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-177961107800231.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-5000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800231
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 17M
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 16:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 16:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 16:14 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 11:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 7 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 16:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 16:27 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 16M 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-5000-ReachabilityFireability-2024-00
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-01
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-02
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-03
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-04
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-05
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-06
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-07
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-08
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-09
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-10
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-11
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-12
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-13
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-14
FORMULA_NAME JoinFreeModules-PT-5000-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779793442494

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-5000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-26 11:04:04] [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 11:04:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 11:04:06] [INFO ] Load time of PNML (sax parser for PT used): 1588 ms
[2026-05-26 11:04:06] [INFO ] Transformed 25001 places.
[2026-05-26 11:04:06] [INFO ] Transformed 40001 transitions.
[2026-05-26 11:04:06] [INFO ] Parsed PT model containing 25001 places and 40001 transitions and 115002 arcs in 1991 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 51 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 1 places and 0 transitions.
[2026-05-26 11:04:11] [INFO ] Flatten gal took : 2933 ms
[2026-05-26 11:04:12] [INFO ] Flatten gal took : 1244 ms
[2026-05-26 11:04:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1096664357915175828.gal : 608 ms
[2026-05-26 11:04:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5655454514170366494.prop : 4 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/ReachabilityCardinality1096664357915175828.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5655454514170366494.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 ...328
RANDOM walk for 47522 steps (8 resets) in 24931 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1712 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 2493 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 2362 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1718 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1984 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 2147 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1565 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1905 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1839 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1834 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1511 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1439 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1262 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1558 ms. (2 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1304 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1481 ms. (2 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality5655454514170366494.prop.
Probabilistic random walk after 83023 steps, saw 82970 distinct states, run finished after 42363 ms. (steps per millisecond=1 ) 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-4813622248330041632.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3601391640558785469.kers'
[2026-05-26 11:05:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4813622248330041632.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3601391640558785469.kers]
Normalized transition count is 40000 out of 40001 initially.
Culled 0 columns in 44 ms.
// Phase 1: matrix 40000 rows 25000 cols 100000 entries
Finished phase 1 with 20000 SingleSign rule and 0 generalized
[2026-05-26 11:05:06] [INFO ] Computed 5000 invariants in 222 ms
Computed 5000 P flows in 225 ms.
Exported basis to /tmp/petrispot-output-3601391640558785469.kers
Total runtime 273 ms.
[2026-05-26 11:05:07] [INFO ] State equation strengthened by 5000 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, 16 unsolved
At refinement iteration 1 (OVERLAPS) 810/1015 variables, 203/203 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1015 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 1624/2639 variables, 1015/1218 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2639 variables, 203/1421 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2639 variables, 0/1421 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 2639/65001 variables, and 1421 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5113 ms.
Refiners :[Positive P Invariants (semi-flows): 203/5000 constraints, State Equation: 1015/25000 constraints, ReadFeed: 203/5000 constraints, PredecessorRefiner: 16/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 205/65001 variables, and 0 constraints, problems are : Problem set: 0 solved, 16 unsolved in 8934 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5000 constraints, State Equation: 0/25000 constraints, ReadFeed: 0/5000 constraints, PredecessorRefiner: 4/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16518ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 205 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 40001/40001 transitions.
Graph (complete) has 60000 edges and 25000 vertex of which 1015 are kept as prefixes of interest. Removing 23985 places using SCC suffix rule.1206 ms
Discarding 23985 places :
Also discarding 38376 output transitions
Drop transitions (Output transitions of discarded places.) removed 38376 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 1015 transition count 1624
Applied a total of 2 rules in 2134 ms. Remains 1015 /25000 variables (removed 23985) and now considering 1624/40001 (removed 38377) transitions.
Running 1218 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-1824365798550507987.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9839471187070478809.kers'
[2026-05-26 11:05:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1824365798550507987.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9839471187070478809.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1624 rows 1015 cols 4060 entries
Finished phase 1 with 812 SingleSign rule and 0 generalized
[2026-05-26 11:05:24] [INFO ] Computed 203 invariants in 8 ms
Computed 203 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-9839471187070478809.kers
Total runtime 12 ms.
[2026-05-26 11:05:24] [INFO ] State equation strengthened by 203 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 812/2639 variables, and 0 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 20113 ms.
Refiners :[Positive P Invariants (semi-flows): 0/203 constraints, State Equation: 0/1015 constraints, ReadFeed: 0/203 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 812/2639 variables, and 0 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 20081 ms.
Refiners :[Positive P Invariants (semi-flows): 0/203 constraints, State Equation: 0/1015 constraints, ReadFeed: 0/203 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41240ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 41264ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43513 ms. Remains : 1015/25000 places, 1624/40001 transitions.
RANDOM walk for 42517 steps (6 resets) in 914 ms. (46 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 120 ms. (33 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 122 ms. (32 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 143 ms. (27 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 160 ms. (24 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 138 ms. (28 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 34853 steps, run timeout after 3942 ms. (steps per millisecond=8 ) properties seen :0 out of 16
Probabilistic random walk after 34853 steps, saw 34723 distinct states, run finished after 3950 ms. (steps per millisecond=8 ) properties seen :0
[2026-05-26 11:06:10] [INFO ] Invariant cache hit.
[2026-05-26 11:06:10] [INFO ] State equation strengthened by 203 read => feed constraints.
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, 16 unsolved
At refinement iteration 1 (OVERLAPS) 810/1015 variables, 203/203 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1015 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 1624/2639 variables, 1015/1218 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2639 variables, 203/1421 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2639 variables, 0/1421 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/2639 variables, 0/1421 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2639/2639 variables, and 1421 constraints, problems are : Problem set: 0 solved, 16 unsolved in 3497 ms.
Refiners :[Positive P Invariants (semi-flows): 203/203 constraints, State Equation: 1015/1015 constraints, ReadFeed: 203/203 constraints, PredecessorRefiner: 16/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/205 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 810/1015 variables, 203/203 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1015 variables, 20/223 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1015 variables, 20/243 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1015 variables, 20/263 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1015 variables, 20/283 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1015 variables, 20/303 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1015 variables, 16/319 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1015 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 1624/2639 variables, 1015/1334 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2639 variables, 203/1537 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2639 variables, 12/1549 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2639 variables, 7/1556 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2639 variables, 1/1557 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2639 variables, 0/1557 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (OVERLAPS) 0/2639 variables, 0/1557 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2639/2639 variables, and 1557 constraints, problems are : Problem set: 0 solved, 16 unsolved in 34786 ms.
Refiners :[Positive P Invariants (semi-flows): 203/203 constraints, State Equation: 1015/1015 constraints, ReadFeed: 203/203 constraints, PredecessorRefiner: 16/12 constraints, Known Traps: 124/124 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38320ms problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 8 different solutions.
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-12 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-13 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 8 properties in 35007 ms.
Support contains 102 out of 1015 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1015/1015 places, 1624/1624 transitions.
Graph (complete) has 2436 edges and 1015 vertex of which 505 are kept as prefixes of interest. Removing 510 places using SCC suffix rule.1 ms
Discarding 510 places :
Also discarding 816 output transitions
Drop transitions (Output transitions of discarded places.) removed 816 transitions
Applied a total of 1 rules in 28 ms. Remains 505 /1015 variables (removed 510) and now considering 808/1624 (removed 816) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 505/1015 places, 808/1624 transitions.
RANDOM walk for 45020 steps (7 resets) in 395 ms. (113 steps per ms) remains 7/8 properties
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 891 ms. (44 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 502 ms. (79 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 485 ms. (82 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 513 ms. (77 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 589 ms. (67 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 427 ms. (93 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 542 ms. (73 steps per ms) remains 6/7 properties
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10263262102728490724.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14991567081623586216.kers'
[2026-05-26 11:07:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10263262102728490724.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14991567081623586216.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 808 rows 505 cols 2020 entries
Finished phase 1 with 404 SingleSign rule and 0 generalized
[2026-05-26 11:07:25] [INFO ] Computed 101 invariants in 5 ms
Computed 101 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-14991567081623586216.kers
Total runtime 7 ms.
[2026-05-26 11:07:25] [INFO ] State equation strengthened by 101 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 292/365 variables, 73/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 584/949 variables, 365/438 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/949 variables, 73/511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/949 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/949 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 949/1313 variables, and 511 constraints, problems are : Problem set: 0 solved, 6 unsolved in 893 ms.
Refiners :[Positive P Invariants (semi-flows): 73/101 constraints, State Equation: 365/505 constraints, ReadFeed: 73/101 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 292/365 variables, 73/73 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/365 variables, 20/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/365 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 584/949 variables, 365/480 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/949 variables, 73/553 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/949 variables, 4/557 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/949 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/949 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 949/1313 variables, and 557 constraints, problems are : Problem set: 0 solved, 6 unsolved in 6402 ms.
Refiners :[Positive P Invariants (semi-flows): 73/101 constraints, State Equation: 365/505 constraints, ReadFeed: 73/101 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7333ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
Finished Parikh walk after 636941 steps, including 2 resets, run visited all 6 properties in 11700 ms. (steps per millisecond=54 )
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA JoinFreeModules-PT-5000-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 11710 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 219726 ms.

BK_STOP 1779793664821

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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-5000"
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-5000, 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-177961107800231"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-5000.tgz
mv JoinFreeModules-PT-5000 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 ;