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-177946901200404.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-N0500P0, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 6.8K Mar 6 10:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 10:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 6 10:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 6 10:57 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 3.8K Mar 15 08:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 6 10:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 10:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 10:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.1K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0500P0-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779695237284

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-N0500P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 07:47:19] [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 07:47:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 07:47:19] [INFO ] Load time of PNML (sax parser for PT used): 71 ms
[2026-05-25 07:47:19] [INFO ] Transformed 25 places.
[2026-05-25 07:47:19] [INFO ] Transformed 18 transitions.
[2026-05-25 07:47:20] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 278 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 30 ms. Remains 24 /25 variables (removed 1) 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-9338617982928629244.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6255024273954717679.kers'
[2026-05-25 07:47:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9338617982928629244.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6255024273954717679.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 24 cols 52 entries
Finished phase 1 with 15 SingleSign rule and 2 generalized
[2026-05-25 07:47:20] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6255024273954717679.kers
Total runtime 2 ms.
[2026-05-25 07:47:20] [INFO ] Implicit Places using invariants in 301 ms returned []
[2026-05-25 07:47:20] [INFO ] Invariant cache hit.
[2026-05-25 07:47:20] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 07:47:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 31 constraints, problems are : Problem set: 0 solved, 17 unsolved in 845 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 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) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 48 constraints, problems are : Problem set: 0 solved, 17 unsolved in 706 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1591ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1610ms
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2185 ms. Remains : 24/25 places, 18/18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 07:47:22] [INFO ] Invariant cache hit.
[2026-05-25 07:47:22] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-25 07:47:22] [INFO ] Invariant cache hit.
[2026-05-25 07:47:22] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 24/24 places, 18/18 transitions.
Support contains 20 out of 24 places after structural reductions.
[2026-05-25 07:47:22] [INFO ] Flatten gal took : 32 ms
[2026-05-25 07:47:22] [INFO ] Flatten gal took : 11 ms
[2026-05-25 07:47:23] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 22 to 19
RANDOM walk for 48022 steps (8 resets) in 207 ms. (230 steps per ms) remains 14/19 properties
BEST_FIRST walk for 4694 steps (0 resets) in 116 ms. (40 steps per ms) remains 0/14 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U X(X(p1)))&&F(((!p2&&X(F(!p3)))||G(F(!p3)))))))'
Support contains 7 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 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-2407139529878647237.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17426310396342701249.kers'
[2026-05-25 07:47:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2407139529878647237.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17426310396342701249.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 07:47:23] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17426310396342701249.kers
Total runtime 1 ms.
[2026-05-25 07:47:23] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-25 07:47:23] [INFO ] Invariant cache hit.
[2026-05-25 07:47:23] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 07:47:23] [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 552 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 544 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 1107ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1107ms
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1219 ms. Remains : 22/24 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 U X(X(p1)))&&F(((p2&&X(F(p3)))||G(F(p3)))))))'
Stuttering acceptance computed with spot in 809 ms :[(OR (NOT p3) (NOT p1)), (NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-00
Product exploration explored 100000 steps with 2519 reset in 590 ms.
Product exploration explored 100000 steps with 2615 reset in 402 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 16 factoid took 209 ms. Reduced automaton from 9 states, 22 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
RANDOM walk for 48020 steps (8 resets) in 45 ms. (1043 steps per ms) remains 11/11 properties
BEST_FIRST walk for 3249 steps (0 resets) in 32 ms. (98 steps per ms) remains 0/11 properties
Knowledge based reduction with 16 factoid took 358 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 468 ms :[(NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
[2026-05-25 07:47:28] [INFO ] Invariant cache hit.
[2026-05-25 07:47:28] [INFO ] [Real]Absence check using 5 positive place invariants in 5 ms returned sat
[2026-05-25 07:47:28] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-25 07:47:28] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 07:47:28] [INFO ] Added : 15 causal constraints over 3 iterations in 45 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 1259 ms.
Stuttering acceptance computed with spot in 462 ms :[(NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
Support contains 7 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 07:47:28] [INFO ] Invariant cache hit.
[2026-05-25 07:47:28] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-25 07:47:28] [INFO ] Invariant cache hit.
[2026-05-25 07:47:28] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 107 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 5 factoid took 112 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
RANDOM walk for 48020 steps (8 resets) in 38 ms. (1231 steps per ms) remains 11/11 properties
BEST_FIRST walk for 2497 steps (0 resets) in 19 ms. (124 steps per ms) remains 0/11 properties
Knowledge based reduction with 5 factoid took 282 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 450 ms :[(NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
[2026-05-25 07:47:29] [INFO ] Invariant cache hit.
[2026-05-25 07:47:29] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-25 07:47:29] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 07:47:29] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 07:47:29] [INFO ] Added : 15 causal constraints over 3 iterations in 33 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 977 ms.
Stuttering acceptance computed with spot in 454 ms :[(NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
Stuttering acceptance computed with spot in 444 ms :[(NOT p1), (NOT p3), (NOT p3), (NOT p1), (NOT p1), (AND (NOT p3) (NOT p1)), (AND (NOT p1) (NOT p3)), (NOT p1)]
Product exploration explored 100000 steps with 1298 reset in 309 ms.
Product exploration explored 100000 steps with 1271 reset in 318 ms.
Spot run failed in 148 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/ltsmin16369598762685792866
[2026-05-25 07:47:31] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16369598762685792866
Running compilation step : cd /tmp/ltsmin16369598762685792866;'/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 435 ms.
Running link step : cd /tmp/ltsmin16369598762685792866;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 75 ms.
Running LTSmin : cd /tmp/ltsmin16369598762685792866;'/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/stateBased7937796076539599425.hoa' '--buchi-type=spotba'
LTSmin run took 255 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-00 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-00 finished in 8577 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(!p0)&&p1)))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 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-6667519105398494773.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5816088375982750544.kers'
[2026-05-25 07:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6667519105398494773.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5816088375982750544.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 07:47:32] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5816088375982750544.kers
Total runtime 0 ms.
[2026-05-25 07:47:32] [INFO ] Implicit Places using invariants in 50 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 21/24 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(!p0)&&p1)))'
Stuttering acceptance computed with spot in 172 ms :[p0, true, (OR (NOT p1) p0), true]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-01 finished in 266 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 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 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 9 rules applied. Total rules applied 9 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 15 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 15 place count 15 transition count 10
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 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 25 place count 10 transition count 7
Applied a total of 25 rules in 27 ms. Remains 10 /24 variables (removed 14) 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-16215126466419125663.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6495722844270609992.kers'
[2026-05-25 07:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16215126466419125663.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6495722844270609992.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 10 cols 24 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-25 07:47:32] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6495722844270609992.kers
Total runtime 0 ms.
[2026-05-25 07:47:32] [INFO ] Implicit Places using invariants in 42 ms returned [7, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/24 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-11672898161878956553.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7937379617533464999.kers'
[2026-05-25 07:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11672898161878956553.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7937379617533464999.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 6 cols 14 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-25 07:47:32] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7937379617533464999.kers
Total runtime 0 ms.
[2026-05-25 07:47:32] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 07:47:32] [INFO ] Invariant cache hit.
[2026-05-25 07:47:32] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/24 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 138 ms. Remains : 6/24 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 53 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-02
Product exploration explored 100000 steps with 0 reset in 167 ms.
Stack based approach found an accepted trace after 99 steps with 0 reset with depth 100 and stack size 100 in 1 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-02 finished in 393 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 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 17 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 13 place count 16 transition count 13
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 13 place count 16 transition count 10
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 19 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 3 with 6 rules applied. Total rules applied 25 place count 10 transition count 7
Applied a total of 25 rules in 6 ms. Remains 10 /24 variables (removed 14) 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-8219219735509129634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8891436673944556437.kers'
[2026-05-25 07:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8219219735509129634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8891436673944556437.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 10 cols 24 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-25 07:47:33] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8891436673944556437.kers
Total runtime 0 ms.
[2026-05-25 07:47:33] [INFO ] Implicit Places using invariants in 37 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/24 places, 7/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46 ms. Remains : 9/24 places, 7/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 99 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-03
Product exploration explored 100000 steps with 10753 reset in 94 ms.
Product exploration explored 100000 steps with 12414 reset in 329 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 63 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 4008 steps (0 resets) in 7 ms. (501 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 74 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-231502949661910404.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3076833548865792308.kers'
[2026-05-25 07:47:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-231502949661910404.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3076833548865792308.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 9 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-25 07:47:33] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3076833548865792308.kers
Total runtime 0 ms.
[2026-05-25 07:47:33] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-25 07:47:33] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 07:47:33] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:47:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 07:47:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 07:47:33] [INFO ] Computed and/alt/rep : 6/6/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 07:47:33] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 315 ms.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2026-05-25 07:47:33] [INFO ] Invariant cache hit.
[2026-05-25 07:47:33] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 07:47:33] [INFO ] Invariant cache hit.
[2026-05-25 07:47:34] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2026-05-25 07:47:34] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 07:47:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/16 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 6 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/16 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/16 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 18 constraints, problems are : Problem set: 0 solved, 6 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 215ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 273 ms. Remains : 9/9 places, 7/7 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 2 factoid took 79 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 4008 steps (0 resets) in 8 ms. (445 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 88 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
[2026-05-25 07:47:34] [INFO ] Invariant cache hit.
[2026-05-25 07:47:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 07:47:34] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 07:47:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:47:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 07:47:34] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 07:47:34] [INFO ] Computed and/alt/rep : 6/6/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 07:47:34] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 335 ms.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10531 reset in 105 ms.
Product exploration explored 100000 steps with 8427 reset in 638 ms.
Built C files in :
/tmp/ltsmin17549306403602259257
[2026-05-25 07:47:35] [INFO ] Computing symmetric may disable matrix : 7 transitions.
[2026-05-25 07:47:35] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:47:35] [INFO ] Computing symmetric may enable matrix : 7 transitions.
[2026-05-25 07:47:35] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:47:35] [INFO ] Computing Do-Not-Accords matrix : 7 transitions.
[2026-05-25 07:47:35] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:47:35] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17549306403602259257
Running compilation step : cd /tmp/ltsmin17549306403602259257;'/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 118 ms.
Running link step : cd /tmp/ltsmin17549306403602259257;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin17549306403602259257;'/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/stateBased7258774263105950991.hoa' '--buchi-type=spotba'
LTSmin run took 70 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-03 finished in 2793 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(X(X(p1))))&&F((p0&&X((p0 U (!p1||G(p0))))))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 21 transition count 18
Applied a total of 3 rules in 1 ms. Remains 21 /24 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-13591408301925159615.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11747087045346565463.kers'
[2026-05-25 07:47:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13591408301925159615.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11747087045346565463.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 07:47:35] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11747087045346565463.kers
Total runtime 1 ms.
[2026-05-25 07:47:35] [INFO ] Implicit Places using invariants in 40 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 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 43 ms. Remains : 20/24 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(X(X(p1))))&&F((p0&&X((p0 U (!p1||G(p0))))))))'
Stuttering acceptance computed with spot in 585 ms :[(OR (NOT p1) (NOT p0)), (NOT p1), (NOT p0), (NOT p1), (AND (NOT p0) p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-04 finished in 678 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(p1)&&p0)) U X(X((X(!p2)||F(p3))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 21 transition count 18
Applied a total of 3 rules in 1 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2026-05-25 07:47:36] [INFO ] Invariant cache hit.
[2026-05-25 07:47:36] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-25 07:47:36] [INFO ] Invariant cache hit.
[2026-05-25 07:47:36] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 07:47:36] [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 540 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 464 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 1013ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1013ms
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1103 ms. Remains : 21/24 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(p1)&&p0)) U X(X((X(!p2)||F(p3))))))'
Stuttering acceptance computed with spot in 1038 ms :[(AND p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-05
Product exploration explored 100000 steps with 1942 reset in 195 ms.
Product exploration explored 100000 steps with 1925 reset in 215 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 12 factoid took 192 ms. Reduced automaton from 18 states, 40 edges and 4 AP (stutter sensitive) to 12 states, 23 edges and 4 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 48020 steps (8 resets) in 19 ms. (2401 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 2/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 295 ms. (135 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 2/2 properties
[2026-05-25 07:47:39] [INFO ] Invariant cache hit.
Problem apf4 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 4/39 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 0/4 constraints, State Equation: 0/21 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 14 factoid took 311 ms. Reduced automaton from 12 states, 23 edges and 4 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 247 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3)]
[2026-05-25 07:47:40] [INFO ] Invariant cache hit.
[2026-05-25 07:47:40] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 07:47:40] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-25 07:47:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:47:40] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-25 07:47:40] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-25 07:47:40] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 07:47:40] [INFO ] Added : 12 causal constraints over 3 iterations in 27 ms. Result :sat
Could not prove EG (AND (NOT p3) p2)
Knowledge-based reduction took 1149 ms.
Stuttering acceptance computed with spot in 245 ms :[(AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (NOT p3)]
Support contains 3 out of 21 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 07:47:40] [INFO ] Invariant cache hit.
[2026-05-25 07:47:40] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 07:47:40] [INFO ] Invariant cache hit.
[2026-05-25 07:47:40] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 104 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 67 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 48020 steps (8 resets) in 17 ms. (2667 steps per ms) remains 3/3 properties
BEST_FIRST walk for 1055 steps (0 resets) in 8 ms. (117 steps per ms) remains 0/3 properties
Knowledge based reduction with 1 factoid took 111 ms. Reduced automaton from 5 states, 5 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 249 ms :[(NOT p3), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2)]
[2026-05-25 07:47:41] [INFO ] Invariant cache hit.
[2026-05-25 07:47:41] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 07:47:41] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-25 07:47:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 07:47:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-25 07:47:41] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-25 07:47:41] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 07:47:41] [INFO ] Added : 12 causal constraints over 3 iterations in 26 ms. Result :sat
Could not prove EG (AND (NOT p3) p2)
Knowledge-based reduction took 605 ms.
Stuttering acceptance computed with spot in 242 ms :[(NOT p3), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2)]
Stuttering acceptance computed with spot in 242 ms :[(NOT p3), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2), (AND (NOT p3) p2)]
Product exploration explored 100000 steps with 1936 reset in 410 ms.
Product exploration explored 100000 steps with 1940 reset in 526 ms.
Spot run failed in 76 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/ltsmin16813721962745391136
[2026-05-25 07:47:42] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16813721962745391136
Running compilation step : cd /tmp/ltsmin16813721962745391136;'/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 102 ms.
Running link step : cd /tmp/ltsmin16813721962745391136;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 31 ms.
Running LTSmin : cd /tmp/ltsmin16813721962745391136;'/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/stateBased5781942889413991762.hoa' '--buchi-type=spotba'
LTSmin run took 113 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-05 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-05 finished in 6543 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(G(p1)))||p0))&&X(X(p2))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 21 transition count 18
Applied a total of 3 rules in 2 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2026-05-25 07:47:43] [INFO ] Invariant cache hit.
[2026-05-25 07:47:43] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 07:47:43] [INFO ] Invariant cache hit.
[2026-05-25 07:47:43] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 21/24 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(G(p1)))||p0))&&X(X(p2))))'
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p1), true, (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-06
Entered a terminal (fully accepting) state of product in 5 steps with 1 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-06 finished in 360 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(G(p0))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 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-1608719149505162397.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6286119123113891339.kers'
[2026-05-25 07:47:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1608719149505162397.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6286119123113891339.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 07:47:43] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6286119123113891339.kers
Total runtime 1 ms.
[2026-05-25 07:47:43] [INFO ] Implicit Places using invariants in 49 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 51 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 21/24 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(G(p0))))'
Stuttering acceptance computed with spot in 167 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-07 finished in 257 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G((p0 U p1))||(p2&&F((p1&&G(p2))))) U (p0&&(G((p0 U p1))||(p2&&F((p1&&G(p2)))))))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 21 transition count 18
Applied a total of 3 rules in 2 ms. Remains 21 /24 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-2832588749926888426.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4943528522795675208.kers'
[2026-05-25 07:47:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2832588749926888426.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4943528522795675208.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 07:47:43] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4943528522795675208.kers
Total runtime 0 ms.
[2026-05-25 07:47:43] [INFO ] Implicit Places using invariants in 41 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 47 ms. Remains : 20/24 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 U p1))||(p2&&F((p1&&G(p2))))) U (p0&&(G((p0 U p1))||(p2&&F((p1&&G(p2)))))))))'
Stuttering acceptance computed with spot in 490 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (NOT p1), (NOT p1), (OR (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-08 finished in 615 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))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 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 9 rules applied. Total rules applied 9 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 15 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 15 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 19 place count 13 transition count 10
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 27 place count 9 transition count 6
Applied a total of 27 rules in 6 ms. Remains 9 /24 variables (removed 15) and now considering 6/18 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-756244795524099138.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15464707202944869997.kers'
[2026-05-25 07:47:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-756244795524099138.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15464707202944869997.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 6 rows 8 cols 18 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-25 07:47:44] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15464707202944869997.kers
Total runtime 0 ms.
[2026-05-25 07:47:44] [INFO ] Implicit Places using invariants in 38 ms returned [5, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/24 places, 6/18 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 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 6 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 5 transition count 4
Applied a total of 4 rules in 2 ms. Remains 5 /7 variables (removed 2) and now considering 4/6 (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-4813167002852286034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15791502491738030814.kers'
[2026-05-25 07:47:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4813167002852286034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15791502491738030814.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-25 07:47:44] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15791502491738030814.kers
Total runtime 0 ms.
[2026-05-25 07:47:44] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 07:47:44] [INFO ] Invariant cache hit.
[2026-05-25 07:47:44] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/24 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 128 ms. Remains : 5/24 places, 4/18 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))'
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 53 ms.
Product exploration explored 100000 steps with 50000 reset in 68 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 17 ms. Proved property starting from automaton with 1 states, 1 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 23 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-09 finished in 360 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) U X((G(p0) U X(X(p1))))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 21 transition count 18
Applied a total of 3 rules in 1 ms. Remains 21 /24 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-8210808796173060906.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11759507433438727771.kers'
[2026-05-25 07:47:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8210808796173060906.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11759507433438727771.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 07:47:44] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11759507433438727771.kers
Total runtime 0 ms.
[2026-05-25 07:47:44] [INFO ] Implicit Places using invariants in 49 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 20/24 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) U X((G(p0) U X(X(p1))))))'
Stuttering acceptance computed with spot in 535 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-10
Product exploration explored 100000 steps with 6882 reset in 68 ms.
Product exploration explored 100000 steps with 6817 reset in 85 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 3 factoid took 54 ms. Reduced automaton from 11 states, 15 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
RANDOM walk for 48020 steps (8 resets) in 10 ms. (4365 steps per ms) remains 3/3 properties
BEST_FIRST walk for 760 steps (0 resets) in 4 ms. (152 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 306 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-420664861127084958.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15344724640421131339.kers'
[2026-05-25 07:47:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-420664861127084958.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15344724640421131339.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 07:47:45] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15344724640421131339.kers
Total runtime 0 ms.
[2026-05-25 07:47:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 07:47:45] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-25 07:47:45] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 07:47:45] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 520 ms.
Stuttering acceptance computed with spot in 398 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 20/20 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-25 07:47:46] [INFO ] Invariant cache hit.
[2026-05-25 07:47:46] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 07:47:46] [INFO ] Invariant cache hit.
[2026-05-25 07:47:46] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-25 07:47:46] [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 451 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 427 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 883ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 884ms
Finished structural reductions in LTL mode , in 1 iterations and 979 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 76 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
RANDOM walk for 48020 steps (8 resets) in 16 ms. (2824 steps per ms) remains 3/3 properties
BEST_FIRST walk for 354 steps (0 resets) in 4 ms. (70 steps per ms) remains 0/3 properties
Knowledge based reduction with 1 factoid took 122 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 398 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
[2026-05-25 07:47:47] [INFO ] Invariant cache hit.
[2026-05-25 07:47:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-25 07:47:47] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2026-05-25 07:47:47] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 07:47:47] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 672 ms.
Stuttering acceptance computed with spot in 395 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 398 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 7603 reset in 119 ms.
Product exploration explored 100000 steps with 7779 reset in 142 ms.
Spot run failed in 78 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/ltsmin14299207413838409107
[2026-05-25 07:47:49] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14299207413838409107
Running compilation step : cd /tmp/ltsmin14299207413838409107;'/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 153 ms.
Running link step : cd /tmp/ltsmin14299207413838409107;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin14299207413838409107;'/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/stateBased14683667574564840309.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 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.
[2026-05-25 07:48:04] [INFO ] Invariant cache hit.
[2026-05-25 07:48:04] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 07:48:04] [INFO ] Invariant cache hit.
[2026-05-25 07:48:04] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 ms. Remains : 20/20 places, 18/18 transitions.
Built C files in :
/tmp/ltsmin16722405595698128549
[2026-05-25 07:48:04] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16722405595698128549
Running compilation step : cd /tmp/ltsmin16722405595698128549;'/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 90 ms.
Running link step : cd /tmp/ltsmin16722405595698128549;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin16722405595698128549;'/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/stateBased5276453777809525211.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-25 07:48:19] [INFO ] Flatten gal took : 3 ms
[2026-05-25 07:48:19] [INFO ] Flatten gal took : 3 ms
[2026-05-25 07:48:19] [INFO ] Time to serialize gal into /tmp/LTL11708341369893405622.gal : 1 ms
[2026-05-25 07:48:19] [INFO ] Time to serialize properties into /tmp/LTL18145290883379965483.prop : 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/LTL11708341369893405622.gal' '-t' 'CGAL' '-hoa' '/tmp/aut3271124569233691396.hoa' '-atoms' '/tmp/LTL18145290883379965483.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...319
Loading property file /tmp/LTL18145290883379965483.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut3271124569233691396.hoa
Detected timeout of ITS tools.
[2026-05-25 07:48:34] [INFO ] Flatten gal took : 3 ms
[2026-05-25 07:48:34] [INFO ] Flatten gal took : 3 ms
[2026-05-25 07:48:34] [INFO ] Time to serialize gal into /tmp/LTL17009055060046767101.gal : 1 ms
[2026-05-25 07:48:34] [INFO ] Time to serialize properties into /tmp/LTL14000282313366279912.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/LTL17009055060046767101.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14000282313366279912.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 : !(((F("(Cb>=1)"))U(X((G("(Cb>=1)"))U(X(X("(StR>=1)")))))))
Formula 0 simplified : G!"(Cb>=1)" R X(F!"(Cb>=1)" R XX!"(StR>=1)")
Detected timeout of ITS tools.
[2026-05-25 07:48:49] [INFO ] Flatten gal took : 2 ms
[2026-05-25 07:48:49] [INFO ] Applying decomposition
[2026-05-25 07:48:49] [INFO ] Flatten gal took : 2 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/graph16516594474617530310.txt' '-o' '/tmp/graph16516594474617530310.bin' '-w' '/tmp/graph16516594474617530310.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16516594474617530310.bin' '-l' '-1' '-v' '-w' '/tmp/graph16516594474617530310.weights' '-q' '0' '-e' '0.001'
[2026-05-25 07:48:49] [INFO ] Decomposing Gal with order
[2026-05-25 07:48:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:48:49] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-25 07:48:49] [INFO ] Flatten gal took : 75 ms
[2026-05-25 07:48:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 07:48:49] [INFO ] Time to serialize gal into /tmp/LTL12200882650136810109.gal : 2 ms
[2026-05-25 07:48:49] [INFO ] Time to serialize properties into /tmp/LTL8560161729139352281.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/LTL12200882650136810109.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8560161729139352281.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...255
Read 1 LTL properties
Checking formula 0 : !(((F("(u4.Cb>=1)"))U(X((G("(u4.Cb>=1)"))U(X(X("(u3.StR>=1)")))))))
Formula 0 simplified : G!"(u4.Cb>=1)" R X(F!"(u4.Cb>=1)" R XX!"(u3.StR>=1)")
Detected timeout of ITS tools.
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-10 finished in 80030 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||X((p1 U p2))) U X(!p3)))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 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-18238345456957616105.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12315627431195828392.kers'
[2026-05-25 07:49:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18238345456957616105.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12315627431195828392.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 07:49:04] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12315627431195828392.kers
Total runtime 0 ms.
[2026-05-25 07:49:04] [INFO ] Implicit Places using invariants in 34 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 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 36 ms. Remains : 21/24 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 p1))||p2) U X(!p3)))'
Stuttering acceptance computed with spot in 227 ms :[p3, (AND (NOT p1) p3), p3, true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-11 finished in 293 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 17
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 21 transition count 17
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 4 place count 21 transition count 13
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 12 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 14 place count 16 transition count 12
Applied a total of 14 rules in 5 ms. Remains 16 /24 variables (removed 8) 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-11142203846717524371.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4875213484462066575.kers'
[2026-05-25 07:49:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11142203846717524371.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4875213484462066575.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 12 rows 16 cols 36 entries
Finished phase 1 with 10 SingleSign rule and 1 generalized
[2026-05-25 07:49:04] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4875213484462066575.kers
Total runtime 0 ms.
[2026-05-25 07:49:04] [INFO ] Implicit Places using invariants in 38 ms returned [15]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/24 places, 12/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46 ms. Remains : 15/24 places, 12/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)))'
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-13
Product exploration explored 100000 steps with 3298 reset in 183 ms.
Stack based approach found an accepted trace after 6547 steps with 222 reset with depth 21 and stack size 21 in 12 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-13 finished in 373 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(!p1)||p0))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 12 place count 17 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 14 place count 16 transition count 12
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 18 place count 14 transition count 10
Applied a total of 18 rules in 4 ms. Remains 14 /24 variables (removed 10) and now considering 10/18 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4063807015234529859.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10468486650004373784.kers'
[2026-05-25 07:49:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4063807015234529859.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10468486650004373784.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 14 cols 32 entries
Finished phase 1 with 8 SingleSign rule and 1 generalized
[2026-05-25 07:49:05] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10468486650004373784.kers
Total runtime 0 ms.
[2026-05-25 07:49:05] [INFO ] Implicit Places using invariants in 45 ms returned [9, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 46 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 10/18 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 12 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 11 transition count 9
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 4 place count 10 transition count 8
Applied a total of 4 rules in 3 ms. Remains 10 /12 variables (removed 2) and now considering 8/10 (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-5298058002304892424.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3768138573601406379.kers'
[2026-05-25 07:49:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5298058002304892424.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3768138573601406379.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 10 cols 22 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-25 07:49:05] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3768138573601406379.kers
Total runtime 0 ms.
[2026-05-25 07:49:05] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 07:49:05] [INFO ] Invariant cache hit.
[2026-05-25 07:49:05] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/24 places, 8/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 124 ms. Remains : 10/24 places, 8/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Stuttering acceptance computed with spot in 98 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0500P0-LTLFireability-15
Product exploration explored 100000 steps with 2312 reset in 148 ms.
Stack based approach found an accepted trace after 309 steps with 3 reset with depth 107 and stack size 107 in 2 ms.
FORMULA ClientsAndServers-PT-N0500P0-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0500P0-LTLFireability-15 finished in 414 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) U X((G(p0) U X(X(p1))))))'
Spot run failed in 82 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 07:49:05] [INFO ] Flatten gal took : 4 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin16399668325769436724
[2026-05-25 07:49:05] [INFO ] Computing symmetric may disable matrix : 18 transitions.
[2026-05-25 07:49:05] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:49:05] [INFO ] Computing symmetric may enable matrix : 18 transitions.
[2026-05-25 07:49:05] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:49:05] [INFO ] Computing Do-Not-Accords matrix : 18 transitions.
[2026-05-25 07:49:05] [INFO ] Applying decomposition
[2026-05-25 07:49:05] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-25 07:49:05] [INFO ] Built C files in 7ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16399668325769436724
Running compilation step : cd /tmp/ltsmin16399668325769436724;'/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 07:49:05] [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/graph392488968789800759.txt' '-o' '/tmp/graph392488968789800759.bin' '-w' '/tmp/graph392488968789800759.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph392488968789800759.bin' '-l' '-1' '-v' '-w' '/tmp/graph392488968789800759.weights' '-q' '0' '-e' '0.001'
[2026-05-25 07:49:05] [INFO ] Decomposing Gal with order
[2026-05-25 07:49:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:49:05] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-25 07:49:05] [INFO ] Flatten gal took : 7 ms
[2026-05-25 07:49:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-25 07:49:05] [INFO ] Time to serialize gal into /tmp/LTLFireability9782231315447081911.gal : 2 ms
[2026-05-25 07:49:05] [INFO ] Time to serialize properties into /tmp/LTLFireability18015173414924821264.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/LTLFireability9782231315447081911.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability18015173414924821264.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 : !(((F("(u8.Cb>=1)"))U(X((G("(u8.Cb>=1)"))U(X(X("(i3.u5.StR>=1)")))))))
Formula 0 simplified : G!"(u8.Cb>=1)" R X(F!"(u8.Cb>=1)" R XX!"(i3.u5.StR>=1)")
Compilation finished in 196 ms.
Running link step : cd /tmp/ltsmin16399668325769436724;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin16399668325769436724;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' '(<>((LTLAPp0==true)) U X(([]((LTLAPp0==true)) U X(X((LTLAPp1==true))))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-25 08:09:41] [INFO ] Flatten gal took : 3 ms
[2026-05-25 08:09:41] [INFO ] Time to serialize gal into /tmp/LTLFireability15697847764342278447.gal : 1 ms
[2026-05-25 08:09:41] [INFO ] Time to serialize properties into /tmp/LTLFireability5842768845496487523.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/LTLFireability15697847764342278447.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability5842768845496487523.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...298
Read 1 LTL properties
Checking formula 0 : !(((F("(Cb>=1)"))U(X((G("(Cb>=1)"))U(X(X("(StR>=1)")))))))
Formula 0 simplified : G!"(Cb>=1)" R X(F!"(Cb>=1)" R XX!"(StR>=1)")
Detected timeout of ITS tools.
[2026-05-25 08:30:18] [INFO ] Flatten gal took : 254 ms
[2026-05-25 08:30:18] [INFO ] Input system was already deterministic with 18 transitions.
[2026-05-25 08:30:19] [INFO ] Transformed 24 places.
[2026-05-25 08:30:19] [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 08:30:19] [INFO ] Time to serialize gal into /tmp/LTLFireability8434741726317565397.gal : 5 ms
[2026-05-25 08:30:19] [INFO ] Time to serialize properties into /tmp/LTLFireability2115538190520668735.ltl : 8 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/LTLFireability8434741726317565397.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability2115538190520668735.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 : !(((F("(Cb>=1)"))U(X((G("(Cb>=1)"))U(X(X("(StR>=1)")))))))
Formula 0 simplified : G!"(Cb>=1)" R X(F!"(Cb>=1)" R XX!"(StR>=1)")

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-N0500P0"
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-N0500P0, 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-177946901200404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0500P0.tgz
mv ClientsAndServers-PT-N0500P0 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 ;