fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r050-smll-177946901200299
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ClientsAndServers-PT-N0005P0

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
450.088 21110.00 38063.00 204.20 FFFFFFFFTFFTFFFT 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.r050-smll-177946901200299.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 ClientsAndServers-PT-N0005P0, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200299
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 10:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 6 10:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 6 10:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K Mar 6 10:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.1K 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 ClientsAndServers-PT-N0005P0-LTLCardinality-00
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-01
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-02
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-03
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-04
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-05
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-06
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-07
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-08
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-09
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-10
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-11
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-12
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-13
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-14
FORMULA_NAME ClientsAndServers-PT-N0005P0-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779608622649

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0005P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-24 07:43:44] [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]
[2026-05-24 07:43:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:43:45] [INFO ] Load time of PNML (sax parser for PT used): 73 ms
[2026-05-24 07:43:45] [INFO ] Transformed 25 places.
[2026-05-24 07:43:45] [INFO ] Transformed 18 transitions.
[2026-05-24 07:43:45] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 288 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 29 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Applied a total of 0 rules in 16 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (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-12708341129347286495.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15749400297136549894.kers'
[2026-05-24 07:43:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12708341129347286495.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15749400297136549894.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 25 cols 54 entries
Finished phase 1 with 14 SingleSign rule and 3 generalized
[2026-05-24 07:43:45] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15749400297136549894.kers
Total runtime 2 ms.
[2026-05-24 07:43:45] [INFO ] Implicit Places using invariants in 319 ms returned []
[2026-05-24 07:43:45] [INFO ] Invariant cache hit.
[2026-05-24 07:43:45] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 502 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 07:43:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/25 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/43 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 33 constraints, problems are : Problem set: 0 solved, 17 unsolved in 886 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/25 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/43 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/43 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 50 constraints, problems are : Problem set: 0 solved, 17 unsolved in 497 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1428ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1445ms
Finished structural reductions in LTL mode , in 1 iterations and 2035 ms. Remains : 25/25 places, 18/18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 07:43:47] [INFO ] Invariant cache hit.
[2026-05-24 07:43:47] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 07:43:47] [INFO ] Invariant cache hit.
[2026-05-24 07:43:47] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 25/25 places, 18/18 transitions.
Support contains 22 out of 25 places after structural reductions.
[2026-05-24 07:43:47] [INFO ] Flatten gal took : 26 ms
[2026-05-24 07:43:47] [INFO ] Flatten gal took : 8 ms
[2026-05-24 07:43:47] [INFO ] Input system was already deterministic with 18 transitions.
RANDOM walk for 40017 steps (57 resets) in 535 ms. (74 steps per ms) remains 2/32 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
[2026-05-24 07:43:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp31 is UNSAT
After SMT solving in domain Real declared 22/43 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 0/3 constraints, State Equation: 0/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 13 place count 17 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 13 place count 17 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 17 place count 15 transition count 11
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 23 place count 12 transition count 8
Applied a total of 23 rules in 37 ms. Remains 12 /25 variables (removed 13) and now considering 8/18 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4718270045511078082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1415693732381563080.kers'
[2026-05-24 07:43:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4718270045511078082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1415693732381563080.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 8 rows 11 cols 24 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 07:43:48] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1415693732381563080.kers
Total runtime 0 ms.
[2026-05-24 07:43:48] [INFO ] Implicit Places using invariants in 50 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/25 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 11 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 10 transition count 7
Applied a total of 2 rules in 2 ms. Remains 10 /11 variables (removed 1) and now considering 7/8 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-60313197823391696.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18104514359464477285.kers'
[2026-05-24 07:43:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-60313197823391696.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18104514359464477285.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 10 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 07:43:48] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18104514359464477285.kers
Total runtime 0 ms.
[2026-05-24 07:43:48] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 07:43:48] [INFO ] Invariant cache hit.
[2026-05-24 07:43:48] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/25 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 162 ms. Remains : 10/25 places, 7/18 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 252 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-00
Stuttering criterion allowed to conclude after 966 steps with 0 reset in 36 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-00 finished in 545 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p1)||G(p2))))'
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 16
Reduce places removed 2 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 19 transition count 13
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 14 place count 16 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 14 place count 16 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 16 place count 15 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 14 transition count 11
Applied a total of 18 rules in 8 ms. Remains 14 /25 variables (removed 11) and now considering 11/18 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15664847739995085082.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9199766540201338176.kers'
[2026-05-24 07:43:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15664847739995085082.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9199766540201338176.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 14 cols 32 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-24 07:43:49] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9199766540201338176.kers
Total runtime 0 ms.
[2026-05-24 07:43:49] [INFO ] Implicit Places using invariants in 49 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/25 places, 11/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 13 transition count 10
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 12 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 11 transition count 9
Applied a total of 4 rules in 4 ms. Remains 11 /13 variables (removed 2) and now considering 9/11 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8811964590609993453.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2921030016558971658.kers'
[2026-05-24 07:43:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8811964590609993453.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2921030016558971658.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 11 cols 24 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 07:43:49] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2921030016558971658.kers
Total runtime 0 ms.
[2026-05-24 07:43:49] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 07:43:49] [INFO ] Invariant cache hit.
[2026-05-24 07:43:49] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 11/25 places, 9/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 148 ms. Remains : 11/25 places, 9/18 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)&&(G(p1)||G(p2))))'
Stuttering acceptance computed with spot in 269 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-01 finished in 462 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(p0) U (!p0 U (F(p1) U p2))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 23 transition count 18
Applied a total of 2 rules in 2 ms. Remains 23 /25 variables (removed 2) and now considering 18/18 (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-9371042480562296399.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4052670461704473305.kers'
[2026-05-24 07:43:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9371042480562296399.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4052670461704473305.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 07:43:49] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4052670461704473305.kers
Total runtime 0 ms.
[2026-05-24 07:43:49] [INFO ] Implicit Places using invariants in 53 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 22/25 places, 18/18 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(p0) U (!p0 U (F(p1) U p2))))))'
Stuttering acceptance computed with spot in 476 ms :[(NOT p2), (NOT p2), (NOT p2), false, (AND (NOT p1) p2 (NOT p0)), (AND (NOT p0) (NOT p2)), (AND p0 (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-02
Product exploration explored 100000 steps with 4693 reset in 653 ms.
Stack based approach found an accepted trace after 43124 steps with 1838 reset with depth 449 and stack size 449 in 227 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-02 finished in 1481 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(G(p0))&&F(p1))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 21 transition count 13
Reduce places removed 5 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 6 rules applied. Total rules applied 15 place count 16 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 15 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 16 place count 15 transition count 11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 14 transition count 11
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 24 place count 11 transition count 8
Applied a total of 24 rules in 6 ms. Remains 11 /25 variables (removed 14) and now considering 8/18 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14323998076315531836.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12756446999128471541.kers'
[2026-05-24 07:43:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14323998076315531836.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12756446999128471541.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 8 rows 10 cols 22 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 07:43:51] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12756446999128471541.kers
Total runtime 0 ms.
[2026-05-24 07:43:51] [INFO ] Implicit Places using invariants in 40 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/25 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 10 transition count 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 9 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 8 transition count 6
Applied a total of 4 rules in 7 ms. Remains 8 /10 variables (removed 2) and now considering 6/8 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3568227904814155565.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15761051196180570260.kers'
[2026-05-24 07:43:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3568227904814155565.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15761051196180570260.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 16 entries
Finished phase 1 with 4 SingleSign rule and 1 generalized
[2026-05-24 07:43:51] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15761051196180570260.kers
Total runtime 1 ms.
[2026-05-24 07:43:51] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 07:43:51] [INFO ] Invariant cache hit.
[2026-05-24 07:43:51] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/25 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 132 ms. Remains : 8/25 places, 6/18 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(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-03
Product exploration explored 100000 steps with 77 reset in 397 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-03 finished in 732 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((G(p0)||G(p1)))||G(p2))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 18
Applied a total of 3 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 18/18 (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-7967391733279304122.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2384571895564814487.kers'
[2026-05-24 07:43:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7967391733279304122.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2384571895564814487.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 07:43:51] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2384571895564814487.kers
Total runtime 1 ms.
[2026-05-24 07:43:52] [INFO ] Implicit Places using invariants in 48 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 21/25 places, 18/18 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((G(p0)||G(p1)))||G(p2))))'
Stuttering acceptance computed with spot in 130 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-04
Product exploration explored 100000 steps with 19 reset in 382 ms.
Stack based approach found an accepted trace after 5564 steps with 0 reset with depth 5565 and stack size 5565 in 18 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-04 finished in 646 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U p1)&&X(X(G(p2)))))'
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 18
Applied a total of 3 rules in 2 ms. Remains 22 /25 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2026-05-24 07:43:52] [INFO ] Invariant cache hit.
[2026-05-24 07:43:52] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-24 07:43:52] [INFO ] Invariant cache hit.
[2026-05-24 07:43:52] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 07:43:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 27 constraints, problems are : Problem set: 0 solved, 17 unsolved in 410 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 17/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 44 constraints, problems are : Problem set: 0 solved, 17 unsolved in 537 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 955ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 955ms
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1042 ms. Remains : 22/25 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U p1)&&X(X(G(p2)))))'
Stuttering acceptance computed with spot in 271 ms :[(OR (NOT p1) (NOT p2)), true, (NOT p0), (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 27 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-05 finished in 1352 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((G(p0)||X(X((X(p1)&&G(p2)))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 18
Applied a total of 3 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 18/18 (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-9946320199043148815.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8823119846848739206.kers'
[2026-05-24 07:43:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9946320199043148815.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8823119846848739206.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 07:43:53] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8823119846848739206.kers
Total runtime 1 ms.
[2026-05-24 07:43:53] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-24 07:43:53] [INFO ] Invariant cache hit.
[2026-05-24 07:43:54] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 90 ms. Remains : 22/25 places, 18/18 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((G(p0)||X(X((X(p1)&&G(p2)))))))'
Stuttering acceptance computed with spot in 505 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (NOT p1)), true, (AND p2 (NOT p1)), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) p2), (AND (NOT p0) p2 (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-07 finished in 641 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||G(p1))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 1 ms. Remains 21 /25 variables (removed 4) and now considering 18/18 (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-2541164556315461394.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5115503118008559796.kers'
[2026-05-24 07:43:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2541164556315461394.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5115503118008559796.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 46 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 07:43:54] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5115503118008559796.kers
Total runtime 0 ms.
[2026-05-24 07:43:54] [INFO ] Implicit Places using invariants in 38 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 20/25 places, 18/18 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||G(p1))))'
Stuttering acceptance computed with spot in 178 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-08
Product exploration explored 100000 steps with 50000 reset in 111 ms.
Product exploration explored 100000 steps with 50000 reset in 149 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 20 ms. Proved property starting from automaton with 4 states, 6 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 26 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-08 finished in 546 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0&&X(F(p1)))) U X((p1&&F(p2))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 1 ms. Remains 21 /25 variables (removed 4) and now considering 18/18 (removed 0) transitions.
[2026-05-24 07:43:55] [INFO ] Invariant cache hit.
[2026-05-24 07:43:55] [INFO ] Implicit Places using invariants in 36 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 20/25 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F((p0&&X(F(p1)))) U X((p1&&F(p2))))))'
Stuttering acceptance computed with spot in 489 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-10
Product exploration explored 100000 steps with 94 reset in 304 ms.
Stack based approach found an accepted trace after 49319 steps with 52 reset with depth 591 and stack size 591 in 188 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-10 finished in 1096 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))&&F((G(F((G(F(p1))||(!p1&&F(p1)))))||(!p0&&F((G(F(p1))||(!p1&&F(p1)))))))))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 23 transition count 15
Reduce places removed 3 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 6 rules applied. Total rules applied 11 place count 20 transition count 12
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 14 place count 17 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 16 place count 16 transition count 11
Applied a total of 16 rules in 7 ms. Remains 16 /25 variables (removed 9) and now considering 11/18 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16271747715077236508.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16411377023867001429.kers'
[2026-05-24 07:43:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16271747715077236508.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16411377023867001429.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 16 cols 36 entries
Finished phase 1 with 9 SingleSign rule and 1 generalized
[2026-05-24 07:43:56] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16411377023867001429.kers
Total runtime 1 ms.
[2026-05-24 07:43:56] [INFO ] Implicit Places using invariants in 71 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 73 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/25 places, 11/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 14 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 2 place count 14 transition count 8
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 7 place count 11 transition count 8
Applied a total of 7 rules in 5 ms. Remains 11 /15 variables (removed 4) and now considering 8/11 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8702860987321529399.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8226352048340432273.kers'
[2026-05-24 07:43:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8702860987321529399.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8226352048340432273.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 11 cols 24 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 07:43:56] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8226352048340432273.kers
Total runtime 0 ms.
[2026-05-24 07:43:56] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 07:43:56] [INFO ] Invariant cache hit.
[2026-05-24 07:43:56] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 11/25 places, 8/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 181 ms. Remains : 11/25 places, 8/18 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))&&F((G(F((G(F(p1))||(!p1&&F(p1)))))||(!p0&&F((G(F(p1))||(!p1&&F(p1)))))))))'
Stuttering acceptance computed with spot in 263 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-12
Stuttering criterion allowed to conclude after 2364 steps with 0 reset in 7 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-12 finished in 516 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&G(((F(p1) U X(X(p2))) U p3))))'
Support contains 6 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 18
Applied a total of 3 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 18/18 (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-12354522143382035893.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4041421986971100160.kers'
[2026-05-24 07:43:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12354522143382035893.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4041421986971100160.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 07:43:56] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4041421986971100160.kers
Total runtime 0 ms.
[2026-05-24 07:43:56] [INFO ] Implicit Places using invariants in 59 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 75 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 77 ms. Remains : 21/25 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&G(((F(p1) U X(X(p2))) U p3))))'
Stuttering acceptance computed with spot in 383 ms :[(OR (NOT p3) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-13
Product exploration explored 100000 steps with 2540 reset in 149 ms.
Product exploration explored 100000 steps with 2661 reset in 224 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 13 factoid took 183 ms. Reduced automaton from 9 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 3 AP (stutter sensitive).
RANDOM walk for 25923 steps (34 resets) in 44 ms. (576 steps per ms) remains 0/6 properties
Knowledge based reduction with 13 factoid took 243 ms. Reduced automaton from 8 states, 14 edges and 3 AP (stutter sensitive) to 8 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 365 ms :[(NOT p3), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Knowledge-based reduction took 824 ms.
Stuttering acceptance computed with spot in 295 ms :[(NOT p3), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Support contains 6 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (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-6085174355834086960.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-855330659145946180.kers'
[2026-05-24 07:43:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6085174355834086960.kers, --Pflows, --basisKERS=/tmp/petrispot-output-855330659145946180.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 44 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 07:43:58] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-855330659145946180.kers
Total runtime 0 ms.
[2026-05-24 07:43:58] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 07:43:58] [INFO ] Invariant cache hit.
[2026-05-24 07:43:58] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 07:43:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 441 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 930ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 931ms
Finished structural reductions in LTL mode , in 1 iterations and 1006 ms. Remains : 21/21 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 8 factoid took 116 ms. Reduced automaton from 8 states, 14 edges and 3 AP (stutter sensitive) to 8 states, 14 edges and 3 AP (stutter sensitive).
RANDOM walk for 15479 steps (23 resets) in 24 ms. (619 steps per ms) remains 0/6 properties
Knowledge based reduction with 8 factoid took 223 ms. Reduced automaton from 8 states, 14 edges and 3 AP (stutter sensitive) to 8 states, 14 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 430 ms :[(NOT p3), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Knowledge-based reduction took 785 ms.
Stuttering acceptance computed with spot in 399 ms :[(NOT p3), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Stuttering acceptance computed with spot in 387 ms :[(NOT p3), (OR (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Product exploration explored 100000 steps with 1349 reset in 128 ms.
Product exploration explored 100000 steps with 1329 reset in 140 ms.
Spot run failed in 158 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin8629898755536139284
[2026-05-24 07:44:01] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8629898755536139284
Running compilation step : cd /tmp/ltsmin8629898755536139284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 329 ms.
Running link step : cd /tmp/ltsmin8629898755536139284;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 74 ms.
Running LTSmin : cd /tmp/ltsmin8629898755536139284;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased3848651580282993539.hoa' '--buchi-type=spotba'
LTSmin run took 88 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-13 finished in 5722 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 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 21 transition count 16
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 19 transition count 14
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 12 place count 17 transition count 14
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 12 place count 17 transition count 10
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 20 place count 13 transition count 10
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 22 place count 12 transition count 9
Applied a total of 22 rules in 8 ms. Remains 12 /25 variables (removed 13) and now considering 9/18 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15285330493537526240.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4219040461834591087.kers'
[2026-05-24 07:44:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15285330493537526240.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4219040461834591087.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 12 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 07:44:02] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4219040461834591087.kers
Total runtime 0 ms.
[2026-05-24 07:44:02] [INFO ] Implicit Places using invariants in 44 ms returned [9, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 45 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/25 places, 9/18 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 10 transition count 7
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 7 transition count 6
Applied a total of 6 rules in 5 ms. Remains 7 /10 variables (removed 3) and now considering 6/9 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9711279919834208614.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5620612811250648459.kers'
[2026-05-24 07:44:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9711279919834208614.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5620612811250648459.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 07:44:02] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5620612811250648459.kers
Total runtime 0 ms.
[2026-05-24 07:44:02] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 07:44:02] [INFO ] Invariant cache hit.
[2026-05-24 07:44:02] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/25 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 128 ms. Remains : 7/25 places, 6/18 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 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-14
Product exploration explored 100000 steps with 1454 reset in 142 ms.
Stack based approach found an accepted trace after 533 steps with 8 reset with depth 60 and stack size 60 in 1 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-14 finished in 399 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 1 ms. Remains 21 /25 variables (removed 4) and now considering 18/18 (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-9228827162814313247.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3060701837713557794.kers'
[2026-05-24 07:44:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9228827162814313247.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3060701837713557794.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 46 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 07:44:02] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3060701837713557794.kers
Total runtime 0 ms.
[2026-05-24 07:44:02] [INFO ] Implicit Places using invariants in 51 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 20/25 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P0-LTLCardinality-15
Product exploration explored 100000 steps with 50000 reset in 314 ms.
Product exploration explored 100000 steps with 50000 reset in 322 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 12 ms. Proved property starting from automaton with 2 states, 2 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 13 ms.
FORMULA ClientsAndServers-PT-N0005P0-LTLCardinality-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0005P0-LTLCardinality-15 finished in 833 ms.
All properties solved by simple procedures.
Total runtime 18951 ms.

BK_STOP 1779608643759

--------------------
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="ClientsAndServers-PT-N0005P0"
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 ClientsAndServers-PT-N0005P0, 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 r050-smll-177946901200299"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0005P0.tgz
mv ClientsAndServers-PT-N0005P0 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 ;