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-177969941900012.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Philosophers-COL-000010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.7K Mar 5 12:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 12:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 5 12:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 5 12:22 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 3.8K Mar 16 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 16 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 16 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 12:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 5 12:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 5 12:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 5 12:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 16 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:35 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 9.9K 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-000010-LTLFireability-00
FORMULA_NAME Philosophers-COL-000010-LTLFireability-01
FORMULA_NAME Philosophers-COL-000010-LTLFireability-02
FORMULA_NAME Philosophers-COL-000010-LTLFireability-03
FORMULA_NAME Philosophers-COL-000010-LTLFireability-04
FORMULA_NAME Philosophers-COL-000010-LTLFireability-05
FORMULA_NAME Philosophers-COL-000010-LTLFireability-06
FORMULA_NAME Philosophers-COL-000010-LTLFireability-07
FORMULA_NAME Philosophers-COL-000010-LTLFireability-08
FORMULA_NAME Philosophers-COL-000010-LTLFireability-09
FORMULA_NAME Philosophers-COL-000010-LTLFireability-10
FORMULA_NAME Philosophers-COL-000010-LTLFireability-11
FORMULA_NAME Philosophers-COL-000010-LTLFireability-12
FORMULA_NAME Philosophers-COL-000010-LTLFireability-13
FORMULA_NAME Philosophers-COL-000010-LTLFireability-14
FORMULA_NAME Philosophers-COL-000010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779782301224

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-000010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 07:58:23] [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 07:58:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 07:58:23] [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 07:58:24] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 07:58:24] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 995 ms
[2026-05-26 07:58:24] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 50 PT places and 50.0 transition bindings in 28 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 07:58:25] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 14 ms.
[2026-05-26 07:58:25] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Philosophers-COL-000010-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000010-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000010-LTLFireability-12 TRUE 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 76 steps (6 resets) in 8 ms. (8 steps per ms) remains 0/2 properties
[2026-05-26 07:58:25] [INFO ] Flatten gal took : 30 ms
[2026-05-26 07:58:25] [INFO ] Flatten gal took : 5 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 10) 10) 10)]] contains successor/predecessor on variables of sort Philo
[2026-05-26 07:58:25] [INFO ] Unfolded HLPN to a Petri net with 50 places and 50 transitions 160 arcs in 34 ms.
[2026-05-26 07:58:25] [INFO ] Unfolded 13 HLPN properties in 1 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Philosophers-COL-000010-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000010-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 50 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 10 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (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-18334149070350959848.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11585272282856184897.kers'
[2026-05-26 07:58:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18334149070350959848.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11585272282856184897.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 50 rows 50 cols 160 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-26 07:58:25] [INFO ] Computed 20 invariants in 0 ms
Computed 20 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11585272282856184897.kers
Total runtime 2 ms.
[2026-05-26 07:58:26] [INFO ] Implicit Places using invariants in 390 ms returned []
[2026-05-26 07:58:26] [INFO ] Invariant cache hit.
[2026-05-26 07:58:26] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 612 ms to find 0 implicit places.
Running 30 sub problems to find dead transitions.
[2026-05-26 07:58:26] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (OVERLAPS) 10/50 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 50/100 variables, 50/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 0/100 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 70 constraints, problems are : Problem set: 0 solved, 30 unsolved in 1411 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (OVERLAPS) 10/50 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 50/100 variables, 50/70 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 30/100 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (OVERLAPS) 0/100 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 100 constraints, problems are : Problem set: 0 solved, 30 unsolved in 1269 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 50/50 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2739ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 2759ms
Finished structural reductions in LTL mode , in 1 iterations and 3432 ms. Remains : 50/50 places, 50/50 transitions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:29] [INFO ] Invariant cache hit.
[2026-05-26 07:58:29] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-26 07:58:29] [INFO ] Invariant cache hit.
[2026-05-26 07:58:29] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 151 ms. Remains : 50/50 places, 50/50 transitions.
Support contains 50 out of 50 places after structural reductions.
[2026-05-26 07:58:29] [INFO ] Flatten gal took : 25 ms
[2026-05-26 07:58:29] [INFO ] Flatten gal took : 27 ms
[2026-05-26 07:58:29] [INFO ] Input system was already deterministic with 50 transitions.
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 46 steps (0 resets) in 10 ms. (4 steps per ms) remains 0/8 properties
FORMULA Philosophers-COL-000010-LTLFireability-11 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(p0)&&F((!p0||X(X(F(p1))))))))'
Support contains 30 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:29] [INFO ] Invariant cache hit.
[2026-05-26 07:58:29] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-26 07:58:29] [INFO ] Invariant cache hit.
[2026-05-26 07:58:30] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 140 ms. Remains : 50/50 places, 50/50 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)&&F((!p0||X(X(F(p1))))))))'
Stuttering acceptance computed with spot in 402 ms :[(NOT p0), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), true]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 2 ms.
FORMULA Philosophers-COL-000010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-01 finished in 641 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)&&F(p1))))'
Support contains 30 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 7 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:30] [INFO ] Invariant cache hit.
[2026-05-26 07:58:30] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-26 07:58:30] [INFO ] Invariant cache hit.
[2026-05-26 07:58:30] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
[2026-05-26 07:58:30] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 161 ms. Remains : 50/50 places, 50/50 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)&&F(p1))))'
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-03
Stuttering criterion allowed to conclude after 1545 steps with 218 reset in 56 ms.
FORMULA Philosophers-COL-000010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-03 finished in 397 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)) U (!p0&&F((G(F(p0))||(!p1&&F(p0)))))))'
Support contains 30 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 6 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:30] [INFO ] Invariant cache hit.
[2026-05-26 07:58:30] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-26 07:58:30] [INFO ] Invariant cache hit.
[2026-05-26 07:58:30] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2026-05-26 07:58:31] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 148 ms. Remains : 50/50 places, 50/50 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)) U (!p0&&F((G(F(p0))||(!p1&&F(p0)))))))'
Stuttering acceptance computed with spot in 154 ms :[true, p0, (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-04
Stuttering criterion allowed to conclude after 47 steps with 1 reset in 1 ms.
FORMULA Philosophers-COL-000010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-04 finished in 342 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 20 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:31] [INFO ] Invariant cache hit.
[2026-05-26 07:58:31] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-26 07:58:31] [INFO ] Invariant cache hit.
[2026-05-26 07:58:31] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
[2026-05-26 07:58:31] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 136 ms. Remains : 50/50 places, 50/50 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 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-05
Product exploration explored 100000 steps with 8274 reset in 862 ms.
Stack based approach found an accepted trace after 33 steps with 1 reset with depth 21 and stack size 21 in 1 ms.
FORMULA Philosophers-COL-000010-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-05 finished in 1119 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(p0)&&G(!p1)) U X(X(X(p2))))))'
Support contains 30 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:32] [INFO ] Invariant cache hit.
[2026-05-26 07:58:32] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-26 07:58:32] [INFO ] Invariant cache hit.
[2026-05-26 07:58:32] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 167 ms. Remains : 50/50 places, 50/50 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(p0)&&G(!p1)) U X(X(X(p2))))))'
Stuttering acceptance computed with spot in 742 ms :[(NOT p2), (NOT p2), (OR (NOT p2) p1), (NOT p2), (NOT p2), (OR (NOT p2) p1), p1, (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (OR (NOT p2) p1)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-06
Product exploration explored 100000 steps with 20000 reset in 507 ms.
Product exploration explored 100000 steps with 20000 reset in 463 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 4 factoid took 108 ms. Reduced automaton from 14 states, 28 edges and 3 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 62 steps (0 resets) in 37 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 139 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 217 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2)]
Knowledge-based reduction took 499 ms.
Stuttering acceptance computed with spot in 249 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2)]
Support contains 20 out of 50 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:35] [INFO ] Invariant cache hit.
[2026-05-26 07:58:35] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-26 07:58:35] [INFO ] Invariant cache hit.
[2026-05-26 07:58:35] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 152 ms. Remains : 50/50 places, 50/50 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 1 factoid took 65 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 63 steps (0 resets) in 7 ms. (7 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 113 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 257 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2)]
Knowledge-based reduction took 443 ms.
Stuttering acceptance computed with spot in 248 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2)]
Stuttering acceptance computed with spot in 247 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2)]
Product exploration explored 100000 steps with 20000 reset in 397 ms.
Product exploration explored 100000 steps with 20000 reset in 386 ms.
Spot run failed in 171 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/ltsmin15621370191923114635
[2026-05-26 07:58:37] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15621370191923114635
Running compilation step : cd /tmp/ltsmin15621370191923114635;'/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 569 ms.
Running link step : cd /tmp/ltsmin15621370191923114635;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 81 ms.
Running LTSmin : cd /tmp/ltsmin15621370191923114635;'/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/stateBased3278701494178654323.hoa' '--buchi-type=spotba'
LTSmin run took 156 ms.
FORMULA Philosophers-COL-000010-LTLFireability-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Philosophers-COL-000010-LTLFireability-06 finished in 5692 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 20 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 5 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:38] [INFO ] Invariant cache hit.
[2026-05-26 07:58:38] [INFO ] Implicit Places using invariants in 126 ms returned []
[2026-05-26 07:58:38] [INFO ] Invariant cache hit.
[2026-05-26 07:58:38] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2026-05-26 07:58:38] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 274 ms. Remains : 50/50 places, 50/50 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 52 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-08
Stuttering criterion allowed to conclude after 271 steps with 0 reset in 2 ms.
FORMULA Philosophers-COL-000010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-08 finished in 367 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&&X(p1))))) U (X(X(X(G((!p0&&X(p1))))))||(X(X(X((!p0&&X(p1)))))&&(!p1 U (p2||G(!p1)))))))'
Support contains 40 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:38] [INFO ] Invariant cache hit.
[2026-05-26 07:58:38] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-26 07:58:38] [INFO ] Invariant cache hit.
[2026-05-26 07:58:38] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 132 ms. Remains : 50/50 places, 50/50 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&&X(p1))))) U (X(X(X(G((!p0&&X(p1))))))||(X(X(X((!p0&&X(p1)))))&&(!p1 U (p2||G(!p1)))))))'
Stuttering acceptance computed with spot in 758 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), (AND p1 (NOT p2) p0), (OR (NOT p1) p0), (AND p1 (NOT p2) p0), (AND (NOT p2) p1 p0), (OR (NOT p1) p0), true, (NOT p1), (AND p1 (NOT p2) p0), false, (NOT p1), (AND (NOT p2) p1 (NOT p0)), false]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-09 finished in 1011 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(G(p1))||p0)))'
Support contains 20 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:39] [INFO ] Invariant cache hit.
[2026-05-26 07:58:39] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-26 07:58:39] [INFO ] Invariant cache hit.
[2026-05-26 07:58:39] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 189 ms. Remains : 50/50 places, 50/50 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(G(p1))||p0)))'
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-10
Product exploration explored 100000 steps with 1373 reset in 402 ms.
Stack based approach found an accepted trace after 62 steps with 1 reset with depth 40 and stack size 40 in 1 ms.
FORMULA Philosophers-COL-000010-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-10 finished in 784 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) U !p1) U (!p2&&F(G(p3))))))'
Support contains 40 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:40] [INFO ] Invariant cache hit.
[2026-05-26 07:58:40] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-26 07:58:40] [INFO ] Invariant cache hit.
[2026-05-26 07:58:40] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 156 ms. Remains : 50/50 places, 50/50 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) U !p1) U (!p2&&F(G(p3))))))'
Stuttering acceptance computed with spot in 289 ms :[(OR (NOT p3) p2), (OR (NOT p3) p2), (NOT p0), p1, (NOT p3)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-14
Stuttering criterion allowed to conclude after 70 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-14 finished in 525 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 20 out of 50 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2026-05-26 07:58:40] [INFO ] Invariant cache hit.
[2026-05-26 07:58:40] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-26 07:58:40] [INFO ] Invariant cache hit.
[2026-05-26 07:58:40] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 196 ms to find 0 implicit places.
[2026-05-26 07:58:40] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 209 ms. Remains : 50/50 places, 50/50 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 49 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000010-LTLFireability-15
Stuttering criterion allowed to conclude after 397 steps with 110 reset in 2 ms.
FORMULA Philosophers-COL-000010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000010-LTLFireability-15 finished in 297 ms.
All properties solved by simple procedures.
Total runtime 17420 ms.

BK_STOP 1779782321062

--------------------
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-000010"
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-000010, 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-177969941900012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000010.tgz
mv Philosophers-COL-000010 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 ;