Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r096-smll-165260575600031.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is FlexibleBarrier-PT-06b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-165260575600031
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 6.8K Apr 29 13:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 29 13:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Apr 29 13:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Apr 29 13:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 9 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 29 13:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K Apr 29 13:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 29 13:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 29 13:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 9 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 07:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 141K May 10 09:33 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 FlexibleBarrier-PT-06b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-06b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1654180537745

Running Version 202205111006
[2022-06-02 14:35:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-06-02 14:35:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-02 14:35:40] [INFO ] Load time of PNML (sax parser for PT used): 179 ms
[2022-06-02 14:35:40] [INFO ] Transformed 542 places.
[2022-06-02 14:35:40] [INFO ] Transformed 621 transitions.
[2022-06-02 14:35:40] [INFO ] Found NUPN structural information;
[2022-06-02 14:35:40] [INFO ] Parsed PT model containing 542 places and 621 transitions in 419 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 191 resets, run finished after 1170 ms. (steps per millisecond=8 ) properties (out of 16) seen :2
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 108 ms. (steps per millisecond=92 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10000 steps, including 28 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 14) seen :1
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 13) seen :1
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 12) seen :1
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 91 ms. (steps per millisecond=109 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 200 ms. (steps per millisecond=50 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
// Phase 1: matrix 621 rows 542 cols
[2022-06-02 14:35:43] [INFO ] Computed 8 place invariants in 60 ms
[2022-06-02 14:35:44] [INFO ] After 917ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2022-06-02 14:35:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 15 ms returned sat
[2022-06-02 14:35:46] [INFO ] After 724ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :9
[2022-06-02 14:35:46] [INFO ] Deduced a trap composed of 97 places in 258 ms of which 14 ms to minimize.
[2022-06-02 14:35:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 350 ms
[2022-06-02 14:35:46] [INFO ] Deduced a trap composed of 173 places in 248 ms of which 2 ms to minimize.
[2022-06-02 14:35:47] [INFO ] Deduced a trap composed of 168 places in 209 ms of which 2 ms to minimize.
[2022-06-02 14:35:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 596 ms
[2022-06-02 14:35:47] [INFO ] Deduced a trap composed of 189 places in 322 ms of which 2 ms to minimize.
[2022-06-02 14:35:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 462 ms
[2022-06-02 14:35:48] [INFO ] After 2799ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :9
Attempting to minimize the solution found.
Minimization took 467 ms.
[2022-06-02 14:35:48] [INFO ] After 3972ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :9
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 11 Parikh solutions to 9 different solutions.
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 7 properties in 2642 ms.
Support contains 18 out of 542 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 542/542 places, 621/621 transitions.
Graph (trivial) has 429 edges and 542 vertex of which 20 / 542 are part of one of the 3 SCC in 8 ms
Free SCC test removed 17 places
Drop transitions removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions removed 111 transitions
Trivial Post-agglo rules discarded 111 transitions
Performed 111 trivial Post agglomeration. Transition count delta: 111
Iterating post reduction 0 with 111 rules applied. Total rules applied 112 place count 525 transition count 489
Reduce places removed 111 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 1 with 118 rules applied. Total rules applied 230 place count 414 transition count 482
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 237 place count 407 transition count 482
Performed 55 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 55 Pre rules applied. Total rules applied 237 place count 407 transition count 427
Deduced a syphon composed of 55 places in 4 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 3 with 110 rules applied. Total rules applied 347 place count 352 transition count 427
Discarding 156 places :
Symmetric choice reduction at 3 with 156 rule applications. Total rules 503 place count 196 transition count 271
Iterating global reduction 3 with 156 rules applied. Total rules applied 659 place count 196 transition count 271
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 659 place count 196 transition count 265
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 671 place count 190 transition count 265
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 691 place count 170 transition count 245
Iterating global reduction 3 with 20 rules applied. Total rules applied 711 place count 170 transition count 245
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 3 with 17 rules applied. Total rules applied 728 place count 170 transition count 228
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 4 with 74 rules applied. Total rules applied 802 place count 133 transition count 191
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 810 place count 129 transition count 218
Free-agglomeration rule applied 32 times.
Iterating global reduction 4 with 32 rules applied. Total rules applied 842 place count 129 transition count 186
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 4 with 32 rules applied. Total rules applied 874 place count 97 transition count 186
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 875 place count 96 transition count 185
Iterating global reduction 5 with 1 rules applied. Total rules applied 876 place count 96 transition count 185
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 877 place count 96 transition count 184
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 6 with 7 rules applied. Total rules applied 884 place count 96 transition count 177
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 885 place count 96 transition count 177
Applied a total of 885 rules in 273 ms. Remains 96 /542 variables (removed 446) and now considering 177/621 (removed 444) transitions.
Finished structural reductions, in 1 iterations. Remains : 96/542 places, 177/621 transitions.
Incomplete random walk after 1000000 steps, including 23085 resets, run finished after 3963 ms. (steps per millisecond=252 ) properties (out of 2) seen :1
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 4731 resets, run finished after 1134 ms. (steps per millisecond=881 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-06-02 14:35:56] [INFO ] Flow matrix only has 170 transitions (discarded 7 similar events)
// Phase 1: matrix 170 rows 96 cols
[2022-06-02 14:35:56] [INFO ] Computed 8 place invariants in 4 ms
[2022-06-02 14:35:56] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-02 14:35:56] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2022-06-02 14:35:56] [INFO ] After 85ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-02 14:35:56] [INFO ] State equation strengthened by 31 read => feed constraints.
[2022-06-02 14:35:56] [INFO ] After 29ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-02 14:35:56] [INFO ] After 58ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 26 ms.
[2022-06-02 14:35:56] [INFO ] After 213ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 17 out of 96 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 96/96 places, 177/177 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 95 transition count 176
Applied a total of 2 rules in 11 ms. Remains 95 /96 variables (removed 1) and now considering 176/177 (removed 1) transitions.
Finished structural reductions, in 1 iterations. Remains : 95/96 places, 176/177 transitions.
Incomplete random walk after 1000000 steps, including 22974 resets, run finished after 2434 ms. (steps per millisecond=410 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 4802 resets, run finished after 1220 ms. (steps per millisecond=819 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 4764561 steps, run timeout after 9001 ms. (steps per millisecond=529 ) properties seen :{}
Probabilistic random walk after 4764561 steps, saw 1678044 distinct states, run finished after 9017 ms. (steps per millisecond=528 ) properties seen :0
Running SMT prover for 1 properties.
[2022-06-02 14:36:09] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:09] [INFO ] Computed 8 place invariants in 3 ms
[2022-06-02 14:36:09] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-02 14:36:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2022-06-02 14:36:09] [INFO ] After 122ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:09] [INFO ] State equation strengthened by 31 read => feed constraints.
[2022-06-02 14:36:09] [INFO ] After 43ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:09] [INFO ] After 86ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 36 ms.
[2022-06-02 14:36:10] [INFO ] After 317ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 17 out of 95 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 95/95 places, 176/176 transitions.
Applied a total of 0 rules in 8 ms. Remains 95 /95 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 95/95 places, 176/176 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 95/95 places, 176/176 transitions.
Applied a total of 0 rules in 5 ms. Remains 95 /95 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2022-06-02 14:36:10] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:10] [INFO ] Computed 8 place invariants in 2 ms
[2022-06-02 14:36:10] [INFO ] Implicit Places using invariants in 145 ms returned []
[2022-06-02 14:36:10] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:10] [INFO ] Computed 8 place invariants in 4 ms
[2022-06-02 14:36:10] [INFO ] State equation strengthened by 31 read => feed constraints.
[2022-06-02 14:36:10] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 419 ms to find 0 implicit places.
[2022-06-02 14:36:10] [INFO ] Redundant transitions in 11 ms returned []
[2022-06-02 14:36:10] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:10] [INFO ] Computed 8 place invariants in 1 ms
[2022-06-02 14:36:10] [INFO ] Dead Transitions using invariants and state equation in 213 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 95/95 places, 176/176 transitions.
Incomplete random walk after 1000000 steps, including 22971 resets, run finished after 2578 ms. (steps per millisecond=387 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 4717 resets, run finished after 1205 ms. (steps per millisecond=829 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 5419196 steps, run timeout after 9001 ms. (steps per millisecond=602 ) properties seen :{}
Probabilistic random walk after 5419196 steps, saw 1877144 distinct states, run finished after 9001 ms. (steps per millisecond=602 ) properties seen :0
Running SMT prover for 1 properties.
[2022-06-02 14:36:23] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:23] [INFO ] Computed 8 place invariants in 1 ms
[2022-06-02 14:36:23] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-02 14:36:23] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2022-06-02 14:36:23] [INFO ] After 113ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:23] [INFO ] State equation strengthened by 31 read => feed constraints.
[2022-06-02 14:36:23] [INFO ] After 47ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:23] [INFO ] After 95ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 37 ms.
[2022-06-02 14:36:23] [INFO ] After 296ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 17 out of 95 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 95/95 places, 176/176 transitions.
Applied a total of 0 rules in 14 ms. Remains 95 /95 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 95/95 places, 176/176 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 95/95 places, 176/176 transitions.
Applied a total of 0 rules in 10 ms. Remains 95 /95 variables (removed 0) and now considering 176/176 (removed 0) transitions.
[2022-06-02 14:36:23] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:23] [INFO ] Computed 8 place invariants in 2 ms
[2022-06-02 14:36:24] [INFO ] Implicit Places using invariants in 160 ms returned []
[2022-06-02 14:36:24] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:24] [INFO ] Computed 8 place invariants in 2 ms
[2022-06-02 14:36:24] [INFO ] State equation strengthened by 31 read => feed constraints.
[2022-06-02 14:36:24] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 409 ms to find 0 implicit places.
[2022-06-02 14:36:24] [INFO ] Redundant transitions in 7 ms returned []
[2022-06-02 14:36:24] [INFO ] Flow matrix only has 169 transitions (discarded 7 similar events)
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:24] [INFO ] Computed 8 place invariants in 2 ms
[2022-06-02 14:36:24] [INFO ] Dead Transitions using invariants and state equation in 214 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 95/95 places, 176/176 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 95 transition count 166
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 15 place count 92 transition count 164
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 24 place count 83 transition count 151
Iterating global reduction 2 with 9 rules applied. Total rules applied 33 place count 83 transition count 151
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 83 transition count 147
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 38 place count 83 transition count 146
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 40 place count 83 transition count 146
Applied a total of 40 rules in 36 ms. Remains 83 /95 variables (removed 12) and now considering 146/176 (removed 30) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 146 rows 83 cols
[2022-06-02 14:36:24] [INFO ] Computed 8 place invariants in 1 ms
[2022-06-02 14:36:24] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-02 14:36:24] [INFO ] [Nat]Absence check using 8 positive place invariants in 18 ms returned sat
[2022-06-02 14:36:24] [INFO ] After 111ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:24] [INFO ] After 153ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 33 ms.
[2022-06-02 14:36:24] [INFO ] After 245ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2022-06-02 14:36:25] [INFO ] Flatten gal took : 97 ms
[2022-06-02 14:36:25] [INFO ] Flatten gal took : 35 ms
[2022-06-02 14:36:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8163599978717765250.gal : 18 ms
[2022-06-02 14:36:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2132194596609411354.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8163599978717765250.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2132194596609411354.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...319
Loading property file /tmp/ReachabilityCardinality2132194596609411354.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 18
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :18 after 24
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :24 after 31
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :31 after 75
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :75 after 1612
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1612 after 1823
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1823 after 5201
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5201 after 221308
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :221308 after 2.38227e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.38227e+06 after 8.6412e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.20059e+07,0.87384,20272,2,4991,15,80974,7,0,502,53122,0
Total reachable state count : 22005901

Verifying 1 reachability properties.
Invariant property FlexibleBarrier-PT-06b-ReachabilityFireability-06 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FlexibleBarrier-PT-06b-ReachabilityFireability-06,4800,0.882917,20272,2,521,15,80974,7,0,533,53122,0
[2022-06-02 14:36:26] [INFO ] Flatten gal took : 21 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin9469715235677787729
[2022-06-02 14:36:26] [INFO ] Computing symmetric may disable matrix : 176 transitions.
[2022-06-02 14:36:26] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 14:36:26] [INFO ] Computing symmetric may enable matrix : 176 transitions.
[2022-06-02 14:36:26] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 14:36:26] [INFO ] Computing Do-Not-Accords matrix : 176 transitions.
[2022-06-02 14:36:26] [INFO ] Applying decomposition
[2022-06-02 14:36:26] [INFO ] Computation of Completed DNA matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-06-02 14:36:26] [INFO ] Built C files in 71ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9469715235677787729
Running compilation step : cd /tmp/ltsmin9469715235677787729;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2022-06-02 14:36:26] [INFO ] Flatten gal took : 88 ms
[2022-06-02 14:36:26] [INFO ] Flatten gal took : 68 ms
[2022-06-02 14:36:26] [INFO ] Input system was already deterministic with 176 transitions.
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph3535293854577700942.txt' '-o' '/tmp/graph3535293854577700942.bin' '-w' '/tmp/graph3535293854577700942.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph3535293854577700942.bin' '-l' '-1' '-v' '-w' '/tmp/graph3535293854577700942.weights' '-q' '0' '-e' '0.001'
[2022-06-02 14:36:26] [INFO ] Decomposing Gal with order
[2022-06-02 14:36:26] [INFO ] Ran tautology test, simplified 0 / 1 in 366 ms.
[2022-06-02 14:36:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-02 14:36:26] [INFO ] BMC solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(UNSAT) depth K=0 took 9 ms
[2022-06-02 14:36:26] [INFO ] BMC solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(UNSAT) depth K=1 took 7 ms
[2022-06-02 14:36:27] [INFO ] Removed a total of 155 redundant transitions.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
Normalized transition count is 169 out of 176 initially.
// Phase 1: matrix 169 rows 95 cols
[2022-06-02 14:36:27] [INFO ] Computed 8 place invariants in 1 ms
[2022-06-02 14:36:27] [INFO ] Computed 8 place invariants in 2 ms
[2022-06-02 14:36:27] [INFO ] Flatten gal took : 219 ms
[2022-06-02 14:36:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 61 labels/synchronizations in 20 ms.
[2022-06-02 14:36:27] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability12629129987819486763.gal : 5 ms
[2022-06-02 14:36:27] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16880080546609954662.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability12629129987819486763.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability16880080546609954662.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...300
[2022-06-02 14:36:27] [INFO ] BMC solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(UNSAT) depth K=2 took 375 ms
Loading property file /tmp/ReachabilityFireability16880080546609954662.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1 after 41
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :41 after 421
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :421 after 5341
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5341 after 20581
[2022-06-02 14:36:27] [INFO ] Proved 95 variables to be positive in 391 ms
[2022-06-02 14:36:27] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesFlexibleBarrier-PT-06b-ReachabilityFireability-06
[2022-06-02 14:36:27] [INFO ] KInduction solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(SAT) depth K=0 took 19 ms
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :20581 after 2.43909e+06
[2022-06-02 14:36:27] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesFlexibleBarrier-PT-06b-ReachabilityFireability-06
[2022-06-02 14:36:27] [INFO ] KInduction solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(SAT) depth K=1 took 49 ms
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.43909e+06 after 2.95701e+06
Compilation finished in 1375 ms.
Running link step : cd /tmp/ltsmin9469715235677787729;'gcc' '-shared' '-o' 'gal.so' 'model.o'
[2022-06-02 14:36:28] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesFlexibleBarrier-PT-06b-ReachabilityFireability-06
[2022-06-02 14:36:28] [INFO ] KInduction solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(SAT) depth K=2 took 541 ms
[2022-06-02 14:36:28] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesFlexibleBarrier-PT-06b-ReachabilityFireability-06
[2022-06-02 14:36:28] [INFO ] KInduction solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(SAT) depth K=3 took 214 ms
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.95701e+06 after 1.39361e+07
Link finished in 943 ms.
Running LTSmin : cd /tmp/ltsmin9469715235677787729;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'FlexibleBarrierPT06bReachabilityFireability06==true'
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.39361e+07 after 1.9249e+07
[2022-06-02 14:36:30] [INFO ] BMC solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(UNSAT) depth K=3 took 3380 ms
Invariant property FlexibleBarrier-PT-06b-ReachabilityFireability-06 does not hold.
FORMULA FlexibleBarrier-PT-06b-ReachabilityFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 fixpoint passes
[2022-06-02 14:36:54] [INFO ] BMC solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(UNSAT) depth K=4 took 23672 ms
[2022-06-02 14:36:57] [INFO ] Induction result is SAT, non conclusive we might be starting from unreachable statesFlexibleBarrier-PT-06b-ReachabilityFireability-06
[2022-06-02 14:36:57] [INFO ] KInduction solution for property FlexibleBarrier-PT-06b-ReachabilityFireability-06(SAT) depth K=4 took 28905 ms
[2022-06-02 14:36:57] [INFO ] SMT solved 0/ 1 properties. Interrupting SMT analysis.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.33931e+07,12.6906,244828,918,2017,96320,248054,359,673603,287,3.35441e+06,0
Total reachable state count : 43393105

Verifying 1 reachability properties.
Invariant property FlexibleBarrier-PT-06b-ReachabilityFireability-06 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FlexibleBarrier-PT-06b-ReachabilityFireability-06,2848,12.9871,244828,123,180,96320,248054,450,673603,316,3.35441e+06,0
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 78446 ms.

BK_STOP 1654180618891

--------------------
content from stderr:

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination ReachabilityFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="FlexibleBarrier-PT-06b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
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 itstools"
echo " Input is FlexibleBarrier-PT-06b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r096-smll-165260575600031"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-06b.tgz
mv FlexibleBarrier-PT-06b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;