fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993500004
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DatabaseWithMutex-COL-02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
450.371 43523.00 70475.00 454.10 FFFTFFFFFFFTTFTT normal

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.r082-smll-177946993500004.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 DatabaseWithMutex-COL-02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993500004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 8.5K Mar 5 14:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 5 14:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 14:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 14:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 14:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 5 14:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 5 14:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 19K 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 DatabaseWithMutex-COL-02-LTLFireability-00
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-01
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-02
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-03
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-04
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-05
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-06
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-07
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-08
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-09
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-10
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-11
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-12
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-13
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-14
FORMULA_NAME DatabaseWithMutex-COL-02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779479533000

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-22 19:52:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 19:52:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:52:15] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-22 19:52:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 19:52:16] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 889 ms
[2026-05-22 19:52:16] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 38 PT places and 32.0 transition bindings in 23 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 19:52:16] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 8 ms.
[2026-05-22 19:52:16] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 10 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 5478 steps (0 resets) in 181 ms. (30 steps per ms) remains 0/11 properties
[2026-05-22 19:52:17] [INFO ] Flatten gal took : 34 ms
[2026-05-22 19:52:17] [INFO ] Flatten gal took : 6 ms
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2026-05-22 19:52:17] [INFO ] Unfolded HLPN to a Petri net with 38 places and 32 transitions 88 arcs in 22 ms.
[2026-05-22 19:52:17] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
[2026-05-22 19:52:17] [INFO ] Reduced 2 identical enabling conditions.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 10 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17693148514177968672.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11690925356715399781.kers'
[2026-05-22 19:52:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17693148514177968672.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11690925356715399781.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 38 cols 88 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-22 19:52:17] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-11690925356715399781.kers
Total runtime 10 ms.
[2026-05-22 19:52:17] [INFO ] Implicit Places using invariants in 520 ms returned []
[2026-05-22 19:52:17] [INFO ] Invariant cache hit.
[2026-05-22 19:52:18] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 700 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2026-05-22 19:52:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/70 variables, 38/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 0/70 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 48 constraints, problems are : Problem set: 0 solved, 28 unsolved in 2382 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 38/38 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/70 variables, 38/48 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 28/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/70 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/70 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 76 constraints, problems are : Problem set: 0 solved, 28 unsolved in 1207 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 38/38 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3660ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 3677ms
Finished structural reductions in LTL mode , in 1 iterations and 4436 ms. Remains : 38/38 places, 32/32 transitions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2026-05-22 19:52:21] [INFO ] Invariant cache hit.
[2026-05-22 19:52:21] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-22 19:52:21] [INFO ] Invariant cache hit.
[2026-05-22 19:52:21] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 38/38 places, 32/32 transitions.
Support contains 38 out of 38 places after structural reductions.
[2026-05-22 19:52:21] [INFO ] Flatten gal took : 15 ms
[2026-05-22 19:52:22] [INFO ] Flatten gal took : 18 ms
[2026-05-22 19:52:22] [INFO ] Input system was already deterministic with 32 transitions.
Reduction of identical properties reduced properties to check from 17 to 16
RANDOM walk for 329 steps (0 resets) in 23 ms. (13 steps per ms) remains 0/16 properties
FORMULA DatabaseWithMutex-COL-02-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((G(F(p0)) U G(p1))) U (X(X(p1))&&p2)))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 11 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11436254539431283086.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13464847280744572688.kers'
[2026-05-22 19:52:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11436254539431283086.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13464847280744572688.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 34 cols 80 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:23] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13464847280744572688.kers
Total runtime 1 ms.
[2026-05-22 19:52:23] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-22 19:52:23] [INFO ] Invariant cache hit.
[2026-05-22 19:52:23] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2026-05-22 19:52:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 66/66 variables, and 40 constraints, problems are : Problem set: 0 solved, 28 unsolved in 1010 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 28/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 66/66 variables, and 68 constraints, problems are : Problem set: 0 solved, 28 unsolved in 882 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1906ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 1907ms
Starting structural reductions in LTL mode, iteration 1 : 34/38 places, 32/32 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2046 ms. Remains : 34/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((G(F(p0)) U G(p1))) U (X(X(p1))&&p2)))'
Stuttering acceptance computed with spot in 735 ms :[(OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (NOT p0), (AND (NOT p0) p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-00
Product exploration explored 100000 steps with 14008 reset in 624 ms.
Stack based approach found an accepted trace after 3616 steps with 504 reset with depth 9 and stack size 9 in 16 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-00 finished in 3730 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(((!p0 U (p1||G(!p0))) U ((X(!p2)&&(!p0 U (p1||G(!p0))))||G((!p0 U (p1||G(!p0)))))))))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 2 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14216410915756098813.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4591446266967341325.kers'
[2026-05-22 19:52:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14216410915756098813.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4591446266967341325.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 38 cols 88 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-22 19:52:26] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4591446266967341325.kers
Total runtime 0 ms.
[2026-05-22 19:52:26] [INFO ] Implicit Places using invariants in 76 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 79 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 83 ms. Remains : 36/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(((!p0 U (p1||G(!p0))) U ((X(!p2)&&(!p0 U (p1||G(!p0))))||G((!p0 U (p1||G(!p0)))))))))'
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-01
Product exploration explored 100000 steps with 15664 reset in 976 ms.
Product exploration explored 100000 steps with 15671 reset in 455 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 17 factoid took 192 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 570 steps (0 resets) in 14 ms. (38 steps per ms) remains 0/8 properties
Knowledge based reduction with 17 factoid took 324 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 274 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2771640468934451617.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5270910893167644906.kers'
[2026-05-22 19:52:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2771640468934451617.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5270910893167644906.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 36 cols 80 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-22 19:52:29] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5270910893167644906.kers
Total runtime 1 ms.
[2026-05-22 19:52:29] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2026-05-22 19:52:29] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 4 ms returned sat
[2026-05-22 19:52:29] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-22 19:52:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 19:52:29] [INFO ] [Nat]Absence check using 5 positive place invariants in 5 ms returned sat
[2026-05-22 19:52:29] [INFO ] [Nat]Absence check using 5 positive and 3 generalized place invariants in 3 ms returned sat
[2026-05-22 19:52:29] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-22 19:52:29] [INFO ] Computed and/alt/rep : 28/32/28 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-22 19:52:29] [INFO ] Added : 4 causal constraints over 1 iterations in 28 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 1129 ms.
Stuttering acceptance computed with spot in 306 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
Support contains 14 out of 36 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
[2026-05-22 19:52:29] [INFO ] Invariant cache hit.
[2026-05-22 19:52:29] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-22 19:52:29] [INFO ] Invariant cache hit.
[2026-05-22 19:52:30] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2026-05-22 19:52:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 0/68 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 68/68 variables, and 44 constraints, problems are : Problem set: 0 solved, 28 unsolved in 1092 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/36 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 32/68 variables, 36/44 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/68 variables, 28/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/68 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 68/68 variables, and 72 constraints, problems are : Problem set: 0 solved, 28 unsolved in 958 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2061ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 2062ms
Finished structural reductions in LTL mode , in 1 iterations and 2213 ms. Remains : 36/36 places, 32/32 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 14 factoid took 162 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 361 steps (0 resets) in 9 ms. (36 steps per ms) remains 0/8 properties
Knowledge based reduction with 14 factoid took 320 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
[2026-05-22 19:52:32] [INFO ] Invariant cache hit.
[2026-05-22 19:52:32] [INFO ] [Real]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-22 19:52:32] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 3 ms returned sat
[2026-05-22 19:52:32] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-22 19:52:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 19:52:32] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2026-05-22 19:52:32] [INFO ] [Nat]Absence check using 5 positive and 3 generalized place invariants in 4 ms returned sat
[2026-05-22 19:52:33] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-22 19:52:33] [INFO ] Computed and/alt/rep : 28/32/28 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-22 19:52:33] [INFO ] Added : 4 causal constraints over 1 iterations in 22 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 970 ms.
Stuttering acceptance computed with spot in 267 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 254 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND p0 (NOT p1)), (AND p0 (NOT p1) p2), (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 15712 reset in 142 ms.
Product exploration explored 100000 steps with 15659 reset in 125 ms.
Spot run failed in 148 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin11504036454174326180
[2026-05-22 19:52:34] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11504036454174326180
Running compilation step : cd /tmp/ltsmin11504036454174326180;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 559 ms.
Running link step : cd /tmp/ltsmin11504036454174326180;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 73 ms.
Running LTSmin : cd /tmp/ltsmin11504036454174326180;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased4112544454430515371.hoa' '--buchi-type=spotba'
LTSmin run took 72 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-01 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-01 finished in 8269 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((p0&&(p0 U p1)))))))'
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 3 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10146706754802395912.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10433232299134618402.kers'
[2026-05-22 19:52:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10146706754802395912.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10433232299134618402.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 34 cols 80 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:34] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10433232299134618402.kers
Total runtime 1 ms.
[2026-05-22 19:52:34] [INFO ] Implicit Places using invariants in 69 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 71 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 75 ms. Remains : 32/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(((p0 U p1)&&p0))))))'
Stuttering acceptance computed with spot in 277 ms :[(NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-04
Product exploration explored 100000 steps with 1406 reset in 438 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-04 finished in 836 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p1)))'
Support contains 16 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 4 place count 34 transition count 28
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 12 place count 30 transition count 28
Applied a total of 12 rules in 21 ms. Remains 30 /38 variables (removed 8) and now considering 28/32 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4918013955466257372.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9561410211671978970.kers'
[2026-05-22 19:52:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4918013955466257372.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9561410211671978970.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 28 rows 30 cols 72 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-22 19:52:35] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9561410211671978970.kers
Total runtime 0 ms.
[2026-05-22 19:52:35] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-22 19:52:35] [INFO ] Invariant cache hit.
[2026-05-22 19:52:35] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
[2026-05-22 19:52:35] [INFO ] Redundant transitions in 1 ms returned []
Running 24 sub problems to find dead transitions.
[2026-05-22 19:52:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 2/30 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 28/58 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/58 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 0/58 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 58/58 variables, and 36 constraints, problems are : Problem set: 0 solved, 24 unsolved in 826 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 2/30 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (OVERLAPS) 28/58 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/58 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 0/58 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 58/58 variables, and 60 constraints, problems are : Problem set: 0 solved, 24 unsolved in 790 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1626ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 1627ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/38 places, 28/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1760 ms. Remains : 30/38 places, 28/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p1)))'
Stuttering acceptance computed with spot in 117 ms :[p1, true, p1]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-05
Entered a terminal (fully accepting) state of product in 16 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-05 finished in 1922 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X((X(X(!p1)) U (p1&&X(X(!p1)))))||p0) U (p2&&F(p1)))))'
Support contains 10 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 2 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13706641708489737898.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9100664282171761815.kers'
[2026-05-22 19:52:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13706641708489737898.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9100664282171761815.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 34 cols 80 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:37] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9100664282171761815.kers
Total runtime 1 ms.
[2026-05-22 19:52:37] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-22 19:52:37] [INFO ] Invariant cache hit.
[2026-05-22 19:52:37] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2026-05-22 19:52:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 66/66 variables, and 40 constraints, problems are : Problem set: 0 solved, 28 unsolved in 987 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 28/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 66/66 variables, and 68 constraints, problems are : Problem set: 0 solved, 28 unsolved in 890 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1886ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 1889ms
Starting structural reductions in LTL mode, iteration 1 : 34/38 places, 32/32 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2004 ms. Remains : 34/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X((X(X(!p1)) U (p1&&X(X(!p1)))))||p0) U (F(p1)&&p2))))'
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), true, (NOT p1), p1, p1, true]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-06
Entered a terminal (fully accepting) state of product in 57 steps with 8 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-06 finished in 2403 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&X(G(!p1))) U X(X(p2))))'
Support contains 16 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 1 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
[2026-05-22 19:52:39] [INFO ] Invariant cache hit.
[2026-05-22 19:52:40] [INFO ] Implicit Places using invariants in 47 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 32/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&X(G(!p1))) U X(X(p2))))'
Stuttering acceptance computed with spot in 600 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND p1 (NOT p2)), true, (AND (NOT p0) (NOT p2)), (AND (NOT p2) p1), (NOT p2), (NOT p0), p1]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-07
Entered a terminal (fully accepting) state of product in 16 steps with 1 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-07 finished in 704 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 34 transition count 24
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 20 place count 26 transition count 24
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 28 place count 22 transition count 20
Applied a total of 28 rules in 16 ms. Remains 22 /38 variables (removed 16) and now considering 20/32 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14866109755464294392.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15125879153091804508.kers'
[2026-05-22 19:52:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14866109755464294392.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15125879153091804508.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 22 cols 56 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-22 19:52:40] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15125879153091804508.kers
Total runtime 1 ms.
[2026-05-22 19:52:40] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-22 19:52:40] [INFO ] Invariant cache hit.
[2026-05-22 19:52:40] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2026-05-22 19:52:40] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 19:52:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/22 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/42 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 28 constraints, problems are : Problem set: 0 solved, 16 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 16/16 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) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 2/22 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/42 variables, 22/28 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 16/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/42 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 44 constraints, problems are : Problem set: 0 solved, 16 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 925ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 926ms
Starting structural reductions in SI_LTL mode, iteration 1 : 22/38 places, 20/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1047 ms. Remains : 22/38 places, 20/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-08
Product exploration explored 100000 steps with 9576 reset in 143 ms.
Stack based approach found an accepted trace after 1247 steps with 109 reset with depth 16 and stack size 16 in 7 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-08 finished in 1329 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U G(p1))||F(G(p2))))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 34 transition count 28
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 12 place count 30 transition count 28
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 20 place count 26 transition count 24
Applied a total of 20 rules in 7 ms. Remains 26 /38 variables (removed 12) and now considering 24/32 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3119342276614586191.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11083302740227466584.kers'
[2026-05-22 19:52:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3119342276614586191.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11083302740227466584.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 26 cols 64 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 19:52:42] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11083302740227466584.kers
Total runtime 1 ms.
[2026-05-22 19:52:42] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-22 19:52:42] [INFO ] Invariant cache hit.
[2026-05-22 19:52:42] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2026-05-22 19:52:42] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2026-05-22 19:52:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/26 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/50 variables, 26/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 0/50 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 50/50 variables, and 32 constraints, problems are : Problem set: 0 solved, 20 unsolved in 572 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/26 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/50 variables, 26/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/50 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 50/50 variables, and 52 constraints, problems are : Problem set: 0 solved, 20 unsolved in 512 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1090ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 1091ms
Starting structural reductions in SI_LTL mode, iteration 1 : 26/38 places, 24/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1209 ms. Remains : 26/38 places, 24/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U G(p1))||F(G(p2))))'
Stuttering acceptance computed with spot in 120 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-09
Product exploration explored 100000 steps with 12352 reset in 272 ms.
Stack based approach found an accepted trace after 36 steps with 3 reset with depth 12 and stack size 12 in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-09 finished in 1648 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&X(X(X(G(!p1))))) U (G((!p0&&X(X(X(G(!p1))))))||(X(X(X(G(!p1))))&&p2))))'
Support contains 16 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9470667547617318004.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10392844745836262738.kers'
[2026-05-22 19:52:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9470667547617318004.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10392844745836262738.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 38 cols 88 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-22 19:52:43] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10392844745836262738.kers
Total runtime 1 ms.
[2026-05-22 19:52:43] [INFO ] Implicit Places using invariants in 58 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 60 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62 ms. Remains : 36/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&X(X(X(G(!p1))))) U (G((!p0&&X(X(X(G(!p1))))))||(X(X(X(G(!p1))))&&p2))))'
Stuttering acceptance computed with spot in 221 ms :[(OR p1 (AND p0 (NOT p2))), true, p1, p1, p1]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-10 finished in 328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 28
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 10 rules applied. Total rules applied 14 place count 32 transition count 24
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 18 place count 28 transition count 24
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 18 place count 28 transition count 20
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 26 place count 24 transition count 20
Applied a total of 26 rules in 9 ms. Remains 24 /38 variables (removed 14) and now considering 20/32 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12815578720673504127.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8913481161292852082.kers'
[2026-05-22 19:52:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12815578720673504127.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8913481161292852082.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 24 cols 56 entries
Finished phase 1 with 12 SingleSign rule and 4 generalized
[2026-05-22 19:52:44] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8913481161292852082.kers
Total runtime 1 ms.
[2026-05-22 19:52:44] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 19:52:44] [INFO ] Invariant cache hit.
[2026-05-22 19:52:44] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2026-05-22 19:52:44] [INFO ] Redundant transitions in 1 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 19:52:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/24 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 20/44 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/44 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 32 constraints, problems are : Problem set: 0 solved, 16 unsolved in 468 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 16/16 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) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/24 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 20/44 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 16/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/44 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/44 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 48 constraints, problems are : Problem set: 0 solved, 16 unsolved in 498 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 971ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 971ms
Starting structural reductions in SI_LTL mode, iteration 1 : 24/38 places, 20/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1077 ms. Remains : 24/38 places, 20/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(p1)))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-11
Product exploration explored 100000 steps with 15403 reset in 211 ms.
Product exploration explored 100000 steps with 15395 reset in 229 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 6 factoid took 168 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 21 steps (0 resets) in 5 ms. (3 steps per ms) remains 0/4 properties
Knowledge based reduction with 6 factoid took 230 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 512 ms.
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 14 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 19:52:46] [INFO ] Invariant cache hit.
[2026-05-22 19:52:46] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-22 19:52:46] [INFO ] Invariant cache hit.
[2026-05-22 19:52:46] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
[2026-05-22 19:52:46] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 119 ms. Remains : 24/24 places, 20/20 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 6 factoid took 168 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 20 steps (0 resets) in 5 ms. (3 steps per ms) remains 0/4 properties
Knowledge based reduction with 6 factoid took 229 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 507 ms.
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 15394 reset in 213 ms.
Product exploration explored 100000 steps with 15423 reset in 229 ms.
Built C files in :
/tmp/ltsmin17155253978926869544
[2026-05-22 19:52:47] [INFO ] Computing symmetric may disable matrix : 20 transitions.
[2026-05-22 19:52:47] [INFO ] Computation of Complete disable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:47] [INFO ] Computing symmetric may enable matrix : 20 transitions.
[2026-05-22 19:52:47] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:47] [INFO ] Computing Do-Not-Accords matrix : 20 transitions.
[2026-05-22 19:52:47] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:47] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17155253978926869544
Running compilation step : cd /tmp/ltsmin17155253978926869544;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 212 ms.
Running link step : cd /tmp/ltsmin17155253978926869544;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin17155253978926869544;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased6975508512966899959.hoa' '--buchi-type=spotba'
LTSmin run took 33 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-11 finished in 3937 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(p0 U G(p1))&&((X(p0) U p2)||F(p1))))'
Support contains 12 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 1 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13696448147211357373.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15412810598107139937.kers'
[2026-05-22 19:52:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13696448147211357373.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15412810598107139937.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 34 cols 80 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:47] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15412810598107139937.kers
Total runtime 1 ms.
[2026-05-22 19:52:48] [INFO ] Implicit Places using invariants in 68 ms returned [24, 25]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 70 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 32 /32 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 32/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(p0 U G(p1))&&((X(p0) U p2)||F(p1))))'
Stuttering acceptance computed with spot in 269 ms :[(OR (NOT p2) p1), p1, p1, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p1)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-12
Product exploration explored 100000 steps with 12721 reset in 148 ms.
Product exploration explored 100000 steps with 12722 reset in 169 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 8 factoid took 186 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter insensitive).
RANDOM walk for 32 steps (0 resets) in 5 ms. (5 steps per ms) remains 0/6 properties
Knowledge based reduction with 8 factoid took 274 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(NOT p1), (NOT p1)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10627969443028805670.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5182339499972816635.kers'
[2026-05-22 19:52:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10627969443028805670.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5182339499972816635.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 32 cols 72 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:49] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5182339499972816635.kers
Total runtime 1 ms.
[2026-05-22 19:52:49] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-22 19:52:49] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-22 19:52:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 19:52:49] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-22 19:52:49] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-22 19:52:49] [INFO ] Computed and/alt/rep : 28/28/28 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-22 19:52:49] [INFO ] Added : 3 causal constraints over 1 iterations in 17 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 761 ms.
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (NOT p1)]
Support contains 4 out of 32 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 32/32 places, 32/32 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 32 transition count 24
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 24 transition count 24
Applied a total of 16 rules in 4 ms. Remains 24 /32 variables (removed 8) and now considering 24/32 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15828884238024764637.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13139546702257942827.kers'
[2026-05-22 19:52:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15828884238024764637.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13139546702257942827.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 24 rows 24 cols 56 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-22 19:52:49] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13139546702257942827.kers
Total runtime 0 ms.
[2026-05-22 19:52:49] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-22 19:52:49] [INFO ] Invariant cache hit.
[2026-05-22 19:52:49] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2026-05-22 19:52:49] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2026-05-22 19:52:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 0/48 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 48/48 variables, and 28 constraints, problems are : Problem set: 0 solved, 20 unsolved in 458 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 2/24 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 24/48 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 20/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 48/48 variables, and 48 constraints, problems are : Problem set: 0 solved, 20 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 898ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 898ms
Starting structural reductions in SI_LTL mode, iteration 1 : 24/32 places, 24/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1010 ms. Remains : 24/32 places, 24/32 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 68 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 23 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), (NOT p1)]
[2026-05-22 19:52:50] [INFO ] Invariant cache hit.
[2026-05-22 19:52:50] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-22 19:52:50] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-22 19:52:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 19:52:50] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-22 19:52:50] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-22 19:52:50] [INFO ] Computed and/alt/rep : 20/20/20 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-22 19:52:50] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 407 ms.
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 15415 reset in 124 ms.
Product exploration explored 100000 steps with 15389 reset in 148 ms.
Built C files in :
/tmp/ltsmin3108668659549970439
[2026-05-22 19:52:51] [INFO ] Computing symmetric may disable matrix : 24 transitions.
[2026-05-22 19:52:51] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:51] [INFO ] Computing symmetric may enable matrix : 24 transitions.
[2026-05-22 19:52:51] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:51] [INFO ] Computing Do-Not-Accords matrix : 24 transitions.
[2026-05-22 19:52:51] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:51] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3108668659549970439
Running compilation step : cd /tmp/ltsmin3108668659549970439;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 183 ms.
Running link step : cd /tmp/ltsmin3108668659549970439;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin3108668659549970439;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased5560230481638486330.hoa' '--buchi-type=spotba'
LTSmin run took 24 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-12 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-12 finished in 3789 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(X(p1))))))'
Support contains 14 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 38 /38 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14812259012865711487.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11440500089447244802.kers'
[2026-05-22 19:52:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14812259012865711487.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11440500089447244802.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 38 cols 88 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-22 19:52:51] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11440500089447244802.kers
Total runtime 1 ms.
[2026-05-22 19:52:51] [INFO ] Implicit Places using invariants in 56 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 59 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 32/32 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 32/32 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61 ms. Remains : 36/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(X(p0))&&p1))))'
Stuttering acceptance computed with spot in 226 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-13
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-13 finished in 325 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(!p0)||G(p1))))'
Support contains 8 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 34 transition count 32
Applied a total of 4 rules in 2 ms. Remains 34 /38 variables (removed 4) and now considering 32/32 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6469056971839025707.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12601709208488360425.kers'
[2026-05-22 19:52:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6469056971839025707.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12601709208488360425.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 32 rows 34 cols 80 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-22 19:52:52] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12601709208488360425.kers
Total runtime 0 ms.
[2026-05-22 19:52:52] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-22 19:52:52] [INFO ] Invariant cache hit.
[2026-05-22 19:52:52] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Running 28 sub problems to find dead transitions.
[2026-05-22 19:52:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 0/66 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 66/66 variables, and 40 constraints, problems are : Problem set: 0 solved, 28 unsolved in 596 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/34 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 32/66 variables, 34/40 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 28/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (OVERLAPS) 0/66 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 66/66 variables, and 68 constraints, problems are : Problem set: 0 solved, 28 unsolved in 581 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1182ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 1182ms
Starting structural reductions in LTL mode, iteration 1 : 34/38 places, 32/32 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1293 ms. Remains : 34/38 places, 32/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||G(p1))))'
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-14
Product exploration explored 100000 steps with 50000 reset in 78 ms.
Product exploration explored 100000 steps with 50000 reset in 89 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 11 ms. Proved property starting from automaton with 3 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 15 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-14 finished in 1611 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 8 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 32/32 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 28
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 10 rules applied. Total rules applied 14 place count 32 transition count 24
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 18 place count 28 transition count 24
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 18 place count 28 transition count 20
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 26 place count 24 transition count 20
Applied a total of 26 rules in 4 ms. Remains 24 /38 variables (removed 14) and now considering 20/32 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7240863835916268162.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7277370918044541793.kers'
[2026-05-22 19:52:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7240863835916268162.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7277370918044541793.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 24 cols 56 entries
Finished phase 1 with 12 SingleSign rule and 4 generalized
[2026-05-22 19:52:53] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7277370918044541793.kers
Total runtime 1 ms.
[2026-05-22 19:52:53] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-22 19:52:53] [INFO ] Invariant cache hit.
[2026-05-22 19:52:53] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2026-05-22 19:52:53] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2026-05-22 19:52:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/24 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 20/44 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/44 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 32 constraints, problems are : Problem set: 0 solved, 16 unsolved in 470 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 16/16 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) 0/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 2/24 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 20/44 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 16/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/44 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/44 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 48 constraints, problems are : Problem set: 0 solved, 16 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 811ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 811ms
Starting structural reductions in SI_LTL mode, iteration 1 : 24/38 places, 20/32 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 893 ms. Remains : 24/38 places, 20/32 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DatabaseWithMutex-COL-02-LTLFireability-15
Product exploration explored 100000 steps with 15053 reset in 85 ms.
Product exploration explored 100000 steps with 15064 reset in 105 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 52 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 25 steps (0 resets) in 4 ms. (5 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
[2026-05-22 19:52:54] [INFO ] Invariant cache hit.
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-22 19:52:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 19:52:55] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 265 ms.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2026-05-22 19:52:55] [INFO ] Invariant cache hit.
[2026-05-22 19:52:55] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-22 19:52:55] [INFO ] Invariant cache hit.
[2026-05-22 19:52:55] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2026-05-22 19:52:55] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 84 ms. Remains : 24/24 places, 20/20 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 66 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 22 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 84 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
[2026-05-22 19:52:55] [INFO ] Invariant cache hit.
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using 5 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-22 19:52:55] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-22 19:52:55] [INFO ] Computed and/alt/rep : 16/20/16 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-22 19:52:55] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 368 ms.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 15047 reset in 142 ms.
Product exploration explored 100000 steps with 15043 reset in 164 ms.
Built C files in :
/tmp/ltsmin15102243104669609545
[2026-05-22 19:52:56] [INFO ] Computing symmetric may disable matrix : 20 transitions.
[2026-05-22 19:52:56] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:56] [INFO ] Computing symmetric may enable matrix : 20 transitions.
[2026-05-22 19:52:56] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:56] [INFO ] Computing Do-Not-Accords matrix : 20 transitions.
[2026-05-22 19:52:56] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-22 19:52:56] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15102243104669609545
Running compilation step : cd /tmp/ltsmin15102243104669609545;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 178 ms.
Running link step : cd /tmp/ltsmin15102243104669609545;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin15102243104669609545;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased4474299719743522514.hoa' '--buchi-type=spotba'
LTSmin run took 32 ms.
FORMULA DatabaseWithMutex-COL-02-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property DatabaseWithMutex-COL-02-LTLFireability-15 finished in 2796 ms.
All properties solved by simple procedures.
Total runtime 41132 ms.

BK_STOP 1779479576523

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="DatabaseWithMutex-COL-02"
export BK_EXAMINATION="LTLFireability"
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 DatabaseWithMutex-COL-02, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993500004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-02.tgz
mv DatabaseWithMutex-COL-02 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;