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-177969941900004.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-000005, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-smll-177969941900004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 4.7K Mar 5 12:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 5 12:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 5 12:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 4.0K Mar 16 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 13K Mar 5 12:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 5 12:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 5 12:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K 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 9.7K 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-000005-LTLFireability-00
FORMULA_NAME Philosophers-COL-000005-LTLFireability-01
FORMULA_NAME Philosophers-COL-000005-LTLFireability-02
FORMULA_NAME Philosophers-COL-000005-LTLFireability-03
FORMULA_NAME Philosophers-COL-000005-LTLFireability-04
FORMULA_NAME Philosophers-COL-000005-LTLFireability-05
FORMULA_NAME Philosophers-COL-000005-LTLFireability-06
FORMULA_NAME Philosophers-COL-000005-LTLFireability-07
FORMULA_NAME Philosophers-COL-000005-LTLFireability-08
FORMULA_NAME Philosophers-COL-000005-LTLFireability-09
FORMULA_NAME Philosophers-COL-000005-LTLFireability-10
FORMULA_NAME Philosophers-COL-000005-LTLFireability-11
FORMULA_NAME Philosophers-COL-000005-LTLFireability-12
FORMULA_NAME Philosophers-COL-000005-LTLFireability-13
FORMULA_NAME Philosophers-COL-000005-LTLFireability-14
FORMULA_NAME Philosophers-COL-000005-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779782201111

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-000005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 07:56:43] [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 07:56:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 07:56:43] [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 07:56:44] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 07:56:45] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1239 ms
[2026-05-26 07:56:45] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 25 PT places and 25.0 transition bindings in 36 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 07:56:45] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 9 ms.
[2026-05-26 07:56:45] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Philosophers-COL-000005-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 7 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 6 to 3
RANDOM walk for 2899 steps (413 resets) in 65 ms. (43 steps per ms) remains 0/3 properties
[2026-05-26 07:56:45] [INFO ] Flatten gal took : 30 ms
[2026-05-26 07:56:45] [INFO ] Flatten gal took : 4 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 5) 5) 5)]] contains successor/predecessor on variables of sort Philo
[2026-05-26 07:56:45] [INFO ] Unfolded HLPN to a Petri net with 25 places and 25 transitions 80 arcs in 27 ms.
[2026-05-26 07:56:45] [INFO ] Unfolded 15 HLPN properties in 0 ms.
Support contains 25 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 9 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (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-1704052717372909712.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13651730454158659538.kers'
[2026-05-26 07:56:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1704052717372909712.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13651730454158659538.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 25 rows 25 cols 80 entries
Finished phase 1 with 15 SingleSign rule and 0 generalized
[2026-05-26 07:56:46] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13651730454158659538.kers
Total runtime 2 ms.
[2026-05-26 07:56:46] [INFO ] Implicit Places using invariants in 290 ms returned []
[2026-05-26 07:56:46] [INFO ] Invariant cache hit.
[2026-05-26 07:56:46] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 449 ms to find 0 implicit places.
Running 15 sub problems to find dead transitions.
[2026-05-26 07:56:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 25/50 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 50/50 variables, and 35 constraints, problems are : Problem set: 0 solved, 15 unsolved in 760 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 25/50 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 15/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 50/50 variables, and 50 constraints, problems are : Problem set: 0 solved, 15 unsolved in 601 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1399ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 1414ms
Finished structural reductions in LTL mode , in 1 iterations and 1918 ms. Remains : 25/25 places, 25/25 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:47] [INFO ] Invariant cache hit.
[2026-05-26 07:56:47] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-26 07:56:47] [INFO ] Invariant cache hit.
[2026-05-26 07:56:47] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 106 ms. Remains : 25/25 places, 25/25 transitions.
Support contains 25 out of 25 places after structural reductions.
[2026-05-26 07:56:47] [INFO ] Flatten gal took : 9 ms
[2026-05-26 07:56:48] [INFO ] Flatten gal took : 12 ms
[2026-05-26 07:56:48] [INFO ] Input system was already deterministic with 25 transitions.
Reduction of identical properties reduced properties to check from 10 to 5
RANDOM walk for 31 steps (0 resets) in 8 ms. (3 steps per ms) remains 0/5 properties
FORMULA Philosophers-COL-000005-LTLFireability-05 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' '!(((p0 U X(X(!p0)))||X(X((!p0||F(p1))))))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:48] [INFO ] Invariant cache hit.
[2026-05-26 07:56:48] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-26 07:56:48] [INFO ] Invariant cache hit.
[2026-05-26 07:56:48] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 123 ms. Remains : 25/25 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(!p0)))||X(X((!p0||F(p1))))))'
Stuttering acceptance computed with spot in 632 ms :[(NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND p0 (NOT p1)), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-00
Product exploration explored 100000 steps with 30189 reset in 595 ms.
Stack based approach found an accepted trace after 2631 steps with 781 reset with depth 5 and stack size 5 in 15 ms.
FORMULA Philosophers-COL-000005-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-00 finished in 1499 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((p0&&X(p0))) U (p0&&F(!p0))))'
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:50] [INFO ] Invariant cache hit.
[2026-05-26 07:56:50] [INFO ] Implicit Places using invariants in 69 ms returned []
[2026-05-26 07:56:50] [INFO ] Invariant cache hit.
[2026-05-26 07:56:50] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 175 ms. Remains : 25/25 places, 25/25 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)&&p0)) U (F(!p0)&&p0)))'
Stuttering acceptance computed with spot in 228 ms :[p0, true, true, true, true]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-01
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-01 finished in 449 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((X(X((p0 U X(p0)))) U (p1&&G(!p2))))))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:50] [INFO ] Invariant cache hit.
[2026-05-26 07:56:50] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-26 07:56:50] [INFO ] Invariant cache hit.
[2026-05-26 07:56:50] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 131 ms. Remains : 25/25 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((X(X((p0 U X(p0)))) U (G(!p1)&&p2)))))'
Stuttering acceptance computed with spot in 649 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p0) (NOT p2) p1), (AND p1 (NOT p0)), p1, (NOT p0), (NOT p0), (NOT p0), true, (AND p1 (NOT p0)), (AND p1 (NOT p0)), (AND (NOT p0) p1), p1]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-02
Entered a terminal (fully accepting) state of product in 12 steps with 1 reset in 1 ms.
FORMULA Philosophers-COL-000005-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-02 finished in 892 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)))&&(G((X(!p0)||p1)) U !p0)))'
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:51] [INFO ] Invariant cache hit.
[2026-05-26 07:56:51] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-26 07:56:51] [INFO ] Invariant cache hit.
[2026-05-26 07:56:51] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 25/25 places, 25/25 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)))&&(G((X(!p0)||p1)) U !p0)))'
Stuttering acceptance computed with spot in 391 ms :[true, p0, (NOT p0), (AND (NOT p1) p0), p0, true, (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-03 finished in 567 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(G(p1)))))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 5 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:52] [INFO ] Invariant cache hit.
[2026-05-26 07:56:52] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-26 07:56:52] [INFO ] Invariant cache hit.
[2026-05-26 07:56:52] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
[2026-05-26 07:56:52] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 122 ms. Remains : 25/25 places, 25/25 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(G(p1)))))'
Stuttering acceptance computed with spot in 163 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-06
Product exploration explored 100000 steps with 4744 reset in 325 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 1 ms.
FORMULA Philosophers-COL-000005-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-06 finished in 649 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 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:52] [INFO ] Invariant cache hit.
[2026-05-26 07:56:52] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-26 07:56:52] [INFO ] Invariant cache hit.
[2026-05-26 07:56:52] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2026-05-26 07:56:52] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112 ms. Remains : 25/25 places, 25/25 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 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-07
Product exploration explored 100000 steps with 12643 reset in 322 ms.
Stack based approach found an accepted trace after 458 steps with 56 reset with depth 10 and stack size 9 in 3 ms.
FORMULA Philosophers-COL-000005-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-07 finished in 550 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(X(X(G(p1))))))))&&p0)))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 107 ms. Remains : 25/25 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(X(X(X(X(G(p1))))))))&&p0)))'
Stuttering acceptance computed with spot in 389 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (OR (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-08
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-08 finished in 537 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 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2026-05-26 07:56:53] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 105 ms. Remains : 25/25 places, 25/25 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-000005-LTLFireability-09
Stuttering criterion allowed to conclude after 110 steps with 25 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-09 finished in 172 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X((G(p0)||F(G(!p1)))))))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:53] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-26 07:56:53] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 25/25 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X((G(p0)||F(G(p1)))))))'
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-10
Stuttering criterion allowed to conclude after 210 steps with 17 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-10 finished in 290 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 (X((G(p2) U (!p3&&G(p2))))||p1))))'
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 73 ms. Remains : 25/25 places, 25/25 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 (X((G(p2) U (!p3&&G(p2))))||p1))))'
Stuttering acceptance computed with spot in 409 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-11
Stuttering criterion allowed to conclude after 48 steps with 9 reset in 1 ms.
FORMULA Philosophers-COL-000005-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-11 finished in 539 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 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 7 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-26 07:56:54] [INFO ] Invariant cache hit.
[2026-05-26 07:56:54] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
[2026-05-26 07:56:54] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 157 ms. Remains : 25/25 places, 25/25 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 42 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-12
Stuttering criterion allowed to conclude after 29 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000005-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-12 finished in 245 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((X(X((X(G((p2||X(G(p2)))))&&p1)))&&p0)))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:55] [INFO ] Invariant cache hit.
[2026-05-26 07:56:55] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-26 07:56:55] [INFO ] Invariant cache hit.
[2026-05-26 07:56:55] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 25/25 places, 25/25 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((X(X((X(G((p2||X(G(p2)))))&&p1)))&&p0)))'
Stuttering acceptance computed with spot in 936 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-13
Product exploration explored 100000 steps with 2772 reset in 495 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 1 ms.
FORMULA Philosophers-COL-000005-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-13 finished in 1562 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((!p0||F(!p1)||G(p2))))'
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:56] [INFO ] Invariant cache hit.
[2026-05-26 07:56:56] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-26 07:56:56] [INFO ] Invariant cache hit.
[2026-05-26 07:56:56] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 99 ms. Remains : 25/25 places, 25/25 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||G(p1)||p2)))'
Stuttering acceptance computed with spot in 212 ms :[(NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-14
Product exploration explored 100000 steps with 26873 reset in 337 ms.
Stack based approach found an accepted trace after 2488 steps with 653 reset with depth 12 and stack size 12 in 13 ms.
FORMULA Philosophers-COL-000005-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-14 finished in 709 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((p0||G(p1))))'
Support contains 15 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 25/25 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2026-05-26 07:56:57] [INFO ] Invariant cache hit.
[2026-05-26 07:56:57] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-26 07:56:57] [INFO ] Invariant cache hit.
[2026-05-26 07:56:57] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 125 ms. Remains : 25/25 places, 25/25 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)||p1)))'
Stuttering acceptance computed with spot in 198 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Philosophers-COL-000005-LTLFireability-15
Entered a terminal (fully accepting) state of product in 10 steps with 1 reset in 1 ms.
FORMULA Philosophers-COL-000005-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000005-LTLFireability-15 finished in 366 ms.
All properties solved by simple procedures.
Total runtime 14097 ms.

BK_STOP 1779782217712

--------------------
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-000005"
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-000005, 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-177969941900004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000005.tgz
mv Philosophers-COL-000005 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 ;