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-177961107700215.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-1000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700215
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 5.3K Mar 7 15:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Mar 7 15:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 15:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 15:46 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 3.9K Mar 15 11:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 15:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 15:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 15:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 7 15:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:05 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 3.1M 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-1000-ReachabilityFireability-2024-00
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-01
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-02
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-03
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-04
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-05
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-06
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-07
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-08
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-09
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-10
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-11
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-12
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-13
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-14
FORMULA_NAME JoinFreeModules-PT-1000-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779770810359

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-1000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-26 04:46:52] [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 04:46:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 04:46:53] [INFO ] Load time of PNML (sax parser for PT used): 829 ms
[2026-05-26 04:46:53] [INFO ] Transformed 5001 places.
[2026-05-26 04:46:53] [INFO ] Transformed 8001 transitions.
[2026-05-26 04:46:53] [INFO ] Parsed PT model containing 5001 places and 8001 transitions and 23002 arcs in 1125 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 1 places and 0 transitions.
RANDOM walk for 40232 steps (8 resets) in 5293 ms. (7 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 868 ms. (4 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 753 ms. (5 steps per ms) remains 16/16 properties
[2026-05-26 04:46:55] [INFO ] Flatten gal took : 1087 ms
BEST_FIRST walk for 4004 steps (0 resets) in 612 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 705 ms. (5 steps per ms) remains 16/16 properties
[2026-05-26 04:46:56] [INFO ] Flatten gal took : 557 ms
BEST_FIRST walk for 4004 steps (0 resets) in 746 ms. (5 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 700 ms. (5 steps per ms) remains 16/16 properties
[2026-05-26 04:46:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality111861566081224702.gal : 317 ms
BEST_FIRST walk for 4004 steps (0 resets) in 539 ms. (7 steps per ms) remains 16/16 properties
[2026-05-26 04:46:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12636004035788351344.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/ReachabilityCardinality111861566081224702.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12636004035788351344.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4004 steps (0 resets) in 582 ms. (6 steps per ms) remains 16/16 properties
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 ...328
BEST_FIRST walk for 4004 steps (0 resets) in 353 ms. (11 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 459 ms. (8 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 375 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 529 ms. (7 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 404 ms. (9 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 390 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 396 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 428 ms. (9 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality12636004035788351344.prop.
Probabilistic random walk after 97193 steps, saw 97119 distinct states, run finished after 12037 ms. (steps per millisecond=8 ) 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-12013719673486732707.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-523964293510854720.kers'
[2026-05-26 04:47:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12013719673486732707.kers, --Pflows, --basisKERS=/tmp/petrispot-output-523964293510854720.kers]
Normalized transition count is 8000 out of 8001 initially.
Culled 0 columns in 6 ms.
// Phase 1: matrix 8000 rows 5000 cols 20000 entries
Finished phase 1 with 4000 SingleSign rule and 0 generalized
[2026-05-26 04:47:10] [INFO ] Computed 1000 invariants in 34 ms
Computed 1000 P flows in 36 ms.
Exported basis to /tmp/petrispot-output-523964293510854720.kers
Total runtime 45 ms.
[2026-05-26 04:47:10] [INFO ] State equation strengthened by 1000 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 964/1235 variables, 247/248 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1235 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 1976/3211 variables, 1235/1483 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3211 variables, 247/1730 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3211 variables, 0/1730 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3211/13001 variables, and 1730 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5051 ms.
Refiners :[Positive P Invariants (semi-flows): 247/1000 constraints, State Equation: 1235/5000 constraints, ReadFeed: 247/1000 constraints, PredecessorRefiner: 16/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/271 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/271 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 964/1235 variables, 247/248 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SMT process timed out in 10868ms, After SMT, problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 271 out of 5000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5000/5000 places, 8001/8001 transitions.
Graph (complete) has 12000 edges and 5000 vertex of which 1235 are kept as prefixes of interest. Removing 3765 places using SCC suffix rule.20 ms
Discarding 3765 places :
Also discarding 6024 output transitions
Drop transitions (Output transitions of discarded places.) removed 6024 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 1235 transition count 1976
Applied a total of 2 rules in 285 ms. Remains 1235 /5000 variables (removed 3765) and now considering 1976/8001 (removed 6025) transitions.
Running 1482 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-17438616603678113781.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9731115405416942155.kers'
[2026-05-26 04:47:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17438616603678113781.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9731115405416942155.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 1976 rows 1235 cols 4940 entries
Finished phase 1 with 988 SingleSign rule and 0 generalized
[2026-05-26 04:47:21] [INFO ] Computed 247 invariants in 16 ms
Computed 247 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-9731115405416942155.kers
Total runtime 22 ms.
[2026-05-26 04:47:21] [INFO ] State equation strengthened by 247 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 988/3211 variables, and 0 constraints, problems are : Problem set: 0 solved, 1482 unsolved in 20144 ms.
Refiners :[Positive P Invariants (semi-flows): 0/247 constraints, State Equation: 0/1235 constraints, ReadFeed: 0/247 constraints, PredecessorRefiner: 1482/1482 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1482 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :3104 after 11747
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 988/3211 variables, and 0 constraints, problems are : Problem set: 0 solved, 1482 unsolved in 20078 ms.
Refiners :[Positive P Invariants (semi-flows): 0/247 constraints, State Equation: 0/1235 constraints, ReadFeed: 0/247 constraints, PredecessorRefiner: 0/1482 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40899ms problems are : Problem set: 0 solved, 1482 unsolved
Search for dead transitions found 0 dead transitions in 40913ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41254 ms. Remains : 1235/5000 places, 1976/8001 transitions.
RANDOM walk for 41268 steps (8 resets) in 908 ms. (45 steps per ms) remains 15/16 properties
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 112 ms. (35 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 100 ms. (39 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 83 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 91 ms. (43 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 119 ms. (33 steps per ms) remains 15/15 properties
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :11747 after 45500
Interrupted probabilistic random walk after 44825 steps, run timeout after 3005 ms. (steps per millisecond=14 ) properties seen :0 out of 15
Probabilistic random walk after 44825 steps, saw 44691 distinct states, run finished after 3011 ms. (steps per millisecond=14 ) properties seen :0
[2026-05-26 04:48:06] [INFO ] Invariant cache hit.
[2026-05-26 04:48:06] [INFO ] State equation strengthened by 247 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/269 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 956/1225 variables, 245/246 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1225 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 1960/3185 variables, 1225/1471 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3185 variables, 245/1716 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3185 variables, 0/1716 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 0/3185 variables, 0/1716 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3185/3211 variables, and 1716 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3762 ms.
Refiners :[Positive P Invariants (semi-flows): 245/247 constraints, State Equation: 1225/1235 constraints, ReadFeed: 245/247 constraints, PredecessorRefiner: 15/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/269 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 956/1225 variables, 245/246 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1225 variables, 20/266 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1225 variables, 20/286 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1225 variables, 20/306 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1225 variables, 20/326 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1225 variables, 20/346 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1225 variables, 20/366 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1225 variables, 20/386 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1225 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1225 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 1960/3185 variables, 1225/1612 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3185 variables, 245/1857 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3185 variables, 9/1866 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3185 variables, 4/1870 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3185 variables, 0/1870 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3185/3211 variables, and 1870 constraints, problems are : Problem set: 0 solved, 15 unsolved in 45009 ms.
Refiners :[Positive P Invariants (semi-flows): 245/247 constraints, State Equation: 1225/1235 constraints, ReadFeed: 245/247 constraints, PredecessorRefiner: 15/9 constraints, Known Traps: 146/146 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48814ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 269 out of 1235 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1235/1235 places, 1976/1976 transitions.
Graph (complete) has 2964 edges and 1235 vertex of which 1225 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.5 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 91 ms. Remains 1225 /1235 variables (removed 10) and now considering 1960/1976 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 1225/1235 places, 1960/1976 transitions.
RANDOM walk for 40560 steps (8 resets) in 1363 ms. (29 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 151 ms. (26 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 141 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 96 ms. (41 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 121 ms. (32 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 129 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 208 ms. (19 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 104 ms. (38 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 139 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 48420 steps, run timeout after 3016 ms. (steps per millisecond=16 ) properties seen :0 out of 15
Probabilistic random walk after 48420 steps, saw 48275 distinct states, run finished after 3016 ms. (steps per millisecond=16 ) 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-5096337887875197975.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17663152507179872004.kers'
[2026-05-26 04:48:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5096337887875197975.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17663152507179872004.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1960 rows 1225 cols 4900 entries
Finished phase 1 with 980 SingleSign rule and 0 generalized
[2026-05-26 04:48:59] [INFO ] Computed 245 invariants in 8 ms
Computed 245 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-17663152507179872004.kers
Total runtime 10 ms.
[2026-05-26 04:48:59] [INFO ] State equation strengthened by 245 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 956/1225 variables, 245/245 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1225 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 1960/3185 variables, 1225/1470 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3185 variables, 245/1715 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3185 variables, 0/1715 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/3185 variables, 0/1715 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3185/3185 variables, and 1715 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3603 ms.
Refiners :[Positive P Invariants (semi-flows): 245/245 constraints, State Equation: 1225/1225 constraints, ReadFeed: 245/245 constraints, PredecessorRefiner: 15/9 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) 0/269 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 956/1225 variables, 245/245 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1225 variables, 20/265 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1225 variables, 20/285 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1225 variables, 20/305 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1225 variables, 20/325 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1225 variables, 20/345 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1225 variables, 20/365 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1225 variables, 19/384 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1225 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 1960/3185 variables, 1225/1609 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3185 variables, 245/1854 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3185 variables, 9/1863 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3185 variables, 7/1870 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3185 variables, 1/1871 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3185 variables, 0/1871 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (OVERLAPS) 0/3185 variables, 0/1871 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3185/3185 variables, and 1871 constraints, problems are : Problem set: 0 solved, 15 unsolved in 49372 ms.
Refiners :[Positive P Invariants (semi-flows): 245/245 constraints, State Equation: 1225/1225 constraints, ReadFeed: 245/245 constraints, PredecessorRefiner: 15/9 constraints, Known Traps: 147/147 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 53039ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 8 different solutions.
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-14 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-08 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 14 properties in 30008 ms.
Support contains 34 out of 1225 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1225/1225 places, 1960/1960 transitions.
Graph (complete) has 2940 edges and 1225 vertex of which 165 are kept as prefixes of interest. Removing 1060 places using SCC suffix rule.1 ms
Discarding 1060 places :
Also discarding 1696 output transitions
Drop transitions (Output transitions of discarded places.) removed 1696 transitions
Applied a total of 1 rules in 10 ms. Remains 165 /1225 variables (removed 1060) and now considering 264/1960 (removed 1696) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 165/1225 places, 264/1960 transitions.
RANDOM walk for 29736 steps (6 resets) in 90 ms. (326 steps per ms) remains 0/1 properties
FORMULA JoinFreeModules-PT-1000-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 209709 ms.

BK_STOP 1779771022332

--------------------
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-1000"
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-1000, 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-177961107700215"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-1000.tgz
mv JoinFreeModules-PT-1000 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 ;