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-177946901200380.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is ClientsAndServers-PT-N0050P0, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200380
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.3K Mar 6 10:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 10:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 10:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 10:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 10:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 6 10:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 10:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 10:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:11 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-N0050P0-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0050P0-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779673477992

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-N0050P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 01:44:40] [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]
[2026-05-25 01:44:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 01:44:40] [INFO ] Load time of PNML (sax parser for PT used): 44 ms
[2026-05-25 01:44:40] [INFO ] Transformed 25 places.
[2026-05-25 01:44:40] [INFO ] Transformed 18 transitions.
[2026-05-25 01:44:40] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 183 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 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 11 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-8752710871523670639.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14374590527966130401.kers'
[2026-05-25 01:44:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8752710871523670639.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14374590527966130401.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
[2026-05-25 01:44:40] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14374590527966130401.kers
Total runtime 2 ms.
[2026-05-25 01:44:41] [INFO ] Implicit Places using invariants in 288 ms returned []
[2026-05-25 01:44:41] [INFO ] Invariant cache hit.
[2026-05-25 01:44:41] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 439 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:44:41] [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 897 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 537 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 1476ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1495ms
Finished structural reductions in LTL mode , in 1 iterations and 2009 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.
[2026-05-25 01:44:42] [INFO ] Invariant cache hit.
[2026-05-25 01:44:42] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 01:44:42] [INFO ] Invariant cache hit.
[2026-05-25 01:44:42] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 95 ms. Remains : 25/25 places, 18/18 transitions.
Support contains 23 out of 25 places after structural reductions.
[2026-05-25 01:44:43] [INFO ] Flatten gal took : 32 ms
[2026-05-25 01:44:43] [INFO ] Flatten gal took : 10 ms
[2026-05-25 01:44:43] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 21 to 20
RANDOM walk for 17965 steps (3 resets) in 154 ms. (115 steps per ms) remains 0/20 properties
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-05 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(G(p0))&&(F(!p0)||G(p1))))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 7 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-11719849922002698176.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12215590907994250630.kers'
[2026-05-25 01:44:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11719849922002698176.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12215590907994250630.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
[2026-05-25 01:44:44] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12215590907994250630.kers
Total runtime 1 ms.
[2026-05-25 01:44:44] [INFO ] Implicit Places using invariants in 42 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 52 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))&&(F(!p0)||G(p1))))'
Stuttering acceptance computed with spot in 320 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0)), true]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-00 finished in 531 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(G(p1)))&&X(X(X(X(F(p2)))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 4 places :
Implicit places reduction removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 18
Applied a total of 4 rules in 2 ms. Remains 21 /25 variables (removed 4) and now considering 18/18 (removed 0) transitions.
[2026-05-25 01:44:44] [INFO ] Invariant cache hit.
[2026-05-25 01:44:44] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 01:44:44] [INFO ] Invariant cache hit.
[2026-05-25 01:44:44] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:44:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 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 479 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, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 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 404 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 890ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 890ms
Starting structural reductions in LTL mode, iteration 1 : 21/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 994 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' '!(((p0 U X(G(p1)))&&X(X(X(X(F(p2)))))))'
Stuttering acceptance computed with spot in 322 ms :[(OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1), true, (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-01
Entered a terminal (fully accepting) state of product in 46501 steps with 0 reset in 226 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-01 finished in 1586 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 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 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 16 place count 15 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 16 place count 15 transition count 10
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 20 place count 13 transition count 10
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 26 place count 10 transition count 7
Applied a total of 26 rules in 22 ms. Remains 10 /25 variables (removed 15) and now considering 7/18 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6556935400505726510.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7841325736414848039.kers'
[2026-05-25 01:44:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6556935400505726510.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7841325736414848039.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 7 rows 9 cols 20 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-25 01:44:46] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7841325736414848039.kers
Total runtime 0 ms.
[2026-05-25 01:44:46] [INFO ] Implicit Places using invariants in 46 ms returned [6, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/25 places, 7/18 transitions.
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 2 rules applied. Total rules applied 2 place count 8 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 6 transition count 5
Applied a total of 4 rules in 2 ms. Remains 6 /8 variables (removed 2) and now considering 5/7 (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-6439923180787672663.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10539166107940051751.kers'
[2026-05-25 01:44:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6439923180787672663.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10539166107940051751.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 5 rows 5 cols 12 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-25 01:44:46] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10539166107940051751.kers
Total runtime 0 ms.
[2026-05-25 01:44:46] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-25 01:44:46] [INFO ] Invariant cache hit.
[2026-05-25 01:44:46] [INFO ] Implicit Places using invariants and state equation in 24 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 : 6/25 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 131 ms. Remains : 6/25 places, 5/18 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 50 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 245 ms.
Stack based approach found an accepted trace after 40 steps with 0 reset with depth 41 and stack size 41 in 0 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-02 finished in 466 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U G(p1)) U X(p2)))'
Support contains 6 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 23 transition count 18
Applied a total of 2 rules in 1 ms. Remains 23 /25 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14729093098896744340.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4858674156972130102.kers'
[2026-05-25 01:44:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14729093098896744340.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4858674156972130102.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 15 SingleSign rule and 2 generalized
[2026-05-25 01:44:46] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4858674156972130102.kers
Total runtime 2 ms.
[2026-05-25 01:44:46] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 01:44:46] [INFO ] Invariant cache hit.
[2026-05-25 01:44:46] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:44:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 321 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 23/23 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) 0/22 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 17/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 46 constraints, problems are : Problem set: 0 solved, 17 unsolved in 358 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 685ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 686ms
Starting structural reductions in LTL mode, iteration 1 : 23/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 763 ms. Remains : 23/25 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' '!(((p0 U G(p1)) U X(p2)))'
Stuttering acceptance computed with spot in 334 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-03 finished in 1133 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((!p0&&X(G((!p1||X(F(!p2)))))))&&X(X(p3)))||G((F(!p0)&&F(G((!p1||X(F(!p2))))))))))'
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 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-6685986696057051589.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8264331118155980762.kers'
[2026-05-25 01:44:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6685986696057051589.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8264331118155980762.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
[2026-05-25 01:44:47] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8264331118155980762.kers
Total runtime 1 ms.
[2026-05-25 01:44:47] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:44:47] [INFO ] Invariant cache hit.
[2026-05-25 01:44:47] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:44:47] [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 389 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 425 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 824ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 825ms
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 909 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' '!(F((G((F(p0)&&F(G((X(F(p2))||p1)))))||(F((p0&&X(G((X(F(p2))||p3)))))&&X(X(p4))))))'
Stuttering acceptance computed with spot in 916 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p4))), (NOT p0), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p2) (NOT p3))), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p4))), (AND (NOT p1) (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p4)), (AND (NOT p0) (NOT p4)), (OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4))), (AND (NOT p1) (NOT p2) (NOT p4)), (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)), (OR (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p0) (NOT p4))), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p4))), (OR (AND (NOT p0) (NOT p2) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p2) (NOT p3) (NOT p4))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-04
Product exploration explored 100000 steps with 5821 reset in 382 ms.
Product exploration explored 100000 steps with 5865 reset in 276 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 46 factoid took 907 ms. Reduced automaton from 16 states, 56 edges and 5 AP (stutter sensitive) to 4 states, 15 edges and 4 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 17 to 14
RANDOM walk for 40364 steps (11 resets) in 117 ms. (342 steps per ms) remains 6/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 268 ms. (148 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 283 ms. (140 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 157 ms. (253 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 3/3 properties
[2026-05-25 01:44:51] [INFO ] Invariant cache hit.
Problem apf7 is UNSAT
Problem apf8 is UNSAT
Problem apf16 is UNSAT
After SMT solving in domain Real declared 6/40 variables, and 0 constraints, problems are : Problem set: 3 solved, 0 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/22 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 3 invariant AP formulas.
Knowledge based reduction with 49 factoid took 297 ms. Reduced automaton from 4 states, 15 edges and 4 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 123 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p0))]
Knowledge-based reduction took 1710 ms.
Stuttering acceptance computed with spot in 149 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p0))]
Support contains 6 out of 22 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 : 22/22 places, 18/18 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 22 transition count 16
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 20 transition count 16
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 4 place count 20 transition count 13
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 10 place count 17 transition count 13
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 2 with 2 rules applied. Total rules applied 12 place count 16 transition count 12
Applied a total of 12 rules in 6 ms. Remains 16 /22 variables (removed 6) and now considering 12/18 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2185194111823418980.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1320559218500735296.kers'
[2026-05-25 01:44:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2185194111823418980.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1320559218500735296.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 16 cols 36 entries
Finished phase 1 with 11 SingleSign rule and 0 generalized
[2026-05-25 01:44:52] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1320559218500735296.kers
Total runtime 1 ms.
[2026-05-25 01:44:52] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:44:52] [INFO ] Invariant cache hit.
[2026-05-25 01:44:52] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2026-05-25 01:44:52] [INFO ] Redundant transitions in 0 ms returned []
Running 11 sub problems to find dead transitions.
[2026-05-25 01:44:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 1/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 12/28 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/28 variables, and 21 constraints, problems are : Problem set: 0 solved, 11 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 1/16 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 12/28 variables, 16/21 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 11/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/28 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 0/28 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/28 variables, and 32 constraints, problems are : Problem set: 0 solved, 11 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 16/16 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 600ms problems are : Problem set: 0 solved, 11 unsolved
Search for dead transitions found 0 dead transitions in 601ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/22 places, 12/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 692 ms. Remains : 16/22 places, 12/18 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 94 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
RANDOM walk for 36044 steps (12 resets) in 37 ms. (948 steps per ms) remains 0/7 properties
Knowledge based reduction with 12 factoid took 169 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p0))]
Knowledge-based reduction took 406 ms.
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 126 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 4793 reset in 113 ms.
Product exploration explored 100000 steps with 4792 reset in 125 ms.
Built C files in :
/tmp/ltsmin14323830275661026094
[2026-05-25 01:44:53] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2026-05-25 01:44:53] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:44:53] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2026-05-25 01:44:53] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:44:53] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2026-05-25 01:44:53] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:44:53] [INFO ] Built C files in 33ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14323830275661026094
Running compilation step : cd /tmp/ltsmin14323830275661026094;'/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 303 ms.
Running link step : cd /tmp/ltsmin14323830275661026094;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 78 ms.
Running LTSmin : cd /tmp/ltsmin14323830275661026094;'/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/stateBased7354454213529675358.hoa' '--buchi-type=spotba'
LTSmin run took 201 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-04 finished in 6811 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0) U X(p1)) U p2) U X((F(!p3) U X(p4)))))'
Support contains 8 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 23 transition count 18
Applied a total of 2 rules in 1 ms. Remains 23 /25 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14807543449664547947.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3266621644028261594.kers'
[2026-05-25 01:44:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14807543449664547947.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3266621644028261594.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-25 01:44:54] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3266621644028261594.kers
Total runtime 1 ms.
[2026-05-25 01:44:54] [INFO ] Implicit Places using invariants in 49 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 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(p0) U X(p1)) U p2) U X((F(!p3) U X(p4)))))'
Stuttering acceptance computed with spot in 828 ms :[(NOT p4), (OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p1) p2 (NOT p4)) (AND (NOT p2) p3 (NOT p4))), (NOT p4), (NOT p4), (OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p1) p2 (NOT p4)) (AND (NOT p2) p3 (NOT p4))), (AND (NOT p1) (NOT p4)), (AND p3 (NOT p4)), (OR (AND (NOT p1) p3 (NOT p4)) (AND (NOT p2) p3 (NOT p4))), (AND (NOT p1) p3 (NOT p4)), (NOT p4), p3, (OR (AND (NOT p1) p3) (AND (NOT p2) p3)), (AND (NOT p1) p3)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-08
Product exploration explored 100000 steps with 3635 reset in 157 ms.
Product exploration explored 100000 steps with 3726 reset in 176 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 24 factoid took 164 ms. Reduced automaton from 13 states, 34 edges and 5 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 22706 steps (5 resets) in 24 ms. (908 steps per ms) remains 0/3 properties
Knowledge based reduction with 24 factoid took 126 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 226 ms :[(NOT p4), (NOT p4), (NOT p4), (AND p3 (NOT p4)), p3]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16463909656366389848.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17580232519740464595.kers'
[2026-05-25 01:44:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16463909656366389848.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17580232519740464595.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 46 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-25 01:44:56] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17580232519740464595.kers
Total runtime 1 ms.
[2026-05-25 01:44:56] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-25 01:44:56] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-25 01:44:56] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 01:44:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:44:56] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 01:44:56] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 01:44:56] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2026-05-25 01:44:56] [INFO ] Computed and/alt/rep : 17/19/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 01:44:56] [INFO ] Added : 9 causal constraints over 2 iterations in 22 ms. Result :sat
Could not prove EG (NOT p4)
Knowledge-based reduction took 712 ms.
Stuttering acceptance computed with spot in 221 ms :[(NOT p4), (NOT p4), (NOT p4), (AND p3 (NOT p4)), p3]
Support contains 4 out of 22 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 01:44:56] [INFO ] Invariant cache hit.
[2026-05-25 01:44:56] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:44:56] [INFO ] Invariant cache hit.
[2026-05-25 01:44:56] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:44:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (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 439 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 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, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 17/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (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 455 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 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 899ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 899ms
Finished structural reductions in LTL mode , in 1 iterations and 989 ms. Remains : 22/22 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 4 factoid took 74 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 17055 steps (3 resets) in 16 ms. (1003 steps per ms) remains 0/3 properties
Knowledge based reduction with 4 factoid took 120 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 256 ms :[(NOT p4), (NOT p4), (NOT p4), (AND p3 (NOT p4)), p3]
[2026-05-25 01:44:58] [INFO ] Invariant cache hit.
[2026-05-25 01:44:58] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 01:44:58] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 01:44:58] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2026-05-25 01:44:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 01:44:58] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-25 01:44:58] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-25 01:44:58] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2026-05-25 01:44:58] [INFO ] Computed and/alt/rep : 17/19/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 01:44:58] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Could not prove EG (NOT p4)
Knowledge-based reduction took 635 ms.
Stuttering acceptance computed with spot in 270 ms :[(NOT p4), (NOT p4), (NOT p4), (AND p3 (NOT p4)), p3]
Stuttering acceptance computed with spot in 245 ms :[(NOT p4), (NOT p4), (NOT p4), (AND p3 (NOT p4)), p3]
Product exploration explored 100000 steps with 3646 reset in 169 ms.
Product exploration explored 100000 steps with 3648 reset in 171 ms.
Spot run failed in 233 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/ltsmin9218206377018435230
[2026-05-25 01:44:59] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9218206377018435230
Running compilation step : cd /tmp/ltsmin9218206377018435230;'/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 165 ms.
Running link step : cd /tmp/ltsmin9218206377018435230;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin9218206377018435230;'/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/stateBased7531988710453466918.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 01:45:14] [INFO ] Invariant cache hit.
[2026-05-25 01:45:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 01:45:14] [INFO ] Invariant cache hit.
[2026-05-25 01:45:14] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 84 ms. Remains : 22/22 places, 18/18 transitions.
Built C files in :
/tmp/ltsmin2320803561114428421
[2026-05-25 01:45:14] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2320803561114428421
Running compilation step : cd /tmp/ltsmin2320803561114428421;'/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 108 ms.
Running link step : cd /tmp/ltsmin2320803561114428421;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 31 ms.
Running LTSmin : cd /tmp/ltsmin2320803561114428421;'/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/stateBased15512826279437560231.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 01:45:29] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:45:29] [INFO ] Flatten gal took : 13 ms
[2026-05-25 01:45:29] [INFO ] Time to serialize gal into /tmp/LTL10313304281923166941.gal : 2 ms
[2026-05-25 01:45:29] [INFO ] Time to serialize properties into /tmp/LTL13990877704059994720.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10313304281923166941.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15514850683046422383.hoa' '-atoms' '/tmp/LTL13990877704059994720.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Loading property file /tmp/LTL13990877704059994720.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15514850683046422383.hoa
Detected timeout of ITS tools.
[2026-05-25 01:45:44] [INFO ] Flatten gal took : 5 ms
[2026-05-25 01:45:44] [INFO ] Flatten gal took : 4 ms
[2026-05-25 01:45:44] [INFO ] Time to serialize gal into /tmp/LTL16652787976127999873.gal : 1 ms
[2026-05-25 01:45:44] [INFO ] Time to serialize properties into /tmp/LTL10862248307515493467.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL16652787976127999873.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL10862248307515493467.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !(((((X("(SpA>=1)"))U(X("(MtF>=1)")))U("((CF>=1)&&(Si>=1))"))U(X((F(!("((CA>=1)&&(CwA>=1))")))U(X("((CG>=1)&&(CwG>=1))"))))))
Formula 0 simplified : (!"((CF>=1)&&(Si>=1))" & X(!"((CF>=1)&&(Si>=1))" W (!"(SpA>=1)" R !"(MtF>=1)"))) R X(G"((CA>=1)&&(CwA>=1))" R X!"((CG>=1)&&(CwG>=1))...157
Detected timeout of ITS tools.
[2026-05-25 01:45:59] [INFO ] Flatten gal took : 7 ms
[2026-05-25 01:45:59] [INFO ] Applying decomposition
[2026-05-25 01:45:59] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11379476981146022744.txt' '-o' '/tmp/graph11379476981146022744.bin' '-w' '/tmp/graph11379476981146022744.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11379476981146022744.bin' '-l' '-1' '-v' '-w' '/tmp/graph11379476981146022744.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:45:59] [INFO ] Decomposing Gal with order
[2026-05-25 01:45:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:45:59] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-25 01:45:59] [INFO ] Flatten gal took : 73 ms
[2026-05-25 01:45:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 01:45:59] [INFO ] Time to serialize gal into /tmp/LTL7396897030606557.gal : 2 ms
[2026-05-25 01:45:59] [INFO ] Time to serialize properties into /tmp/LTL17468582649595762875.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL7396897030606557.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17468582649595762875.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...252
Read 1 LTL properties
Checking formula 0 : !(((((X("(u0.SpA>=1)"))U(X("(u1.MtF>=1)")))U("((i4.u4.CF>=1)&&(u2.Si>=1))"))U(X((F(!("((i4.u5.CA>=1)&&(i4.u5.CwA>=1))")))U(X("((i4.u4....185
Formula 0 simplified : (!"((i4.u4.CF>=1)&&(u2.Si>=1))" & X(!"((i4.u4.CF>=1)&&(u2.Si>=1))" W (!"(u0.SpA>=1)" R !"(u1.MtF>=1)"))) R X(G"((i4.u5.CA>=1)&&(i4.u...205
Detected timeout of ITS tools.
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-08 finished in 80567 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(p1)) U p2))'
Support contains 3 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 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-1885508335236422735.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6636737688735234075.kers'
[2026-05-25 01:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1885508335236422735.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6636737688735234075.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
[2026-05-25 01:46:15] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6636737688735234075.kers
Total runtime 1 ms.
[2026-05-25 01:46:15] [INFO ] Implicit Places using invariants in 51 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 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' '!(((p0 U X(p1)) U p2))'
Stuttering acceptance computed with spot in 122 ms :[(NOT p2), (NOT p1), (NOT p1), true]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-09
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-09 finished in 215 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)&&F(!p1)&&X(X(X(G(p2))))))'
Support contains 4 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 18
Applied a total of 3 rules in 1 ms. Remains 22 /25 variables (removed 3) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3586799274240110135.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8875681455190574141.kers'
[2026-05-25 01:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3586799274240110135.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8875681455190574141.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-25 01:46:15] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8875681455190574141.kers
Total runtime 1 ms.
[2026-05-25 01:46:15] [INFO ] Implicit Places using invariants in 44 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/25 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 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' '!((F(p0)&&F(p1)&&X(X(X(G(p2))))))'
Stuttering acceptance computed with spot in 294 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (NOT p0), (NOT p1), (NOT p2), (NOT p2), (NOT p2), true]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-10
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-10 finished in 372 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(G((!p1&&((!p1 U (p3||G(!p1)))||p2)))))))'
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 15
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 19 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 11 place count 18 transition count 14
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 11 place count 18 transition count 13
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 13 place count 17 transition count 13
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 17 place count 15 transition count 11
Applied a total of 17 rules in 8 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-10252060569113392458.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4911284351768049444.kers'
[2026-05-25 01:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10252060569113392458.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4911284351768049444.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
[2026-05-25 01:46:15] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4911284351768049444.kers
Total runtime 0 ms.
[2026-05-25 01:46:15] [INFO ] Implicit Places using invariants in 51 ms returned [10, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 53 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/25 places, 11/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 13 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 12 transition count 10
Applied a total of 2 rules in 3 ms. Remains 12 /13 variables (removed 1) and now considering 10/11 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9003806706838641123.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6113526353617479905.kers'
[2026-05-25 01:46:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9003806706838641123.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6113526353617479905.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 12 cols 26 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-25 01:46:15] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6113526353617479905.kers
Total runtime 0 ms.
[2026-05-25 01:46:15] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 01:46:15] [INFO ] Invariant cache hit.
[2026-05-25 01:46:15] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/25 places, 10/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 142 ms. Remains : 12/25 places, 10/18 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(G((p1&&((p1 U (p3||G(p1)))||p2)))))))'
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-11
Product exploration explored 100000 steps with 146 reset in 217 ms.
Stack based approach found an accepted trace after 151 steps with 0 reset with depth 152 and stack size 152 in 1 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-11 finished in 609 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 2 out of 25 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 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 8 rules applied. Total rules applied 8 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 13 place count 17 transition count 13
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 13 place count 17 transition count 10
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 19 place count 14 transition count 10
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 2 with 4 rules applied. Total rules applied 23 place count 12 transition count 8
Applied a total of 23 rules in 5 ms. Remains 12 /25 variables (removed 13) and now considering 8/18 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15708611879365618798.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16872719591137342001.kers'
[2026-05-25 01:46:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15708611879365618798.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16872719591137342001.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 8 rows 11 cols 24 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-25 01:46:16] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16872719591137342001.kers
Total runtime 0 ms.
[2026-05-25 01:46:16] [INFO ] Implicit Places using invariants in 45 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 58 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/25 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 11 transition count 6
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 9 transition count 6
Applied a total of 4 rules in 2 ms. Remains 9 /11 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-9578987232399895236.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11387037008140573157.kers'
[2026-05-25 01:46:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9578987232399895236.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11387037008140573157.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 9 cols 20 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-25 01:46:16] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11387037008140573157.kers
Total runtime 2 ms.
[2026-05-25 01:46:16] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 01:46:16] [INFO ] Invariant cache hit.
[2026-05-25 01:46:16] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/25 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 151 ms. Remains : 9/25 places, 6/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-12
Product exploration explored 100000 steps with 3945 reset in 212 ms.
Stack based approach found an accepted trace after 86 steps with 4 reset with depth 19 and stack size 19 in 1 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-12 finished in 493 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(G(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 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-14404503900080406350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4760454664173586624.kers'
[2026-05-25 01:46:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14404503900080406350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4760454664173586624.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
[2026-05-25 01:46:16] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4760454664173586624.kers
Total runtime 2 ms.
[2026-05-25 01:46:16] [INFO ] Implicit Places using invariants in 40 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 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 50 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(X((F(G(p0))||p1))))'
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 332 ms.
Product exploration explored 100000 steps with 0 reset in 291 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 1 factoid took 77 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 1604 steps (0 resets) in 5 ms. (267 steps per ms) remains 0/2 properties
Knowledge based reduction with 1 factoid took 82 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 327 ms.
Stuttering acceptance computed with spot in 213 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
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 1 ms. Remains 20 /20 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-13048760382528114613.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16402654352653943575.kers'
[2026-05-25 01:46:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13048760382528114613.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16402654352653943575.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
[2026-05-25 01:46:18] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16402654352653943575.kers
Total runtime 1 ms.
[2026-05-25 01:46:18] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 01:46:18] [INFO ] Invariant cache hit.
[2026-05-25 01:46:18] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:46:18] [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 653 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 485 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 1146ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1147ms
Finished structural reductions in LTL mode , in 1 iterations and 1268 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 84 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 1604 steps (0 resets) in 6 ms. (229 steps per ms) remains 0/2 properties
Knowledge based reduction with 1 factoid took 107 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Knowledge-based reduction took 370 ms.
Stuttering acceptance computed with spot in 175 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 176 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 1 reset in 264 ms.
Product exploration explored 100000 steps with 0 reset in 280 ms.
Spot run failed in 84 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/ltsmin5774012582986401573
[2026-05-25 01:46:20] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5774012582986401573
Running compilation step : cd /tmp/ltsmin5774012582986401573;'/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 165 ms.
Running link step : cd /tmp/ltsmin5774012582986401573;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin5774012582986401573;'/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/stateBased15688697839707068185.hoa' '--buchi-type=spotba'
LTSmin run took 42 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-13 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-13 finished in 4330 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((X(X(X(F((p1||G(F(p1)))))))||p0)))'
Support contains 5 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 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-10211663553526979609.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14890907000037290519.kers'
[2026-05-25 01:46:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10211663553526979609.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14890907000037290519.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
[2026-05-25 01:46:21] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14890907000037290519.kers
Total runtime 1 ms.
[2026-05-25 01:46:21] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 01:46:21] [INFO ] Invariant cache hit.
[2026-05-25 01:46:21] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 01:46:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 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 368 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, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 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 374 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 759ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 759ms
Starting structural reductions in LTL mode, iteration 1 : 21/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 851 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' '!(G((X(X(X(F((p1||G(F(p1)))))))||p0)))'
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0050P0-LTLFireability-15
Product exploration explored 100000 steps with 124 reset in 159 ms.
Product exploration explored 100000 steps with 178 reset in 243 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 1 factoid took 65 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 4436 steps (0 resets) in 7 ms. (554 steps per ms) remains 0/2 properties
Knowledge based reduction with 1 factoid took 101 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 368 ms.
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Support contains 5 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 01:46:23] [INFO ] Invariant cache hit.
[2026-05-25 01:46:23] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 01:46:23] [INFO ] Invariant cache hit.
[2026-05-25 01:46:23] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 92 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 62 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 4638 steps (0 resets) in 6 ms. (662 steps per ms) remains 0/2 properties
Knowledge based reduction with 1 factoid took 86 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 330 ms.
Stuttering acceptance computed with spot in 192 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 202 reset in 155 ms.
Product exploration explored 100000 steps with 224 reset in 180 ms.
Spot run failed in 54 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/ltsmin4341740827542722635
[2026-05-25 01:46:24] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4341740827542722635
Running compilation step : cd /tmp/ltsmin4341740827542722635;'/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 108 ms.
Running link step : cd /tmp/ltsmin4341740827542722635;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin4341740827542722635;'/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/stateBased4267005125044823582.hoa' '--buchi-type=spotba'
LTSmin run took 53 ms.
FORMULA ClientsAndServers-PT-N0050P0-LTLFireability-15 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0050P0-LTLFireability-15 finished in 3461 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0) U X(p1)) U p2) U X((F(!p3) U X(p4)))))'
Spot run failed in 53 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-25 01:46:24] [INFO ] Flatten gal took : 5 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin9047222755498890676
[2026-05-25 01:46:24] [INFO ] Computing symmetric may disable matrix : 18 transitions.
[2026-05-25 01:46:24] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:46:24] [INFO ] Computing symmetric may enable matrix : 18 transitions.
[2026-05-25 01:46:24] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:46:24] [INFO ] Computing Do-Not-Accords matrix : 18 transitions.
[2026-05-25 01:46:24] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 01:46:24] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9047222755498890676
Running compilation step : cd /tmp/ltsmin9047222755498890676;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
[2026-05-25 01:46:24] [INFO ] Applying decomposition
[2026-05-25 01:46:24] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5669239940633535747.txt' '-o' '/tmp/graph5669239940633535747.bin' '-w' '/tmp/graph5669239940633535747.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5669239940633535747.bin' '-l' '-1' '-v' '-w' '/tmp/graph5669239940633535747.weights' '-q' '0' '-e' '0.001'
[2026-05-25 01:46:24] [INFO ] Decomposing Gal with order
[2026-05-25 01:46:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 01:46:24] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-25 01:46:24] [INFO ] Flatten gal took : 6 ms
[2026-05-25 01:46:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 01:46:24] [INFO ] Time to serialize gal into /tmp/LTLFireability7813799465961379924.gal : 2 ms
[2026-05-25 01:46:24] [INFO ] Time to serialize properties into /tmp/LTLFireability12126049824829994238.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability7813799465961379924.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12126049824829994238.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !(((((X("(i1.u6.SpA>=1)"))U(X("(i0.u0.MtF>=1)")))U("((i3.u7.CF>=1)&&(i2.u5.Si>=1))"))U(X((F(!("((i1.u6.CA>=1)&&(i3.u8.CwA>=1))")))U(X(...194
Formula 0 simplified : (!"((i3.u7.CF>=1)&&(i2.u5.Si>=1))" & X(!"((i3.u7.CF>=1)&&(i2.u5.Si>=1))" W (!"(i1.u6.SpA>=1)" R !"(i0.u0.MtF>=1)"))) R X(G"((i1.u6.C...217
Compilation finished in 201 ms.
Running link step : cd /tmp/ltsmin9047222755498890676;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 71 ms.
Running LTSmin : cd /tmp/ltsmin9047222755498890676;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '(((X((LTLAPp0==true)) U X((LTLAPp1==true))) U (LTLAPp2==true)) U X((<>(!(LTLAPp3==true)) U X((LTLAPp4==true)))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-25 02:06:58] [INFO ] Flatten gal took : 3 ms
[2026-05-25 02:06:58] [INFO ] Time to serialize gal into /tmp/LTLFireability17734722660916942315.gal : 1 ms
[2026-05-25 02:06:58] [INFO ] Time to serialize properties into /tmp/LTLFireability12259566867042406049.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability17734722660916942315.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability12259566867042406049.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...299
Read 1 LTL properties
Checking formula 0 : !(((((X("(SpA>=1)"))U(X("(MtF>=1)")))U("((CF>=1)&&(Si>=1))"))U(X((F(!("((CA>=1)&&(CwA>=1))")))U(X("((CG>=1)&&(CwG>=1))"))))))
Formula 0 simplified : (!"((CF>=1)&&(Si>=1))" & X(!"((CF>=1)&&(Si>=1))" W (!"(SpA>=1)" R !"(MtF>=1)"))) R X(G"((CA>=1)&&(CwA>=1))" R X!"((CG>=1)&&(CwG>=1))...157
Detected timeout of ITS tools.
[2026-05-25 02:27:33] [INFO ] Flatten gal took : 3 ms
[2026-05-25 02:27:33] [INFO ] Input system was already deterministic with 18 transitions.
[2026-05-25 02:27:33] [INFO ] Transformed 25 places.
[2026-05-25 02:27:33] [INFO ] Transformed 18 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-25 02:27:33] [INFO ] Time to serialize gal into /tmp/LTLFireability5639602291102378830.gal : 1 ms
[2026-05-25 02:27:33] [INFO ] Time to serialize properties into /tmp/LTLFireability2006452738147889162.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability5639602291102378830.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability2006452738147889162.ltl' '-c' '-stutter-deadlock' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...342
Read 1 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !(((((X("(SpA>=1)"))U(X("(MtF>=1)")))U("((CF>=1)&&(Si>=1))"))U(X((F(!("((CA>=1)&&(CwA>=1))")))U(X("((CG>=1)&&(CwG>=1))"))))))
Formula 0 simplified : (!"((CF>=1)&&(Si>=1))" & X(!"((CF>=1)&&(Si>=1))" W (!"(SpA>=1)" R !"(MtF>=1)"))) R X(G"((CA>=1)&&(CwA>=1))" R X!"((CG>=1)&&(CwG>=1))...157

BK_TIME_CONFINEMENT_REACHED

--------------------
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-N0050P0"
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-N0050P0, 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-177946901200380"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0050P0.tgz
mv ClientsAndServers-PT-N0050P0 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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;