## About the Execution of 2020-gold for BridgeAndVehicles-PT-V20P10N50

Execution Summary | |||||

Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |

4327.899 | 3600000.00 | 243822.00 | 167.80 | FFTTFTTF?TFFFTTT | normal |

## Execution Chart

We display below the execution chart for this examination (boot time has been removed).

## Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r037-tajo-162038176900099.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off

Waiting for the VM to be ready (probing ssh)

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=====================================================================

Generated by BenchKit 2-4028

Executing tool gold2020

Input is BridgeAndVehicles-PT-V20P10N50, examination is ReachabilityCardinality

Time confinement is 3600 seconds

Memory confinement is 16384 MBytes

Number of cores is 4

Run identifier is r037-tajo-162038176900099

=====================================================================

--------------------

preparation of the directory to be used:

/home/mcc/execution

total 14M

-rw-r--r-- 1 mcc users 58K May 5 16:58 CTLCardinality.txt

-rw-r--r-- 1 mcc users 292K May 10 09:42 CTLCardinality.xml

-rw-r--r-- 1 mcc users 2.0M May 5 16:58 CTLFireability.txt

-rw-r--r-- 1 mcc users 7.5M May 10 09:42 CTLFireability.xml

-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml

-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml

-rw-r--r-- 1 mcc users 6.8K Mar 28 15:46 LTLCardinality.txt

-rw-r--r-- 1 mcc users 35K Mar 28 15:46 LTLCardinality.xml

-rw-r--r-- 1 mcc users 230K Mar 28 15:46 LTLFireability.txt

-rw-r--r-- 1 mcc users 673K Mar 28 15:46 LTLFireability.xml

-rw-r--r-- 1 mcc users 9.4K Mar 23 02:49 ReachabilityCardinality.txt

-rw-r--r-- 1 mcc users 33K Mar 23 02:49 ReachabilityCardinality.xml

-rw-r--r-- 1 mcc users 147K Mar 22 11:05 ReachabilityFireability.txt

-rw-r--r-- 1 mcc users 418K Mar 22 11:05 ReachabilityFireability.xml

-rw-r--r-- 1 mcc users 3.4K Mar 22 09:10 UpperBounds.txt

-rw-r--r-- 1 mcc users 7.4K Mar 22 09:10 UpperBounds.xml

-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col

-rw-r--r-- 1 mcc users 10 May 5 16:51 instance

-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored

-rw-r--r-- 1 mcc users 2.5M May 5 16:51 model.pnml

--------------------

content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans

BOOL_VECTOR

here is the order used to build the result vector(from text file)

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-00

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-01

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-02

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-03

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-04

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-05

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-06

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-07

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-08

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-09

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-10

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-11

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-12

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-13

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-14

FORMULA_NAME BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-15

=== Now, execution of the tool begins

**BK_START 1620929611493
**

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N

[2021-05-13 18:13:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]

[2021-05-13 18:13:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml

[2021-05-13 18:13:34] [INFO ] Load time of PNML (sax parser for PT used): 313 ms

[2021-05-13 18:13:34] [INFO ] Transformed 108 places.

[2021-05-13 18:13:34] [INFO ] Transformed 2228 transitions.

[2021-05-13 18:13:34] [INFO ] Parsed PT model containing 108 places and 2228 transitions in 428 ms.

Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 87 ms.

Working with output stream class java.io.PrintStream

Incomplete random walk after 10000 steps, including 57 resets, run finished after 195 ms. (steps per millisecond=51 ) properties seen :[0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0]
**FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
**

Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 53 ms. (steps per millisecond=188 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 46 ms. (steps per millisecond=217 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 47 ms. (steps per millisecond=212 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10000 steps, including 19 resets, run finished after 35 ms. (steps per millisecond=285 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 33 ms. (steps per millisecond=303 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 36 ms. (steps per millisecond=277 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 34 ms. (steps per millisecond=294 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

[2021-05-13 18:13:35] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)

// Phase 1: matrix 290 rows 108 cols

[2021-05-13 18:13:35] [INFO ] Computed 7 place invariants in 13 ms

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned unsat

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned unsat

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 9 ms returned unsat

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat

[2021-05-13 18:13:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:13:35] [INFO ] [Real]Absence check using state equation in 109 ms returned sat

[2021-05-13 18:13:35] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:13:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 9 ms returned sat

[2021-05-13 18:13:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.

[2021-05-13 18:13:35] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat

[2021-05-13 18:13:35] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:13:35] [INFO ] [Nat]Added 102 Read/Feed constraints in 23 ms returned sat

[2021-05-13 18:13:36] [INFO ] Computed and/alt/rep : 2225/114389/287 causal constraints in 240 ms.

[2021-05-13 18:13:40] [INFO ] Added : 200 causal constraints over 40 iterations in 4797 ms. Result :(error "Solver has unexpectedly terminated")

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned unsat

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat

[2021-05-13 18:13:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using state equation in 189 ms returned sat

[2021-05-13 18:13:40] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:13:40] [INFO ] [Nat]Absence check using 7 positive place invariants in 10 ms returned unsat

[2021-05-13 18:13:40] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned unsat
**FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-15 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
****FORMULA BridgeAndVehicles-PT-V20P10N50-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
**

Support contains 2 out of 108 places. Attempting structural reductions.

Starting structural reductions, iteration 0 : 108/108 places, 2228/2228 transitions.

Discarding 2 places :

Also discarding 0 output transitions

Graph (complete) has 882 edges and 108 vertex of which 106 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.20 ms

Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1

Deduced a syphon composed of 1 places in 4 ms

Reduce places removed 1 places and 0 transitions.

Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 105 transition count 2227

Applied a total of 3 rules in 524 ms. Remains 105 /108 variables (removed 3) and now considering 2227/2228 (removed 1) transitions.

[2021-05-13 18:13:41] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 105 cols

[2021-05-13 18:13:41] [INFO ] Computed 5 place invariants in 4 ms

[2021-05-13 18:13:42] [INFO ] Dead Transitions using invariants and state equation in 1355 ms returned []

Finished structural reductions, in 1 iterations. Remains : 105/108 places, 2227/2228 transitions.

Incomplete random walk after 1000000 steps, including 6685 resets, run finished after 7434 ms. (steps per millisecond=134 ) properties seen :[0]

Incomplete Best-First random walk after 1000001 steps, including 2881 resets, run finished after 2817 ms. (steps per millisecond=354 ) properties seen :[0]

Interrupted probabilistic random walk after 4827939 steps, run timeout after 30001 ms. (steps per millisecond=160 ) properties seen :[0]

Probabilistic random walk after 4827939 steps, saw 1150098 distinct states, run finished after 30003 ms. (steps per millisecond=160 ) properties seen :[0]

[2021-05-13 18:14:23] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 105 cols

[2021-05-13 18:14:23] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:14:23] [INFO ] [Real]Absence check using 5 positive place invariants in 30 ms returned sat

[2021-05-13 18:14:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:14:23] [INFO ] [Real]Absence check using state equation in 308 ms returned sat

[2021-05-13 18:14:23] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:14:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 10 ms returned sat

[2021-05-13 18:14:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.

[2021-05-13 18:14:23] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat

[2021-05-13 18:14:23] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:14:23] [INFO ] [Nat]Added 102 Read/Feed constraints in 81 ms returned sat

[2021-05-13 18:14:23] [INFO ] Computed and/alt/rep : 2224/114369/286 causal constraints in 92 ms.

[2021-05-13 18:14:39] [INFO ] Added : 245 causal constraints over 49 iterations in 15629 ms. Result :unknown

Incomplete Parikh walk after 1043900 steps, including 7913 resets, run finished after 10011 ms. (steps per millisecond=104 ) properties seen :[0] could not realise parikh vector

Support contains 2 out of 105 places. Attempting structural reductions.

Starting structural reductions, iteration 0 : 105/105 places, 2227/2227 transitions.

Applied a total of 0 rules in 382 ms. Remains 105 /105 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.

Finished structural reductions, in 1 iterations. Remains : 105/105 places, 2227/2227 transitions.

Starting structural reductions, iteration 0 : 105/105 places, 2227/2227 transitions.

Applied a total of 0 rules in 325 ms. Remains 105 /105 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.

[2021-05-13 18:14:50] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 105 cols

[2021-05-13 18:14:50] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:14:50] [INFO ] Implicit Places using invariants in 412 ms returned []

[2021-05-13 18:14:50] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 105 cols

[2021-05-13 18:14:50] [INFO ] Computed 5 place invariants in 1 ms

[2021-05-13 18:14:50] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:14:52] [INFO ] Implicit Places using invariants and state equation in 1795 ms returned [22, 47]

Discarding 2 places :

Implicit Place search using SMT with State Equation took 2223 ms to find 2 implicit places.

[2021-05-13 18:14:52] [INFO ] Redundant transitions in 166 ms returned []

[2021-05-13 18:14:52] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:14:52] [INFO ] Computed 5 place invariants in 4 ms

[2021-05-13 18:14:54] [INFO ] Dead Transitions using invariants and state equation in 2134 ms returned []

Starting structural reductions, iteration 1 : 103/105 places, 2227/2227 transitions.

Applied a total of 0 rules in 215 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.

[2021-05-13 18:14:54] [INFO ] Redundant transitions in 42 ms returned []

[2021-05-13 18:14:55] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:14:55] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:14:56] [INFO ] Dead Transitions using invariants and state equation in 1293 ms returned []

Finished structural reductions, in 2 iterations. Remains : 103/105 places, 2227/2227 transitions.

Incomplete random walk after 1000000 steps, including 6685 resets, run finished after 6336 ms. (steps per millisecond=157 ) properties seen :[0]

Incomplete Best-First random walk after 1000001 steps, including 2876 resets, run finished after 2811 ms. (steps per millisecond=355 ) properties seen :[0]

Interrupted probabilistic random walk after 5301914 steps, run timeout after 30001 ms. (steps per millisecond=176 ) properties seen :[0]

Probabilistic random walk after 5301914 steps, saw 1261466 distinct states, run finished after 30002 ms. (steps per millisecond=176 ) properties seen :[0]

[2021-05-13 18:15:35] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:15:35] [INFO ] Computed 5 place invariants in 4 ms

[2021-05-13 18:15:35] [INFO ] [Real]Absence check using 5 positive place invariants in 13 ms returned sat

[2021-05-13 18:15:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:15:35] [INFO ] [Real]Absence check using state equation in 121 ms returned sat

[2021-05-13 18:15:35] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:15:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 16 ms returned sat

[2021-05-13 18:15:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.

[2021-05-13 18:15:35] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat

[2021-05-13 18:15:35] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:15:35] [INFO ] [Nat]Added 102 Read/Feed constraints in 30 ms returned sat

[2021-05-13 18:15:36] [INFO ] Computed and/alt/rep : 2224/113529/286 causal constraints in 281 ms.

[2021-05-13 18:15:49] [INFO ] Added : 210 causal constraints over 42 iterations in 13529 ms. Result :unknown

Incomplete Parikh walk after 1211700 steps, including 8980 resets, run finished after 11100 ms. (steps per millisecond=109 ) properties seen :[0] could not realise parikh vector

Support contains 2 out of 103 places. Attempting structural reductions.

Starting structural reductions, iteration 0 : 103/103 places, 2227/2227 transitions.

Applied a total of 0 rules in 176 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.

Finished structural reductions, in 1 iterations. Remains : 103/103 places, 2227/2227 transitions.

Starting structural reductions, iteration 0 : 103/103 places, 2227/2227 transitions.

Applied a total of 0 rules in 201 ms. Remains 103 /103 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.

[2021-05-13 18:16:00] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:16:00] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:16:01] [INFO ] Implicit Places using invariants in 668 ms returned []

[2021-05-13 18:16:01] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:16:01] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:16:01] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:16:04] [INFO ] Implicit Places using invariants and state equation in 2627 ms returned []

Implicit Place search using SMT with State Equation took 3297 ms to find 0 implicit places.

[2021-05-13 18:16:04] [INFO ] Redundant transitions in 172 ms returned []

[2021-05-13 18:16:04] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:16:04] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:16:19] [INFO ] Dead Transitions using invariants and state equation in 15346 ms returned []

Finished structural reductions, in 1 iterations. Remains : 103/103 places, 2227/2227 transitions.

Incomplete random walk after 100000 steps, including 668 resets, run finished after 724 ms. (steps per millisecond=138 ) properties seen :[0]

[2021-05-13 18:16:20] [INFO ] Flow matrix only has 289 transitions (discarded 1938 similar events)

// Phase 1: matrix 289 rows 103 cols

[2021-05-13 18:16:20] [INFO ] Computed 5 place invariants in 2 ms

[2021-05-13 18:16:20] [INFO ] [Real]Absence check using 5 positive place invariants in 19 ms returned sat

[2021-05-13 18:16:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:16:20] [INFO ] [Real]Absence check using state equation in 288 ms returned sat

[2021-05-13 18:16:20] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:16:21] [INFO ] [Nat]Absence check using 5 positive place invariants in 57 ms returned sat

[2021-05-13 18:16:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.

[2021-05-13 18:16:21] [INFO ] [Nat]Absence check using state equation in 131 ms returned sat

[2021-05-13 18:16:21] [INFO ] State equation strengthened by 102 read => feed constraints.

[2021-05-13 18:16:21] [INFO ] [Nat]Added 102 Read/Feed constraints in 49 ms returned sat

[2021-05-13 18:16:21] [INFO ] Computed and/alt/rep : 2224/113529/286 causal constraints in 106 ms.

[2021-05-13 18:16:34] [INFO ] Added : 210 causal constraints over 42 iterations in 12824 ms. Result :unknown

Ensure Unique test removed 1938 transitions

Reduce isomorphic transitions removed 1938 transitions.

Iterating post reduction 0 with 1938 rules applied. Total rules applied 1938 place count 103 transition count 289

Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2

Deduced a syphon composed of 2 places in 0 ms

Reduce places removed 2 places and 0 transitions.

Iterating global reduction 1 with 4 rules applied. Total rules applied 1942 place count 101 transition count 287

Free-agglomeration rule (complex) applied 2 times.

Iterating global reduction 1 with 2 rules applied. Total rules applied 1944 place count 101 transition count 285

Reduce places removed 2 places and 0 transitions.

Iterating post reduction 1 with 2 rules applied. Total rules applied 1946 place count 99 transition count 285

Applied a total of 1946 rules in 58 ms. Remains 99 /103 variables (removed 4) and now considering 285/2227 (removed 1942) transitions.

// Phase 1: matrix 285 rows 99 cols

[2021-05-13 18:16:34] [INFO ] Computed 5 place invariants in 4 ms

[2021-05-13 18:16:34] [INFO ] [Real]Absence check using 5 positive place invariants in 17 ms returned sat

[2021-05-13 18:16:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.

[2021-05-13 18:16:34] [INFO ] [Real]Absence check using state equation in 182 ms returned sat

[2021-05-13 18:16:34] [INFO ] Solution in real domain found non-integer solution.

[2021-05-13 18:16:34] [INFO ] [Nat]Absence check using 5 positive place invariants in 15 ms returned sat

[2021-05-13 18:16:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.

[2021-05-13 18:16:34] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat

[2021-05-13 18:16:34] [INFO ] State equation strengthened by 2 read => feed constraints.

[2021-05-13 18:16:34] [INFO ] [Nat]Added 2 Read/Feed constraints in 2 ms returned sat

[2021-05-13 18:16:34] [INFO ] Computed and/alt/rep : 282/11342/282 causal constraints in 22 ms.

[2021-05-13 18:16:48] [INFO ] Added : 228 causal constraints over 46 iterations in 13760 ms. Result :sat

Attempting to minimize the solution found.

Minimization took 260 ms.

[2021-05-13 18:16:48] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 16 ms.

[2021-05-13 18:16:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 73 ms.

[2021-05-13 18:16:49] [INFO ] Flatten gal took : 241 ms

info: Time: 3600 - MCC

vrfy: Checking ReachabilityCardinality @ BridgeAndVehicles-PT-V20P10N50 @ 3570 seconds

vrfy: finished

info: timeLeft: 3567

rslt: Output for ReachabilityCardinality @ BridgeAndVehicles-PT-V20P10N50

{

"build":

{

"architecture": 64,

"assertions": false,

"build_hostname": "mcc2019",

"build_system": "x86_64-unknown-linux-gnu",

"optimizations": true,

"package_version": "2.0",

"svn_version": "3189M"

},

"call":

{

"exec_host": "mcc2020",

"localtimelimit": 0,

"markinglimit": null,

"parameters":

[

"--pnmlnet",

"model.pnml",

"--xmlformula",

"--formula=ReachabilityCardinality.xml",

"--mcc",

"--donotcomputecapacities",

"--encoder=simplecompressed",

"--check=modelchecking",

"--stubborn=tarjan",

"--stateequation=par",

"--timelimit=3570",

"--localtimelimit=0",

"--json=ReachabilityCardinality.json",

"--jsoninclude=formula,formulastat,net"

],

"starttime": "Thu May 13 18:16:49 2021

",

"timelimit": 3570

},

"child": null,

"exit":

{

"error": null,

"localtimelimitreached": true,

"memory": 68968,

"runtime": 3.000000,

"signal": null,

"timelimitreached": false

},

"files":

{

"formula": "ReachabilityCardinality.xml",

"net": "model.pnml"

},

"formula":

{

"count":

{

"A": 1,

"E": 0,

"F": 0,

"G": 1,

"U": 0,

"X": 0,

"aconj": 0,

"adisj": 0,

"aneg": 0,

"comp": 1,

"cont": 0,

"dl": 0,

"fir": 0,

"nodl": 0,

"place_references": 2,

"taut": 0,

"tconj": 0,

"tdisj": 0,

"tneg": 0,

"transition_references": 0,

"unfir": 0,

"visible_places": 2,

"visible_transitions": 0

},

"processed": "A (G ((p86 <= p48)))",

"processed_size": 20,

"rewrites": 2,

"skeleton": "A(G(**))"

},

"net":

{

"arcs": 17104,

"conflict_clusters": 2,

"places": 103,

"places_significant": 98,

"singleton_clusters": 0,

"transitions": 2227

},

"task":

{

"search":

{

"store":

{

"encoder": "simple compression",

"type": "prefix"

},

"stubborn":

{

"type": "reachability preserving/insertion"

},

"threads": 1,

"type": "dfs"

},

"stateequation":

{

"literals": 1,

"problems": 1

},

"type": "invariance",

"workflow": "stateequation||search"

}

}

lola: LoLA will run for 3570 seconds at most (--timelimit)

lola: NET

lola: input: PNML file (--pnml)

lola: reading net from model.pnml

lola: reading pnml

lola: PNML file contains place/transition net

lola: finished parsing

lola: closed net file model.pnml

lola: 2330/268435456 symbol table entries, 0 collisions

lola: preprocessing...

lola: Size of bit vector: 3296

lola: finding significant places

lola: 103 places, 2227 transitions, 98 significant places

lola: compute conflict clusters

lola: computed conflict clusters

lola: Computing conflicting sets

lola: Computing back conflicting sets

lola: TASK

lola: Reading formula in XML format (--xmlformula)

lola: reading pnml

lola: reading formula from ReachabilityCardinality.xml

lola: A (G ((p86 <= p48)))

lola: checking invariance

lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)

lola: rewrite Frontend/Parser/formula_rewrite.k:721

lola: rewrite Frontend/Parser/formula_rewrite.k:787

lola: processed formula: A (G ((p86 <= p48)))

lola: processed formula length: 20

lola: 2 rewrites

lola: closed formula file ReachabilityCardinality.xml

lola: STORE

lola: using a simple compression encoder (--encoder=simplecompressed)

lola: using a prefix tree store (--store=prefix)

lola: SEARCH (state space)

lola: state space: using reachability graph (--search=depth)

lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)

lola: built state equation task

lola: RUNNING

lola: subprocess will run for 0 seconds at most (--localtimelimit)

lola: state equation task get result started, id 0

lola: local time limit reached - aborting

lola: rewrite Frontend/Parser/formula_rewrite.k:721

lola: rewrite Frontend/Parser/formula_rewrite.k:787

lola: state equation task get result rewrite finished id 0

lola: state equation task get result unparse finished++ id 0

lola: formula 0: (p48 + 1 <= p86)

lola: state equation task get result unparse finished id 0

lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas

lola: memory consumption: 68968 KB

lola: time consumption: 3 seconds

lola: print data as JSON (--json)

lola: writing JSON to ReachabilityCardinality.json

lola: closed JSON file ReachabilityCardinality.json

rslt: finished

--------------------

content from stderr:

## Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x

# this is for BenchKit: configuration of major elements for the test

export BK_INPUT="BridgeAndVehicles-PT-V20P10N50"

export BK_EXAMINATION="ReachabilityCardinality"

export BK_TOOL="gold2020"

export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"

export BK_TIME_CONFINEMENT="3600"

export BK_MEMORY_CONFINEMENT="16384"

export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)

if [ -d execution ] ; then

rm -rf execution

fi

# this is for BenchKit: explicit launching of the test

echo "====================================================================="

echo " Generated by BenchKit 2-4028"

echo " Executing tool gold2020"

echo " Input is BridgeAndVehicles-PT-V20P10N50, examination is ReachabilityCardinality"

echo " Time confinement is $BK_TIME_CONFINEMENT seconds"

echo " Memory confinement is 16384 MBytes"

echo " Number of cores is 4"

echo " Run identifier is r037-tajo-162038176900099"

echo "====================================================================="

echo

echo "--------------------"

echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N50.tgz

mv BridgeAndVehicles-PT-V20P10N50 execution

cd execution

if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then

rm -f GenericPropertiesVerdict.xml

fi

pwd

ls -lh

echo

echo "--------------------"

echo "content from stdout:"

echo

echo "=== Data for post analysis generated by BenchKit (invocation template)"

echo

if [ "ReachabilityCardinality" = "UpperBounds" ] ; then

echo "The expected result is a vector of positive values"

echo NUM_VECTOR

elif [ "ReachabilityCardinality" != "StateSpace" ] ; then

echo "The expected result is a vector of booleans"

echo BOOL_VECTOR

else

echo "no data necessary for post analysis"

fi

echo

if [ -f "ReachabilityCardinality.txt" ] ; then

echo "here is the order used to build the result vector(from text file)"

for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do

echo "FORMULA_NAME $x"

done

elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)

echo echo "here is the order used to build the result vector(from xml file)"

for x in $(grep '

echo "FORMULA_NAME $x"

done

elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then

echo "FORMULA_NAME ReachabilityCardinality"

fi

echo

echo "=== Now, execution of the tool begins"

echo

echo -n "BK_START "

date -u +%s%3N

echo

timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"

if [ $? -eq 137 ] ; then

echo

echo "BK_TIME_CONFINEMENT_REACHED"

fi

echo

echo "--------------------"

echo "content from stderr:"

echo

cat STDERR ;