fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r354-tall-178024402700049
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LastZero-COL-N20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1673.619 148439.00 185808.00 406.70 TFTFTTTTFFTFTFTT 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.r354-tall-178024402700049.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 LastZero-COL-N20, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402700049
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 7.7K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 27 10:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 27 10:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 27 10:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_pt
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 5 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 40K Jun 10 17:28 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 LastZero-COL-N20-CTLCardinality-2024-00
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-01
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-02
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-03
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-04
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-05
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-06
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-07
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-08
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-09
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-10
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-11
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-12
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-13
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-14
FORMULA_NAME LastZero-COL-N20-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1781118918088

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-COL-N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
CTLCardinality COL
Running Version 202604301425
[2026-06-10 19:15:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-10 19:15:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 19:15:19] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-06-10 19:15:19] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-06-10 19:15:19] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 508 ms
[2026-06-10 19:15:19] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 924 PT places and 10143.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 18 ms.
FORMULA LastZero-COL-N20-CTLCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:15:19] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 11 arcs in 4 ms.
[2026-06-10 19:15:19] [INFO ] Skeletonized 15 HLPN properties in 2 ms.
Initial state reduction rules removed 4 formulas.
FORMULA LastZero-COL-N20-CTLCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 2 stable transitions
Remains 11 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA LastZero-COL-N20-CTLCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40072 steps (928 resets) in 375 ms. (106 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4000 steps (48 resets) in 160 ms. (24 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 71 ms. (55 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 41 ms. (95 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 66 ms. (59 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 14 ms. (266 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 38 ms. (102 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 35 ms. (111 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 20 ms. (190 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 41 ms. (95 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 18 ms. (210 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 15 ms. (250 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 15 ms. (250 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 15 ms. (250 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 16 ms. (235 steps per ms) remains 17/17 properties
BEST_FIRST walk for 4000 steps (48 resets) in 28 ms. (137 steps per ms) remains 17/17 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18229624918002005135.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16221618149155311934.kers'
[2026-06-10 19:15:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18229624918002005135.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16221618149155311934.kers]
Normalized transition count is 2 out of 3 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 2 rows 2 cols 3 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-06-10 19:15:20] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16221618149155311934.kers
Total runtime 1 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Real declared 4/5 variables, and 2 constraints, problems are : Problem set: 17 solved, 0 unsolved in 177 ms.
Refiners :[State Equation: 2/2 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 17 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 17 atomic propositions for a total of 7 simplifications.
[2026-06-10 19:15:20] [INFO ] Initial state reduction rules for CTL removed 6 formulas.
[2026-06-10 19:15:20] [INFO ] Flatten gal took : 12 ms
[2026-06-10 19:15:20] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA LastZero-COL-N20-CTLCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-COL-N20-CTLCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-06-10 19:15:20] [INFO ] Flatten gal took : 1 ms
Domain [ID(21), ID(21)] of place array breaks symmetries in sort ID
[2026-06-10 19:15:20] [INFO ] Unfolded HLPN to a Petri net with 924 places and 10061 transitions 30983 arcs in 93 ms.
[2026-06-10 19:15:20] [INFO ] Unfolded 3 HLPN properties in 1 ms.
Deduced a syphon composed of 442 places in 33 ms
Reduce places removed 442 places and 6561 transitions.
Reduce places removed 1 places and 0 transitions.
Support contains 230 out of 481 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 481/481 places, 3500/3500 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 480 transition count 3500
Applied a total of 1 rules in 46 ms. Remains 480 /481 variables (removed 1) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:15:20] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18286833417815348537.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18278556908572509165.kers'
[2026-06-10 19:15:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18286833417815348537.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18278556908572509165.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3310 rows 479 cols 9278 entries
Finished phase 1 with 460 SingleSign rule and 0 generalized
[2026-06-10 19:15:20] [INFO ] Computed 20 invariants in 9 ms
Computed 20 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-18278556908572509165.kers
Total runtime 12 ms.
[2026-06-10 19:15:21] [INFO ] Implicit Places using invariants in 389 ms returned []
[2026-06-10 19:15:21] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:15:21] [INFO ] Invariant cache hit.
[2026-06-10 19:15:22] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:15:29] [INFO ] Implicit Places using invariants and state equation in 8345 ms returned [209]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 8760 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 479/481 places, 3500/3500 transitions.
Applied a total of 0 rules in 20 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 8835 ms. Remains : 479/481 places, 3500/3500 transitions.
Starting structural reductions in LTL mode, iteration 0 : 479/479 places, 3500/3500 transitions.
Applied a total of 0 rules in 13 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:15:29] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17101565474177649301.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7686203072447096097.kers'
[2026-06-10 19:15:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17101565474177649301.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7686203072447096097.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 3310 rows 478 cols 9258 entries
Finished phase 1 with 460 SingleSign rule and 0 generalized
[2026-06-10 19:15:29] [INFO ] Computed 19 invariants in 8 ms
Computed 19 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-7686203072447096097.kers
Total runtime 12 ms.
[2026-06-10 19:15:30] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-06-10 19:15:30] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:15:30] [INFO ] Invariant cache hit.
[2026-06-10 19:15:30] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:15:41] [INFO ] Implicit Places using invariants and state equation in 11355 ms returned []
Implicit Place search using SMT with State Equation took 11607 ms to find 0 implicit places.
Running 3480 sub problems to find dead transitions.
[2026-06-10 19:15:41] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:15:41] [INFO ] Invariant cache hit.
[2026-06-10 19:15:41] [INFO ] State equation strengthened by 420 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 478/3789 variables, and 19 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30071 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 0/479 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 3480/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3480 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 3480 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 478/3789 variables, and 19 constraints, problems are : Problem set: 0 solved, 3480 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 0/479 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 0/3480 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62172ms problems are : Problem set: 0 solved, 3480 unsolved
Search for dead transitions found 0 dead transitions in 62194ms
Finished structural reductions in LTL mode , in 1 iterations and 73855 ms. Remains : 479/479 places, 3500/3500 transitions.
Support contains 230 out of 479 places after structural reductions.
[2026-06-10 19:16:43] [INFO ] Flatten gal took : 200 ms
[2026-06-10 19:16:44] [INFO ] Flatten gal took : 136 ms
[2026-06-10 19:16:44] [INFO ] Input system was already deterministic with 3500 transitions.
RANDOM walk for 40000 steps (652 resets) in 2332 ms. (17 steps per ms) remains 8/10 properties
BEST_FIRST walk for 40003 steps (75 resets) in 212 ms. (187 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (75 resets) in 218 ms. (182 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (76 resets) in 177 ms. (224 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (54 resets) in 298 ms. (133 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (52 resets) in 266 ms. (149 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (74 resets) in 151 ms. (263 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (75 resets) in 176 ms. (226 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (54 resets) in 261 ms. (152 steps per ms) remains 8/8 properties
[2026-06-10 19:16:45] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:16:45] [INFO ] Invariant cache hit.
[2026-06-10 19:16:45] [INFO ] State equation strengthened by 420 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/230 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp1 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Real declared 3520/3789 variables, and 230 constraints, problems are : Problem set: 8 solved, 0 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 0/19 constraints, State Equation: 230/479 constraints, ReadFeed: 0/420 constraints, PredecessorRefiner: 8/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 627ms problems are : Problem set: 8 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 8 atomic propositions for a total of 3 simplifications.
[2026-06-10 19:16:46] [INFO ] Flatten gal took : 75 ms
[2026-06-10 19:16:46] [INFO ] Flatten gal took : 102 ms
[2026-06-10 19:16:46] [INFO ] Input system was already deterministic with 3500 transitions.
Computed a total of 479 stabilizing places and 3500 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 479 transition count 3500
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 1 formulas.
FORMULA LastZero-COL-N20-CTLCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 479/479 places, 3500/3500 transitions.
Applied a total of 0 rules in 8 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:16:46] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:16:46] [INFO ] Invariant cache hit.
[2026-06-10 19:16:46] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-06-10 19:16:46] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:16:46] [INFO ] Invariant cache hit.
[2026-06-10 19:16:47] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:16:57] [INFO ] Implicit Places using invariants and state equation in 11269 ms returned []
Implicit Place search using SMT with State Equation took 11460 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 11470 ms. Remains : 479/479 places, 3500/3500 transitions.
[2026-06-10 19:16:58] [INFO ] Flatten gal took : 60 ms
[2026-06-10 19:16:58] [INFO ] Flatten gal took : 66 ms
[2026-06-10 19:16:58] [INFO ] Input system was already deterministic with 3500 transitions.
[2026-06-10 19:16:58] [INFO ] Flatten gal took : 64 ms
[2026-06-10 19:16:58] [INFO ] Flatten gal took : 63 ms
[2026-06-10 19:16:58] [INFO ] Time to serialize gal into /tmp/CTLCardinality5790675966261665840.gal : 51 ms
[2026-06-10 19:16:58] [INFO ] Time to serialize properties into /tmp/CTLCardinality15792452399579382265.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality5790675966261665840.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15792452399579382265.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,3.87596e+11,1.54248,34012,2,13273,5,25230,6,0,5377,11621,0


Converting to forward existential form...Done !
original formula: AX(((((((((process_1+process_2)+(process_3+process_4))+((process_5+process_6)+(process_7+process_8)))+(((process_9+process_10)+(process_1...5228
=> equivalent forward existential formula: [(EY(Init) * !(((((((((process_1+process_2)+(process_3+process_4))+((process_5+process_6)+(process_7+process_8))...5275
(forward)formula 0,1,22.0159,236648,1,0,8,149997,9,2,223430,126660,2
FORMULA LastZero-COL-N20-CTLCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 479/479 places, 3500/3500 transitions.
Applied a total of 0 rules in 41 ms. Remains 479 /479 variables (removed 0) and now considering 3500/3500 (removed 0) transitions.
[2026-06-10 19:17:20] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:17:20] [INFO ] Invariant cache hit.
[2026-06-10 19:17:21] [INFO ] Implicit Places using invariants in 327 ms returned []
[2026-06-10 19:17:21] [INFO ] Flow matrix only has 3310 transitions (discarded 190 similar events)
[2026-06-10 19:17:21] [INFO ] Invariant cache hit.
[2026-06-10 19:17:21] [INFO ] State equation strengthened by 420 read => feed constraints.
[2026-06-10 19:17:43] [INFO ] Implicit Places using invariants and state equation in 22736 ms returned []
Implicit Place search using SMT with State Equation took 23066 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 23111 ms. Remains : 479/479 places, 3500/3500 transitions.
[2026-06-10 19:17:43] [INFO ] Flatten gal took : 51 ms
[2026-06-10 19:17:43] [INFO ] Flatten gal took : 57 ms
[2026-06-10 19:17:44] [INFO ] Input system was already deterministic with 3500 transitions.
[2026-06-10 19:17:44] [INFO ] Flatten gal took : 52 ms
[2026-06-10 19:17:44] [INFO ] Flatten gal took : 57 ms
[2026-06-10 19:17:44] [INFO ] Time to serialize gal into /tmp/CTLCardinality4027879689079413956.gal : 17 ms
[2026-06-10 19:17:44] [INFO ] Time to serialize properties into /tmp/CTLCardinality12712334377302496441.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4027879689079413956.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality12712334377302496441.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,3.87596e+11,1.59472,34124,2,13273,5,25230,6,0,5377,11621,0


Converting to forward existential form...Done !
original formula: EX(TRUE)
=> equivalent forward existential formula: [(EY(Init) * TRUE)] != FALSE
(forward)formula 0,1,2.13545,34124,1,0,6,25230,7,1,7910,11621,1
FORMULA LastZero-COL-N20-CTLCardinality-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

[2026-06-10 19:17:46] [INFO ] Flatten gal took : 54 ms
[2026-06-10 19:17:46] [INFO ] Flatten gal took : 51 ms
Total runtime 147207 ms.

BK_STOP 1781119066527

--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 CTLCardinality -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="LastZero-COL-N20"
export BK_EXAMINATION="CTLCardinality"
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 LastZero-COL-N20, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r354-tall-178024402700049"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-COL-N20.tgz
mv LastZero-COL-N20 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;