fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r050-smll-177946901200356
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ClientsAndServers-PT-N0020P2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16125.472 3600000.00 7175670.00 11066.90 T?FFFFFFFFFFFFFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r050-smll-177946901200356.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-N0020P2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200356
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.4K Mar 6 10:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 10:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 10:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 10:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 6 10:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 10:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 10:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.2K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0020P2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779651693254

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-N0020P2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 19:41:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 19:41:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 19:41:35] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2026-05-24 19:41:35] [INFO ] Transformed 25 places.
[2026-05-24 19:41:35] [INFO ] Transformed 18 transitions.
[2026-05-24 19:41:35] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 271 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
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 31 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-1841272912027337178.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5745841853305351195.kers'
[2026-05-24 19:41:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1841272912027337178.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5745841853305351195.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
[2026-05-24 19:41:36] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5745841853305351195.kers
Total runtime 2 ms.
[2026-05-24 19:41:36] [INFO ] Implicit Places using invariants in 341 ms returned []
[2026-05-24 19:41:36] [INFO ] Invariant cache hit.
[2026-05-24 19:41:36] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 556 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 19:41:36] [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 747 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 640 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 1427ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1450ms
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2111 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.
[2026-05-24 19:41:38] [INFO ] Invariant cache hit.
[2026-05-24 19:41:38] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-24 19:41:38] [INFO ] Invariant cache hit.
[2026-05-24 19:41:38] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 107 ms. Remains : 24/24 places, 18/18 transitions.
Support contains 23 out of 24 places after structural reductions.
[2026-05-24 19:41:38] [INFO ] Flatten gal took : 25 ms
[2026-05-24 19:41:38] [INFO ] Flatten gal took : 7 ms
[2026-05-24 19:41:38] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 21 to 19
RANDOM walk for 6713 steps (2 resets) in 100 ms. (66 steps per ms) remains 0/19 properties
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F((G(p1)||p0))))&&F((p2&&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 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 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-1620774867611026440.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4863138703053315980.kers'
[2026-05-24 19:41:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1620774867611026440.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4863138703053315980.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 19:41:39] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4863138703053315980.kers
Total runtime 1 ms.
[2026-05-24 19:41:39] [INFO ] Implicit Places using invariants in 57 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 59 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 63 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' '!((X(X(F((G(p1)||p0))))&&F((p2&&X(p2)))))'
Stuttering acceptance computed with spot in 499 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-00
Product exploration explored 100000 steps with 40003 reset in 476 ms.
Product exploration explored 100000 steps with 40015 reset in 171 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 7 factoid took 66 ms. Proved property starting from automaton with 5 states, 9 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 72 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-00 finished in 1411 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&(G(p1) U X(p2)))))'
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 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 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-10289203052968466405.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16598418095302412428.kers'
[2026-05-24 19:41:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10289203052968466405.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16598418095302412428.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 19:41:40] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16598418095302412428.kers
Total runtime 1 ms.
[2026-05-24 19:41:40] [INFO ] Implicit Places using invariants in 43 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 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 50 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((F(p0)&&(G(p1) U X(p2)))))'
Stuttering acceptance computed with spot in 254 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2), (NOT p2), true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-01
Product exploration explored 100000 steps with 6600 reset in 462 ms.
Product exploration explored 100000 steps with 6485 reset in 308 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 8 factoid took 75 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
RANDOM walk for 1632 steps (0 resets) in 9 ms. (163 steps per ms) remains 0/1 properties
Knowledge based reduction with 8 factoid took 84 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (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-14266033425211373673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3063478607142150059.kers'
[2026-05-24 19:41:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14266033425211373673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3063478607142150059.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 44 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:41:42] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3063478607142150059.kers
Total runtime 0 ms.
[2026-05-24 19:41:42] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 19:41:42] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-24 19:41:42] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-24 19:41:42] [INFO ] Added : 6 causal constraints over 2 iterations in 31 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 390 ms.
Stuttering acceptance computed with spot in 135 ms :[(NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 21 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 19:41:42] [INFO ] Invariant cache hit.
[2026-05-24 19:41:42] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 19:41:42] [INFO ] Invariant cache hit.
[2026-05-24 19:41:42] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 19:41:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 443 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 465 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 917ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 919ms
Finished structural reductions in LTL mode , in 1 iterations and 999 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 2 factoid took 55 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
RANDOM walk for 1632 steps (0 resets) in 5 ms. (272 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 69 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(NOT p0), (NOT p0), (NOT p0)]
[2026-05-24 19:41:43] [INFO ] Invariant cache hit.
[2026-05-24 19:41:43] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 19:41:43] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-24 19:41:43] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-24 19:41:43] [INFO ] Added : 6 causal constraints over 2 iterations in 21 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 348 ms.
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 146 ms :[(NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3678 reset in 90 ms.
Product exploration explored 100000 steps with 3699 reset in 109 ms.
Spot run failed in 155 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/ltsmin5863111405676696519
[2026-05-24 19:41:44] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5863111405676696519
Running compilation step : cd /tmp/ltsmin5863111405676696519;'/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 442 ms.
Running link step : cd /tmp/ltsmin5863111405676696519;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 94 ms.
Running LTSmin : cd /tmp/ltsmin5863111405676696519;'/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/stateBased10577918362748943092.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 19:41:59] [INFO ] Invariant cache hit.
[2026-05-24 19:41:59] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 19:41:59] [INFO ] Invariant cache hit.
[2026-05-24 19:41:59] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 104 ms. Remains : 21/21 places, 18/18 transitions.
Built C files in :
/tmp/ltsmin3897957698827479234
[2026-05-24 19:41:59] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3897957698827479234
Running compilation step : cd /tmp/ltsmin3897957698827479234;'/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 137 ms.
Running link step : cd /tmp/ltsmin3897957698827479234;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin3897957698827479234;'/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/stateBased6135388766944056225.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 19:42:14] [INFO ] Flatten gal took : 4 ms
[2026-05-24 19:42:14] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:42:14] [INFO ] Time to serialize gal into /tmp/LTL2619676617818633362.gal : 2 ms
[2026-05-24 19:42:14] [INFO ] Time to serialize properties into /tmp/LTL18290859451439170497.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/LTL2619676617818633362.gal' '-t' 'CGAL' '-hoa' '/tmp/aut15896840300181916088.hoa' '-atoms' '/tmp/LTL18290859451439170497.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/LTL18290859451439170497.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut15896840300181916088.hoa
Detected timeout of ITS tools.
[2026-05-24 19:42:29] [INFO ] Flatten gal took : 3 ms
[2026-05-24 19:42:29] [INFO ] Flatten gal took : 2 ms
[2026-05-24 19:42:29] [INFO ] Time to serialize gal into /tmp/LTL4119596241021577061.gal : 1 ms
[2026-05-24 19:42:29] [INFO ] Time to serialize properties into /tmp/LTL16386342579099035626.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/LTL4119596241021577061.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16386342579099035626.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...276
Read 1 LTL properties
Checking formula 0 : !((X((F("((CG>=1)&&(CwG>=1))"))&&((G("(MpA<1)"))U(X("(Ci>=1)"))))))
Formula 0 simplified : X(G!"((CG>=1)&&(CwG>=1))" | (F!"(MpA<1)" R X!"(Ci>=1)"))
Detected timeout of ITS tools.
[2026-05-24 19:42:44] [INFO ] Flatten gal took : 4 ms
[2026-05-24 19:42:44] [INFO ] Applying decomposition
[2026-05-24 19:42:44] [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/graph10553828866711452571.txt' '-o' '/tmp/graph10553828866711452571.bin' '-w' '/tmp/graph10553828866711452571.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10553828866711452571.bin' '-l' '-1' '-v' '-w' '/tmp/graph10553828866711452571.weights' '-q' '0' '-e' '0.001'
[2026-05-24 19:42:44] [INFO ] Decomposing Gal with order
[2026-05-24 19:42:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 19:42:44] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-24 19:42:44] [INFO ] Flatten gal took : 65 ms
[2026-05-24 19:42:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-24 19:42:44] [INFO ] Time to serialize gal into /tmp/LTL16926437489278245005.gal : 1 ms
[2026-05-24 19:42:44] [INFO ] Time to serialize properties into /tmp/LTL6018891439556425941.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/LTL16926437489278245005.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL6018891439556425941.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 : !((X((F("((u4.CG>=1)&&(u4.CwG>=1))"))&&((G("(u1.MpA<1)"))U(X("(u5.Ci>=1)"))))))
Formula 0 simplified : X(G!"((u4.CG>=1)&&(u4.CwG>=1))" | (F!"(u1.MpA<1)" R X!"(u5.Ci>=1)"))
Detected timeout of ITS tools.
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-01 finished in 79239 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(F(p0)) U G((!p1||G(p2))))))'
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 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-15293409971910930556.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15213008414432899386.kers'
[2026-05-24 19:42:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15293409971910930556.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15213008414432899386.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:42:59] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15213008414432899386.kers
Total runtime 0 ms.
[2026-05-24 19:43:00] [INFO ] Implicit Places using invariants in 65 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 69 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 71 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((G(F(p0)) U G((!p1||G(p2))))))'
Stuttering acceptance computed with spot in 328 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-02
Product exploration explored 100000 steps with 1432 reset in 329 ms.
Product exploration explored 100000 steps with 1402 reset in 460 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 19 factoid took 109 ms. Reduced automaton from 6 states, 20 edges and 3 AP (stutter sensitive) to 5 states, 19 edges and 3 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 11 to 10
RANDOM walk for 6125 steps (2 resets) in 23 ms. (255 steps per ms) remains 0/10 properties
Knowledge based reduction with 19 factoid took 296 ms. Reduced automaton from 5 states, 19 edges and 3 AP (stutter insensitive) to 5 states, 19 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 283 ms :[(AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Knowledge-based reduction took 726 ms.
Stuttering acceptance computed with spot in 277 ms :[(AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
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 4 rules applied. Total rules applied 4 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 17 transition count 14
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 8 place count 17 transition count 12
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 12 place count 15 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 2 with 4 rules applied. Total rules applied 16 place count 13 transition count 10
Applied a total of 16 rules in 27 ms. Remains 13 /21 variables (removed 8) 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-13709178270692973360.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8096385191532558290.kers'
[2026-05-24 19:43:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13709178270692973360.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8096385191532558290.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 13 cols 30 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-24 19:43:02] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8096385191532558290.kers
Total runtime 0 ms.
[2026-05-24 19:43:02] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-24 19:43:02] [INFO ] Invariant cache hit.
[2026-05-24 19:43:02] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
[2026-05-24 19:43:02] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2026-05-24 19:43:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/13 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/23 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 17 constraints, problems are : Problem set: 0 solved, 9 unsolved in 277 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 1/13 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 26 constraints, problems are : Problem set: 0 solved, 9 unsolved in 280 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 563ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 564ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/21 places, 10/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 702 ms. Remains : 13/21 places, 10/18 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 23 factoid took 113 ms. Reduced automaton from 5 states, 19 edges and 3 AP (stutter insensitive) to 5 states, 19 edges and 3 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 11 to 10
RANDOM walk for 1902 steps (0 resets) in 12 ms. (146 steps per ms) remains 0/10 properties
Knowledge based reduction with 23 factoid took 291 ms. Reduced automaton from 5 states, 19 edges and 3 AP (stutter insensitive) to 5 states, 19 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 276 ms :[(AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Knowledge-based reduction took 691 ms.
Stuttering acceptance computed with spot in 275 ms :[(AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 267 ms :[(AND p1 (NOT p2)), (NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 3247 reset in 242 ms.
Stack based approach found an accepted trace after 17242 steps with 556 reset with depth 37 and stack size 37 in 106 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-02 finished in 4585 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 U p1))))'
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 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. 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.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 21 transition count 15
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 8 place count 19 transition count 15
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 8 place count 19 transition count 11
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 16 place count 15 transition count 11
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 17 place count 14 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 21 place count 12 transition count 9
Applied a total of 21 rules in 8 ms. Remains 12 /24 variables (removed 12) and now considering 9/18 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8518363328191403789.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13737250028461823222.kers'
[2026-05-24 19:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8518363328191403789.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13737250028461823222.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 12 cols 26 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 19:43:04] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13737250028461823222.kers
Total runtime 0 ms.
[2026-05-24 19:43:04] [INFO ] Implicit Places using invariants in 47 ms returned [9, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 50 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 9/18 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 10 transition count 7
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 7
Applied a total of 4 rules in 3 ms. Remains 8 /10 variables (removed 2) and now considering 7/9 (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-11576167794645570102.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5166890668947107724.kers'
[2026-05-24 19:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11576167794645570102.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5166890668947107724.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 8 cols 18 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 19:43:04] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5166890668947107724.kers
Total runtime 0 ms.
[2026-05-24 19:43:04] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 19:43:04] [INFO ] Invariant cache hit.
[2026-05-24 19:43:04] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 145 ms. Remains : 8/24 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' '!(F(G((p0 U p1))))'
Stuttering acceptance computed with spot in 111 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-03
Product exploration explored 100000 steps with 729 reset in 177 ms.
Stack based approach found an accepted trace after 270 steps with 3 reset with depth 8 and stack size 8 in 1 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-03 finished in 473 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)) U p1))'
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 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 22 transition count 15
Reduce places removed 3 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 19 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 12 place count 17 transition count 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 6 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-9348353877518785443.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3337445370834832056.kers'
[2026-05-24 19:43:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9348353877518785443.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3337445370834832056.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 10 rows 13 cols 28 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-24 19:43:05] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3337445370834832056.kers
Total runtime 0 ms.
[2026-05-24 19:43:05] [INFO ] Implicit Places using invariants in 55 ms returned [9, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 56 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 10/18 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 12 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 10 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 10 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 9 transition count 7
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 8 place count 8 transition count 6
Applied a total of 8 rules in 3 ms. Remains 8 /12 variables (removed 4) and now considering 6/10 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8147609128284640279.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2032889395500745123.kers'
[2026-05-24 19:43:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8147609128284640279.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2032889395500745123.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 16 entries
Finished phase 1 with 4 SingleSign rule and 1 generalized
[2026-05-24 19:43:05] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2032889395500745123.kers
Total runtime 0 ms.
[2026-05-24 19:43:05] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 19:43:05] [INFO ] Invariant cache hit.
[2026-05-24 19:43:05] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/24 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 152 ms. Remains : 8/24 places, 6/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U p1))'
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 260 ms.
Stack based approach found an accepted trace after 1791 steps with 0 reset with depth 1792 and stack size 1746 in 7 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-04 finished in 559 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 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 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-8133726387569620760.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10355013409607378621.kers'
[2026-05-24 19:43:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8133726387569620760.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10355013409607378621.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:43:05] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10355013409607378621.kers
Total runtime 0 ms.
[2026-05-24 19:43:05] [INFO ] Implicit Places using invariants in 67 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 69 ms to find 2 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 72 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(X(G(p0))))'
Stuttering acceptance computed with spot in 169 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-06
Entered a terminal (fully accepting) state of product in 56 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-06 finished in 282 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p1 U X(X(p2)))&&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 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 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-3873814372354102418.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-947894713652168410.kers'
[2026-05-24 19:43:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3873814372354102418.kers, --Pflows, --basisKERS=/tmp/petrispot-output-947894713652168410.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 19:43:05] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-947894713652168410.kers
Total runtime 1 ms.
[2026-05-24 19:43:05] [INFO ] Implicit Places using invariants in 57 ms returned [14, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 73 ms to find 2 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 76 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(((p1 U X(X(p2)))&&p0)))'
Stuttering acceptance computed with spot in 264 ms :[(NOT p2), (NOT p2), (NOT p2), (OR (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (OR (NOT p2) (NOT p0)), true]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-07 finished in 381 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||X(F(p1))) U !p2)))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 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 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 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-3768568284262506177.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8199224902614902077.kers'
[2026-05-24 19:43:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3768568284262506177.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8199224902614902077.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 19:43:06] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8199224902614902077.kers
Total runtime 0 ms.
[2026-05-24 19:43:06] [INFO ] Implicit Places using invariants in 42 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 2 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 47 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||X(F(p1))) U !p2)))'
Stuttering acceptance computed with spot in 107 ms :[p2, p2, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-08
Product exploration explored 100000 steps with 3710 reset in 335 ms.
Product exploration explored 100000 steps with 3685 reset in 283 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 8 factoid took 56 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 7 states, 17 edges and 3 AP (stutter insensitive).
RANDOM walk for 40063 steps (14 resets) in 65 ms. (607 steps per ms) remains 2/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 232 ms. (171 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4839339028536490893.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5293651497849184632.kers'
[2026-05-24 19:43:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4839339028536490893.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5293651497849184632.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 44 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:43:07] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5293651497849184632.kers
Total runtime 0 ms.
Problem apf2 is UNSAT
Problem apf3 is UNSAT
After SMT solving in domain Real declared 6/39 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 21 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 10 factoid took 122 ms. Reduced automaton from 7 states, 17 edges and 3 AP (stutter insensitive) to 8 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 334 ms :[(OR (NOT p1) p2), p2, (NOT p1), false, false, false, false, false]
[2026-05-24 19:43:07] [INFO ] Invariant cache hit.
[2026-05-24 19:43:07] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 19:43:07] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-24 19:43:07] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 19:43:07] [INFO ] Added : 6 causal constraints over 2 iterations in 18 ms. Result :sat
Could not prove EG (NOT p1)
[2026-05-24 19:43:07] [INFO ] Invariant cache hit.
[2026-05-24 19:43:07] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 19:43:07] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-24 19:43:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:07] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 19:43:07] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-24 19:43:07] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 19:43:07] [INFO ] Added : 9 causal constraints over 2 iterations in 24 ms. Result :sat
Could not prove EG p2
Knowledge-based reduction took 951 ms.
Stuttering acceptance computed with spot in 435 ms :[(OR (NOT p1) p2), p2, (NOT p1), false, false, false, false, false]
Support contains 6 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
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 4 rules applied. Total rules applied 4 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 8 rules applied. Total rules applied 12 place count 17 transition count 10
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 16 place count 13 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 16 place count 13 transition count 9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 12 transition count 9
Applied a total of 18 rules in 6 ms. Remains 12 /21 variables (removed 9) and now considering 9/18 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18254455913459359518.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13212535342064293702.kers'
[2026-05-24 19:43:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18254455913459359518.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13212535342064293702.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 12 cols 26 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 19:43:08] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13212535342064293702.kers
Total runtime 0 ms.
[2026-05-24 19:43:08] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 19:43:08] [INFO ] Invariant cache hit.
[2026-05-24 19:43:08] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2026-05-24 19:43:08] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
[2026-05-24 19:43:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/21 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/21 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 16 constraints, problems are : Problem set: 0 solved, 8 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/21 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/21 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 24 constraints, problems are : Problem set: 0 solved, 8 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 414ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 415ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/21 places, 9/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 538 ms. Remains : 12/21 places, 9/18 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 19 factoid took 88 ms. Reduced automaton from 8 states, 22 edges and 3 AP (stutter insensitive) to 8 states, 22 edges and 3 AP (stutter insensitive).
RANDOM walk for 40082 steps (17 resets) in 45 ms. (871 steps per ms) remains 2/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 103 ms. (384 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
[2026-05-24 19:43:09] [INFO ] Invariant cache hit.
Problem apf2 is UNSAT
Problem apf3 is UNSAT
After SMT solving in domain Real declared 6/21 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 19 ms.
Refiners :[Positive P Invariants (semi-flows): 0/4 constraints, State Equation: 0/12 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 21 factoid took 193 ms. Reduced automaton from 8 states, 22 edges and 3 AP (stutter insensitive) to 8 states, 22 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 411 ms :[(OR (NOT p1) p2), p2, (NOT p1), false, false, false, false, false]
[2026-05-24 19:43:09] [INFO ] Invariant cache hit.
[2026-05-24 19:43:09] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:09] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 19:43:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 19:43:09] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-24 19:43:09] [INFO ] Computed and/alt/rep : 8/9/8 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 19:43:09] [INFO ] Added : 5 causal constraints over 1 iterations in 11 ms. Result :sat
Could not prove EG (NOT p1)
[2026-05-24 19:43:09] [INFO ] Invariant cache hit.
[2026-05-24 19:43:09] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 19:43:09] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-24 19:43:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 19:43:09] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-24 19:43:10] [INFO ] Computed and/alt/rep : 8/9/8 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 19:43:10] [INFO ] Added : 5 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG p2
Knowledge-based reduction took 1026 ms.
Stuttering acceptance computed with spot in 366 ms :[(OR (NOT p1) p2), p2, (NOT p1), false, false, false, false, false]
Stuttering acceptance computed with spot in 393 ms :[(OR (NOT p1) p2), p2, (NOT p1), false, false, false, false, false]
Product exploration explored 100000 steps with 7234 reset in 144 ms.
Stack based approach found an accepted trace after 9398 steps with 685 reset with depth 67 and stack size 67 in 15 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-08 finished in 4705 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((X((G(p1)&&p0))&&p1))) U p2)))'
Support contains 6 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 0 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-13380805965272702235.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16487811342285149428.kers'
[2026-05-24 19:43:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13380805965272702235.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16487811342285149428.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:43:10] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16487811342285149428.kers
Total runtime 3 ms.
[2026-05-24 19:43:11] [INFO ] Implicit Places using invariants in 50 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 53 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((X((G(p1)&&p0))&&p1))) U p2)))'
Stuttering acceptance computed with spot in 288 ms :[(OR (NOT p0) (NOT p1)), (NOT p2), (OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p1) (NOT p0) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-09 finished in 386 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(!p0) U (X(G(!p0))||(G((!p1||X(!p2)))&&X(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 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 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-15464249557860397423.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1775194190674762375.kers'
[2026-05-24 19:43:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15464249557860397423.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1775194190674762375.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 50 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 19:43:11] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1775194190674762375.kers
Total runtime 1 ms.
[2026-05-24 19:43:11] [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 : 22/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 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' '!(X(X(X((X(!p0) U (X(G(!p0))||(G((!p1||X(!p2)))&&X(p3))))))))'
Stuttering acceptance computed with spot in 523 ms :[(OR (AND p0 p1 p2) (AND p0 (NOT p3))), (OR (AND p0 p1 p2) (AND p0 (NOT p3))), (OR (AND p0 p1 p2) (AND p0 (NOT p3))), (OR (AND p0 p1 p2) (AND p0 (NOT p3))), (AND p0 p1 p2), (AND p0 (NOT p3)), (AND p0 p2), (AND (NOT p0) p2), (AND p1 (NOT p0) p2), true]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-10
Entered a terminal (fully accepting) state of product in 18 steps with 2 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-10 finished in 654 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 2 places :
Implicit places reduction removed 2 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 8 rules applied. Total rules applied 8 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 16 transition count 11
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 16 place count 15 transition count 11
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 22 place count 12 transition count 8
Applied a total of 22 rules in 7 ms. Remains 12 /24 variables (removed 12) and now considering 8/18 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13757421682140932062.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17344471165820030717.kers'
[2026-05-24 19:43:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13757421682140932062.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17344471165820030717.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 12 cols 28 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 19:43:12] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17344471165820030717.kers
Total runtime 0 ms.
[2026-05-24 19:43:12] [INFO ] Implicit Places using invariants in 48 ms returned [8, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 49 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 10 transition count 6
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 6
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 6 place count 7 transition count 5
Applied a total of 6 rules in 3 ms. Remains 7 /10 variables (removed 3) and now considering 5/8 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16956035480656971558.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13917539221453730904.kers'
[2026-05-24 19:43:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16956035480656971558.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13917539221453730904.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 7 cols 16 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 19:43:12] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13917539221453730904.kers
Total runtime 0 ms.
[2026-05-24 19:43:12] [INFO ] Implicit Places using invariants in 36 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/24 places, 5/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 98 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(p0))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-12
Product exploration explored 100000 steps with 10275 reset in 340 ms.
Product exploration explored 100000 steps with 10159 reset in 117 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 67 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 660 steps (0 resets) in 8 ms. (73 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15772928535416676730.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10189565299004438724.kers'
[2026-05-24 19:43:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15772928535416676730.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10189565299004438724.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
[2026-05-24 19:43:12] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10189565299004438724.kers
Total runtime 0 ms.
[2026-05-24 19:43:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:12] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-24 19:43:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:12] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-24 19:43:12] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 19:43:12] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 287 ms.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2026-05-24 19:43:12] [INFO ] Invariant cache hit.
[2026-05-24 19:43:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 19:43:13] [INFO ] Invariant cache hit.
[2026-05-24 19:43:13] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
[2026-05-24 19:43:13] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2026-05-24 19:43:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 4 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 179ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 248 ms. Remains : 6/6 places, 5/5 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 3 factoid took 53 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 578 steps (0 resets) in 4 ms. (115 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
[2026-05-24 19:43:13] [INFO ] Invariant cache hit.
[2026-05-24 19:43:13] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:13] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-24 19:43:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:13] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:13] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-24 19:43:13] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 19:43:13] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 258 ms.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10136 reset in 64 ms.
Product exploration explored 100000 steps with 10235 reset in 68 ms.
Built C files in :
/tmp/ltsmin5306446602549066474
[2026-05-24 19:43:13] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2026-05-24 19:43:13] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:13] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2026-05-24 19:43:13] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:13] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2026-05-24 19:43:13] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:13] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5306446602549066474
Running compilation step : cd /tmp/ltsmin5306446602549066474;'/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 139 ms.
Running link step : cd /tmp/ltsmin5306446602549066474;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin5306446602549066474;'/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/stateBased5808342877377218484.hoa' '--buchi-type=spotba'
LTSmin run took 28 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-12 finished in 1961 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 1 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 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 7 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 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 4 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-10173339823415517262.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3705409552428266721.kers'
[2026-05-24 19:43:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10173339823415517262.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3705409552428266721.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 7 rows 9 cols 20 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 19:43:13] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3705409552428266721.kers
Total runtime 0 ms.
[2026-05-24 19:43:14] [INFO ] Implicit Places using invariants in 45 ms returned [6, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 54 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
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 6 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 5 transition count 4
Applied a total of 6 rules in 2 ms. Remains 5 /8 variables (removed 3) and now considering 4/7 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-316440191494236319.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11972554533607758401.kers'
[2026-05-24 19:43:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-316440191494236319.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11972554533607758401.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 5 cols 10 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 19:43:14] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11972554533607758401.kers
Total runtime 0 ms.
[2026-05-24 19:43:14] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 19:43:14] [INFO ] Invariant cache hit.
[2026-05-24 19:43:14] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 66 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' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-13
Product exploration explored 100000 steps with 12837 reset in 53 ms.
Product exploration explored 100000 steps with 12697 reset in 144 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 91 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 168 steps (0 resets) in 6 ms. (24 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 93 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 86 ms :[(NOT p0), (NOT p0)]
[2026-05-24 19:43:14] [INFO ] Invariant cache hit.
[2026-05-24 19:43:14] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:14] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-24 19:43:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:14] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-24 19:43:14] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 19:43:14] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 348 ms.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2026-05-24 19:43:14] [INFO ] Invariant cache hit.
[2026-05-24 19:43:14] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-24 19:43:14] [INFO ] Invariant cache hit.
[2026-05-24 19:43:14] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-24 19:43:14] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-24 19:43:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 149ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 150ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 203 ms. Remains : 5/5 places, 4/4 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 82 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 168 steps (0 resets) in 4 ms. (33 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 93 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 80 ms :[(NOT p0), (NOT p0)]
[2026-05-24 19:43:15] [INFO ] Invariant cache hit.
[2026-05-24 19:43:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-24 19:43:15] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-24 19:43:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 19:43:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-24 19:43:15] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-24 19:43:15] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 19:43:15] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 330 ms.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 12466 reset in 92 ms.
Product exploration explored 100000 steps with 11896 reset in 166 ms.
Built C files in :
/tmp/ltsmin18028569896910951413
[2026-05-24 19:43:15] [INFO ] Computing symmetric may disable matrix : 4 transitions.
[2026-05-24 19:43:15] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:15] [INFO ] Computing symmetric may enable matrix : 4 transitions.
[2026-05-24 19:43:15] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:15] [INFO ] Computing Do-Not-Accords matrix : 4 transitions.
[2026-05-24 19:43:15] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:15] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18028569896910951413
Running compilation step : cd /tmp/ltsmin18028569896910951413;'/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 122 ms.
Running link step : cd /tmp/ltsmin18028569896910951413;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin18028569896910951413;'/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/stateBased1844259841500681350.hoa' '--buchi-type=spotba'
LTSmin run took 28 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-13 finished in 2109 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(X(X((!p1&&X(F(!p1)))))))))'
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 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-14894580589158687887.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17512730085685101800.kers'
[2026-05-24 19:43:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14894580589158687887.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17512730085685101800.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 19:43:16] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17512730085685101800.kers
Total runtime 1 ms.
[2026-05-24 19:43:16] [INFO ] Implicit Places using invariants in 38 ms returned [14, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 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 41 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' '!(G((p0||X(X(X((p1&&X(F(p1)))))))))'
Stuttering acceptance computed with spot in 253 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-14
Entered a terminal (fully accepting) state of product in 84291 steps with 14042 reset in 68 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-14 finished in 395 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 2 places :
Implicit places reduction removed 2 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 8 rules applied. Total rules applied 8 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 16 transition count 11
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 16 place count 15 transition count 11
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 24 place count 11 transition count 7
Applied a total of 24 rules in 3 ms. Remains 11 /24 variables (removed 13) 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-5817206359755837909.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14374777169561795770.kers'
[2026-05-24 19:43:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5817206359755837909.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14374777169561795770.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 7 rows 10 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 19:43:16] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14374777169561795770.kers
Total runtime 1 ms.
[2026-05-24 19:43:16] [INFO ] Implicit Places using invariants in 47 ms returned [7, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 49 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/24 places, 7/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 9 transition count 6
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 7 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 6 transition count 4
Applied a total of 6 rules in 3 ms. Remains 6 /9 variables (removed 3) and now considering 4/7 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10266141029141386794.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-209021039626759066.kers'
[2026-05-24 19:43:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10266141029141386794.kers, --Pflows, --basisKERS=/tmp/petrispot-output-209021039626759066.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 6 cols 14 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 19:43:16] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-209021039626759066.kers
Total runtime 1 ms.
[2026-05-24 19:43:16] [INFO ] Implicit Places using invariants in 33 ms returned [5]
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 2 : 5/24 places, 4/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 96 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(G(p0)))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0020P2-LTLFireability-15
Product exploration explored 100000 steps with 4 reset in 167 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 1 ms.
FORMULA ClientsAndServers-PT-N0020P2-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0020P2-LTLFireability-15 finished in 347 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&(G(p1) U X(p2)))))'
Spot run failed in 83 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.
[2026-05-24 19:43:16] [INFO ] Flatten gal took : 4 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin1172735535081764191
[2026-05-24 19:43:16] [INFO ] Computing symmetric may disable matrix : 18 transitions.
[2026-05-24 19:43:16] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:16] [INFO ] Computing symmetric may enable matrix : 18 transitions.
[2026-05-24 19:43:16] [INFO ] Applying decomposition
[2026-05-24 19:43:16] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:16] [INFO ] Computing Do-Not-Accords matrix : 18 transitions.
[2026-05-24 19:43:16] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 19:43:16] [INFO ] Built C files in 8ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1172735535081764191
Running compilation step : cd /tmp/ltsmin1172735535081764191;'/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'
[2026-05-24 19:43:16] [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/graph9245195309854922320.txt' '-o' '/tmp/graph9245195309854922320.bin' '-w' '/tmp/graph9245195309854922320.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9245195309854922320.bin' '-l' '-1' '-v' '-w' '/tmp/graph9245195309854922320.weights' '-q' '0' '-e' '0.001'
[2026-05-24 19:43:16] [INFO ] Decomposing Gal with order
[2026-05-24 19:43:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 19:43:16] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-24 19:43:16] [INFO ] Flatten gal took : 5 ms
[2026-05-24 19:43:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-24 19:43:16] [INFO ] Time to serialize gal into /tmp/LTLFireability1092527665483093405.gal : 2 ms
[2026-05-24 19:43:16] [INFO ] Time to serialize properties into /tmp/LTLFireability11109704931193694514.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/LTLFireability1092527665483093405.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability11109704931193694514.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X((F("((i3.u6.CG>=1)&&(i4.u8.CwG>=1))"))&&((G("(i2.u3.MpA<1)"))U(X("(i4.u8.Ci>=1)"))))))
Formula 0 simplified : X(G!"((i3.u6.CG>=1)&&(i4.u8.CwG>=1))" | (F!"(i2.u3.MpA<1)" R X!"(i4.u8.Ci>=1)"))
Compilation finished in 178 ms.
Running link step : cd /tmp/ltsmin1172735535081764191;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin1172735535081764191;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((<>((LTLAPp0==true))&&([]((LTLAPp1==true)) U X((LTLAPp2==true)))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 20:03:50] [INFO ] Flatten gal took : 3 ms
[2026-05-24 20:03:50] [INFO ] Time to serialize gal into /tmp/LTLFireability495747566752693168.gal : 2 ms
[2026-05-24 20:03:50] [INFO ] Time to serialize properties into /tmp/LTLFireability7157671731021083023.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/LTLFireability495747566752693168.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability7157671731021083023.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...296
Read 1 LTL properties
Checking formula 0 : !((X((F("((CG>=1)&&(CwG>=1))"))&&((G("(MpA<1)"))U(X("(Ci>=1)"))))))
Formula 0 simplified : X(G!"((CG>=1)&&(CwG>=1))" | (F!"(MpA<1)" R X!"(Ci>=1)"))
Detected timeout of ITS tools.
[2026-05-24 20:24:23] [INFO ] Flatten gal took : 3 ms
[2026-05-24 20:24:23] [INFO ] Input system was already deterministic with 18 transitions.
[2026-05-24 20:24:23] [INFO ] Transformed 24 places.
[2026-05-24 20:24:23] [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
[2026-05-24 20:24:23] [INFO ] Time to serialize gal into /tmp/LTLFireability16069230365385450843.gal : 0 ms
[2026-05-24 20:24:23] [INFO ] Time to serialize properties into /tmp/LTLFireability2138009682354824542.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/LTLFireability16069230365385450843.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability2138009682354824542.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...343
Read 1 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((X((F("((CG>=1)&&(CwG>=1))"))&&((G("(MpA<1)"))U(X("(Ci>=1)"))))))
Formula 0 simplified : X(G!"((CG>=1)&&(CwG>=1))" | (F!"(MpA<1)" R X!"(Ci>=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-N0020P2"
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-N0020P2, 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-177946901200356"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0020P2.tgz
mv ClientsAndServers-PT-N0020P2 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 ;