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.r194-tall-177969914300819.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 PGCD-PT-D02N100, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300819
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 7.2K Mar 8 14:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 8 14:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 8 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 8 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 16 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 16 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 8 14:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 8 14:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 8 14:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K Mar 8 14:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 5.6K 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 PGCD-PT-D02N100-LTLCardinality-00
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-01
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-02
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-03
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-04
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-05
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-06
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-07
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-08
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-09
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-10
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-11
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-12
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-13
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-14
FORMULA_NAME PGCD-PT-D02N100-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779837606302

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D02N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-26 23:20:07] [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]
[2026-05-26 23:20:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 23:20:07] [INFO ] Load time of PNML (sax parser for PT used): 28 ms
[2026-05-26 23:20:07] [INFO ] Transformed 9 places.
[2026-05-26 23:20:07] [INFO ] Transformed 9 transitions.
[2026-05-26 23:20:07] [INFO ] Parsed PT model containing 9 places and 9 transitions and 42 arcs in 115 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA PGCD-PT-D02N100-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D02N100-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 7 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13097991968272992025.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13476247057493685859.kers'
[2026-05-26 23:20:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13097991968272992025.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13476247057493685859.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 9 rows 6 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-26 23:20:07] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13476247057493685859.kers
Total runtime 1 ms.
[2026-05-26 23:20:07] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 327ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 338ms
[2026-05-26 23:20:08] [INFO ] Invariant cache hit.
[2026-05-26 23:20:08] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-26 23:20:08] [INFO ] Invariant cache hit.
[2026-05-26 23:20:08] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:20:08] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 469 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:08] [INFO ] Invariant cache hit.
[2026-05-26 23:20:08] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 23:20:08] [INFO ] Invariant cache hit.
[2026-05-26 23:20:08] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-26 23:20:08] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 53 ms. Remains : 9/9 places, 9/9 transitions.
Support contains 9 out of 9 places after structural reductions.
[2026-05-26 23:20:08] [INFO ] Flatten gal took : 12 ms
[2026-05-26 23:20:08] [INFO ] Flatten gal took : 3 ms
[2026-05-26 23:20:08] [INFO ] Input system was already deterministic with 9 transitions.
RANDOM walk for 40273 steps (8 resets) in 165 ms. (242 steps per ms) remains 3/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 59 ms. (666 steps per ms) remains 3/3 properties
[2026-05-26 23:20:08] [INFO ] Invariant cache hit.
[2026-05-26 23:20:08] [INFO ] State equation strengthened by 3 read => feed constraints.
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp22 is UNSAT
After SMT solving in domain Real declared 4/18 variables, and 2 constraints, problems are : Problem set: 3 solved, 0 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 2/3 constraints, State Equation: 0/9 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA PGCD-PT-D02N100-LTLCardinality-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA PGCD-PT-D02N100-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA PGCD-PT-D02N100-LTLCardinality-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 11 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PGCD-PT-D02N100-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 4 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:09] [INFO ] Invariant cache hit.
[2026-05-26 23:20:09] [INFO ] Implicit Places using invariants in 32 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 34 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 39 ms. Remains : 6/9 places, 9/9 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 199 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-00
Product exploration explored 100000 steps with 4 reset in 225 ms.
Stack based approach found an accepted trace after 3237 steps with 0 reset with depth 3238 and stack size 2835 in 6 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-00 finished in 541 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 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 2 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:09] [INFO ] Invariant cache hit.
[2026-05-26 23:20:09] [INFO ] Implicit Places using invariants in 22 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 23 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 6/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 52 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 139 ms.
Stack based approach found an accepted trace after 6871 steps with 0 reset with depth 6872 and stack size 6151 in 10 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-01 finished in 254 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||F(p1)) U X((F(G(p2)) U p3))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:09] [INFO ] Invariant cache hit.
[2026-05-26 23:20:10] [INFO ] Implicit Places using invariants in 25 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 27 ms. Remains : 8/9 places, 9/9 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||F(p1)) U X((F(G(p2)) U p3))))))'
Stuttering acceptance computed with spot in 250 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND p0 (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-02
Product exploration explored 100000 steps with 7763 reset in 88 ms.
Stack based approach found an accepted trace after 13 steps with 2 reset with depth 6 and stack size 6 in 0 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-02 finished in 419 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(G((p0||G(p1))))))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:10] [INFO ] Invariant cache hit.
[2026-05-26 23:20:10] [INFO ] Implicit Places using invariants in 24 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 27 ms. Remains : 8/9 places, 9/9 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(G((p0||G(p1))))))))'
Stuttering acceptance computed with spot in 242 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 21512 steps with 0 reset in 24 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-03 finished in 324 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((p0||X((p1||(p2 U X(X(p3))))))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:10] [INFO ] Invariant cache hit.
[2026-05-26 23:20:10] [INFO ] Implicit Places using invariants in 34 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 8/9 places, 9/9 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((p0||X((p1||(p2 U X(X(p3))))))))'
Stuttering acceptance computed with spot in 328 ms :[(AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), (NOT p3), (NOT p3), true, (NOT p3), (NOT p3)]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 85244 steps with 4 reset in 66 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-04 finished in 474 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((p0||X(F((p0&&F((G(p1)||(!p1&&X((G(p1)||F(p2))))||G(F(p2))))))))))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:11] [INFO ] Invariant cache hit.
[2026-05-26 23:20:11] [INFO ] Implicit Places using invariants in 28 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 8/9 places, 9/9 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((p0||X(F((p0&&F((G(p1)||(!p1&&X((G(p1)||F(p2))))||G(F(p2))))))))))'
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-05
Product exploration explored 100000 steps with 128 reset in 152 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 1 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-05 finished in 454 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||G(p1)))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:11] [INFO ] Invariant cache hit.
[2026-05-26 23:20:11] [INFO ] Implicit Places using invariants in 25 ms returned [6, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 26 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 28 ms. Remains : 7/9 places, 9/9 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||G(p1)))))'
Stuttering acceptance computed with spot in 88 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-07
Product exploration explored 100000 steps with 176 reset in 114 ms.
Stack based approach found an accepted trace after 64 steps with 1 reset with depth 9 and stack size 9 in 0 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-07 finished in 258 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(G((!p1&&X((!p1 U (!p0||G(!p1))))))))))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:11] [INFO ] Invariant cache hit.
[2026-05-26 23:20:11] [INFO ] Implicit Places using invariants in 24 ms returned [6, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 24 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 26 ms. Remains : 7/9 places, 9/9 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(G((p1&&X((p1 U (!p0||G(p1))))))))))'
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-10
Product exploration explored 100000 steps with 7610 reset in 71 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 10 in 0 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-10 finished in 280 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:12] [INFO ] Invariant cache hit.
[2026-05-26 23:20:12] [INFO ] Implicit Places using invariants in 34 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 35 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 6/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 106 ms.
Product exploration explored 100000 steps with 50000 reset in 99 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 15 ms. Proved property starting from automaton with 2 states, 2 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-PT-D02N100-LTLCardinality-13 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(((F(!p0)||(F(p1)&&F(p2))) U G(p2)))))'
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Skipped dead transition search.
[2026-05-26 23:20:12] [INFO ] Invariant cache hit.
[2026-05-26 23:20:12] [INFO ] Implicit Places using invariants in 31 ms returned [6, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32 ms. Remains : 7/9 places, 9/9 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((F(!p0)||(F(p1)&&F(p2))) U G(p2)))))'
Stuttering acceptance computed with spot in 162 ms :[(NOT p2), (NOT p2), (NOT p2), (AND p0 (NOT p1))]
Running random walk in product with property : PGCD-PT-D02N100-LTLCardinality-15
Product exploration explored 100000 steps with 1655 reset in 94 ms.
Stack based approach found an accepted trace after 389 steps with 9 reset with depth 37 and stack size 35 in 0 ms.
FORMULA PGCD-PT-D02N100-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D02N100-LTLCardinality-15 finished in 326 ms.
All properties solved by simple procedures.
Total runtime 5386 ms.

BK_STOP 1779837612903

--------------------
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="PGCD-PT-D02N100"
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 PGCD-PT-D02N100, 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 r194-tall-177969914300819"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D02N100.tgz
mv PGCD-PT-D02N100 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 ;