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-177946901200332.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-N0010P2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 8.1K Mar 6 10:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 6 10:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 10:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 10:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 171K Mar 6 10:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 10:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:09 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-N0010P2-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0010P2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779628294290

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-N0010P2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 13:11:36] [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 13:11:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:11:36] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2026-05-24 13:11:36] [INFO ] Transformed 25 places.
[2026-05-24 13:11:36] [INFO ] Transformed 18 transitions.
[2026-05-24 13:11:37] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 283 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 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 60 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-1987140181327661377.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6858920815730795497.kers'
[2026-05-24 13:11:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1987140181327661377.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6858920815730795497.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 13:11:37] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6858920815730795497.kers
Total runtime 2 ms.
[2026-05-24 13:11:37] [INFO ] Implicit Places using invariants in 256 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 328 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/25 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 414 ms. Remains : 23/25 places, 18/18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9774351791383580802.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10343498465018604317.kers'
[2026-05-24 13:11:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9774351791383580802.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10343498465018604317.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 23 cols 48 entries
Finished phase 1 with 15 SingleSign rule and 2 generalized
[2026-05-24 13:11:37] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10343498465018604317.kers
Total runtime 0 ms.
[2026-05-24 13:11:37] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-24 13:11:37] [INFO ] Invariant cache hit.
[2026-05-24 13:11:37] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 13:11:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 685 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 17/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 46 constraints, problems are : Problem set: 0 solved, 17 unsolved in 517 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1236ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1257ms
Finished structural reductions in LTL mode , in 1 iterations and 1415 ms. Remains : 23/23 places, 18/18 transitions.
Support contains 17 out of 23 places after structural reductions.
[2026-05-24 13:11:39] [INFO ] Flatten gal took : 32 ms
[2026-05-24 13:11:39] [INFO ] Flatten gal took : 10 ms
[2026-05-24 13:11:39] [INFO ] Input system was already deterministic with 18 transitions.
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 2666 steps (0 resets) in 74 ms. (35 steps per ms) remains 0/12 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(p1)||X(p0)||(!p1&&F(p2)))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 22 transition count 18
Applied a total of 1 rules in 2 ms. Remains 22 /23 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-8843181625001320989.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5905748006923661000.kers'
[2026-05-24 13:11:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8843181625001320989.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5905748006923661000.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 46 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 13:11:40] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5905748006923661000.kers
Total runtime 1 ms.
[2026-05-24 13:11:40] [INFO ] Implicit Places using invariants in 44 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 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 49 ms. Remains : 21/23 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(p1)||X(p0)||(!p1&&F(p2)))))'
Stuttering acceptance computed with spot in 389 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-00
Product exploration explored 100000 steps with 1709 reset in 492 ms.
Product exploration explored 100000 steps with 1670 reset in 249 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 66 ms. Reduced automaton from 4 states, 4 edges and 3 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
RANDOM walk for 3518 steps (2 resets) in 28 ms. (121 steps per ms) remains 0/3 properties
Knowledge based reduction with 9 factoid took 87 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14441173367777369128.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11372898903776367677.kers'
[2026-05-24 13:11:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14441173367777369128.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11372898903776367677.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 13:11:41] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11372898903776367677.kers
Total runtime 0 ms.
[2026-05-24 13:11:41] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:11:41] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-24 13:11:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:11:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2026-05-24 13:11:41] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-24 13:11:41] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-24 13:11:41] [INFO ] Added : 15 causal constraints over 3 iterations in 49 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
Knowledge-based reduction took 593 ms.
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Support contains 3 out of 21 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 13:11:42] [INFO ] Invariant cache hit.
[2026-05-24 13:11:42] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 13:11:42] [INFO ] Invariant cache hit.
[2026-05-24 13:11:42] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 13:11:42] [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 404 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
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 441 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 853ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 854ms
Finished structural reductions in LTL mode , in 1 iterations and 935 ms. Remains : 21/21 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 68 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
RANDOM walk for 3052 steps (1 resets) in 24 ms. (122 steps per ms) remains 0/3 properties
Knowledge based reduction with 1 factoid took 97 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
[2026-05-24 13:11:43] [INFO ] Invariant cache hit.
[2026-05-24 13:11:43] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:11:43] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2026-05-24 13:11:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:11:43] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:11:43] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-24 13:11:43] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-24 13:11:43] [INFO ] Added : 15 causal constraints over 3 iterations in 22 ms. Result :sat
Could not prove EG (AND (NOT p1) (NOT p2))
Knowledge-based reduction took 530 ms.
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 221 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 1682 reset in 219 ms.
Product exploration explored 100000 steps with 1704 reset in 374 ms.
Spot run failed in 163 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/ltsmin6599273427301940908
[2026-05-24 13:11:44] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6599273427301940908
Running compilation step : cd /tmp/ltsmin6599273427301940908;'/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 370 ms.
Running link step : cd /tmp/ltsmin6599273427301940908;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin6599273427301940908;'/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/stateBased16956116721187896307.hoa' '--buchi-type=spotba'
LTSmin run took 53 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-00 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-00 finished in 5382 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 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 2 ms. Remains 21 /23 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-7200455687885081168.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2731758351243071469.kers'
[2026-05-24 13:11:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7200455687885081168.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2731758351243071469.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 13:11:45] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2731758351243071469.kers
Total runtime 0 ms.
[2026-05-24 13:11:45] [INFO ] Implicit Places using invariants in 55 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 58 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 4 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 64 ms. Remains : 20/23 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 141 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-01 finished in 238 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||X(X(X(G(p1)))))))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2026-05-24 13:11:45] [INFO ] Invariant cache hit.
[2026-05-24 13:11:45] [INFO ] Implicit Places using invariants in 41 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 47 ms. Remains : 20/23 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||X(X(X(G(p1)))))))))'
Stuttering acceptance computed with spot in 281 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-02
Entered a terminal (fully accepting) state of product in 21 steps with 0 reset in 1 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-02 finished in 370 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||G(p1)))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 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 7 rules applied. Total rules applied 7 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 15 place count 15 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 14 transition count 11
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 16 place count 14 transition count 9
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 20 place count 12 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 22 place count 11 transition count 8
Applied a total of 22 rules in 40 ms. Remains 11 /23 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-1239147004136279894.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3965362260259622902.kers'
[2026-05-24 13:11:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1239147004136279894.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3965362260259622902.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 11 cols 24 entries
Finished phase 1 with 6 SingleSign rule and 1 generalized
[2026-05-24 13:11:46] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3965362260259622902.kers
Total runtime 1 ms.
[2026-05-24 13:11:46] [INFO ] Implicit Places using invariants in 43 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/23 places, 8/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 10/23 places, 8/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Stuttering acceptance computed with spot in 75 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-04
Product exploration explored 100000 steps with 2326 reset in 270 ms.
Product exploration explored 100000 steps with 2374 reset in 346 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 54 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 636 steps (0 resets) in 10 ms. (57 steps per ms) remains 0/3 properties
Knowledge based reduction with 9 factoid took 123 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 281 ms.
Stuttering acceptance computed with spot in 94 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 8/8 (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-16446388062121900761.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2976526598473580894.kers'
[2026-05-24 13:11:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16446388062121900761.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2976526598473580894.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 10 cols 22 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-24 13:11:47] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2976526598473580894.kers
Total runtime 0 ms.
[2026-05-24 13:11:47] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 13:11:47] [INFO ] Invariant cache hit.
[2026-05-24 13:11:47] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2026-05-24 13:11:47] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-24 13:11:47] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 0/18 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 8/18 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 7/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/18 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 20 constraints, problems are : Problem set: 0 solved, 7 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 276ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 276ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 359 ms. Remains : 10/10 places, 8/8 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 9 factoid took 61 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 548 steps (0 resets) in 7 ms. (68 steps per ms) remains 0/3 properties
Knowledge based reduction with 9 factoid took 120 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 280 ms.
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 2378 reset in 186 ms.
Product exploration explored 100000 steps with 2320 reset in 569 ms.
Built C files in :
/tmp/ltsmin2959982220826884008
[2026-05-24 13:11:48] [INFO ] Computing symmetric may disable matrix : 8 transitions.
[2026-05-24 13:11:48] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:11:48] [INFO ] Computing symmetric may enable matrix : 8 transitions.
[2026-05-24 13:11:48] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:11:48] [INFO ] Computing Do-Not-Accords matrix : 8 transitions.
[2026-05-24 13:11:48] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:11:48] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2959982220826884008
Running compilation step : cd /tmp/ltsmin2959982220826884008;'/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 100 ms.
Running link step : cd /tmp/ltsmin2959982220826884008;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin2959982220826884008;'/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/stateBased11879769972341693141.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-24 13:12:03] [INFO ] Invariant cache hit.
[2026-05-24 13:12:03] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 13:12:03] [INFO ] Invariant cache hit.
[2026-05-24 13:12:03] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2026-05-24 13:12:03] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 79 ms. Remains : 10/10 places, 8/8 transitions.
Built C files in :
/tmp/ltsmin2726011748705570706
[2026-05-24 13:12:03] [INFO ] Computing symmetric may disable matrix : 8 transitions.
[2026-05-24 13:12:03] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:12:03] [INFO ] Computing symmetric may enable matrix : 8 transitions.
[2026-05-24 13:12:03] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:12:03] [INFO ] Computing Do-Not-Accords matrix : 8 transitions.
[2026-05-24 13:12:03] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:12:03] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2726011748705570706
Running compilation step : cd /tmp/ltsmin2726011748705570706;'/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 112 ms.
Running link step : cd /tmp/ltsmin2726011748705570706;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin2726011748705570706;'/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/stateBased9404557056135471694.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 13:12:18] [INFO ] Flatten gal took : 2 ms
[2026-05-24 13:12:18] [INFO ] Flatten gal took : 1 ms
[2026-05-24 13:12:18] [INFO ] Time to serialize gal into /tmp/LTL6360457649001155524.gal : 1 ms
[2026-05-24 13:12:18] [INFO ] Time to serialize properties into /tmp/LTL13114089322566268548.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6360457649001155524.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8396138315405007019.hoa' '-atoms' '/tmp/LTL13114089322566268548.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...318
Loading property file /tmp/LTL13114089322566268548.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8396138315405007019.hoa
Reverse transition relation is NOT exact ! Due to transitions t12.t13.t14, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
Computing Next relation with stutter on 1 deadlock states
Detected timeout of ITS tools.
[2026-05-24 13:12:34] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:12:34] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:12:34] [INFO ] Time to serialize gal into /tmp/LTL16407715058355042347.gal : 1 ms
[2026-05-24 13:12:34] [INFO ] Time to serialize properties into /tmp/LTL3936004318985320655.ltl : 2 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/LTL16407715058355042347.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL3936004318985320655.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 : !((G(F(("(MtF>=1)")||(G("((MtF<1)&&((SA<1)||(SwA<1)))"))))))
Formula 0 simplified : G(F!"((MtF<1)&&((SA<1)||(SwA<1)))" & FG!"(MtF>=1)")
Reverse transition relation is NOT exact ! Due to transitions t12.t13.t14, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/...170
Computing Next relation with stutter on 1 deadlock states
Detected timeout of ITS tools.
[2026-05-24 13:12:49] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:12:49] [INFO ] Applying decomposition
[2026-05-24 13:12:49] [INFO ] Flatten gal took : 1 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/graph8539832039000331678.txt' '-o' '/tmp/graph8539832039000331678.bin' '-w' '/tmp/graph8539832039000331678.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8539832039000331678.bin' '-l' '-1' '-v' '-w' '/tmp/graph8539832039000331678.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:12:49] [INFO ] Decomposing Gal with order
[2026-05-24 13:12:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:12:49] [INFO ] Flatten gal took : 74 ms
[2026-05-24 13:12:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-24 13:12:49] [INFO ] Time to serialize gal into /tmp/LTL1144577431394107110.gal : 1 ms
[2026-05-24 13:12:49] [INFO ] Time to serialize properties into /tmp/LTL15899684157058323721.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/LTL1144577431394107110.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15899684157058323721.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 : !((G(F(("(u0.MtF>=1)")||(G("((u0.MtF<1)&&((u2.SA<1)||(i2.u1.SwA<1)))"))))))
Formula 0 simplified : G(F!"((u0.MtF<1)&&((u2.SA<1)||(i2.u1.SwA<1)))" & FG!"(u0.MtF>=1)")
Detected timeout of ITS tools.
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-04 finished in 78287 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 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 21 transition count 9
Reduce places removed 9 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 11 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 23 place count 10 transition count 8
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 23 place count 10 transition count 6
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 27 place count 8 transition count 6
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 31 place count 6 transition count 4
Applied a total of 31 rules in 5 ms. Remains 6 /23 variables (removed 17) and now considering 4/18 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7636442597040400676.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17762137315969533466.kers'
[2026-05-24 13:13:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7636442597040400676.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17762137315969533466.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 6 cols 12 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 13:13:04] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17762137315969533466.kers
Total runtime 0 ms.
[2026-05-24 13:13:04] [INFO ] Implicit Places using invariants in 31 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/23 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 2 iterations and 38 ms. Remains : 5/23 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 36 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-05
Product exploration explored 100000 steps with 12 reset in 129 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 0 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-05 finished in 237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(((G(p0) U G(p1)) U p2))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 0 ms. Remains 21 /23 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-14696736186295917509.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4075097226464595501.kers'
[2026-05-24 13:13:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14696736186295917509.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4075097226464595501.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 13:13:04] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4075097226464595501.kers
Total runtime 1 ms.
[2026-05-24 13:13:04] [INFO ] Implicit Places using invariants in 31 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 34 ms. Remains : 20/23 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(((G(p0) U G(p1)) U p2))))'
Stuttering acceptance computed with spot in 369 ms :[(NOT p2), (NOT p2), (NOT p2), true, (NOT p0), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-06 finished in 447 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 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 22 transition count 9
Reduce places removed 9 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 12 transition count 9
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 20 place count 12 transition count 6
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 26 place count 9 transition count 6
Applied a total of 26 rules in 4 ms. Remains 9 /23 variables (removed 14) and now considering 6/18 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2010933769156708634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13973545687699470281.kers'
[2026-05-24 13:13:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2010933769156708634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13973545687699470281.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 9 cols 20 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 13:13:04] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13973545687699470281.kers
Total runtime 0 ms.
[2026-05-24 13:13:04] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 13:13:05] [INFO ] Invariant cache hit.
[2026-05-24 13:13:05] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2026-05-24 13:13:05] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2026-05-24 13:13:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 5 unsolved in 128 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/15 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 5/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 18 constraints, problems are : Problem set: 0 solved, 5 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 9/9 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 223ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 224ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/23 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 295 ms. Remains : 9/23 places, 6/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-07
Product exploration explored 100000 steps with 7451 reset in 222 ms.
Product exploration explored 100000 steps with 7412 reset in 151 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 55 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 541 steps (0 resets) in 5 ms. (90 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 61 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 39 ms :[(NOT p0)]
[2026-05-24 13:13:05] [INFO ] Invariant cache hit.
[2026-05-24 13:13:05] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:13:05] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-24 13:13:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:05] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:13:05] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-24 13:13:05] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 13:13:05] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 237 ms.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2026-05-24 13:13:05] [INFO ] Invariant cache hit.
[2026-05-24 13:13:06] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 13:13:06] [INFO ] Invariant cache hit.
[2026-05-24 13:13:06] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2026-05-24 13:13:06] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 67 ms. Remains : 9/9 places, 6/6 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 66 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 721 steps (0 resets) in 5 ms. (120 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 70 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)]
[2026-05-24 13:13:06] [INFO ] Invariant cache hit.
[2026-05-24 13:13:06] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:06] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-24 13:13:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:06] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:06] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-24 13:13:06] [INFO ] Computed and/alt/rep : 5/6/5 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 13:13:06] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 266 ms.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Product exploration explored 100000 steps with 7431 reset in 223 ms.
Product exploration explored 100000 steps with 7463 reset in 243 ms.
Built C files in :
/tmp/ltsmin14235517282784710347
[2026-05-24 13:13:06] [INFO ] Computing symmetric may disable matrix : 6 transitions.
[2026-05-24 13:13:06] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:06] [INFO ] Computing symmetric may enable matrix : 6 transitions.
[2026-05-24 13:13:06] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:06] [INFO ] Computing Do-Not-Accords matrix : 6 transitions.
[2026-05-24 13:13:06] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:06] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14235517282784710347
Running compilation step : cd /tmp/ltsmin14235517282784710347;'/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 144 ms.
Running link step : cd /tmp/ltsmin14235517282784710347;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin14235517282784710347;'/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/stateBased8750422901009515734.hoa' '--buchi-type=spotba'
LTSmin run took 25 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-07 finished in 2178 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0))||(F(p0)&&X(X(F(!p1))))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 0 ms. Remains 21 /23 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-781635390238687017.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7740999876854585290.kers'
[2026-05-24 13:13:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-781635390238687017.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7740999876854585290.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 13:13:07] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7740999876854585290.kers
Total runtime 0 ms.
[2026-05-24 13:13:07] [INFO ] Implicit Places using invariants in 44 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 45 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 20/23 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(F(p0))||(F(p0)&&X(X(F(p1))))))'
Stuttering acceptance computed with spot in 259 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 65 ms.
Product exploration explored 100000 steps with 33333 reset in 95 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 5 factoid took 17 ms. Proved property starting from automaton with 5 states, 8 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-08 finished in 533 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||(F(G(!p0))&&p1)))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2026-05-24 13:13:07] [INFO ] Invariant cache hit.
[2026-05-24 13:13:07] [INFO ] Implicit Places using invariants in 35 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 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 37 ms. Remains : 20/23 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||(F(G(!p0))&&p1)))))'
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, p0]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-09 finished in 231 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 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 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 9 rules applied. Total rules applied 17 place count 14 transition count 10
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 12 transition count 10
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 19 place count 12 transition count 6
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 27 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 3 with 2 rules applied. Total rules applied 29 place count 7 transition count 5
Applied a total of 29 rules in 6 ms. Remains 7 /23 variables (removed 16) and now considering 5/18 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11853537530664090344.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14693401086640557121.kers'
[2026-05-24 13:13:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11853537530664090344.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14693401086640557121.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 13:13:07] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14693401086640557121.kers
Total runtime 0 ms.
[2026-05-24 13:13:07] [INFO ] Implicit Places using invariants in 27 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/23 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 2 iterations and 36 ms. Remains : 6/23 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' '!((p0 U G(!p0)))'
Stuttering acceptance computed with spot in 88 ms :[p0, true, p0]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-11
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-11 finished in 152 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 22 transition count 11
Reduce places removed 7 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 17 place count 14 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 13 transition count 10
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 18 place count 13 transition count 7
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 24 place count 10 transition count 7
Applied a total of 24 rules in 4 ms. Remains 10 /23 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-10009274507398524624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15428152869649115582.kers'
[2026-05-24 13:13:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10009274507398524624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15428152869649115582.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 10 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 13:13:08] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15428152869649115582.kers
Total runtime 0 ms.
[2026-05-24 13:13:08] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 13:13:08] [INFO ] Invariant cache hit.
[2026-05-24 13:13:08] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2026-05-24 13:13:08] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-24 13:13:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/17 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 1/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 7/17 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 20 constraints, problems are : Problem set: 0 solved, 6 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 200ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 201ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/23 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 279 ms. Remains : 10/23 places, 7/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-13
Product exploration explored 100000 steps with 8936 reset in 71 ms.
Product exploration explored 100000 steps with 8978 reset in 78 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 4 factoid took 95 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
RANDOM walk for 613 steps (0 resets) in 5 ms. (102 steps per ms) remains 0/2 properties
Knowledge based reduction with 4 factoid took 90 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 137 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2026-05-24 13:13:08] [INFO ] Invariant cache hit.
[2026-05-24 13:13:08] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-24 13:13:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-24 13:13:09] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 13:13:09] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
[2026-05-24 13:13:09] [INFO ] Invariant cache hit.
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-24 13:13:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-24 13:13:09] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 13:13:09] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 507 ms.
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2026-05-24 13:13:09] [INFO ] Invariant cache hit.
[2026-05-24 13:13:09] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 13:13:09] [INFO ] Invariant cache hit.
[2026-05-24 13:13:09] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2026-05-24 13:13:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 79 ms. Remains : 10/10 places, 7/7 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 4 factoid took 97 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
RANDOM walk for 676 steps (0 resets) in 4 ms. (135 steps per ms) remains 0/2 properties
Knowledge based reduction with 4 factoid took 117 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2026-05-24 13:13:09] [INFO ] Invariant cache hit.
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-24 13:13:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-24 13:13:09] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 13:13:09] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
[2026-05-24 13:13:09] [INFO ] Invariant cache hit.
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-24 13:13:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:09] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-24 13:13:09] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-24 13:13:09] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 528 ms.
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 8962 reset in 66 ms.
Product exploration explored 100000 steps with 8950 reset in 82 ms.
Built C files in :
/tmp/ltsmin17221783044527088213
[2026-05-24 13:13:10] [INFO ] Computing symmetric may disable matrix : 7 transitions.
[2026-05-24 13:13:10] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:10] [INFO ] Computing symmetric may enable matrix : 7 transitions.
[2026-05-24 13:13:10] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:10] [INFO ] Computing Do-Not-Accords matrix : 7 transitions.
[2026-05-24 13:13:10] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:10] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17221783044527088213
Running compilation step : cd /tmp/ltsmin17221783044527088213;'/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 93 ms.
Running link step : cd /tmp/ltsmin17221783044527088213;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin17221783044527088213;'/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/stateBased17378645516039704519.hoa' '--buchi-type=spotba'
LTSmin run took 20 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-13 finished in 2430 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 U p1)||G(p2)))) U G(p2))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 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-6195939974401053176.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-672868439280738443.kers'
[2026-05-24 13:13:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6195939974401053176.kers, --Pflows, --basisKERS=/tmp/petrispot-output-672868439280738443.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 13:13:10] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-672868439280738443.kers
Total runtime 0 ms.
[2026-05-24 13:13:10] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 13:13:10] [INFO ] Invariant cache hit.
[2026-05-24 13:13:10] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 13:13:10] [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 405 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 417 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 827ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 827ms
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 891 ms. Remains : 21/23 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 U p1)||G(p2)))) U G(p2))))'
Stuttering acceptance computed with spot in 263 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1), (OR (AND p1 (NOT p2)) (AND p0 (NOT p2)))]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-14 finished in 1210 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((F(p0) U X(p1)))&&(!X(p2) U p3)))))'
Support contains 7 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 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 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 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-6164806883824627848.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17221490265014673266.kers'
[2026-05-24 13:13:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6164806883824627848.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17221490265014673266.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 46 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 13:13:11] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17221490265014673266.kers
Total runtime 0 ms.
[2026-05-24 13:13:11] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 13:13:11] [INFO ] Invariant cache hit.
[2026-05-24 13:13:11] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 13:13:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 27 constraints, problems are : Problem set: 0 solved, 17 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 17/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 44 constraints, problems are : Problem set: 0 solved, 17 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 865ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 865ms
Starting structural reductions in LTL mode, iteration 1 : 22/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 933 ms. Remains : 22/23 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((F(p0) U X(p1)))&&(!X(p2) U p3)))))'
Stuttering acceptance computed with spot in 368 ms :[(OR (NOT p3) (NOT p1)), (OR (NOT p3) (NOT p1)), (OR (NOT p1) (NOT p3)), (NOT p1), (OR (NOT p3) p2), (NOT p1), (AND (NOT p0) (NOT p1)), true, (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0010P2-LTLFireability-15
Product exploration explored 100000 steps with 1096 reset in 104 ms.
Product exploration explored 100000 steps with 1096 reset in 116 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 73 ms. Reduced automaton from 9 states, 13 edges and 4 AP (stutter sensitive) to 7 states, 9 edges and 2 AP (stutter sensitive).
RANDOM walk for 2484 steps (0 resets) in 8 ms. (276 steps per ms) remains 0/3 properties
Knowledge based reduction with 2 factoid took 116 ms. Reduced automaton from 7 states, 9 edges and 2 AP (stutter sensitive) to 7 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 314 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
[2026-05-24 13:13:13] [INFO ] Invariant cache hit.
[2026-05-24 13:13:13] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:13] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 13:13:13] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-24 13:13:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:13] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:13] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 13:13:13] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-24 13:13:13] [INFO ] Computed and/alt/rep : 17/19/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 13:13:13] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 633 ms.
Stuttering acceptance computed with spot in 272 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 4 out of 22 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 13:13:14] [INFO ] Invariant cache hit.
[2026-05-24 13:13:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 13:13:14] [INFO ] Invariant cache hit.
[2026-05-24 13:13:14] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 22/22 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 1 factoid took 61 ms. Reduced automaton from 7 states, 9 edges and 2 AP (stutter sensitive) to 7 states, 9 edges and 2 AP (stutter sensitive).
RANDOM walk for 3317 steps (2 resets) in 8 ms. (368 steps per ms) remains 0/3 properties
Knowledge based reduction with 1 factoid took 110 ms. Reduced automaton from 7 states, 9 edges and 2 AP (stutter sensitive) to 7 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 303 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
[2026-05-24 13:13:14] [INFO ] Invariant cache hit.
[2026-05-24 13:13:14] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-24 13:13:14] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 13:13:14] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-24 13:13:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:13:14] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 13:13:14] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 13:13:14] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2026-05-24 13:13:14] [INFO ] Computed and/alt/rep : 17/19/17 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-24 13:13:14] [INFO ] Added : 9 causal constraints over 2 iterations in 17 ms. Result :sat
Could not prove EG (NOT p1)
Knowledge-based reduction took 611 ms.
Stuttering acceptance computed with spot in 328 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 302 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 1094 reset in 102 ms.
Product exploration explored 100000 steps with 1090 reset in 119 ms.
Spot run failed in 84 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin2740699442732763795
[2026-05-24 13:13:15] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2740699442732763795
Running compilation step : cd /tmp/ltsmin2740699442732763795;'/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 105 ms.
Running link step : cd /tmp/ltsmin2740699442732763795;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 32 ms.
Running LTSmin : cd /tmp/ltsmin2740699442732763795;'/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/stateBased4443086718547438329.hoa' '--buchi-type=spotba'
LTSmin run took 26 ms.
FORMULA ClientsAndServers-PT-N0010P2-LTLFireability-15 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0010P2-LTLFireability-15 finished in 4334 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||G(p1)))))'
Spot run failed in 52 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-24 13:13:16] [INFO ] Flatten gal took : 3 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin10125093950059180629
[2026-05-24 13:13:16] [INFO ] Computing symmetric may disable matrix : 18 transitions.
[2026-05-24 13:13:16] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:16] [INFO ] Computing symmetric may enable matrix : 18 transitions.
[2026-05-24 13:13:16] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:16] [INFO ] Applying decomposition
[2026-05-24 13:13:16] [INFO ] Computing Do-Not-Accords matrix : 18 transitions.
[2026-05-24 13:13:16] [INFO ] Flatten gal took : 3 ms
[2026-05-24 13:13:16] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 13:13:16] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10125093950059180629
Running compilation step : cd /tmp/ltsmin10125093950059180629;'/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'
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/graph10674964639882372987.txt' '-o' '/tmp/graph10674964639882372987.bin' '-w' '/tmp/graph10674964639882372987.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10674964639882372987.bin' '-l' '-1' '-v' '-w' '/tmp/graph10674964639882372987.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:13:16] [INFO ] Decomposing Gal with order
[2026-05-24 13:13:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:13:16] [INFO ] Removed a total of 1 redundant transitions.
[2026-05-24 13:13:16] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:13:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-24 13:13:16] [INFO ] Time to serialize gal into /tmp/LTLFireability16118819647040697607.gal : 1 ms
[2026-05-24 13:13:16] [INFO ] Time to serialize properties into /tmp/LTLFireability7806886488814038659.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/LTLFireability16118819647040697607.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability7806886488814038659.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 : !((G(F(("(i0.u0.MtF>=1)")||(G("((i0.u0.MtF<1)&&((i0.u4.SA<1)||(i2.u3.SwA<1)))"))))))
Formula 0 simplified : G(F!"((i0.u0.MtF<1)&&((i0.u4.SA<1)||(i2.u3.SwA<1)))" & FG!"(i0.u0.MtF>=1)")
Compilation finished in 180 ms.
Running link step : cd /tmp/ltsmin10125093950059180629;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 35 ms.
Running LTSmin : cd /tmp/ltsmin10125093950059180629;'/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' '--ltl' '[](<>(((LTLAPp0==true)||[]((LTLAPp1==true)))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 13:33:49] [INFO ] Flatten gal took : 7 ms
[2026-05-24 13:33:49] [INFO ] Time to serialize gal into /tmp/LTLFireability6675709796407864398.gal : 9 ms
[2026-05-24 13:33:49] [INFO ] Time to serialize properties into /tmp/LTLFireability16125803617103095375.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/LTLFireability6675709796407864398.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability16125803617103095375.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...298
Read 1 LTL properties
Checking formula 0 : !((G(F(("(MtF>=1)")||(G("((MtF<1)&&((SA<1)||(SwA<1)))"))))))
Formula 0 simplified : G(F!"((MtF<1)&&((SA<1)||(SwA<1)))" & FG!"(MtF>=1)")
Detected timeout of ITS tools.
[2026-05-24 13:54:23] [INFO ] Flatten gal took : 204 ms
[2026-05-24 13:54:23] [INFO ] Input system was already deterministic with 18 transitions.
[2026-05-24 13:54:23] [INFO ] Transformed 23 places.
[2026-05-24 13:54:23] [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 13:54:24] [INFO ] Time to serialize gal into /tmp/LTLFireability13984580996179863592.gal : 7 ms
[2026-05-24 13:54:24] [INFO ] Time to serialize properties into /tmp/LTLFireability13429370278860787182.ltl : 12 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/LTLFireability13984580996179863592.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability13429370278860787182.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...344
Read 1 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((G(F(("(MtF>=1)")||(G("((MtF<1)&&((SA<1)||(SwA<1)))"))))))
Formula 0 simplified : G(F!"((MtF<1)&&((SA<1)||(SwA<1)))" & FG!"(MtF>=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-N0010P2"
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-N0010P2, 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-177946901200332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0010P2.tgz
mv ClientsAndServers-PT-N0010P2 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 ;