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-177969914400835.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-D04N025, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914400835
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 7.1K Mar 8 14:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 8 14:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 8 14:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 8 14:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 16 08:31 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 10K Mar 8 14:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 8 14:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 8 14:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 8 14:40 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 9.3K 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-D04N025-LTLCardinality-00
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-01
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-02
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-03
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-04
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-05
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-06
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-07
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-08
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-09
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-10
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-11
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-12
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-13
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-14
FORMULA_NAME PGCD-PT-D04N025-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779840176934

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-D04N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 00:02:58] [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]
[2026-05-27 00:02:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:02:58] [INFO ] Load time of PNML (sax parser for PT used): 30 ms
[2026-05-27 00:02:58] [INFO ] Transformed 15 places.
[2026-05-27 00:02:58] [INFO ] Transformed 15 transitions.
[2026-05-27 00:02:58] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 115 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA PGCD-PT-D04N025-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 7 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 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-9570839943759342058.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3001527432879896878.kers'
[2026-05-27 00:02:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9570839943759342058.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3001527432879896878.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 00:02:58] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3001527432879896878.kers
Total runtime 0 ms.
[2026-05-27 00:02:58] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 145 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 402ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 412ms
[2026-05-27 00:02:58] [INFO ] Invariant cache hit.
[2026-05-27 00:02:58] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-27 00:02:58] [INFO ] Invariant cache hit.
[2026-05-27 00:02:58] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:02:58] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 563 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:02:58] [INFO ] Invariant cache hit.
[2026-05-27 00:02:58] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-27 00:02:58] [INFO ] Invariant cache hit.
[2026-05-27 00:02:58] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:02:58] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 50 ms. Remains : 15/15 places, 15/15 transitions.
Support contains 15 out of 15 places after structural reductions.
[2026-05-27 00:02:59] [INFO ] Flatten gal took : 14 ms
[2026-05-27 00:02:59] [INFO ] Flatten gal took : 4 ms
[2026-05-27 00:02:59] [INFO ] Input system was already deterministic with 15 transitions.
RANDOM walk for 3270 steps (0 resets) in 58 ms. (55 steps per ms) remains 0/34 properties
FORMULA PGCD-PT-D04N025-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA PGCD-PT-D04N025-LTLCardinality-03 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((X(p0) U p1)) U !X(p0))&&X(p2)))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:02:59] [INFO ] Invariant cache hit.
[2026-05-27 00:02:59] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12, 13]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 36 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 11/15 places, 15/15 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(p0))&&X(p2)))'
Stuttering acceptance computed with spot in 315 ms :[(OR (NOT p2) p0), (NOT p2), p0, true, (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 1212 steps with 3 reset in 12 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-00 finished in 440 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 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 5 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:00] [INFO ] Invariant cache hit.
[2026-05-27 00:03:00] [INFO ] Implicit Places using invariants in 27 ms returned [10, 11, 12, 13]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 28 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 36 ms. Remains : 11/15 places, 15/15 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 68 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-01
Product exploration explored 100000 steps with 71 reset in 202 ms.
Stack based approach found an accepted trace after 772 steps with 0 reset with depth 773 and stack size 723 in 2 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-01 finished in 340 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 (X(p1)||G(p2)||(p2&&F(!p0)))))'
Support contains 2 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:00] [INFO ] Invariant cache hit.
[2026-05-27 00:03:00] [INFO ] Implicit Places using invariants in 32 ms returned [11, 12, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 33 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 11/15 places, 15/15 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(p1)||G(p2)||(p2&&F(!p0)))))'
Stuttering acceptance computed with spot in 159 ms :[(AND (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) p0 (NOT p1)), true, (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-04 finished in 234 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 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:00] [INFO ] Invariant cache hit.
[2026-05-27 00:03:00] [INFO ] Implicit Places using invariants in 28 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 29 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 10/15 places, 15/15 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 53 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-05
Product exploration explored 100000 steps with 2685 reset in 112 ms.
Stack based approach found an accepted trace after 66 steps with 1 reset with depth 13 and stack size 13 in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-05 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-05 finished in 218 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)))&&((p1 U !p0) U X(p2))))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:00] [INFO ] Invariant cache hit.
[2026-05-27 00:03:00] [INFO ] Implicit Places using invariants in 26 ms returned [10, 11, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 27 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 12/15 places, 15/15 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)))&&((p1 U !p0) U X(p2))))'
Stuttering acceptance computed with spot in 290 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (NOT p0), true, (OR (NOT p2) (NOT p0))]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-07 finished in 350 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(F(p0))||(F(p0)&&X(X(F(p1))))) U G(p2))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:01] [INFO ] Invariant cache hit.
[2026-05-27 00:03:01] [INFO ] Implicit Places using invariants in 37 ms returned [10, 11, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 39 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 12/15 places, 15/15 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(F(p0))||(F(p0)&&X(X(F(p1))))) U G(p2))))'
Stuttering acceptance computed with spot in 247 ms :[(NOT p2), (NOT p2), (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-D04N025-LTLCardinality-08
Product exploration explored 100000 steps with 2332 reset in 127 ms.
Stack based approach found an accepted trace after 255 steps with 12 reset with depth 39 and stack size 37 in 1 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-08 finished in 460 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X(G(p1)))) U ((p2 U !p0) U p3)))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:01] [INFO ] Invariant cache hit.
[2026-05-27 00:03:01] [INFO ] Implicit Places using invariants in 24 ms returned [10, 11, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 24 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 28 ms. Remains : 12/15 places, 15/15 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((p0&&X(G(p1)))) U ((p2 U !p0) U p3)))'
Stuttering acceptance computed with spot in 162 ms :[(NOT p3), (NOT p1), (AND p0 (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-09
Product exploration explored 100000 steps with 4 reset in 129 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-09 finished in 365 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))))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:02] [INFO ] Invariant cache hit.
[2026-05-27 00:03:02] [INFO ] Implicit Places using invariants in 26 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 27 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 10/15 places, 15/15 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))))'
Stuttering acceptance computed with spot in 124 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-10 finished in 181 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) U G(p2))))) U p3))'
Support contains 2 out of 15 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 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:02] [INFO ] Invariant cache hit.
[2026-05-27 00:03:02] [INFO ] Implicit Places using invariants in 28 ms returned [10, 11, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 29 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 11/15 places, 15/15 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) U G(p2))))) U p3))'
Stuttering acceptance computed with spot in 115 ms :[(NOT p3), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-11
Product exploration explored 100000 steps with 1 reset in 118 ms.
Product exploration explored 100000 steps with 1 reset in 217 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 11 factoid took 89 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 6 to 4
RANDOM walk for 40080 steps (8 resets) in 151 ms. (263 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12001467739458512946.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3730716615063282028.kers'
[2026-05-27 00:03:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12001467739458512946.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3730716615063282028.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 00:03:02] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3730716615063282028.kers
Total runtime 0 ms.
[2026-05-27 00:03:02] [INFO ] State equation strengthened by 5 read => feed constraints.
Problem apf0 is UNSAT
After SMT solving in domain Real declared 2/26 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 12 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/11 constraints, ReadFeed: 0/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 13 factoid took 134 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(NOT p3)]
[2026-05-27 00:03:03] [INFO ] Invariant cache hit.
Proved EG (NOT p3) asserting that LTL formula F !(NOT p3) is false.
Negative knowledge disproves property using: (F p3)
Knowledge-based reduction took 405 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-11 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property PGCD-PT-D04N025-LTLCardinality-11 finished in 913 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(X((p1||X((p2 U p3))))))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9928769521137715342.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10027048479496610656.kers'
[2026-05-27 00:03:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9928769521137715342.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10027048479496610656.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 00:03:03] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10027048479496610656.kers
Total runtime 0 ms.
[2026-05-27 00:03:03] [INFO ] Implicit Places using invariants in 35 ms returned [10, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 13 /13 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 13/15 places, 15/15 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(X((p1||X((p2 U p3))))))))'
Stuttering acceptance computed with spot in 276 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p3))), (NOT p0), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), true]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-12 finished in 348 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)&&F(p1))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:03] [INFO ] Invariant cache hit.
[2026-05-27 00:03:03] [INFO ] Implicit Places using invariants in 48 ms returned [12, 13, 14]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 50 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 12/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 12/15 places, 15/15 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)&&F(p1))))'
Stuttering acceptance computed with spot in 155 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 109 ms.
Product exploration explored 100000 steps with 50000 reset in 115 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 11 factoid took 18 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 21 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PGCD-PT-D04N025-LTLCardinality-13 finished in 478 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 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:04] [INFO ] Invariant cache hit.
[2026-05-27 00:03:04] [INFO ] Implicit Places using invariants in 27 ms returned [11, 12, 13, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 29 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 32 ms. Remains : 11/15 places, 15/15 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 31 ms :[(NOT p0)]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 136 ms.
Stack based approach found an accepted trace after 22 steps with 0 reset with depth 23 and stack size 23 in 0 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property PGCD-PT-D04N025-LTLCardinality-14 finished in 217 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)||G(!p0)||G(p1))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 00:03:04] [INFO ] Invariant cache hit.
[2026-05-27 00:03:04] [INFO ] Implicit Places using invariants in 28 ms returned [10, 11, 12, 14]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 29 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 31 ms. Remains : 11/15 places, 15/15 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)||G(!p0)||G(p1))))'
Stuttering acceptance computed with spot in 34 ms :[false]
Running random walk in product with property : PGCD-PT-D04N025-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 138 ms.
Product exploration explored 100000 steps with 0 reset in 174 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 247 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
RANDOM walk for 40024 steps (8 resets) in 57 ms. (690 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16438132219912451037.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13975829495588696725.kers'
[2026-05-27 00:03:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16438132219912451037.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13975829495588696725.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 15 rows 10 cols 40 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 00:03:04] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13975829495588696725.kers
Total runtime 0 ms.
[2026-05-27 00:03:04] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/11 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/26 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 11/11 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Int declared 3/26 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 15 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/11 constraints, ReadFeed: 0/5 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 4 factoid took 336 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 717 ms.
Stuttering acceptance computed with spot in 42 ms :[(AND (NOT p0) (NOT p1))]
Support contains 3 out of 11 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 11/11 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2026-05-27 00:03:05] [INFO ] Invariant cache hit.
[2026-05-27 00:03:05] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/26 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 18 constraints, problems are : Problem set: 0 solved, 5 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 11/11 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/26 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 23 constraints, problems are : Problem set: 0 solved, 5 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 11/11 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 157ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 157ms
[2026-05-27 00:03:05] [INFO ] Invariant cache hit.
[2026-05-27 00:03:05] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 00:03:05] [INFO ] Invariant cache hit.
[2026-05-27 00:03:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-27 00:03:05] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-27 00:03:05] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 209 ms. Remains : 11/11 places, 15/15 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 298 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
RANDOM walk for 40057 steps (8 resets) in 56 ms. (702 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
[2026-05-27 00:03:05] [INFO ] Invariant cache hit.
[2026-05-27 00:03:05] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 8/11 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/26 variables, 11/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/26 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 11/11 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Int declared 3/26 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 16 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/11 constraints, ReadFeed: 0/5 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 4 factoid took 318 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 741 ms.
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 124 ms.
Product exploration explored 100000 steps with 0 reset in 165 ms.
Built C files in :
/tmp/ltsmin14958643862908457068
[2026-05-27 00:03:06] [INFO ] Computing symmetric may disable matrix : 15 transitions.
[2026-05-27 00:03:06] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 00:03:06] [INFO ] Computing symmetric may enable matrix : 15 transitions.
[2026-05-27 00:03:06] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 00:03:06] [INFO ] Computing Do-Not-Accords matrix : 15 transitions.
[2026-05-27 00:03:06] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-27 00:03:06] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14958643862908457068
Running compilation step : cd /tmp/ltsmin14958643862908457068;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 185 ms.
Running link step : cd /tmp/ltsmin14958643862908457068;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin14958643862908457068;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased7989511258066767705.hoa' '--buchi-type=spotba'
LTSmin run took 40 ms.
FORMULA PGCD-PT-D04N025-LTLCardinality-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property PGCD-PT-D04N025-LTLCardinality-15 finished in 2829 ms.
All properties solved by simple procedures.
Total runtime 9045 ms.

BK_STOP 1779840187116

--------------------
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-D04N025"
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-D04N025, 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-177969914400835"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 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 ;