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.r050-smll-177946901100171.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 CircadianClock-PT-000001, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100171
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 6 10:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 31K Mar 6 10:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Mar 6 10:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 10:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 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 CircadianClock-PT-000001-LTLCardinality-00
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-01
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-02
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-03
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-04
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-05
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-06
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-07
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-08
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-09
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-10
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-11
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-12
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-13
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-14
FORMULA_NAME CircadianClock-PT-000001-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779553232956

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircadianClock-PT-000001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-23 16:20:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 16:20:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:20:35] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2026-05-23 16:20:35] [INFO ] Transformed 14 places.
[2026-05-23 16:20:35] [INFO ] Transformed 16 transitions.
[2026-05-23 16:20:35] [INFO ] Found NUPN structural information;
[2026-05-23 16:20:35] [INFO ] Parsed PT model containing 14 places and 16 transitions and 58 arcs in 290 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CircadianClock-PT-000001-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000001-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 14 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 15 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:36] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11816370501129524384.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8712005551631734511.kers'
[2026-05-23 16:20:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11816370501129524384.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8712005551631734511.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 14 rows 7 cols 21 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-23 16:20:36] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8712005551631734511.kers
Total runtime 1 ms.
[2026-05-23 16:20:36] [INFO ] Implicit Places using invariants in 262 ms returned []
[2026-05-23 16:20:36] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:36] [INFO ] Invariant cache hit.
[2026-05-23 16:20:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:36] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
Running 14 sub problems to find dead transitions.
[2026-05-23 16:20:36] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:36] [INFO ] Invariant cache hit.
[2026-05-23 16:20:36] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 14/28 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 37 constraints, problems are : Problem set: 0 solved, 14 unsolved in 534 ms.
Refiners :[Domain max(s): 14/14 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 14/28 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 14/51 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/28 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 51 constraints, problems are : Problem set: 0 solved, 14 unsolved in 415 ms.
Refiners :[Domain max(s): 14/14 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 987ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 1001ms
Finished structural reductions in LTL mode , in 1 iterations and 1506 ms. Remains : 14/14 places, 16/16 transitions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:37] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:37] [INFO ] Invariant cache hit.
[2026-05-23 16:20:37] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 16:20:37] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:37] [INFO ] Invariant cache hit.
[2026-05-23 16:20:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:37] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 66 ms. Remains : 14/14 places, 16/16 transitions.
Support contains 14 out of 14 places after structural reductions.
[2026-05-23 16:20:37] [INFO ] Flatten gal took : 21 ms
[2026-05-23 16:20:37] [INFO ] Flatten gal took : 6 ms
[2026-05-23 16:20:37] [INFO ] Input system was already deterministic with 16 transitions.
RANDOM walk for 40000 steps (8 resets) in 1208 ms. (33 steps per ms) remains 2/20 properties
BEST_FIRST walk for 40003 steps (8 resets) in 368 ms. (108 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 272 ms. (146 steps per ms) remains 2/2 properties
[2026-05-23 16:20:38] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:38] [INFO ] Invariant cache hit.
[2026-05-23 16:20:38] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
After SMT solving in domain Real declared 3/28 variables, and 4 constraints, problems are : Problem set: 2 solved, 0 unsolved in 30 ms.
Refiners :[Domain max(s): 3/14 constraints, Positive P Invariants (semi-flows): 1/7 constraints, State Equation: 0/14 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CircadianClock-PT-000001-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 9 simplifications.
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&&(p1 U X(X(X(!p2))))))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:38] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:38] [INFO ] Invariant cache hit.
[2026-05-23 16:20:38] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-23 16:20:38] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:38] [INFO ] Invariant cache hit.
[2026-05-23 16:20:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:38] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 14/14 places, 16/16 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 X(X(X(!p1))))&&p2))))'
Stuttering acceptance computed with spot in 771 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), true, p1, p1, p1, p1, p1, p1, p1, p1, p1]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-00 finished in 1042 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 2 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 6 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:39] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:39] [INFO ] Invariant cache hit.
[2026-05-23 16:20:39] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-23 16:20:39] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:39] [INFO ] Invariant cache hit.
[2026-05-23 16:20:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:39] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-23 16:20:39] [INFO ] Redundant transitions in 19 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 112 ms. Remains : 14/14 places, 16/16 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 : CircadianClock-PT-000001-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 499 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-02 finished in 684 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 p1))))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 3 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:40] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:40] [INFO ] Invariant cache hit.
[2026-05-23 16:20:40] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-23 16:20:40] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:40] [INFO ] Invariant cache hit.
[2026-05-23 16:20:40] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:40] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
[2026-05-23 16:20:40] [INFO ] Redundant transitions in 17 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 126 ms. Remains : 14/14 places, 16/16 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 p1))))'
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-07
Product exploration explored 100000 steps with 5575 reset in 341 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 6 and stack size 6 in 1 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-07 finished in 574 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 p1)))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 147 ms. Remains : 14/14 places, 16/16 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 p1)))'
Stuttering acceptance computed with spot in 180 ms :[(NOT p1), (NOT p1), true, p0]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-08 finished in 364 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((!p0 U (p1||G(!p0))))))))'
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 110 ms. Remains : 14/14 places, 16/16 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((!p0 U (G(!p0)||p1)))))))'
Stuttering acceptance computed with spot in 217 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-09 finished in 368 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)))'
Support contains 2 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-23 16:20:41] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:41] [INFO ] Invariant cache hit.
[2026-05-23 16:20:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:41] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 14/14 places, 16/16 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)))'
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-10 finished in 270 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)&&X(p1)&&(G(p3)||p2))))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 94 ms. Remains : 14/14 places, 16/16 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)&&X(p1)&&(G(p3)||p2))))'
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), true, (NOT p0), (NOT p1), (NOT p3)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-12 finished in 430 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)))'
Support contains 1 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 14/14 places, 16/16 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)))'
Stuttering acceptance computed with spot in 98 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-14 finished in 259 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 1 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 16/16 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 16:20:42] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:20:42] [INFO ] Invariant cache hit.
[2026-05-23 16:20:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:20:42] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
[2026-05-23 16:20:42] [INFO ] Redundant transitions in 19 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 132 ms. Remains : 14/14 places, 16/16 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 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CircadianClock-PT-000001-LTLCardinality-15
Product exploration explored 100000 steps with 6866 reset in 262 ms.
Stack based approach found an accepted trace after 331 steps with 24 reset with depth 22 and stack size 10 in 1 ms.
FORMULA CircadianClock-PT-000001-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000001-LTLCardinality-15 finished in 514 ms.
All properties solved by simple procedures.
Total runtime 7933 ms.

BK_STOP 1779553243350

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="CircadianClock-PT-000001"
export BK_EXAMINATION="LTLCardinality"
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 CircadianClock-PT-000001, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r050-smll-177946901100171"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-000001.tgz
mv CircadianClock-PT-000001 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;