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-177946901100180.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-000010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901100180
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 10:53 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 3.8K Mar 15 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 13K Mar 6 10:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 10:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 6 10:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 11K 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-000010-LTLFireability-00
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-01
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-02
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-03
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-04
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-05
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-06
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-07
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-08
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-09
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-10
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-11
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-12
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-13
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-14
FORMULA_NAME CircadianClock-PT-000010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779553400421

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircadianClock-PT-000010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 16:23:22] [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]
[2026-05-23 16:23:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:23:23] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-23 16:23:23] [INFO ] Transformed 14 places.
[2026-05-23 16:23:23] [INFO ] Transformed 16 transitions.
[2026-05-23 16:23:23] [INFO ] Parsed PT model containing 14 places and 16 transitions and 58 arcs in 234 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CircadianClock-PT-000010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000010-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000010-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000010-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircadianClock-PT-000010-LTLFireability-13 FALSE 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 11 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:23] [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-5181580653210903459.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7498088442937667419.kers'
[2026-05-23 16:23:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5181580653210903459.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7498088442937667419.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 16:23:23] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7498088442937667419.kers
Total runtime 1 ms.
[2026-05-23 16:23:23] [INFO ] Implicit Places using invariants in 223 ms returned []
[2026-05-23 16:23:23] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:23] [INFO ] Invariant cache hit.
[2026-05-23 16:23:23] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:23] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 360 ms to find 0 implicit places.
Running 14 sub problems to find dead transitions.
[2026-05-23 16:23:23] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:23] [INFO ] Invariant cache hit.
[2026-05-23 16:23:23] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 0/28 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 23 constraints, problems are : Problem set: 0 solved, 14 unsolved in 505 ms.
Refiners :[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, 7/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/28 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 14/37 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 Int declared 28/28 variables, and 37 constraints, problems are : Problem set: 0 solved, 14 unsolved in 496 ms.
Refiners :[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 1049ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 1078ms
Finished structural reductions in LTL mode , in 1 iterations and 1514 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 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:25] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:25] [INFO ] Invariant cache hit.
[2026-05-23 16:23:25] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-23 16:23:25] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:25] [INFO ] Invariant cache hit.
[2026-05-23 16:23:25] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:25] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 14/14 places, 16/16 transitions.
Support contains 14 out of 14 places after structural reductions.
[2026-05-23 16:23:25] [INFO ] Flatten gal took : 30 ms
[2026-05-23 16:23:25] [INFO ] Flatten gal took : 10 ms
[2026-05-23 16:23:25] [INFO ] Input system was already deterministic with 16 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 2286 steps (0 resets) in 75 ms. (30 steps per ms) remains 0/13 properties
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(X(p0))&&((p0 U p1) U 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 16:23:26] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:26] [INFO ] Invariant cache hit.
[2026-05-23 16:23:26] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-23 16:23:26] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:26] [INFO ] Invariant cache hit.
[2026-05-23 16:23:26] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:26] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 141 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))&&((p0 U p1) U X(p2))))'
Stuttering acceptance computed with spot in 631 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p0), true, (NOT p1)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-00
Entered a terminal (fully accepting) state of product in 8 steps with 2 reset in 3 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-00 finished in 999 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(p1))&&(G(!p0)||F(G(!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 16:23:27] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:27] [INFO ] Invariant cache hit.
[2026-05-23 16:23:27] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-23 16:23:27] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:27] [INFO ] Invariant cache hit.
[2026-05-23 16:23:27] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:27] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 202 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)||p1)&&(G(!p1)||F(G(p2))))))'
Stuttering acceptance computed with spot in 296 ms :[(OR (AND (NOT p0) (NOT p1)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND p1 (NOT p2))), (NOT p0), (NOT p2), (AND (NOT p2) p1), true]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 593 ms.
Stack based approach found an accepted trace after 27 steps with 0 reset with depth 28 and stack size 21 in 1 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-01 finished in 1146 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(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 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:28] [INFO ] Invariant cache hit.
[2026-05-23 16:23:28] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-23 16:23:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:28] [INFO ] Invariant cache hit.
[2026-05-23 16:23:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:28] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 71 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((X(X(X(X(p0)))) U (!p1||G(!p0)))))'
Stuttering acceptance computed with spot in 389 ms :[(AND p1 p0), (NOT p0), false, (AND p0 p1), (NOT p0), (NOT p0), (NOT p0), true, false, false, false, p0]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-02
Entered a terminal (fully accepting) state of product in 115 steps with 1 reset in 1 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-02 finished in 503 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(p0)))&&(G(p1)||(p2 U p3)||F(!p0))))'
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 16:23:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:28] [INFO ] Invariant cache hit.
[2026-05-23 16:23:28] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-23 16:23:28] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:28] [INFO ] Invariant cache hit.
[2026-05-23 16:23:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:28] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 108 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(G(p0)))&&(G(p1)||(p2 U p3)||F(!p0))))'
Stuttering acceptance computed with spot in 380 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), p0, (NOT p0), (AND p0 (NOT p1) (NOT p3)), (AND p0 (NOT p3)), (AND p0 (NOT p1)), (NOT p0), true]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-03 finished in 540 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(F(((p0 U p1)&&X(p2)))) U p1)))'
Support contains 2 out of 14 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 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 16:23:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:29] [INFO ] Invariant cache hit.
[2026-05-23 16:23:29] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 16:23:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:29] [INFO ] Invariant cache hit.
[2026-05-23 16:23:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:29] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2026-05-23 16:23:29] [INFO ] Redundant transitions in 19 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 117 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((X(F(((p0 U p1)&&X(p2)))) U p1)))'
Stuttering acceptance computed with spot in 51 ms :[(NOT p1)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-04
Product exploration explored 100000 steps with 3228 reset in 241 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-04 finished in 472 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(((p0 U p1) U X(X(X(p2))))) U 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 2 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:29] [INFO ] Invariant cache hit.
[2026-05-23 16:23:29] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-23 16:23:29] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:29] [INFO ] Invariant cache hit.
[2026-05-23 16:23:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:29] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 111 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((X(((p0 U p1) U X(X(X(p2))))) U p2)))'
Stuttering acceptance computed with spot in 1077 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), true, (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-06
Entered a terminal (fully accepting) state of product in 34 steps with 1 reset in 0 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-06 finished in 1379 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(((!p1&&X(!p1))||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 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:31] [INFO ] Invariant cache hit.
[2026-05-23 16:23:31] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 16:23:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:31] [INFO ] Invariant cache hit.
[2026-05-23 16:23:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:31] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in 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(((X(p1)&&p1)||p0))))'
Stuttering acceptance computed with spot in 135 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-07
Product exploration explored 100000 steps with 13661 reset in 478 ms.
Stack based approach found an accepted trace after 227 steps with 30 reset with depth 17 and stack size 14 in 2 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-07 finished in 777 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 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 4 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:31] [INFO ] Invariant cache hit.
[2026-05-23 16:23:31] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-23 16:23:31] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:31] [INFO ] Invariant cache hit.
[2026-05-23 16:23:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:32] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 213 ms to find 0 implicit places.
[2026-05-23 16:23:32] [INFO ] Redundant transitions in 22 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 256 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 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-08
Product exploration explored 100000 steps with 2419 reset in 195 ms.
Stack based approach found an accepted trace after 44 steps with 1 reset with depth 29 and stack size 29 in 1 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-08 finished in 592 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 16:23:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:32] [INFO ] Invariant cache hit.
[2026-05-23 16:23:32] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-23 16:23:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:32] [INFO ] Invariant cache hit.
[2026-05-23 16:23:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:32] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
[2026-05-23 16:23:32] [INFO ] Redundant transitions in 15 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 139 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 35 ms :[(NOT p0)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 225 ms.
Stack based approach found an accepted trace after 107 steps with 0 reset with depth 108 and stack size 79 in 1 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-11 finished in 431 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(p0 U ((p1 U (!X(p1)||!p0))&&X(X(p2)))))'
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 1 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:32] [INFO ] Invariant cache hit.
[2026-05-23 16:23:32] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 16:23:32] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:32] [INFO ] Invariant cache hit.
[2026-05-23 16:23:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:32] [INFO ] Implicit Places using invariants and state equation in 54 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 95 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' '!(!(p0 U ((p1 U (!X(p1)||!p0))&&X(X(p2)))))'
Stuttering acceptance computed with spot in 430 ms :[p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (OR (NOT p1) (NOT p0)), p2, true, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), p2]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4554 steps with 782 reset in 8 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-14 finished in 570 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&X(X(X(G(p1))))) U X(G(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 0 ms. Remains 14 /14 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2026-05-23 16:23:33] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:33] [INFO ] Invariant cache hit.
[2026-05-23 16:23:33] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-23 16:23:33] [INFO ] Flow matrix only has 14 transitions (discarded 2 similar events)
[2026-05-23 16:23:33] [INFO ] Invariant cache hit.
[2026-05-23 16:23:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 16:23:33] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 106 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' '!(((p0&&X(X(X(G(p1))))) U X(G(p1))))'
Stuttering acceptance computed with spot in 195 ms :[true, (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : CircadianClock-PT-000010-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CircadianClock-PT-000010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircadianClock-PT-000010-LTLFireability-15 finished in 336 ms.
All properties solved by simple procedures.
Total runtime 10800 ms.

BK_STOP 1779553413843

--------------------
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="CircadianClock-PT-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 CircadianClock-PT-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 r050-smll-177946901100180"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircadianClock-PT-000010.tgz
mv CircadianClock-PT-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 ;