About the Execution of ITS-Tools for ClientsAndServers-PT-N0020P3
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 510.752 | 21037.00 | 34068.00 | 251.50 | FFTTFFFFTFFFFTTF | 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-177946901200364.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-N0020P3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200364
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 10:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K 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 4.0K Mar 15 08:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 10:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 164K Mar 6 10:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 6 10:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 6 10:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:10 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 9.2K 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-N0020P3-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779661034225
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0020P3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 22:17:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 22:17:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 22:17:16] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2026-05-24 22:17:16] [INFO ] Transformed 25 places.
[2026-05-24 22:17:16] [INFO ] Transformed 18 transitions.
[2026-05-24 22:17:16] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 198 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 18 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 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 10 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-14628192497133851782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12300432485941315751.kers'
[2026-05-24 22:17:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14628192497133851782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12300432485941315751.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 22:17:16] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12300432485941315751.kers
Total runtime 1 ms.
[2026-05-24 22:17:16] [INFO ] Implicit Places using invariants in 207 ms returned []
[2026-05-24 22:17:16] [INFO ] Invariant cache hit.
[2026-05-24 22:17:16] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 330 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 22:17:17] [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 627 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 488 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 1143ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1155ms
Finished structural reductions in LTL mode , in 1 iterations and 1553 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 22:17:18] [INFO ] Invariant cache hit.
[2026-05-24 22:17:18] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 22:17:18] [INFO ] Invariant cache hit.
[2026-05-24 22:17:18] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 25/25 places, 18/18 transitions.
Support contains 25 out of 25 places after structural reductions.
[2026-05-24 22:17:18] [INFO ] Flatten gal took : 23 ms
[2026-05-24 22:17:18] [INFO ] Flatten gal took : 7 ms
[2026-05-24 22:17:18] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 24 out of 25 places (down from 25) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 22 to 21
RANDOM walk for 38374 steps (12 resets) in 294 ms. (130 steps per ms) remains 0/21 properties
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!((X(X(!p0)) U (X(X(G(!p0)))||(!p1&&X((p2&&X(!p0)))))))'
Support contains 7 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 8 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-1966287092112677320.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2871817393642248287.kers'
[2026-05-24 22:17:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1966287092112677320.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2871817393642248287.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 22:17:19] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2871817393642248287.kers
Total runtime 0 ms.
[2026-05-24 22:17:19] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-24 22:17:19] [INFO ] Invariant cache hit.
[2026-05-24 22:17:19] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 22:17:19] [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 408 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 427 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 843ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 845ms
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 939 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(!p0)) U (X(X(G(!p0)))||(!p1&&X((p2&&X(!p0)))))))'
Stuttering acceptance computed with spot in 507 ms :[true, p0, p0, p0, p0, p0, p0]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-00 finished in 1577 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||X((G(p1) U (p0&&G(p1)))))))'
Support contains 1 out of 25 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
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.
Iterating post reduction 1 with 5 rules applied. Total rules applied 14 place count 16 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 14 place count 16 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 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 2 with 6 rules applied. Total rules applied 24 place count 11 transition count 8
Applied a total of 24 rules in 31 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-5317029655378821383.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3266827213645601165.kers'
[2026-05-24 22:17:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5317029655378821383.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3266827213645601165.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 11 cols 26 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 22:17:20] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3266827213645601165.kers
Total runtime 0 ms.
[2026-05-24 22:17:20] [INFO ] Implicit Places using invariants in 36 ms returned [8, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/25 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 9 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 8 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 7 transition count 6
Applied a total of 4 rules in 3 ms. Remains 7 /9 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-6171228900313208474.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12708076442712700096.kers'
[2026-05-24 22:17:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6171228900313208474.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12708076442712700096.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 22:17:20] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12708076442712700096.kers
Total runtime 0 ms.
[2026-05-24 22:17:20] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 22:17:20] [INFO ] Invariant cache hit.
[2026-05-24 22:17:20] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 60 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 133 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' '!(F((p0||X((G(p1) U (p0&&G(p1)))))))'
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-01
Product exploration explored 100000 steps with 15164 reset in 364 ms.
Product exploration explored 100000 steps with 15011 reset in 208 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 3 factoid took 58 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 414 steps (0 resets) in 5 ms. (69 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 57 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2026-05-24 22:17:21] [INFO ] Invariant cache hit.
Proved EG (NOT p0) asserting that LTL formula F !(NOT p0) is false.
Negative knowledge disproves property using: (F p0)
Knowledge-based reduction took 198 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-01 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-01 finished in 975 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)&&X(X(X(X(F(p1)))))))'
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 2 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-16102712311628511291.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5927846802801573489.kers'
[2026-05-24 22:17:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16102712311628511291.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5927846802801573489.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 22:17:21] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5927846802801573489.kers
Total runtime 0 ms.
[2026-05-24 22:17:21] [INFO ] Implicit Places using invariants in 43 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 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 47 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' '!((F(p0)&&X(X(X(X(F(p1)))))))'
Stuttering acceptance computed with spot in 227 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-02
Product exploration explored 100000 steps with 10269 reset in 237 ms.
Product exploration explored 100000 steps with 10225 reset in 146 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 2 factoid took 75 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 976 steps (0 resets) in 6 ms. (139 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 80 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15125466313141416759.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14838310367853108708.kers'
[2026-05-24 22:17:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15125466313141416759.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14838310367853108708.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 20 cols 42 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 22:17:22] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14838310367853108708.kers
Total runtime 0 ms.
[2026-05-24 22:17:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 22:17:22] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-24 22:17:22] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 22:17:22] [INFO ] Added : 2 causal constraints over 1 iterations in 22 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 520 ms.
Stuttering acceptance computed with spot in 182 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 2 out of 20 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 20/20 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.
[2026-05-24 22:17:23] [INFO ] Invariant cache hit.
[2026-05-24 22:17:23] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 22:17:23] [INFO ] Invariant cache hit.
[2026-05-24 22:17:23] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 22:17:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/38 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 23 constraints, problems are : Problem set: 0 solved, 17 unsolved in 348 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 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) 0/19 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/38 variables, 20/23 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 17/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 40 constraints, problems are : Problem set: 0 solved, 17 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 657ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 658ms
Finished structural reductions in LTL mode , in 1 iterations and 728 ms. Remains : 20/20 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 1 factoid took 47 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 976 steps (0 resets) in 6 ms. (139 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 55 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2026-05-24 22:17:24] [INFO ] Invariant cache hit.
[2026-05-24 22:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:24] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-24 22:17:24] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-24 22:17:24] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 354 ms.
Stuttering acceptance computed with spot in 171 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 172 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 10244 reset in 199 ms.
Product exploration explored 100000 steps with 10182 reset in 88 ms.
Spot run failed in 114 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/ltsmin9441117487543030474
[2026-05-24 22:17:25] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9441117487543030474
Running compilation step : cd /tmp/ltsmin9441117487543030474;'/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 283 ms.
Running link step : cd /tmp/ltsmin9441117487543030474;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin9441117487543030474;'/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/stateBased4984240951386457831.hoa' '--buchi-type=spotba'
LTSmin run took 740 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-02 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-02 finished in 4380 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(((p1 U X(p2))||p0)))'
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 0 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-2145584211492795314.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18056469541980984281.kers'
[2026-05-24 22:17:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2145584211492795314.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18056469541980984281.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 22:17:26] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18056469541980984281.kers
Total runtime 0 ms.
[2026-05-24 22:17:26] [INFO ] Implicit Places using invariants in 36 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 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 45 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(((p1 U X(p2))||p0)))'
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-03
Product exploration explored 100000 steps with 50000 reset in 62 ms.
Product exploration explored 100000 steps with 50000 reset in 70 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 9 factoid took 14 ms. Proved property starting from automaton with 5 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-03 finished in 394 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||F(p1))) U X((p2&&X(!p1)))))'
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 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 22:17:26] [INFO ] Invariant cache hit.
[2026-05-24 22:17:26] [INFO ] Implicit Places using invariants in 31 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 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 33 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' '!((G((!p0||F(p1))) U X((p2&&X(!p1)))))'
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) p0), p1]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-04
Product exploration explored 100000 steps with 3109 reset in 87 ms.
Product exploration explored 100000 steps with 3286 reset in 212 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 74 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
RANDOM walk for 25181 steps (7 resets) in 29 ms. (839 steps per ms) remains 0/7 properties
Knowledge based reduction with 13 factoid took 147 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p1), (AND (NOT p1) p0), p1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9153579267035282867.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5944067431010891216.kers'
[2026-05-24 22:17:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9153579267035282867.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5944067431010891216.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 20 cols 42 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 22:17:27] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5944067431010891216.kers
Total runtime 0 ms.
[2026-05-24 22:17:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 22:17:27] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-24 22:17:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 22:17:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:27] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-24 22:17:27] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 22:17:27] [INFO ] Added : 9 causal constraints over 2 iterations in 16 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 551 ms.
Stuttering acceptance computed with spot in 192 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p1), (AND (NOT p1) p0), p1]
Support contains 3 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 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.
[2026-05-24 22:17:27] [INFO ] Invariant cache hit.
[2026-05-24 22:17:27] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 22:17:27] [INFO ] Invariant cache hit.
[2026-05-24 22:17:27] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 20/20 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 12 factoid took 66 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
RANDOM walk for 31622 steps (9 resets) in 28 ms. (1090 steps per ms) remains 0/7 properties
Knowledge based reduction with 12 factoid took 158 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p1), (AND (NOT p1) p0), p1]
[2026-05-24 22:17:28] [INFO ] Invariant cache hit.
[2026-05-24 22:17:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:28] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-24 22:17:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 22:17:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:28] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-24 22:17:28] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 22:17:28] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Could not prove EG (NOT p2)
Knowledge-based reduction took 537 ms.
Stuttering acceptance computed with spot in 207 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p1), (AND (NOT p1) p0), p1]
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p1), (AND (NOT p1) p0), p1]
Product exploration explored 100000 steps with 1701 reset in 148 ms.
Product exploration explored 100000 steps with 1692 reset in 108 ms.
Spot run failed in 57 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/ltsmin13911633411478009615
[2026-05-24 22:17:29] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13911633411478009615
Running compilation step : cd /tmp/ltsmin13911633411478009615;'/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 104 ms.
Running link step : cd /tmp/ltsmin13911633411478009615;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin13911633411478009615;'/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/stateBased811256257289020368.hoa' '--buchi-type=spotba'
LTSmin run took 28 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-04 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-04 finished in 2880 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((G((p0||X(p0))) U X(p1))))'
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 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-8810386302343172550.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14473493858362989379.kers'
[2026-05-24 22:17:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8810386302343172550.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14473493858362989379.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 22:17:29] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14473493858362989379.kers
Total runtime 0 ms.
[2026-05-24 22:17:29] [INFO ] Implicit Places using invariants in 30 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 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 32 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((G((p0||X(p0))) U X(p1))))'
Stuttering acceptance computed with spot in 225 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), true, (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-07
Entered a terminal (fully accepting) state of product in 4880 steps with 0 reset in 8 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-07 finished in 301 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(G(p0)))'
Support contains 1 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 22:17:29] [INFO ] Invariant cache hit.
[2026-05-24 22:17:29] [INFO ] Implicit Places using invariants in 32 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 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 35 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(G(p0)))'
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-09 finished in 141 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
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 3 places :
Implicit places reduction removed 3 places
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 4 rules applied. Total rules applied 4 place count 22 transition count 17
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 21 transition count 15
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 9 place count 19 transition count 15
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 9 place count 19 transition count 12
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 15 place count 16 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 17 place count 15 transition count 11
Applied a total of 17 rules in 5 ms. Remains 15 /25 variables (removed 10) 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-3105972347495124845.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2342491411990120232.kers'
[2026-05-24 22:17:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3105972347495124845.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2342491411990120232.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 15 cols 34 entries
Finished phase 1 with 9 SingleSign rule and 1 generalized
[2026-05-24 22:17:29] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2342491411990120232.kers
Total runtime 0 ms.
[2026-05-24 22:17:29] [INFO ] Implicit Places using invariants in 27 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 14/25 places, 11/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 11/11 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 34 ms. Remains : 14/25 places, 11/18 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)&&F(p1))))'
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-11
Product exploration explored 100000 steps with 4500 reset in 80 ms.
Product exploration explored 100000 steps with 4504 reset in 91 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 5 factoid took 49 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
RANDOM walk for 1852 steps (1 resets) in 7 ms. (231 steps per ms) remains 0/2 properties
Knowledge based reduction with 5 factoid took 69 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13377078319370042198.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-472587668384795648.kers'
[2026-05-24 22:17:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13377078319370042198.kers, --Pflows, --basisKERS=/tmp/petrispot-output-472587668384795648.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 22:17:30] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-472587668384795648.kers
Total runtime 1 ms.
[2026-05-24 22:17:30] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:30] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 22:17:30] [INFO ] Computed and/alt/rep : 10/11/10 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 22:17:30] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 274 ms.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 11/11 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 11/11 (removed 0) transitions.
[2026-05-24 22:17:30] [INFO ] Invariant cache hit.
[2026-05-24 22:17:30] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-24 22:17:30] [INFO ] Invariant cache hit.
[2026-05-24 22:17:30] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-24 22:17:30] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-24 22:17:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 11/25 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 18 constraints, problems are : Problem set: 0 solved, 10 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 11/25 variables, 14/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 10/28 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/25 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 28 constraints, problems are : Problem set: 0 solved, 10 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 346ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 348ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 411 ms. Remains : 14/14 places, 11/11 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 5 factoid took 50 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
RANDOM walk for 1398 steps (0 resets) in 17 ms. (77 steps per ms) remains 0/2 properties
Knowledge based reduction with 5 factoid took 69 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2026-05-24 22:17:31] [INFO ] Invariant cache hit.
[2026-05-24 22:17:31] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:31] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 22:17:31] [INFO ] Computed and/alt/rep : 10/11/10 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 22:17:31] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 296 ms.
Stuttering acceptance computed with spot in 110 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 4491 reset in 73 ms.
Product exploration explored 100000 steps with 4500 reset in 87 ms.
Built C files in :
/tmp/ltsmin12897368643019911973
[2026-05-24 22:17:31] [INFO ] Computing symmetric may disable matrix : 11 transitions.
[2026-05-24 22:17:31] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 22:17:31] [INFO ] Computing symmetric may enable matrix : 11 transitions.
[2026-05-24 22:17:31] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 22:17:31] [INFO ] Computing Do-Not-Accords matrix : 11 transitions.
[2026-05-24 22:17:31] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 22:17:31] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12897368643019911973
Running compilation step : cd /tmp/ltsmin12897368643019911973;'/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 94 ms.
Running link step : cd /tmp/ltsmin12897368643019911973;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin12897368643019911973;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased10138737362874765906.hoa' '--buchi-type=spotba'
LTSmin run took 19 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-11 finished in 2003 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 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 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 9 place count 19 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 18 transition count 15
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 10 place count 18 transition count 11
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 18 place count 14 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
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 22 place count 12 transition count 9
Applied a total of 22 rules in 4 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-17801936018136814576.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14936848132142455903.kers'
[2026-05-24 22:17:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17801936018136814576.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14936848132142455903.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 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 22:17:31] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14936848132142455903.kers
Total runtime 0 ms.
[2026-05-24 22:17:31] [INFO ] Implicit Places using invariants in 28 ms returned [8, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 30 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 1 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-17923244254943374655.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1434074588009220548.kers'
[2026-05-24 22:17:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17923244254943374655.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1434074588009220548.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 22:17:31] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1434074588009220548.kers
Total runtime 0 ms.
[2026-05-24 22:17:31] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-24 22:17:31] [INFO ] Invariant cache hit.
[2026-05-24 22:17:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 48 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 83 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' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-12
Stuttering criterion allowed to conclude after 65962 steps with 0 reset in 49 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-12 finished in 188 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((F(G(p1))&&p0)) U (p2&&X(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 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-5328803886548622342.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12584220049412105092.kers'
[2026-05-24 22:17:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5328803886548622342.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12584220049412105092.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 22:17:32] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12584220049412105092.kers
Total runtime 0 ms.
[2026-05-24 22:17:32] [INFO ] Implicit Places using invariants in 40 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 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 44 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' '!((F((F(G(p1))&&p0)) U (p2&&X(p2))))'
Stuttering acceptance computed with spot in 144 ms :[(NOT p2), (NOT p1), (NOT p0), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 60 ms.
Product exploration explored 100000 steps with 50000 reset in 69 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 7 factoid took 11 ms. Proved property starting from automaton with 4 states, 10 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 12 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-13 finished in 369 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||F(!p1)||X((G(p3)&&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-17973433964480828096.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11177802810405490289.kers'
[2026-05-24 22:17:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17973433964480828096.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11177802810405490289.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 22:17:32] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11177802810405490289.kers
Total runtime 0 ms.
[2026-05-24 22:17:32] [INFO ] Implicit Places using invariants in 32 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 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 35 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((p0||F(p1)||X((G(p3)&&p2)))))'
Stuttering acceptance computed with spot in 183 ms :[(NOT p1), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ClientsAndServers-PT-N0020P3-LTLFireability-15
Product exploration explored 100000 steps with 1505 reset in 91 ms.
Product exploration explored 100000 steps with 1523 reset in 105 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 9 factoid took 53 ms. Reduced automaton from 5 states, 7 edges and 4 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
RANDOM walk for 4169 steps (0 resets) in 5 ms. (694 steps per ms) remains 0/1 properties
Knowledge based reduction with 9 factoid took 60 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4343331048009781770.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-775148226968271513.kers'
[2026-05-24 22:17:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4343331048009781770.kers, --Pflows, --basisKERS=/tmp/petrispot-output-775148226968271513.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 44 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 22:17:33] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-775148226968271513.kers
Total runtime 0 ms.
[2026-05-24 22:17:33] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 22:17:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-24 22:17:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 22:17:33] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 22:17:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-24 22:17:33] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 22:17:33] [INFO ] Added : 12 causal constraints over 3 iterations in 23 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 364 ms.
Stuttering acceptance computed with spot in 139 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Support contains 1 out of 21 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 21/21 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.
[2026-05-24 22:17:33] [INFO ] Invariant cache hit.
[2026-05-24 22:17:33] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 22:17:33] [INFO ] Invariant cache hit.
[2026-05-24 22:17:33] [INFO ] Implicit Places using invariants and state equation in 44 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 22:17:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (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 305 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 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, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (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 306 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 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 617ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 617ms
Finished structural reductions in LTL mode , in 1 iterations and 692 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 1 factoid took 47 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
RANDOM walk for 5676 steps (1 resets) in 6 ms. (810 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 57 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
[2026-05-24 22:17:34] [INFO ] Invariant cache hit.
[2026-05-24 22:17:34] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 22:17:34] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-24 22:17:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 22:17:34] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 22:17:34] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-24 22:17:34] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 22:17:34] [INFO ] Added : 12 causal constraints over 3 iterations in 17 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 346 ms.
Stuttering acceptance computed with spot in 131 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 142 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1492 reset in 89 ms.
Product exploration explored 100000 steps with 1509 reset in 111 ms.
Spot run failed in 52 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/ltsmin16076174789333975052
[2026-05-24 22:17:34] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16076174789333975052
Running compilation step : cd /tmp/ltsmin16076174789333975052;'/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 99 ms.
Running link step : cd /tmp/ltsmin16076174789333975052;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin16076174789333975052;'/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/stateBased12154086281334275442.hoa' '--buchi-type=spotba'
LTSmin run took 19 ms.
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-15 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P3-LTLFireability-15 finished in 2708 ms.
All properties solved by simple procedures.
Total runtime 18946 ms.
BK_STOP 1779661055262
--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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-N0020P3"
export BK_EXAMINATION="LTLFireability"
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-N0020P3, examination is LTLFireability"
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-177946901200364"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0020P3.tgz
mv ClientsAndServers-PT-N0020P3 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;