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.r210-smll-177969941900028.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 Philosophers-COL-000050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900028
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 8.9K Mar 5 12:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 5 12:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 12:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 12:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 16 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 16 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 5 12:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 5 12:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 5 12:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 5 12:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 12K 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 Philosophers-COL-000050-LTLFireability-00
FORMULA_NAME Philosophers-COL-000050-LTLFireability-01
FORMULA_NAME Philosophers-COL-000050-LTLFireability-02
FORMULA_NAME Philosophers-COL-000050-LTLFireability-03
FORMULA_NAME Philosophers-COL-000050-LTLFireability-04
FORMULA_NAME Philosophers-COL-000050-LTLFireability-05
FORMULA_NAME Philosophers-COL-000050-LTLFireability-06
FORMULA_NAME Philosophers-COL-000050-LTLFireability-07
FORMULA_NAME Philosophers-COL-000050-LTLFireability-08
FORMULA_NAME Philosophers-COL-000050-LTLFireability-09
FORMULA_NAME Philosophers-COL-000050-LTLFireability-10
FORMULA_NAME Philosophers-COL-000050-LTLFireability-11
FORMULA_NAME Philosophers-COL-000050-LTLFireability-12
FORMULA_NAME Philosophers-COL-000050-LTLFireability-13
FORMULA_NAME Philosophers-COL-000050-LTLFireability-14
FORMULA_NAME Philosophers-COL-000050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779784418981

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-COL-000050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 08:33:40] [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]
[2026-05-26 08:33:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 08:33:40] [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.
[2026-05-26 08:33:41] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 08:33:41] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 788 ms
[2026-05-26 08:33:41] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 250 PT places and 250.0 transition bindings in 24 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 08:33:41] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 7 ms.
[2026-05-26 08:33:41] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Philosophers-COL-000050-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 4 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 34215 steps (655 resets) in 206 ms. (165 steps per ms) remains 0/3 properties
[2026-05-26 08:33:42] [INFO ] Flatten gal took : 20 ms
[2026-05-26 08:33:42] [INFO ] Flatten gal took : 3 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 50) 50) 50)]] contains successor/predecessor on variables of sort Philo
[2026-05-26 08:33:42] [INFO ] Unfolded HLPN to a Petri net with 250 places and 250 transitions 800 arcs in 35 ms.
[2026-05-26 08:33:42] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Support contains 250 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (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-16987361976105685076.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14580258846894182539.kers'
[2026-05-26 08:33:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16987361976105685076.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14580258846894182539.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 250 rows 250 cols 800 entries
Finished phase 1 with 150 SingleSign rule and 0 generalized
[2026-05-26 08:33:42] [INFO ] Computed 100 invariants in 2 ms
Computed 100 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14580258846894182539.kers
Total runtime 4 ms.
[2026-05-26 08:33:42] [INFO ] Implicit Places using invariants in 373 ms returned []
[2026-05-26 08:33:42] [INFO ] Invariant cache hit.
[2026-05-26 08:33:43] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 733 ms to find 0 implicit places.
Running 150 sub problems to find dead transitions.
[2026-05-26 08:33:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/200 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 2 (OVERLAPS) 50/250 variables, 50/100 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/250 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 4 (OVERLAPS) 250/500 variables, 250/350 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/500 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 6 (OVERLAPS) 0/500 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 150 unsolved
No progress, stopping.
After SMT solving in domain Real declared 500/500 variables, and 350 constraints, problems are : Problem set: 0 solved, 150 unsolved in 14344 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 150/150 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 150 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/200 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/200 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 2 (OVERLAPS) 50/250 variables, 50/100 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/250 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 4 (OVERLAPS) 250/500 variables, 250/350 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/500 variables, 150/500 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/500 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 150 unsolved
At refinement iteration 7 (OVERLAPS) 0/500 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 150 unsolved
No progress, stopping.
After SMT solving in domain Int declared 500/500 variables, and 500 constraints, problems are : Problem set: 0 solved, 150 unsolved in 12609 ms.
Refiners :[Positive P Invariants (semi-flows): 100/100 constraints, State Equation: 250/250 constraints, PredecessorRefiner: 150/150 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27068ms problems are : Problem set: 0 solved, 150 unsolved
Search for dead transitions found 0 dead transitions in 27084ms
Finished structural reductions in LTL mode , in 1 iterations and 27879 ms. Remains : 250/250 places, 250/250 transitions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 2 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:10] [INFO ] Invariant cache hit.
[2026-05-26 08:34:10] [INFO ] Implicit Places using invariants in 91 ms returned []
[2026-05-26 08:34:10] [INFO ] Invariant cache hit.
[2026-05-26 08:34:10] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 324 ms. Remains : 250/250 places, 250/250 transitions.
Support contains 250 out of 250 places after structural reductions.
[2026-05-26 08:34:10] [INFO ] Flatten gal took : 64 ms
[2026-05-26 08:34:10] [INFO ] Flatten gal took : 56 ms
[2026-05-26 08:34:11] [INFO ] Input system was already deterministic with 250 transitions.
Reduction of identical properties reduced properties to check from 15 to 8
RANDOM walk for 481 steps (0 resets) in 46 ms. (10 steps per ms) remains 0/8 properties
FORMULA Philosophers-COL-000050-LTLFireability-08 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' '!((F((G(p1)||p0))&&F((G(F(!p1))||(p1&&F(!p1))))))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 30 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:11] [INFO ] Invariant cache hit.
[2026-05-26 08:34:11] [INFO ] Implicit Places using invariants in 146 ms returned []
[2026-05-26 08:34:11] [INFO ] Invariant cache hit.
[2026-05-26 08:34:12] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 436 ms to find 0 implicit places.
[2026-05-26 08:34:12] [INFO ] Redundant transitions in 13 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 486 ms. Remains : 250/250 places, 250/250 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((G(p1)||p0))&&F((G(F(!p1))||(p1&&F(!p1))))))'
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p0) p1), (AND (NOT p0) (NOT p1)), p1, p1]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-00
Product exploration explored 100000 steps with 1443 reset in 1238 ms.
Stack based approach found an accepted trace after 787 steps with 9 reset with depth 146 and stack size 146 in 9 ms.
FORMULA Philosophers-COL-000050-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-00 finished in 2179 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)))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 15 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:13] [INFO ] Invariant cache hit.
[2026-05-26 08:34:13] [INFO ] Implicit Places using invariants in 162 ms returned []
[2026-05-26 08:34:13] [INFO ] Invariant cache hit.
[2026-05-26 08:34:14] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 449 ms. Remains : 250/250 places, 250/250 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)))'
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-01
Product exploration explored 100000 steps with 744 reset in 905 ms.
Stack based approach found an accepted trace after 91 steps with 0 reset with depth 92 and stack size 92 in 1 ms.
FORMULA Philosophers-COL-000050-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-01 finished in 1469 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))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 24 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:15] [INFO ] Invariant cache hit.
[2026-05-26 08:34:15] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-26 08:34:15] [INFO ] Invariant cache hit.
[2026-05-26 08:34:15] [INFO ] Implicit Places using invariants and state equation in 385 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
[2026-05-26 08:34:15] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 578 ms. Remains : 250/250 places, 250/250 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))'
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-02
Product exploration explored 100000 steps with 768 reset in 820 ms.
Stack based approach found an accepted trace after 129 steps with 0 reset with depth 130 and stack size 130 in 1 ms.
FORMULA Philosophers-COL-000050-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-02 finished in 1488 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(G(p0))))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 7 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:16] [INFO ] Invariant cache hit.
[2026-05-26 08:34:16] [INFO ] Implicit Places using invariants in 225 ms returned []
[2026-05-26 08:34:16] [INFO ] Invariant cache hit.
[2026-05-26 08:34:17] [INFO ] Implicit Places using invariants and state equation in 292 ms returned []
Implicit Place search using SMT with State Equation took 521 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 528 ms. Remains : 250/250 places, 250/250 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(G(p0))))'
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-03
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000050-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-03 finished in 707 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(p0)))&&F(p1)))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 6 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:17] [INFO ] Invariant cache hit.
[2026-05-26 08:34:17] [INFO ] Implicit Places using invariants in 121 ms returned []
[2026-05-26 08:34:17] [INFO ] Invariant cache hit.
[2026-05-26 08:34:17] [INFO ] Implicit Places using invariants and state equation in 327 ms returned []
Implicit Place search using SMT with State Equation took 452 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 458 ms. Remains : 250/250 places, 250/250 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(p0)))&&F(p1)))'
Stuttering acceptance computed with spot in 214 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (NOT p0), true]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-04
Entered a terminal (fully accepting) state of product in 23 steps with 5 reset in 0 ms.
FORMULA Philosophers-COL-000050-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-04 finished in 701 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))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 11 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:18] [INFO ] Invariant cache hit.
[2026-05-26 08:34:18] [INFO ] Implicit Places using invariants in 209 ms returned []
[2026-05-26 08:34:18] [INFO ] Invariant cache hit.
[2026-05-26 08:34:18] [INFO ] Implicit Places using invariants and state equation in 366 ms returned []
Implicit Place search using SMT with State Equation took 578 ms to find 0 implicit places.
[2026-05-26 08:34:18] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 600 ms. Remains : 250/250 places, 250/250 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))'
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-05
Product exploration explored 100000 steps with 32640 reset in 1996 ms.
Stack based approach found an accepted trace after 3527 steps with 1143 reset with depth 5 and stack size 5 in 70 ms.
FORMULA Philosophers-COL-000050-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-05 finished in 2732 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(G(!p0)))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 11 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:20] [INFO ] Invariant cache hit.
[2026-05-26 08:34:21] [INFO ] Implicit Places using invariants in 168 ms returned []
[2026-05-26 08:34:21] [INFO ] Invariant cache hit.
[2026-05-26 08:34:21] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2026-05-26 08:34:21] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 507 ms. Remains : 250/250 places, 250/250 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(G(p0)))'
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-07
Product exploration explored 100000 steps with 28 reset in 1113 ms.
Stack based approach found an accepted trace after 260 steps with 0 reset with depth 261 and stack size 261 in 3 ms.
FORMULA Philosophers-COL-000050-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-07 finished in 1687 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((X((X(p1)||p0))||F(p2))) U p3))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:22] [INFO ] Invariant cache hit.
[2026-05-26 08:34:22] [INFO ] Implicit Places using invariants in 225 ms returned []
[2026-05-26 08:34:22] [INFO ] Invariant cache hit.
[2026-05-26 08:34:23] [INFO ] Implicit Places using invariants and state equation in 387 ms returned []
Implicit Place search using SMT with State Equation took 614 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 619 ms. Remains : 250/250 places, 250/250 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((X((X(p1)||p0))||F(p2))) U p3))'
Stuttering acceptance computed with spot in 246 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-10
Product exploration explored 100000 steps with 9209 reset in 1428 ms.
Product exploration explored 100000 steps with 10896 reset in 1250 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 178 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 7 to 4
RANDOM walk for 1773 steps (0 resets) in 19 ms. (88 steps per ms) remains 0/4 properties
Knowledge based reduction with 8 factoid took 257 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
[2026-05-26 08:34:26] [INFO ] Invariant cache hit.
[2026-05-26 08:34:27] [INFO ] [Real]Absence check using 100 positive place invariants in 92 ms returned sat
[2026-05-26 08:34:28] [INFO ] [Real]Absence check using state equation in 434 ms returned sat
[2026-05-26 08:34:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:34:29] [INFO ] [Nat]Absence check using 100 positive place invariants in 115 ms returned sat
[2026-05-26 08:34:32] [INFO ] [Nat]Absence check using state equation in 3141 ms returned sat
[2026-05-26 08:34:32] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 17 ms.
[2026-05-26 08:34:32] [INFO ] Added : 7 causal constraints over 2 iterations in 336 ms. Result :sat
Could not prove EG (NOT p3)
Knowledge-based reduction took 6401 ms.
Stuttering acceptance computed with spot in 221 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:32] [INFO ] Invariant cache hit.
[2026-05-26 08:34:32] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-05-26 08:34:32] [INFO ] Invariant cache hit.
[2026-05-26 08:34:33] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 510 ms. Remains : 250/250 places, 250/250 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 8 factoid took 176 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 7 to 4
RANDOM walk for 2051 steps (0 resets) in 27 ms. (73 steps per ms) remains 0/4 properties
Knowledge based reduction with 8 factoid took 280 ms. Reduced automaton from 5 states, 8 edges and 4 AP (stutter sensitive) to 5 states, 8 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 205 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
[2026-05-26 08:34:34] [INFO ] Invariant cache hit.
[2026-05-26 08:34:34] [INFO ] [Real]Absence check using 100 positive place invariants in 100 ms returned sat
[2026-05-26 08:34:35] [INFO ] [Real]Absence check using state equation in 699 ms returned sat
[2026-05-26 08:34:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:34:36] [INFO ] [Nat]Absence check using 100 positive place invariants in 117 ms returned sat
[2026-05-26 08:34:39] [INFO ] [Nat]Absence check using state equation in 3158 ms returned sat
[2026-05-26 08:34:39] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 17 ms.
[2026-05-26 08:34:39] [INFO ] Added : 7 causal constraints over 2 iterations in 327 ms. Result :sat
Could not prove EG (NOT p3)
Knowledge-based reduction took 6702 ms.
Stuttering acceptance computed with spot in 242 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Stuttering acceptance computed with spot in 202 ms :[(NOT p3), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Product exploration explored 100000 steps with 10235 reset in 1351 ms.
Product exploration explored 100000 steps with 9638 reset in 1144 ms.
Spot run failed in 110 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/ltsmin3637137322060641647
[2026-05-26 08:34:43] [INFO ] Built C files in 37ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3637137322060641647
Running compilation step : cd /tmp/ltsmin3637137322060641647;'/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 896 ms.
Running link step : cd /tmp/ltsmin3637137322060641647;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin3637137322060641647;'/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/stateBased12227879756804883370.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:34:58] [INFO ] Invariant cache hit.
[2026-05-26 08:34:58] [INFO ] Implicit Places using invariants in 151 ms returned []
[2026-05-26 08:34:58] [INFO ] Invariant cache hit.
[2026-05-26 08:34:58] [INFO ] Implicit Places using invariants and state equation in 298 ms returned []
Implicit Place search using SMT with State Equation took 461 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 466 ms. Remains : 250/250 places, 250/250 transitions.
Built C files in :
/tmp/ltsmin16807711582628910103
[2026-05-26 08:34:58] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16807711582628910103
Running compilation step : cd /tmp/ltsmin16807711582628910103;'/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 655 ms.
Running link step : cd /tmp/ltsmin16807711582628910103;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin16807711582628910103;'/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/stateBased8095754364452619660.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-26 08:35:13] [INFO ] Flatten gal took : 22 ms
[2026-05-26 08:35:13] [INFO ] Flatten gal took : 23 ms
[2026-05-26 08:35:13] [INFO ] Time to serialize gal into /tmp/LTL13594477380728194912.gal : 8 ms
[2026-05-26 08:35:13] [INFO ] Time to serialize properties into /tmp/LTL10836005738903786354.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL13594477380728194912.gal' '-t' 'CGAL' '-hoa' '/tmp/aut12502706264590121123.hoa' '-atoms' '/tmp/LTL10836005738903786354.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Loading property file /tmp/LTL10836005738903786354.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut12502706264590121123.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
Detected timeout of ITS tools.
[2026-05-26 08:35:28] [INFO ] Flatten gal took : 20 ms
[2026-05-26 08:35:28] [INFO ] Flatten gal took : 19 ms
[2026-05-26 08:35:28] [INFO ] Time to serialize gal into /tmp/LTL170204949929678200.gal : 4 ms
[2026-05-26 08:35:28] [INFO ] Time to serialize properties into /tmp/LTL4477539492400015834.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL170204949929678200.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4477539492400015834.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...274
Read 1 LTL properties
Checking formula 0 : !(((G((X(("((((((Eat_2>=1)||(Eat_0>=1))||((Eat_6>=1)||(Eat_4>=1)))||(((Eat_10>=1)||(Eat_8>=1))||((Eat_14>=1)||(Eat_12>=1))))||((((Eat_...5535
Formula 0 simplified : F(X(!"((((((Eat_2>=1)||(Eat_0>=1))||((Eat_6>=1)||(Eat_4>=1)))||(((Eat_10>=1)||(Eat_8>=1))||((Eat_14>=1)||(Eat_12>=1))))||((((Eat_18>...5520
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
Detected timeout of ITS tools.
[2026-05-26 08:35:43] [INFO ] Flatten gal took : 18 ms
[2026-05-26 08:35:43] [INFO ] Applying decomposition
[2026-05-26 08:35:43] [INFO ] Flatten gal took : 19 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15244950371604159678.txt' '-o' '/tmp/graph15244950371604159678.bin' '-w' '/tmp/graph15244950371604159678.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15244950371604159678.bin' '-l' '-1' '-v' '-w' '/tmp/graph15244950371604159678.weights' '-q' '0' '-e' '0.001'
[2026-05-26 08:35:44] [INFO ] Decomposing Gal with order
[2026-05-26 08:35:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 08:35:44] [INFO ] Removed a total of 50 redundant transitions.
[2026-05-26 08:35:44] [INFO ] Flatten gal took : 81 ms
[2026-05-26 08:35:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 162 labels/synchronizations in 17 ms.
[2026-05-26 08:35:44] [INFO ] Time to serialize gal into /tmp/LTL3277378277101368424.gal : 9 ms
[2026-05-26 08:35:44] [INFO ] Time to serialize properties into /tmp/LTL7360008900514730875.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3277378277101368424.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7360008900514730875.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !(((G((X(("((((((i0.u7.Eat_2>=1)||(i0.u36.Eat_0>=1))||((i1.i1.u0.Eat_6>=1)||(i1.i0.u9.Eat_4>=1)))||(((i2.i1.u39.Eat_10>=1)||(i2.i0.u11...8820
Formula 0 simplified : F(X(!"((((((i0.u7.Eat_2>=1)||(i0.u36.Eat_0>=1))||((i1.i1.u0.Eat_6>=1)||(i1.i0.u9.Eat_4>=1)))||(((i2.i1.u39.Eat_10>=1)||(i2.i0.u11.Ea...8805
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
Detected timeout of ITS tools.
Treatment of property Philosophers-COL-000050-LTLFireability-10 finished in 96874 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 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:35:59] [INFO ] Invariant cache hit.
[2026-05-26 08:35:59] [INFO ] Implicit Places using invariants in 194 ms returned []
[2026-05-26 08:35:59] [INFO ] Invariant cache hit.
[2026-05-26 08:35:59] [INFO ] Implicit Places using invariants and state equation in 269 ms returned []
Implicit Place search using SMT with State Equation took 465 ms to find 0 implicit places.
[2026-05-26 08:35:59] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 485 ms. Remains : 250/250 places, 250/250 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 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-11
Product exploration explored 100000 steps with 668 reset in 790 ms.
Product exploration explored 100000 steps with 677 reset in 848 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 55 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 665 steps (0 resets) in 9 ms. (66 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 59 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 84 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 243 ms.
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 9 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:36:01] [INFO ] Invariant cache hit.
[2026-05-26 08:36:02] [INFO ] Implicit Places using invariants in 161 ms returned []
[2026-05-26 08:36:02] [INFO ] Invariant cache hit.
[2026-05-26 08:36:02] [INFO ] Implicit Places using invariants and state equation in 295 ms returned []
Implicit Place search using SMT with State Equation took 458 ms to find 0 implicit places.
[2026-05-26 08:36:02] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 474 ms. Remains : 250/250 places, 250/250 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 60 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 508 steps (0 resets) in 12 ms. (39 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 73 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 85 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 257 ms.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 675 reset in 789 ms.
Product exploration explored 100000 steps with 675 reset in 845 ms.
Built C files in :
/tmp/ltsmin17776595882344430589
[2026-05-26 08:36:04] [INFO ] Computing symmetric may disable matrix : 250 transitions.
[2026-05-26 08:36:04] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:04] [INFO ] Computing symmetric may enable matrix : 250 transitions.
[2026-05-26 08:36:04] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:04] [INFO ] Computing Do-Not-Accords matrix : 250 transitions.
[2026-05-26 08:36:04] [INFO ] Computation of Completed DNA matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:04] [INFO ] Built C files in 49ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17776595882344430589
Running compilation step : cd /tmp/ltsmin17776595882344430589;'/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 768 ms.
Running link step : cd /tmp/ltsmin17776595882344430589;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin17776595882344430589;'/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/stateBased14468299175022399749.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 9 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:36:19] [INFO ] Invariant cache hit.
[2026-05-26 08:36:19] [INFO ] Implicit Places using invariants in 161 ms returned []
[2026-05-26 08:36:19] [INFO ] Invariant cache hit.
[2026-05-26 08:36:20] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
[2026-05-26 08:36:20] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 489 ms. Remains : 250/250 places, 250/250 transitions.
Built C files in :
/tmp/ltsmin14307988057751861366
[2026-05-26 08:36:20] [INFO ] Computing symmetric may disable matrix : 250 transitions.
[2026-05-26 08:36:20] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:20] [INFO ] Computing symmetric may enable matrix : 250 transitions.
[2026-05-26 08:36:20] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:20] [INFO ] Computing Do-Not-Accords matrix : 250 transitions.
[2026-05-26 08:36:20] [INFO ] Computation of Completed DNA matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:36:20] [INFO ] Built C files in 32ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14307988057751861366
Running compilation step : cd /tmp/ltsmin14307988057751861366;'/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 912 ms.
Running link step : cd /tmp/ltsmin14307988057751861366;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin14307988057751861366;'/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/stateBased2332624161338309155.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-26 08:36:35] [INFO ] Flatten gal took : 15 ms
[2026-05-26 08:36:35] [INFO ] Flatten gal took : 14 ms
[2026-05-26 08:36:35] [INFO ] Time to serialize gal into /tmp/LTL3805219326461586738.gal : 3 ms
[2026-05-26 08:36:35] [INFO ] Time to serialize properties into /tmp/LTL4654116224473705654.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3805219326461586738.gal' '-t' 'CGAL' '-hoa' '/tmp/aut1420875168304397682.hoa' '-atoms' '/tmp/LTL4654116224473705654.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL4654116224473705654.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut1420875168304397682.hoa
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
3 unique states visited
3 strongly connected components in search stack
4 transitions explored
3 items max in DFS search stack
414 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,4.17957,106296,1,0,85,470878,24,57,6550,469195,154
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Philosophers-COL-000050-LTLFireability-11 FALSE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property Philosophers-COL-000050-LTLFireability-11 finished in 40484 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(((G(p2)||p1)&&p0))&&(p2 U X(X(!p3)))))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:36:39] [INFO ] Invariant cache hit.
[2026-05-26 08:36:40] [INFO ] Implicit Places using invariants in 118 ms returned []
[2026-05-26 08:36:40] [INFO ] Invariant cache hit.
[2026-05-26 08:36:40] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 367 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 369 ms. Remains : 250/250 places, 250/250 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(((G(p2)||p1)&&p0))&&(p2 U X(X(!p3)))))'
Stuttering acceptance computed with spot in 334 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-12
Product exploration explored 100000 steps with 30348 reset in 2165 ms.
Product exploration explored 100000 steps with 30369 reset in 2218 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 10 factoid took 268 ms. Reduced automaton from 9 states, 16 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 634 steps (0 resets) in 21 ms. (28 steps per ms) remains 0/10 properties
Knowledge based reduction with 10 factoid took 374 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 328 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
[2026-05-26 08:36:46] [INFO ] Invariant cache hit.
[2026-05-26 08:36:47] [INFO ] [Real]Absence check using 100 positive place invariants in 514 ms returned sat
[2026-05-26 08:36:56] [INFO ] [Real]Absence check using state equation in 8438 ms returned sat
[2026-05-26 08:36:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:36:57] [INFO ] [Nat]Absence check using 100 positive place invariants in 84 ms returned sat
[2026-05-26 08:36:57] [INFO ] [Nat]Absence check using state equation in 435 ms returned sat
[2026-05-26 08:36:57] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-26 08:36:57] [INFO ] Added : 8 causal constraints over 2 iterations in 96 ms. Result :sat
Could not prove EG (NOT p0)
[2026-05-26 08:36:57] [INFO ] Invariant cache hit.
[2026-05-26 08:36:58] [INFO ] [Real]Absence check using 100 positive place invariants in 124 ms returned sat
[2026-05-26 08:36:59] [INFO ] [Real]Absence check using state equation in 1248 ms returned sat
[2026-05-26 08:36:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:37:00] [INFO ] [Nat]Absence check using 100 positive place invariants in 67 ms returned sat
[2026-05-26 08:37:00] [INFO ] [Nat]Absence check using state equation in 357 ms returned sat
[2026-05-26 08:37:00] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 18 ms.
[2026-05-26 08:37:01] [INFO ] Added : 9 causal constraints over 2 iterations in 90 ms. Result :sat
Could not prove EG p3
Knowledge-based reduction took 16054 ms.
Stuttering acceptance computed with spot in 284 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 2 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:37:01] [INFO ] Invariant cache hit.
[2026-05-26 08:37:01] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-26 08:37:01] [INFO ] Invariant cache hit.
[2026-05-26 08:37:01] [INFO ] Implicit Places using invariants and state equation in 246 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 375 ms. Remains : 250/250 places, 250/250 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 9 factoid took 302 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
RANDOM walk for 661 steps (0 resets) in 24 ms. (26 steps per ms) remains 0/10 properties
Knowledge based reduction with 9 factoid took 344 ms. Reduced automaton from 8 states, 12 edges and 4 AP (stutter sensitive) to 8 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 275 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
[2026-05-26 08:37:02] [INFO ] Invariant cache hit.
[2026-05-26 08:37:04] [INFO ] [Real]Absence check using 100 positive place invariants in 524 ms returned sat
[2026-05-26 08:37:13] [INFO ] [Real]Absence check using state equation in 8704 ms returned sat
[2026-05-26 08:37:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:37:14] [INFO ] [Nat]Absence check using 100 positive place invariants in 84 ms returned sat
[2026-05-26 08:37:14] [INFO ] [Nat]Absence check using state equation in 432 ms returned sat
[2026-05-26 08:37:14] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-26 08:37:14] [INFO ] Added : 8 causal constraints over 2 iterations in 98 ms. Result :sat
Could not prove EG (NOT p0)
[2026-05-26 08:37:14] [INFO ] Invariant cache hit.
[2026-05-26 08:37:15] [INFO ] [Real]Absence check using 100 positive place invariants in 124 ms returned sat
[2026-05-26 08:37:16] [INFO ] [Real]Absence check using state equation in 1262 ms returned sat
[2026-05-26 08:37:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 08:37:17] [INFO ] [Nat]Absence check using 100 positive place invariants in 66 ms returned sat
[2026-05-26 08:37:17] [INFO ] [Nat]Absence check using state equation in 349 ms returned sat
[2026-05-26 08:37:17] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 18 ms.
[2026-05-26 08:37:17] [INFO ] Added : 9 causal constraints over 2 iterations in 89 ms. Result :sat
Could not prove EG p3
Knowledge-based reduction took 15995 ms.
Stuttering acceptance computed with spot in 375 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
Stuttering acceptance computed with spot in 349 ms :[(OR (NOT p0) p3 (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), p3, true, p3, p3]
Product exploration explored 100000 steps with 30271 reset in 1786 ms.
Stack based approach found an accepted trace after 84420 steps with 25671 reset with depth 5 and stack size 5 in 1499 ms.
FORMULA Philosophers-COL-000050-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-12 finished in 41891 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((F(G(!p0))&&(X(F(p2))||p1)))))'
Support contains 200 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 2 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:37:21] [INFO ] Invariant cache hit.
[2026-05-26 08:37:21] [INFO ] Implicit Places using invariants in 140 ms returned []
[2026-05-26 08:37:21] [INFO ] Invariant cache hit.
[2026-05-26 08:37:22] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 396 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 398 ms. Remains : 250/250 places, 250/250 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((F(G(p0))&&(X(F(p2))||p1)))))'
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-13
Stuttering criterion allowed to conclude after 4043 steps with 0 reset in 28 ms.
FORMULA Philosophers-COL-000050-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-13 finished in 668 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(!p1) U (X(G(!p1))||(X(!p1)&&((p1 U !p3)||p2))))&&p0))))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 1 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:37:22] [INFO ] Invariant cache hit.
[2026-05-26 08:37:22] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-26 08:37:22] [INFO ] Invariant cache hit.
[2026-05-26 08:37:22] [INFO ] Implicit Places using invariants and state equation in 384 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 546 ms. Remains : 250/250 places, 250/250 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(!p1) U (X(G(!p1))||(X(!p1)&&((p1 U !p3)||p2))))&&p0))))'
Stuttering acceptance computed with spot in 255 ms :[true, p1, (OR (NOT p0) p1), p1, p1, (OR (NOT p0) p1), (OR (NOT p0) p1)]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-14
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000050-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLFireability-14 finished in 843 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)) U ((p0 U X(G(p1))) U X(p2))))'
Support contains 200 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 2 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
[2026-05-26 08:37:23] [INFO ] Invariant cache hit.
[2026-05-26 08:37:23] [INFO ] Implicit Places using invariants in 99 ms returned []
[2026-05-26 08:37:23] [INFO ] Invariant cache hit.
[2026-05-26 08:37:23] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 368 ms. Remains : 250/250 places, 250/250 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(p0)) U ((p0 U X(G(p1))) U X(p2))))'
Stuttering acceptance computed with spot in 462 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), true, (NOT p2), (NOT p2), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Philosophers-COL-000050-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 1027 ms.
Product exploration explored 100000 steps with 50000 reset in 1141 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 26 factoid took 13 ms. Proved property starting from automaton with 12 states, 36 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 321 ms.
FORMULA Philosophers-COL-000050-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Philosophers-COL-000050-LTLFireability-15 finished in 3379 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((X((X(p1)||p0))||F(p2))) U p3))'
Spot run failed in 56 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-26 08:37:26] [INFO ] Flatten gal took : 15 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin2754171564440086997
[2026-05-26 08:37:26] [INFO ] Computing symmetric may disable matrix : 250 transitions.
[2026-05-26 08:37:26] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:37:26] [INFO ] Computing symmetric may enable matrix : 250 transitions.
[2026-05-26 08:37:26] [INFO ] Applying decomposition
[2026-05-26 08:37:26] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:37:26] [INFO ] Flatten gal took : 14 ms
[2026-05-26 08:37:26] [INFO ] Computing Do-Not-Accords matrix : 250 transitions.
[2026-05-26 08:37:26] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 08:37:26] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2754171564440086997
Running compilation step : cd /tmp/ltsmin2754171564440086997;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14622981019576766122.txt' '-o' '/tmp/graph14622981019576766122.bin' '-w' '/tmp/graph14622981019576766122.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14622981019576766122.bin' '-l' '-1' '-v' '-w' '/tmp/graph14622981019576766122.weights' '-q' '0' '-e' '0.001'
[2026-05-26 08:37:26] [INFO ] Decomposing Gal with order
[2026-05-26 08:37:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 08:37:26] [INFO ] Removed a total of 50 redundant transitions.
[2026-05-26 08:37:26] [INFO ] Flatten gal took : 34 ms
[2026-05-26 08:37:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 164 labels/synchronizations in 8 ms.
[2026-05-26 08:37:26] [INFO ] Time to serialize gal into /tmp/LTLFireability13814461198569707550.gal : 6 ms
[2026-05-26 08:37:26] [INFO ] Time to serialize properties into /tmp/LTLFireability1093631441706315278.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability13814461198569707550.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability1093631441706315278.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !(((G((X(("((((((i2.i1.u31.Eat_2>=1)||(i2.i0.u6.Eat_0>=1))||((i8.i0.u7.Eat_6>=1)||(i3.u33.Eat_4>=1)))||(((i0.i1.u9.Eat_10>=1)||(i8.i1....8929
Formula 0 simplified : F(X(!"((((((i2.i1.u31.Eat_2>=1)||(i2.i0.u6.Eat_0>=1))||((i8.i0.u7.Eat_6>=1)||(i3.u33.Eat_4>=1)))||(((i0.i1.u9.Eat_10>=1)||(i8.i1.u8....8914
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
Compilation finished in 934 ms.
Running link step : cd /tmp/ltsmin2754171564440086997;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 40 ms.
Running LTSmin : cd /tmp/ltsmin2754171564440086997;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '([]((X((X((LTLAPp1==true))||(LTLAPp0==true)))||<>((LTLAPp2==true)))) U (LTLAPp3==true))' '--buchi-type=spotba'
50 unique states visited
50 strongly connected components in search stack
50 transitions explored
50 items max in DFS search stack
3210 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,32.1662,400880,1,0,675055,456,1913,1.21369e+06,245,2040,402617
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Philosophers-COL-000050-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 260875 ms.

BK_STOP 1779784681700

--------------------
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="Philosophers-COL-000050"
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 Philosophers-COL-000050, 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 r210-smll-177969941900028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000050.tgz
mv Philosophers-COL-000050 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 ;