About the Execution of ITS-Tools for NQueens-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 331.287 | 1432740.00 | 1448284.00 | 30993.10 | FFTTFTFFFFTFFFFF | 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-177969914100427.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-20, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914100427
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 836K
-rw-r--r-- 1 mcc users 6.8K Mar 8 06:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 8 06:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 8 06:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.9K Mar 16 08:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 16 08:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 16 08:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 8 06:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 8 06:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 8 06:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 8 06:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:19 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 349K 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-20-LTLCardinality-00
FORMULA_NAME NQueens-PT-20-LTLCardinality-01
FORMULA_NAME NQueens-PT-20-LTLCardinality-02
FORMULA_NAME NQueens-PT-20-LTLCardinality-03
FORMULA_NAME NQueens-PT-20-LTLCardinality-04
FORMULA_NAME NQueens-PT-20-LTLCardinality-05
FORMULA_NAME NQueens-PT-20-LTLCardinality-06
FORMULA_NAME NQueens-PT-20-LTLCardinality-07
FORMULA_NAME NQueens-PT-20-LTLCardinality-08
FORMULA_NAME NQueens-PT-20-LTLCardinality-09
FORMULA_NAME NQueens-PT-20-LTLCardinality-10
FORMULA_NAME NQueens-PT-20-LTLCardinality-11
FORMULA_NAME NQueens-PT-20-LTLCardinality-12
FORMULA_NAME NQueens-PT-20-LTLCardinality-13
FORMULA_NAME NQueens-PT-20-LTLCardinality-14
FORMULA_NAME NQueens-PT-20-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779774906954
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-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-26 05:55:08] [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 05:55:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 05:55:08] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2026-05-26 05:55:08] [INFO ] Transformed 520 places.
[2026-05-26 05:55:08] [INFO ] Transformed 400 transitions.
[2026-05-26 05:55:08] [INFO ] Found NUPN structural information;
[2026-05-26 05:55:08] [INFO ] Parsed PT model containing 520 places and 400 transitions and 2000 arcs in 186 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-20-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-20-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 18 out of 518 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 518/518 places, 400/400 transitions.
Reduce places removed 385 places and 0 transitions.
Iterating post reduction 0 with 385 rules applied. Total rules applied 385 place count 133 transition count 400
Applied a total of 385 rules in 39 ms. Remains 133 /518 variables (removed 385) and now considering 400/400 (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-10697506227327526013.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8978741067677226088.kers'
[2026-05-26 05:55:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10697506227327526013.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8978741067677226088.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 400 rows 132 cols 1614 entries
Finished phase 1 with 61 SingleSign rule and 64 generalized
[2026-05-26 05:55:08] [INFO ] Computed 8 invariants in 15 ms
Computed 8 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-8978741067677226088.kers
Total runtime 16 ms.
[2026-05-26 05:55:14] [INFO ] Implicit Places using invariants in 5996 ms returned []
[2026-05-26 05:55:14] [INFO ] Invariant cache hit.
[2026-05-26 05:57:28] [INFO ] Performed 16/133 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2026-05-26 05:57:54] [INFO ] Implicit Places using invariants and state equation in 160009 ms returned []
Implicit Place search using SMT with State Equation took 166043 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 : 133/518 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 166120 ms. Remains : 133/518 places, 400/400 transitions.
Starting structural reductions in LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Applied a total of 0 rules in 6 ms. Remains 133 /133 variables (removed 0) and now considering 400/400 (removed 0) transitions.
[2026-05-26 05:57:54] [INFO ] Invariant cache hit.
[2026-05-26 05:58:00] [INFO ] Implicit Places using invariants in 5632 ms returned []
[2026-05-26 05:58:00] [INFO ] Invariant cache hit.
[2026-05-26 06:00:24] [INFO ] Performed 16/133 implicitness test of which 0 returned IMPLICIT in 78 seconds.
[2026-05-26 06:00:40] [INFO ] Implicit Places using invariants and state equation in 160008 ms returned []
Implicit Place search using SMT with State Equation took 165647 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 165655 ms. Remains : 133/133 places, 400/400 transitions.
Support contains 18 out of 133 places after structural reductions.
[2026-05-26 06:00:40] [INFO ] Flatten gal took : 61 ms
[2026-05-26 06:00:40] [INFO ] Flatten gal took : 34 ms
[2026-05-26 06:00:40] [INFO ] Input system was already deterministic with 400 transitions.
RANDOM walk for 6193 steps (333 resets) in 1305 ms. (4 steps per ms) remains 0/11 properties
Computed a total of 133 stabilizing places and 400 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 133 transition count 400
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' '!(F(p0))'
Support contains 2 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 119 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.2 ms
Discarding 14 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 17 ms. Remains 119 /133 variables (removed 14) and now considering 400/400 (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-12849667425178792370.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12035216943384503260.kers'
[2026-05-26 06:00:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12849667425178792370.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12035216943384503260.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 400 rows 118 cols 1600 entries
Finished phase 1 with 44 SingleSign rule and 67 generalized
[2026-05-26 06:00:41] [INFO ] Computed 8 invariants in 10 ms
Computed 8 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12035216943384503260.kers
Total runtime 11 ms.
[2026-05-26 06:00:46] [INFO ] Implicit Places using invariants in 5593 ms returned []
[2026-05-26 06:00:46] [INFO ] Invariant cache hit.
[2026-05-26 06:02:29] [INFO ] Performed 2/119 implicitness test of which 0 returned IMPLICIT in 47 seconds.
[2026-05-26 06:03:20] [INFO ] Performed 3/119 implicitness test of which 0 returned IMPLICIT in 98 seconds.
[2026-05-26 06:03:26] [INFO ] Implicit Places using invariants and state equation in 160004 ms returned []
Implicit Place search using SMT with State Equation took 165604 ms to find 0 implicit places.
[2026-05-26 06:03:26] [INFO ] Redundant transitions in 23 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 : 119/133 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 165657 ms. Remains : 119/133 places, 400/400 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))'
Stuttering acceptance computed with spot in 141 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-00
Stuttering criterion allowed to conclude after 28 steps with 2 reset in 7 ms.
FORMULA NQueens-PT-20-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-00 finished in 165884 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 U p1) U p2)))'
Support contains 4 out of 133 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 120 transition count 400
Applied a total of 13 rules in 8 ms. Remains 120 /133 variables (removed 13) and now considering 400/400 (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-6775812403264144083.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12240585837078714268.kers'
[2026-05-26 06:03:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6775812403264144083.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12240585837078714268.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 120 cols 1602 entries
Finished phase 1 with 45 SingleSign rule and 68 generalized
[2026-05-26 06:03:27] [INFO ] Computed 7 invariants in 12 ms
Computed 7 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-12240585837078714268.kers
Total runtime 12 ms.
[2026-05-26 06:03:32] [INFO ] Implicit Places using invariants in 5813 ms returned []
[2026-05-26 06:03:32] [INFO ] Invariant cache hit.
[2026-05-26 06:04:48] [INFO ] Performed 3/120 implicitness test of which 0 returned IMPLICIT in 51 seconds.
[2026-05-26 06:05:22] [INFO ] Performed 4/120 implicitness test of which 0 returned IMPLICIT in 85 seconds.
[2026-05-26 06:06:12] [INFO ] Implicit Places using invariants and state equation in 160005 ms returned []
Implicit Place search using SMT with State Equation took 165822 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 : 120/133 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 165832 ms. Remains : 120/133 places, 400/400 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 U p1) U p2)))'
Stuttering acceptance computed with spot in 137 ms :[(NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-01
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-01 finished in 166004 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 1 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 118 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.1 ms
Discarding 15 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 118 /133 variables (removed 15) and now considering 400/400 (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-9318947149301387408.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15519175662597858055.kers'
[2026-05-26 06:06:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9318947149301387408.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15519175662597858055.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 118 cols 1600 entries
Finished phase 1 with 47 SingleSign rule and 65 generalized
[2026-05-26 06:06:12] [INFO ] Computed 6 invariants in 10 ms
Computed 6 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-15519175662597858055.kers
Total runtime 10 ms.
[2026-05-26 06:06:17] [INFO ] Implicit Places using invariants in 4522 ms returned []
[2026-05-26 06:06:17] [INFO ] Invariant cache hit.
[2026-05-26 06:08:12] [INFO ] Performed 2/118 implicitness test of which 0 returned IMPLICIT in 38 seconds.
[2026-05-26 06:08:57] [INFO ] Performed 3/118 implicitness test of which 0 returned IMPLICIT in 83 seconds.
[2026-05-26 06:08:57] [INFO ] Implicit Places using invariants and state equation in 160011 ms returned []
Implicit Place search using SMT with State Equation took 164535 ms to find 0 implicit places.
[2026-05-26 06:08:57] [INFO ] Redundant transitions in 9 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 : 118/133 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 164563 ms. Remains : 118/133 places, 400/400 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-06
Stuttering criterion allowed to conclude after 422 steps with 22 reset in 23 ms.
FORMULA NQueens-PT-20-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-06 finished in 164649 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U (p1||G(!p0))))'
Support contains 3 out of 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 120 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 6 ms. Remains 120 /133 variables (removed 13) and now considering 400/400 (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-8974653871226956124.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17014099946039080686.kers'
[2026-05-26 06:08:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8974653871226956124.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17014099946039080686.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 120 cols 1602 entries
Finished phase 1 with 51 SingleSign rule and 63 generalized
[2026-05-26 06:08:57] [INFO ] Computed 6 invariants in 9 ms
Computed 6 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-17014099946039080686.kers
Total runtime 10 ms.
[2026-05-26 06:09:02] [INFO ] Implicit Places using invariants in 4469 ms returned []
[2026-05-26 06:09:02] [INFO ] Invariant cache hit.
[2026-05-26 06:11:08] [INFO ] Performed 4/120 implicitness test of which 0 returned IMPLICIT in 59 seconds.
[2026-05-26 06:11:42] [INFO ] Performed 5/120 implicitness test of which 0 returned IMPLICIT in 92 seconds.
[2026-05-26 06:11:42] [INFO ] Implicit Places using invariants and state equation in 160014 ms returned []
Implicit Place search using SMT with State Equation took 164486 ms to find 0 implicit places.
[2026-05-26 06:11:42] [INFO ] Redundant transitions in 3 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 : 120/133 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 164504 ms. Remains : 120/133 places, 400/400 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U (G(!p0)||p1)))'
Stuttering acceptance computed with spot in 49 ms :[true, (AND (NOT p1) p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 72 steps with 3 reset in 3 ms.
FORMULA NQueens-PT-20-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-07 finished in 164586 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 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 119 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.0 ms
Discarding 14 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 119 /133 variables (removed 14) and now considering 400/400 (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-2046944740573993873.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14030841369607355635.kers'
[2026-05-26 06:11:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2046944740573993873.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14030841369607355635.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 119 cols 1601 entries
Finished phase 1 with 46 SingleSign rule and 67 generalized
[2026-05-26 06:11:42] [INFO ] Computed 6 invariants in 10 ms
Computed 6 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-14030841369607355635.kers
Total runtime 11 ms.
[2026-05-26 06:11:46] [INFO ] Implicit Places using invariants in 4730 ms returned []
[2026-05-26 06:11:46] [INFO ] Invariant cache hit.
[2026-05-26 06:12:39] [INFO ] Performed 84/119 implicitness test of which 2 returned IMPLICIT in 30 seconds.
[2026-05-26 06:12:45] [INFO ] Implicit Places using invariants and state equation in 58553 ms returned [79, 80, 118]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 63288 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/133 places, 400/400 transitions.
Applied a total of 0 rules in 4 ms. Remains 116 /116 variables (removed 0) and now considering 400/400 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 63301 ms. Remains : 116/133 places, 400/400 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 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-08
Stuttering criterion allowed to conclude after 16 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-08 finished in 63398 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 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 120 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 8 ms. Remains 120 /133 variables (removed 13) and now considering 400/400 (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-15799631588563135638.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9143377479562872323.kers'
[2026-05-26 06:12:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15799631588563135638.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9143377479562872323.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 120 cols 1602 entries
Finished phase 1 with 45 SingleSign rule and 68 generalized
[2026-05-26 06:12:45] [INFO ] Computed 7 invariants in 10 ms
Computed 7 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-9143377479562872323.kers
Total runtime 11 ms.
[2026-05-26 06:12:51] [INFO ] Implicit Places using invariants in 5750 ms returned []
[2026-05-26 06:12:51] [INFO ] Invariant cache hit.
[2026-05-26 06:13:35] [INFO ] Performed 3/120 implicitness test of which 0 returned IMPLICIT in 43 seconds.
[2026-05-26 06:14:24] [INFO ] Performed 4/120 implicitness test of which 0 returned IMPLICIT in 92 seconds.
[2026-05-26 06:15:31] [INFO ] Implicit Places using invariants and state equation in 160007 ms returned []
Implicit Place search using SMT with State Equation took 165761 ms to find 0 implicit places.
[2026-05-26 06:15:31] [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 : 120/133 places, 400/400 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 165782 ms. Remains : 120/133 places, 400/400 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 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-09
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-09 finished in 165885 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 2 out of 133 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 120 transition count 400
Applied a total of 13 rules in 6 ms. Remains 120 /133 variables (removed 13) and now considering 400/400 (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-10723647055031759430.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8315095946487310752.kers'
[2026-05-26 06:15:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10723647055031759430.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8315095946487310752.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 120 cols 1602 entries
Finished phase 1 with 45 SingleSign rule and 68 generalized
[2026-05-26 06:15:31] [INFO ] Computed 7 invariants in 11 ms
Computed 7 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-8315095946487310752.kers
Total runtime 12 ms.
[2026-05-26 06:15:37] [INFO ] Implicit Places using invariants in 5840 ms returned []
[2026-05-26 06:15:37] [INFO ] Invariant cache hit.
[2026-05-26 06:16:59] [INFO ] Performed 3/120 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2026-05-26 06:17:52] [INFO ] Performed 5/120 implicitness test of which 0 returned IMPLICIT in 114 seconds.
[2026-05-26 06:18:17] [INFO ] Implicit Places using invariants and state equation in 160005 ms returned []
Implicit Place search using SMT with State Equation took 165848 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 120/133 places, 400/400 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 165855 ms. Remains : 120/133 places, 400/400 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 113 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 468 steps with 25 reset in 17 ms.
FORMULA NQueens-PT-20-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-14 finished in 166012 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 133 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 133/133 places, 400/400 transitions.
Graph (complete) has 60 edges and 133 vertex of which 120 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 120 /133 variables (removed 13) and now considering 400/400 (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-13673762810881566707.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-751726835052881625.kers'
[2026-05-26 06:18:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13673762810881566707.kers, --Pflows, --basisKERS=/tmp/petrispot-output-751726835052881625.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 400 rows 120 cols 1602 entries
Finished phase 1 with 45 SingleSign rule and 68 generalized
[2026-05-26 06:18:17] [INFO ] Computed 7 invariants in 14 ms
Computed 7 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-751726835052881625.kers
Total runtime 15 ms.
[2026-05-26 06:18:23] [INFO ] Implicit Places using invariants in 5793 ms returned []
[2026-05-26 06:18:23] [INFO ] Invariant cache hit.
[2026-05-26 06:18:59] [INFO ] Implicit Places using invariants and state equation in 36274 ms returned [42, 80, 81]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 42073 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/133 places, 400/400 transitions.
Applied a total of 0 rules in 8 ms. Remains 117 /117 variables (removed 0) and now considering 400/400 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 42089 ms. Remains : 117/133 places, 400/400 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 39 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-20-LTLCardinality-15
Stuttering criterion allowed to conclude after 17 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-20-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-20-LTLCardinality-15 finished in 42159 ms.
All properties solved by simple procedures.
Total runtime 1431583 ms.
BK_STOP 1779776339694
--------------------
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-20"
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-20, 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-177969914100427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-20.tgz
mv NQueens-PT-20 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 '
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 ;
