Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r162-smll-177961107800223.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-2000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800223
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.7M
-rw-r--r-- 1 mcc users 7.8K Mar 7 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Mar 7 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 16:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 16:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 6.2M Mar 3 18:30 model.pnml

--------------------
content from stdout:

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-00
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-01
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-02
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-03
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-04
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-05
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-06
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-07
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-08
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-09
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-10
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-11
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-12
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-13
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-14
FORMULA_NAME JoinFreeModules-PT-2000-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779782157985

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-2000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-26 07:55:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 07:55:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 07:56:01] [INFO ] Load time of PNML (sax parser for PT used): 1060 ms
[2026-05-26 07:56:01] [INFO ] Transformed 10001 places.
[2026-05-26 07:56:01] [INFO ] Transformed 16001 transitions.
[2026-05-26 07:56:01] [INFO ] Parsed PT model containing 10001 places and 16001 transitions and 46002 arcs in 1388 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 42 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 1 places and 0 transitions.
[2026-05-26 07:56:04] [INFO ] Flatten gal took : 1574 ms
RANDOM walk for 42040 steps (8 resets) in 10032 ms. (4 steps per ms) remains 16/16 properties
[2026-05-26 07:56:04] [INFO ] Flatten gal took : 619 ms
BEST_FIRST walk for 4004 steps (0 resets) in 1211 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1253 ms. (3 steps per ms) remains 16/16 properties
[2026-05-26 07:56:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5613899130961220372.gal : 581 ms
[2026-05-26 07:56:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13885660426432620171.prop : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5613899130961220372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13885660426432620171.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 4004 steps (0 resets) in 1332 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1038 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 950 ms. (4 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 688 ms. (5 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 747 ms. (5 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 907 ms. (4 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1010 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 942 ms. (4 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 646 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 628 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 648 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 629 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 555 ms. (7 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 726 ms. (5 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality13885660426432620171.prop.
Probabilistic random walk after 82075 steps, saw 82043 distinct states, run finished after 18008 ms. (steps per millisecond=4 ) properties seen :1
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5911729618294436188.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16352434061743343378.kers'
[2026-05-26 07:56:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5911729618294436188.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16352434061743343378.kers]
Normalized transition count is 16000 out of 16001 initially.
Culled 0 columns in 14 ms.
// Phase 1: matrix 16000 rows 10000 cols 40000 entries
Finished phase 1 with 8000 SingleSign rule and 0 generalized
[2026-05-26 07:56:26] [INFO ] Computed 2000 invariants in 72 ms
Computed 2000 P flows in 74 ms.
Exported basis to /tmp/petrispot-output-16352434061743343378.kers
Total runtime 97 ms.
[2026-05-26 07:56:27] [INFO ] State equation strengthened by 2000 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 780/985 variables, 197/197 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/985 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 1576/2561 variables, 985/1182 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2561 variables, 197/1379 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2561 variables, 0/1379 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2561/26001 variables, and 1379 constraints, problems are : Problem set: 0 solved, 15 unsolved in 5072 ms.
Refiners :[Positive P Invariants (semi-flows): 197/2000 constraints, State Equation: 985/10000 constraints, ReadFeed: 197/2000 constraints, PredecessorRefiner: 15/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 780/985 variables, 197/197 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SMT process timed out in 11137ms, After SMT, problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 205 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 16001/16001 transitions.
Graph (complete) has 24000 edges and 10000 vertex of which 985 are kept as prefixes of interest. Removing 9015 places using SCC suffix rule.57 ms
Discarding 9015 places :
Also discarding 14424 output transitions
Drop transitions (Output transitions of discarded places.) removed 14424 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 985 transition count 1576
Applied a total of 2 rules in 421 ms. Remains 985 /10000 variables (removed 9015) and now considering 1576/16001 (removed 14425) transitions.
Running 1182 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15528203315584690554.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13556230358010781669.kers'
[2026-05-26 07:56:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15528203315584690554.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13556230358010781669.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1576 rows 985 cols 3940 entries
Finished phase 1 with 788 SingleSign rule and 0 generalized
[2026-05-26 07:56:38] [INFO ] Computed 197 invariants in 12 ms
Computed 197 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-13556230358010781669.kers
Total runtime 17 ms.
[2026-05-26 07:56:38] [INFO ] State equation strengthened by 197 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 788/2561 variables, and 0 constraints, problems are : Problem set: 0 solved, 1182 unsolved in 20082 ms.
Refiners :[Positive P Invariants (semi-flows): 0/197 constraints, State Equation: 0/985 constraints, ReadFeed: 0/197 constraints, PredecessorRefiner: 1182/1182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1182 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 788/2561 variables, and 0 constraints, problems are : Problem set: 0 solved, 1182 unsolved in 20036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/197 constraints, State Equation: 0/985 constraints, ReadFeed: 0/197 constraints, PredecessorRefiner: 0/1182 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40692ms problems are : Problem set: 0 solved, 1182 unsolved
Search for dead transitions found 0 dead transitions in 40707ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41203 ms. Remains : 985/10000 places, 1576/16001 transitions.
RANDOM walk for 40033 steps (8 resets) in 678 ms. (58 steps per ms) remains 14/15 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 781 ms. (51 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 676 ms. (59 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 911 ms. (43 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1048 ms. (38 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 620 ms. (64 steps per ms) remains 13/14 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 614 ms. (65 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 632 ms. (63 steps per ms) remains 12/13 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 881 ms. (45 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 664 ms. (60 steps per ms) remains 11/12 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 745 ms. (53 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 591 ms. (67 steps per ms) remains 10/11 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 605 ms. (66 steps per ms) remains 9/10 properties
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 606 ms. (65 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 842 ms. (47 steps per ms) remains 9/9 properties
[2026-05-26 07:57:22] [INFO ] Invariant cache hit.
[2026-05-26 07:57:22] [INFO ] State equation strengthened by 197 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 674/850 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/850 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1360/2210 variables, 850/1020 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2210 variables, 170/1190 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2210 variables, 0/1190 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/2210 variables, 0/1190 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2210/2561 variables, and 1190 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2220 ms.
Refiners :[Positive P Invariants (semi-flows): 170/197 constraints, State Equation: 850/985 constraints, ReadFeed: 170/197 constraints, PredecessorRefiner: 9/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 674/850 variables, 170/170 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/850 variables, 20/190 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/850 variables, 20/210 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/850 variables, 20/230 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/850 variables, 20/250 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/850 variables, 20/270 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/850 variables, 16/286 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/850 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 1360/2210 variables, 850/1136 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2210 variables, 170/1306 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2210 variables, 5/1311 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2210 variables, 0/1311 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 0/2210 variables, 0/1311 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2210/2561 variables, and 1311 constraints, problems are : Problem set: 0 solved, 9 unsolved in 22865 ms.
Refiners :[Positive P Invariants (semi-flows): 170/197 constraints, State Equation: 850/985 constraints, ReadFeed: 170/197 constraints, PredecessorRefiner: 9/5 constraints, Known Traps: 116/116 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25126ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 6 different solutions.
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-13 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 8 properties in 30007 ms.
Support contains 38 out of 985 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 985/985 places, 1576/1576 transitions.
Graph (complete) has 2364 edges and 985 vertex of which 190 are kept as prefixes of interest. Removing 795 places using SCC suffix rule.1 ms
Discarding 795 places :
Also discarding 1272 output transitions
Drop transitions (Output transitions of discarded places.) removed 1272 transitions
Applied a total of 1 rules in 37 ms. Remains 190 /985 variables (removed 795) and now considering 304/1576 (removed 1272) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 190/985 places, 304/1576 transitions.
RANDOM walk for 41036 steps (8 resets) in 132 ms. (308 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 807 ms. (49 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 580507 steps, run timeout after 3001 ms. (steps per millisecond=193 ) properties seen :0 out of 1
Probabilistic random walk after 580507 steps, saw 568267 distinct states, run finished after 3010 ms. (steps per millisecond=192 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11703028896214048249.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16547901104207236302.kers'
[2026-05-26 07:58:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11703028896214048249.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16547901104207236302.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 304 rows 190 cols 760 entries
Finished phase 1 with 152 SingleSign rule and 0 generalized
[2026-05-26 07:58:20] [INFO ] Computed 38 invariants in 5 ms
Computed 38 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-16547901104207236302.kers
Total runtime 10 ms.
[2026-05-26 07:58:20] [INFO ] State equation strengthened by 38 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/190 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 304/494 variables, 190/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/494 variables, 38/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/494 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/494 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 266 constraints, problems are : Problem set: 0 solved, 1 unsolved in 498 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, State Equation: 190/190 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 152/190 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/190 variables, 20/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 304/494 variables, 190/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/494 variables, 38/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/494 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/494 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 494/494 variables, and 286 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1438 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, State Equation: 190/190 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2026ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 48766 steps, including 0 resets, run visited all 1 properties in 371 ms. (steps per millisecond=131 )
FORMULA JoinFreeModules-PT-2000-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 380 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 143438 ms.

BK_STOP 1779782303437

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="JoinFreeModules-PT-2000"
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 2-5973"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-2000, 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 r162-smll-177961107800223"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-2000.tgz
mv JoinFreeModules-PT-2000 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.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 ;