fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r194-tall-177969914100435
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for NQueens-PT-25

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
458.256 1903570.00 1941486.00 22183.70 FFFTFFFFFFTFFFFF normal

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-177969914100435.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 NQueens-PT-25, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914100435
=====================================================================

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preparation of the directory to be used:
/home/mcc/execution
total 1020K
-rw-r--r-- 1 mcc users 7.3K Mar 8 06:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 8 06:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 8 06:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 8 06:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 16 08:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 16 08:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 16 08:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 16 08:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 8 06:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 8 06:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 8 06:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 8 06:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 534K 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 NQueens-PT-25-LTLCardinality-00
FORMULA_NAME NQueens-PT-25-LTLCardinality-01
FORMULA_NAME NQueens-PT-25-LTLCardinality-02
FORMULA_NAME NQueens-PT-25-LTLCardinality-03
FORMULA_NAME NQueens-PT-25-LTLCardinality-04
FORMULA_NAME NQueens-PT-25-LTLCardinality-05
FORMULA_NAME NQueens-PT-25-LTLCardinality-06
FORMULA_NAME NQueens-PT-25-LTLCardinality-07
FORMULA_NAME NQueens-PT-25-LTLCardinality-08
FORMULA_NAME NQueens-PT-25-LTLCardinality-09
FORMULA_NAME NQueens-PT-25-LTLCardinality-10
FORMULA_NAME NQueens-PT-25-LTLCardinality-11
FORMULA_NAME NQueens-PT-25-LTLCardinality-12
FORMULA_NAME NQueens-PT-25-LTLCardinality-13
FORMULA_NAME NQueens-PT-25-LTLCardinality-14
FORMULA_NAME NQueens-PT-25-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779777668927

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NQueens-PT-25
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-26 06:41:10] [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 06:41:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 06:41:10] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2026-05-26 06:41:10] [INFO ] Transformed 775 places.
[2026-05-26 06:41:10] [INFO ] Transformed 625 transitions.
[2026-05-26 06:41:10] [INFO ] Found NUPN structural information;
[2026-05-26 06:41:10] [INFO ] Parsed PT model containing 775 places and 625 transitions and 3125 arcs in 215 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Reduce places removed 2 places and 0 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA NQueens-PT-25-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-25-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 773 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 773/773 places, 625/625 transitions.
Reduce places removed 599 places and 0 transitions.
Iterating post reduction 0 with 599 rules applied. Total rules applied 599 place count 174 transition count 625
Applied a total of 599 rules in 28 ms. Remains 174 /773 variables (removed 599) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14045133520621360882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1292746895219856919.kers'
[2026-05-26 06:41:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14045133520621360882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1292746895219856919.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 174 cols 2526 entries
Finished phase 1 with 87 SingleSign rule and 80 generalized
[2026-05-26 06:41:10] [INFO ] Computed 7 invariants in 31 ms
Computed 7 P flows in 31 ms.
Exported basis to /tmp/petrispot-output-1292746895219856919.kers
Total runtime 32 ms.
[2026-05-26 06:41:23] [INFO ] Implicit Places using invariants in 13192 ms returned []
[2026-05-26 06:41:23] [INFO ] Invariant cache hit.
[2026-05-26 06:44:03] [INFO ] Implicit Places using invariants and state equation in 160016 ms returned []
Implicit Place search using SMT with State Equation took 173252 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LTL mode, iteration 1 : 174/773 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173321 ms. Remains : 174/773 places, 625/625 transitions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Applied a total of 0 rules in 11 ms. Remains 174 /174 variables (removed 0) and now considering 625/625 (removed 0) transitions.
[2026-05-26 06:44:03] [INFO ] Invariant cache hit.
[2026-05-26 06:44:16] [INFO ] Implicit Places using invariants in 12730 ms returned []
[2026-05-26 06:44:16] [INFO ] Invariant cache hit.
[2026-05-26 06:46:56] [INFO ] Implicit Places using invariants and state equation in 160021 ms returned []
Implicit Place search using SMT with State Equation took 172759 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 172770 ms. Remains : 174/174 places, 625/625 transitions.
Support contains 31 out of 174 places after structural reductions.
[2026-05-26 06:46:56] [INFO ] Flatten gal took : 76 ms
[2026-05-26 06:46:56] [INFO ] Flatten gal took : 48 ms
[2026-05-26 06:46:56] [INFO ] Input system was already deterministic with 625 transitions.
RANDOM walk for 12369 steps (531 resets) in 1882 ms. (6 steps per ms) remains 0/21 properties
FORMULA NQueens-PT-25-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 174 stabilizing places and 625 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 174 transition count 625
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((G(p1)||X(X((p2||(!p3 U (p4||G(!p3))))))))||p0)))'
Support contains 4 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 151 transition count 625
Applied a total of 23 rules in 5 ms. Remains 151 /174 variables (removed 23) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1569815812618800173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4817758029462561918.kers'
[2026-05-26 06:46:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1569815812618800173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4817758029462561918.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 151 cols 2503 entries
Finished phase 1 with 58 SingleSign rule and 86 generalized
[2026-05-26 06:46:57] [INFO ] Computed 7 invariants in 23 ms
Computed 7 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-4817758029462561918.kers
Total runtime 25 ms.
[2026-05-26 06:47:11] [INFO ] Implicit Places using invariants in 13224 ms returned []
[2026-05-26 06:47:11] [INFO ] Invariant cache hit.
[2026-05-26 06:49:51] [INFO ] Implicit Places using invariants and state equation in 160013 ms returned []
Implicit Place search using SMT with State Equation took 173241 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 151/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173247 ms. Remains : 151/174 places, 625/625 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((G(p1)||X(X((p2||(!p3 U (p4||G(!p3))))))))||p0)))'
Stuttering acceptance computed with spot in 522 ms :[(AND (NOT p0) (NOT p1) (NOT p2) (NOT p4) p3), (AND (NOT p4) p3 (NOT p2) (NOT p1)), (AND (NOT p4) p3 (NOT p2)), (AND (NOT p1) (NOT p4) p3 (NOT p2)), (AND (NOT p4) p3 (NOT p2)), true, (AND (NOT p4) p3), (AND (NOT p4) p3 (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p4) p3 (NOT p1))]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-00
Product exploration explored 100000 steps with 4339 reset in 4016 ms.
Entered a terminal (fully accepting) state of product in 53337 steps with 2307 reset in 2117 ms.
FORMULA NQueens-PT-25-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-00 finished in 180008 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))))||(X(F((p0||G(!p1))))&&(G(F(!p2))||(F(!p2)&&F(!p1))))))'
Support contains 5 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 153 transition count 625
Applied a total of 21 rules in 9 ms. Remains 153 /174 variables (removed 21) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3034187762631275162.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14041272259195512745.kers'
[2026-05-26 06:49:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3034187762631275162.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14041272259195512745.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 625 rows 153 cols 2505 entries
Finished phase 1 with 66 SingleSign rule and 80 generalized
[2026-05-26 06:49:57] [INFO ] Computed 7 invariants in 29 ms
Computed 7 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-14041272259195512745.kers
Total runtime 31 ms.
[2026-05-26 06:50:11] [INFO ] Implicit Places using invariants in 13193 ms returned []
[2026-05-26 06:50:11] [INFO ] Invariant cache hit.
[2026-05-26 06:52:51] [INFO ] Implicit Places using invariants and state equation in 160013 ms returned []
Implicit Place search using SMT with State Equation took 173210 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LTL mode, iteration 1 : 153/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173221 ms. Remains : 153/174 places, 625/625 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))))||(X(F((p0||G(p1))))&&(G(F(p2))||(F(p2)&&F(p1))))))'
Stuttering acceptance computed with spot in 324 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-01
Stuttering criterion allowed to conclude after 708 steps with 41 reset in 30 ms.
FORMULA NQueens-PT-25-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-01 finished in 173631 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((F(G(p0))&&G(p1))))'
Support contains 3 out of 174 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Graph (complete) has 104 edges and 174 vertex of which 151 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.2 ms
Discarding 23 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 20 ms. Remains 151 /174 variables (removed 23) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2025996791180798312.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4728118279462547958.kers'
[2026-05-26 06:52:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2025996791180798312.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4728118279462547958.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 151 cols 2503 entries
Finished phase 1 with 60 SingleSign rule and 84 generalized
[2026-05-26 06:52:51] [INFO ] Computed 7 invariants in 24 ms
Computed 7 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-4728118279462547958.kers
Total runtime 24 ms.
[2026-05-26 06:53:04] [INFO ] Implicit Places using invariants in 13381 ms returned []
[2026-05-26 06:53:04] [INFO ] Invariant cache hit.
[2026-05-26 06:55:44] [INFO ] Implicit Places using invariants and state equation in 160008 ms returned []
Implicit Place search using SMT with State Equation took 173392 ms to find 0 implicit places.
[2026-05-26 06:55:44] [INFO ] Redundant transitions in 30 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 151/174 places, 625/625 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 173471 ms. Remains : 151/174 places, 625/625 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((F(G(p0))&&G(p1))))'
Stuttering acceptance computed with spot in 65 ms :[(OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-02
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 3 ms.
FORMULA NQueens-PT-25-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-02 finished in 173574 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 174 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Graph (complete) has 104 edges and 174 vertex of which 148 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.1 ms
Discarding 26 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 148 /174 variables (removed 26) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14056052595253981732.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2427354171038075090.kers'
[2026-05-26 06:55:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14056052595253981732.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2427354171038075090.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 148 cols 2500 entries
Finished phase 1 with 62 SingleSign rule and 80 generalized
[2026-05-26 06:55:45] [INFO ] Computed 6 invariants in 15 ms
Computed 6 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-2427354171038075090.kers
Total runtime 16 ms.
[2026-05-26 06:55:55] [INFO ] Implicit Places using invariants in 10063 ms returned []
[2026-05-26 06:55:55] [INFO ] Invariant cache hit.
[2026-05-26 06:58:35] [INFO ] Implicit Places using invariants and state equation in 160008 ms returned []
Implicit Place search using SMT with State Equation took 170075 ms to find 0 implicit places.
[2026-05-26 06:58:35] [INFO ] Redundant transitions in 12 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 148/174 places, 625/625 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 170120 ms. Remains : 148/174 places, 625/625 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-05
Stuttering criterion allowed to conclude after 1462 steps with 62 reset in 62 ms.
FORMULA NQueens-PT-25-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-05 finished in 170295 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))'
Support contains 2 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 150 transition count 625
Applied a total of 24 rules in 3 ms. Remains 150 /174 variables (removed 24) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17590633607229049624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11122874605043903721.kers'
[2026-05-26 06:58:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17590633607229049624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11122874605043903721.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 625 rows 150 cols 2502 entries
Finished phase 1 with 57 SingleSign rule and 86 generalized
[2026-05-26 06:58:35] [INFO ] Computed 7 invariants in 27 ms
Computed 7 P flows in 27 ms.
Exported basis to /tmp/petrispot-output-11122874605043903721.kers
Total runtime 28 ms.
[2026-05-26 06:58:48] [INFO ] Implicit Places using invariants in 13644 ms returned []
[2026-05-26 06:58:48] [INFO ] Invariant cache hit.
[2026-05-26 07:01:28] [INFO ] Implicit Places using invariants and state equation in 160008 ms returned []
Implicit Place search using SMT with State Equation took 173658 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LTL mode, iteration 1 : 150/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173666 ms. Remains : 150/174 places, 625/625 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(p0))'
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 1387 steps with 693 reset in 106 ms.
FORMULA NQueens-PT-25-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-08 finished in 173876 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(!p0)) U (G((!p0&&X(!p0)))||(!p0&&X(!p0)&&G(!p1)))))))'
Support contains 4 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 150 transition count 625
Applied a total of 24 rules in 3 ms. Remains 150 /174 variables (removed 24) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9251679720009806906.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7635378388604167481.kers'
[2026-05-26 07:01:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9251679720009806906.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7635378388604167481.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 150 cols 2502 entries
Finished phase 1 with 57 SingleSign rule and 86 generalized
[2026-05-26 07:01:29] [INFO ] Computed 7 invariants in 20 ms
Computed 7 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-7635378388604167481.kers
Total runtime 25 ms.
[2026-05-26 07:01:42] [INFO ] Implicit Places using invariants in 13327 ms returned []
[2026-05-26 07:01:42] [INFO ] Invariant cache hit.
[2026-05-26 07:04:08] [INFO ] Performed 3/150 implicitness test of which 0 returned IMPLICIT in 144 seconds.
[2026-05-26 07:04:08] [INFO ] Timeout of Implicit test with SMT after 144 seconds.
[2026-05-26 07:04:08] [INFO ] Implicit Places using invariants and state equation in 145734 ms returned []
Implicit Place search using SMT with State Equation took 159065 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 150/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 159069 ms. Remains : 150/174 places, 625/625 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(!p0)) U (G((!p0&&X(!p0)))||(!p0&&X(!p0)&&G(!p1)))))))'
Stuttering acceptance computed with spot in 178 ms :[p0, p0, p0, (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-11
Stuttering criterion allowed to conclude after 31 steps with 2 reset in 3 ms.
FORMULA NQueens-PT-25-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-11 finished in 159295 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 174 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Graph (complete) has 104 edges and 174 vertex of which 151 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.1 ms
Discarding 23 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 151 /174 variables (removed 23) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-64944153314105429.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8986643740183772605.kers'
[2026-05-26 07:04:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-64944153314105429.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8986643740183772605.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 151 cols 2503 entries
Finished phase 1 with 56 SingleSign rule and 88 generalized
[2026-05-26 07:04:08] [INFO ] Computed 7 invariants in 22 ms
Computed 7 P flows in 22 ms.
Exported basis to /tmp/petrispot-output-8986643740183772605.kers
Total runtime 23 ms.
[2026-05-26 07:04:21] [INFO ] Implicit Places using invariants in 13031 ms returned []
[2026-05-26 07:04:21] [INFO ] Invariant cache hit.
[2026-05-26 07:07:01] [INFO ] Implicit Places using invariants and state equation in 160007 ms returned []
Implicit Place search using SMT with State Equation took 173050 ms to find 0 implicit places.
[2026-05-26 07:07:01] [INFO ] Redundant transitions in 5 ms returned []
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in SI_LTL mode, iteration 1 : 151/174 places, 625/625 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 173068 ms. Remains : 151/174 places, 625/625 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 100 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-12
Stuttering criterion allowed to conclude after 22 steps with 0 reset in 2 ms.
FORMULA NQueens-PT-25-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-12 finished in 173197 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)&&X(X(X(G(!p0)))))))'
Support contains 4 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 151 transition count 625
Applied a total of 23 rules in 3 ms. Remains 151 /174 variables (removed 23) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10930362093726867943.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5523601782326848482.kers'
[2026-05-26 07:07:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10930362093726867943.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5523601782326848482.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 151 cols 2503 entries
Finished phase 1 with 64 SingleSign rule and 80 generalized
[2026-05-26 07:07:01] [INFO ] Computed 7 invariants in 27 ms
Computed 7 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-5523601782326848482.kers
Total runtime 29 ms.
[2026-05-26 07:07:14] [INFO ] Implicit Places using invariants in 13187 ms returned []
[2026-05-26 07:07:14] [INFO ] Invariant cache hit.
[2026-05-26 07:09:54] [INFO ] Implicit Places using invariants and state equation in 160006 ms returned []
Implicit Place search using SMT with State Equation took 173195 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 151/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173198 ms. Remains : 151/174 places, 625/625 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)&&X(X(X(G(!p0)))))))'
Stuttering acceptance computed with spot in 212 ms :[true, true, (NOT p0), (NOT p1), p0, p0, p0, true]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-14
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-25-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-14 finished in 173440 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) U (X(F(p0))&&p1)))'
Support contains 4 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 625/625 transitions.
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 22 place count 152 transition count 625
Applied a total of 22 rules in 3 ms. Remains 152 /174 variables (removed 22) and now considering 625/625 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12072932901431986092.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10983502703515216406.kers'
[2026-05-26 07:09:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12072932901431986092.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10983502703515216406.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 625 rows 152 cols 2504 entries
Finished phase 1 with 59 SingleSign rule and 86 generalized
[2026-05-26 07:09:55] [INFO ] Computed 7 invariants in 24 ms
Computed 7 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-10983502703515216406.kers
Total runtime 27 ms.
[2026-05-26 07:10:12] [INFO ] Implicit Places using invariants in 17108 ms returned []
[2026-05-26 07:10:12] [INFO ] Invariant cache hit.
[2026-05-26 07:12:52] [INFO ] Implicit Places using invariants and state equation in 160011 ms returned []
Implicit Place search using SMT with State Equation took 177123 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LTL mode, iteration 1 : 152/174 places, 625/625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 177128 ms. Remains : 152/174 places, 625/625 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) U (X(F(p0))&&p1)))'
Stuttering acceptance computed with spot in 136 ms :[(OR (NOT p0) (NOT p1)), true, (NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-25-LTLCardinality-15
Stuttering criterion allowed to conclude after 251 steps with 114 reset in 16 ms.
FORMULA NQueens-PT-25-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-25-LTLCardinality-15 finished in 177318 ms.
All properties solved by simple procedures.
Total runtime 1902401 ms.

BK_STOP 1779779572497

--------------------
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="NQueens-PT-25"
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 NQueens-PT-25, 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-177969914100435"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-25.tgz
mv NQueens-PT-25 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 ;