fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r194-tall-177969914100403
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for NQueens-PT-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
317.592 25339.00 30064.00 1392.50 TFFFFFFFFFFTFFFF 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-177969914100403.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)
...............
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is NQueens-PT-10, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914100403
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 7.1K Mar 8 06:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 8 06:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 8 06:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 8 06:30 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 3.8K Mar 16 08:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 16 08:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 8 06:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 179K Mar 8 06:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 8 06:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 8 06:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:18 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 96K 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-10-LTLCardinality-00
FORMULA_NAME NQueens-PT-10-LTLCardinality-01
FORMULA_NAME NQueens-PT-10-LTLCardinality-02
FORMULA_NAME NQueens-PT-10-LTLCardinality-03
FORMULA_NAME NQueens-PT-10-LTLCardinality-04
FORMULA_NAME NQueens-PT-10-LTLCardinality-05
FORMULA_NAME NQueens-PT-10-LTLCardinality-06
FORMULA_NAME NQueens-PT-10-LTLCardinality-07
FORMULA_NAME NQueens-PT-10-LTLCardinality-08
FORMULA_NAME NQueens-PT-10-LTLCardinality-09
FORMULA_NAME NQueens-PT-10-LTLCardinality-10
FORMULA_NAME NQueens-PT-10-LTLCardinality-11
FORMULA_NAME NQueens-PT-10-LTLCardinality-12
FORMULA_NAME NQueens-PT-10-LTLCardinality-13
FORMULA_NAME NQueens-PT-10-LTLCardinality-14
FORMULA_NAME NQueens-PT-10-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779770938906

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-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-26 04:49:00] [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 04:49:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 04:49:00] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2026-05-26 04:49:00] [INFO ] Transformed 160 places.
[2026-05-26 04:49:00] [INFO ] Transformed 100 transitions.
[2026-05-26 04:49:00] [INFO ] Found NUPN structural information;
[2026-05-26 04:49:00] [INFO ] Parsed PT model containing 160 places and 100 transitions and 500 arcs in 157 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 5 formulas.
Reduce places removed 2 places and 0 transitions.
FORMULA NQueens-PT-10-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NQueens-PT-10-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 158 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 158/158 places, 100/100 transitions.
Reduce places removed 84 places and 0 transitions.
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 74 transition count 100
Applied a total of 84 rules in 14 ms. Remains 74 /158 variables (removed 84) and now considering 100/100 (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-14917807769047860072.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6403087698998505064.kers'
[2026-05-26 04:49:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14917807769047860072.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6403087698998505064.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 100 rows 73 cols 415 entries
Finished phase 1 with 38 SingleSign rule and 28 generalized
[2026-05-26 04:49:00] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6403087698998505064.kers
Total runtime 2 ms.
[2026-05-26 04:49:01] [INFO ] Implicit Places using invariants in 656 ms returned []
[2026-05-26 04:49:01] [INFO ] Invariant cache hit.
[2026-05-26 04:49:03] [INFO ] Implicit Places using invariants and state equation in 2044 ms returned [36, 55, 73]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 2741 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 71/158 places, 100/100 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2772 ms. Remains : 71/158 places, 100/100 transitions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 100/100 (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-188479780777452182.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7002832076228703759.kers'
[2026-05-26 04:49:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-188479780777452182.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7002832076228703759.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 71 cols 413 entries
Finished phase 1 with 40 SingleSign rule and 26 generalized
[2026-05-26 04:49:03] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7002832076228703759.kers
Total runtime 1 ms.
[2026-05-26 04:49:04] [INFO ] Implicit Places using invariants in 1707 ms returned []
[2026-05-26 04:49:04] [INFO ] Invariant cache hit.
[2026-05-26 04:49:06] [INFO ] Implicit Places using invariants and state equation in 1428 ms returned []
Implicit Place search using SMT with State Equation took 3138 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Finished structural reductions in LTL mode , in 1 iterations and 3161 ms. Remains : 71/71 places, 100/100 transitions.
Support contains 29 out of 71 places after structural reductions.
[2026-05-26 04:49:06] [INFO ] Flatten gal took : 35 ms
[2026-05-26 04:49:06] [INFO ] Flatten gal took : 14 ms
[2026-05-26 04:49:06] [INFO ] Input system was already deterministic with 100 transitions.
Reduction of identical properties reduced properties to check from 18 to 17
RANDOM walk for 1781 steps (187 resets) in 163 ms. (10 steps per ms) remains 0/17 properties
Computed a total of 71 stabilizing places and 100 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 71 transition count 100
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((F(p0)&&F((G(p1)||G(p2))))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Graph (complete) has 63 edges and 71 vertex of which 56 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 9 ms. Remains 56 /71 variables (removed 15) and now considering 100/100 (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-2203554549103491605.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-415844937924109069.kers'
[2026-05-26 04:49:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2203554549103491605.kers, --Pflows, --basisKERS=/tmp/petrispot-output-415844937924109069.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 56 cols 398 entries
Finished phase 1 with 24 SingleSign rule and 28 generalized
[2026-05-26 04:49:06] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-415844937924109069.kers
Total runtime 1 ms.
[2026-05-26 04:49:07] [INFO ] Implicit Places using invariants in 292 ms returned []
[2026-05-26 04:49:07] [INFO ] Invariant cache hit.
[2026-05-26 04:49:08] [INFO ] Implicit Places using invariants and state equation in 1291 ms returned [38]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1588 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 55/71 places, 100/100 transitions.
Applied a total of 0 rules in 9 ms. Remains 55 /55 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1606 ms. Remains : 55/71 places, 100/100 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)||G(p2))))))'
Stuttering acceptance computed with spot in 561 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-02
Stuttering criterion allowed to conclude after 16 steps with 1 reset in 1 ms.
FORMULA NQueens-PT-10-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-02 finished in 2253 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Support contains 2 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 57 transition count 100
Applied a total of 14 rules in 2 ms. Remains 57 /71 variables (removed 14) and now considering 100/100 (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-3339115845203352435.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18189229771737348320.kers'
[2026-05-26 04:49:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3339115845203352435.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18189229771737348320.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 57 cols 399 entries
Finished phase 1 with 21 SingleSign rule and 32 generalized
[2026-05-26 04:49:09] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18189229771737348320.kers
Total runtime 1 ms.
[2026-05-26 04:49:09] [INFO ] Implicit Places using invariants in 293 ms returned []
[2026-05-26 04:49:09] [INFO ] Invariant cache hit.
[2026-05-26 04:49:10] [INFO ] Implicit Places using invariants and state equation in 1485 ms returned [39]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1791 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/71 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 56 /56 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1795 ms. Remains : 56/71 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 104 steps with 34 reset in 7 ms.
FORMULA NQueens-PT-10-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-05 finished in 1977 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(F(!p0))||(!p1&&F(!p0)))))'
Support contains 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Graph (complete) has 63 edges and 71 vertex of which 58 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.0 ms
Discarding 13 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 58 /71 variables (removed 13) and now considering 100/100 (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-8423455793398876666.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7774459827447541844.kers'
[2026-05-26 04:49:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8423455793398876666.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7774459827447541844.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 58 cols 399 entries
Finished phase 1 with 25 SingleSign rule and 30 generalized
[2026-05-26 04:49:11] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7774459827447541844.kers
Total runtime 2 ms.
[2026-05-26 04:49:11] [INFO ] Implicit Places using invariants in 261 ms returned []
[2026-05-26 04:49:11] [INFO ] Invariant cache hit.
[2026-05-26 04:49:13] [INFO ] Implicit Places using invariants and state equation in 1693 ms returned [40]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1959 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 57/71 places, 100/100 transitions.
Applied a total of 0 rules in 6 ms. Remains 57 /57 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1971 ms. Remains : 57/71 places, 100/100 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(F(p0))||(F(p0)&&p1))))'
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-07
Stuttering criterion allowed to conclude after 17 steps with 1 reset in 0 ms.
FORMULA NQueens-PT-10-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-07 finished in 2083 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(p0))))))'
Support contains 1 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 56 transition count 100
Applied a total of 15 rules in 5 ms. Remains 56 /71 variables (removed 15) and now considering 100/100 (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-14259969449762311173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8985274676514803025.kers'
[2026-05-26 04:49:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14259969449762311173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8985274676514803025.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 56 cols 398 entries
Finished phase 1 with 22 SingleSign rule and 30 generalized
[2026-05-26 04:49:13] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8985274676514803025.kers
Total runtime 2 ms.
[2026-05-26 04:49:13] [INFO ] Implicit Places using invariants in 274 ms returned []
[2026-05-26 04:49:13] [INFO ] Invariant cache hit.
[2026-05-26 04:49:14] [INFO ] Implicit Places using invariants and state equation in 1121 ms returned [38]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1399 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 55/71 places, 100/100 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1408 ms. Remains : 55/71 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(p0))))))'
Stuttering acceptance computed with spot in 251 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-10-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-08 finished in 1693 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 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Graph (complete) has 63 edges and 71 vertex of which 57 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.1 ms
Discarding 14 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 5 ms. Remains 57 /71 variables (removed 14) and now considering 100/100 (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-5193889668324522522.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17446001793125361027.kers'
[2026-05-26 04:49:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5193889668324522522.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17446001793125361027.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 57 cols 399 entries
Finished phase 1 with 25 SingleSign rule and 28 generalized
[2026-05-26 04:49:14] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17446001793125361027.kers
Total runtime 2 ms.
[2026-05-26 04:49:15] [INFO ] Implicit Places using invariants in 281 ms returned []
[2026-05-26 04:49:15] [INFO ] Invariant cache hit.
[2026-05-26 04:49:16] [INFO ] Implicit Places using invariants and state equation in 1342 ms returned [39]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1627 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 56/71 places, 100/100 transitions.
Applied a total of 0 rules in 6 ms. Remains 56 /56 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1638 ms. Remains : 56/71 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-10
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA NQueens-PT-10-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-10 finished in 1698 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(((p1 U X(p2))||p0))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 57 transition count 100
Applied a total of 14 rules in 3 ms. Remains 57 /71 variables (removed 14) and now considering 100/100 (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-10661979043942603388.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8609331579053546419.kers'
[2026-05-26 04:49:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10661979043942603388.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8609331579053546419.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 57 cols 399 entries
Finished phase 1 with 22 SingleSign rule and 30 generalized
[2026-05-26 04:49:16] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8609331579053546419.kers
Total runtime 2 ms.
[2026-05-26 04:49:16] [INFO ] Implicit Places using invariants in 323 ms returned []
[2026-05-26 04:49:16] [INFO ] Invariant cache hit.
[2026-05-26 04:49:18] [INFO ] Implicit Places using invariants and state equation in 1968 ms returned [39]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2296 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/71 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 56 /56 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2301 ms. Remains : 56/71 places, 100/100 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(((p1 U X(p2))||p0))))'
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-12
Stuttering criterion allowed to conclude after 17 steps with 4 reset in 2 ms.
FORMULA NQueens-PT-10-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-12 finished in 2446 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((X(X(p1))||p0)) U X((p1 U X(p2))))))'
Support contains 6 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 57 transition count 100
Applied a total of 14 rules in 5 ms. Remains 57 /71 variables (removed 14) and now considering 100/100 (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-5581709966488489579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5400984527572494546.kers'
[2026-05-26 04:49:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5581709966488489579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5400984527572494546.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 57 cols 399 entries
Finished phase 1 with 22 SingleSign rule and 31 generalized
[2026-05-26 04:49:19] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5400984527572494546.kers
Total runtime 1 ms.
[2026-05-26 04:49:19] [INFO ] Implicit Places using invariants in 268 ms returned []
[2026-05-26 04:49:19] [INFO ] Invariant cache hit.
[2026-05-26 04:49:20] [INFO ] Implicit Places using invariants and state equation in 1441 ms returned []
Implicit Place search using SMT with State Equation took 1711 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 : 57/71 places, 100/100 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1717 ms. Remains : 57/71 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F((X(X(p1))||p0)) U X((p1 U X(p2))))))'
Stuttering acceptance computed with spot in 326 ms :[(NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-14
Stuttering criterion allowed to conclude after 15 steps with 2 reset in 1 ms.
FORMULA NQueens-PT-10-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-14 finished in 2107 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((X(X(X((G(p0) U p1)))) U p2)&&p0))))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 100/100 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 57 transition count 100
Applied a total of 14 rules in 2 ms. Remains 57 /71 variables (removed 14) and now considering 100/100 (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-12951788406500568168.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5724230086189924239.kers'
[2026-05-26 04:49:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12951788406500568168.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5724230086189924239.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 100 rows 57 cols 399 entries
Finished phase 1 with 23 SingleSign rule and 30 generalized
[2026-05-26 04:49:21] [INFO ] Computed 4 invariants in 2 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5724230086189924239.kers
Total runtime 2 ms.
[2026-05-26 04:49:21] [INFO ] Implicit Places using invariants in 276 ms returned []
[2026-05-26 04:49:21] [INFO ] Invariant cache hit.
[2026-05-26 04:49:23] [INFO ] Implicit Places using invariants and state equation in 2352 ms returned [39]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 2633 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 56/71 places, 100/100 transitions.
Applied a total of 0 rules in 2 ms. Remains 56 /56 variables (removed 0) and now considering 100/100 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2638 ms. Remains : 56/71 places, 100/100 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((X(X(X((G(p0) U p1)))) U p2)&&p0))))'
Stuttering acceptance computed with spot in 344 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : NQueens-PT-10-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA NQueens-PT-10-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NQueens-PT-10-LTLCardinality-15 finished in 3027 ms.
All properties solved by simple procedures.
Total runtime 24116 ms.

BK_STOP 1779770964245

--------------------
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-10"
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-10, 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-177969914100403"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NQueens-PT-10.tgz
mv NQueens-PT-10 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 ;