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-177946901200308.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-N0005P1, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901200308
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.5K Mar 6 10:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 10:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 10:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 10:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 10:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 6 10:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Mar 6 10:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:08 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-N0005P1-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0005P1-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779613127393

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-N0005P1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 08:58:49] [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 08:58:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:58:50] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2026-05-24 08:58:50] [INFO ] Transformed 25 places.
[2026-05-24 08:58:50] [INFO ] Transformed 18 transitions.
[2026-05-24 08:58:50] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 258 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 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 22 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-12576330238760909080.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16441549935037676988.kers'
[2026-05-24 08:58:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12576330238760909080.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16441549935037676988.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 08:58:50] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16441549935037676988.kers
Total runtime 1 ms.
[2026-05-24 08:58:50] [INFO ] Implicit Places using invariants in 242 ms returned []
[2026-05-24 08:58:50] [INFO ] Invariant cache hit.
[2026-05-24 08:58:50] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 404 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 08:58:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 31 constraints, problems are : Problem set: 0 solved, 17 unsolved in 874 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 48 constraints, problems are : Problem set: 0 solved, 17 unsolved in 710 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1628ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1646ms
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2136 ms. Remains : 24/25 places, 18/18 transitions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 08:58:52] [INFO ] Invariant cache hit.
[2026-05-24 08:58:52] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-24 08:58:52] [INFO ] Invariant cache hit.
[2026-05-24 08:58:52] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 109 ms. Remains : 24/24 places, 18/18 transitions.
Support contains 21 out of 24 places after structural reductions.
[2026-05-24 08:58:52] [INFO ] Flatten gal took : 24 ms
[2026-05-24 08:58:52] [INFO ] Flatten gal took : 8 ms
[2026-05-24 08:58:52] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 20 out of 24 places (down from 21) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 20 to 17
RANDOM walk for 1965 steps (2 resets) in 74 ms. (26 steps per ms) remains 0/17 properties
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 15 place count 15 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 15 place count 15 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 place count 13 transition count 10
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 27 place count 9 transition count 6
Applied a total of 27 rules in 30 ms. Remains 9 /24 variables (removed 15) and now considering 6/18 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6932072781841965896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9712614540463461818.kers'
[2026-05-24 08:58:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6932072781841965896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9712614540463461818.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 6 rows 8 cols 18 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 08:58:53] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9712614540463461818.kers
Total runtime 1 ms.
[2026-05-24 08:58:53] [INFO ] Implicit Places using invariants in 47 ms returned [5, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 50 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/24 places, 6/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 6 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 5 transition count 4
Applied a total of 4 rules in 3 ms. Remains 5 /7 variables (removed 2) and now considering 4/6 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17504808822926101010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2960031138047247633.kers'
[2026-05-24 08:58:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17504808822926101010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2960031138047247633.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 08:58:53] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2960031138047247633.kers
Total runtime 1 ms.
[2026-05-24 08:58:53] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 08:58:53] [INFO ] Invariant cache hit.
[2026-05-24 08:58:53] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/24 places, 4/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 147 ms. Remains : 5/24 places, 4/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 282 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-01
Stuttering criterion allowed to conclude after 668 steps with 0 reset in 16 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-01 finished in 569 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p1))&&X((X(p3)&&p2)))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Applied a total of 3 rules in 2 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13268591869631048152.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4240447840178628279.kers'
[2026-05-24 08:58:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13268591869631048152.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4240447840178628279.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 46 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 08:58:54] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4240447840178628279.kers
Total runtime 0 ms.
[2026-05-24 08:58:54] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 08:58:54] [INFO ] Invariant cache hit.
[2026-05-24 08:58:54] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 08:58:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 395 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 439 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 842ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 843ms
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 945 ms. Remains : 21/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p1))&&X((X(p3)&&p2)))))'
Stuttering acceptance computed with spot in 369 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (OR (NOT p3) (NOT p1) (NOT p2)), (NOT p1), (OR (NOT p2) (NOT p3)), (NOT p1), true, (NOT p3)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-02 finished in 1363 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 21 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 13 place count 16 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 13 place count 16 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 17 place count 14 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 21 place count 12 transition count 9
Applied a total of 21 rules in 9 ms. Remains 12 /24 variables (removed 12) and now considering 9/18 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12783717760526160634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7048022375465181678.kers'
[2026-05-24 08:58:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12783717760526160634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7048022375465181678.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 12 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 08:58:55] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7048022375465181678.kers
Total runtime 0 ms.
[2026-05-24 08:58:55] [INFO ] Implicit Places using invariants in 38 ms returned [8, 11]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 9/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 10 transition count 7
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 7 transition count 6
Applied a total of 6 rules in 5 ms. Remains 7 /10 variables (removed 3) and now considering 6/9 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16066871744237280917.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-716895387574651084.kers'
[2026-05-24 08:58:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16066871744237280917.kers, --Pflows, --basisKERS=/tmp/petrispot-output-716895387574651084.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 16 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 08:58:55] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-716895387574651084.kers
Total runtime 0 ms.
[2026-05-24 08:58:55] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 08:58:55] [INFO ] Invariant cache hit.
[2026-05-24 08:58:55] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/24 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 118 ms. Remains : 7/24 places, 6/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-03
Product exploration explored 100000 steps with 3478 reset in 549 ms.
Stack based approach found an accepted trace after 279 steps with 10 reset with depth 37 and stack size 37 in 2 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-03 finished in 799 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||X(p1)||(p1&&F(p2))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Applied a total of 3 rules in 2 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14100359305632279238.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13758833859055311747.kers'
[2026-05-24 08:58:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14100359305632279238.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13758833859055311747.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 46 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 08:58:56] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13758833859055311747.kers
Total runtime 0 ms.
[2026-05-24 08:58:56] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 08:58:56] [INFO ] Invariant cache hit.
[2026-05-24 08:58:56] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 21/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||X(p1)||(p1&&F(p2))))))'
Stuttering acceptance computed with spot in 223 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 96 ms.
Product exploration explored 100000 steps with 50000 reset in 244 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 11 factoid took 16 ms. Proved property starting from automaton with 4 states, 5 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 46 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-04 finished in 733 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Applied a total of 3 rules in 3 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2026-05-24 08:58:56] [INFO ] Invariant cache hit.
[2026-05-24 08:58:57] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-24 08:58:57] [INFO ] Invariant cache hit.
[2026-05-24 08:58:57] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101 ms. Remains : 21/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 148 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-05 finished in 282 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(!p0))||(p1&&G(p2)))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 3 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16586662101812027238.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12778644448229874177.kers'
[2026-05-24 08:58:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16586662101812027238.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12778644448229874177.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 08:58:57] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12778644448229874177.kers
Total runtime 1 ms.
[2026-05-24 08:58:57] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-24 08:58:57] [INFO ] Invariant cache hit.
[2026-05-24 08:58:57] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 08:58:57] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/40 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 40/40 variables, and 27 constraints, problems are : Problem set: 0 solved, 17 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/22 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/22 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/40 variables, 22/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 17/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/40 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 40/40 variables, and 44 constraints, problems are : Problem set: 0 solved, 17 unsolved in 438 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 925ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 925ms
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1037 ms. Remains : 22/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(p0))||(G(p1)&&p2))))'
Stuttering acceptance computed with spot in 285 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-06
Product exploration explored 100000 steps with 24969 reset in 156 ms.
Product exploration explored 100000 steps with 25007 reset in 292 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 6 factoid took 103 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 7 states, 12 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 6858 steps (3 resets) in 83 ms. (81 steps per ms) remains 0/6 properties
Knowledge based reduction with 6 factoid took 213 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 7 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 341 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Knowledge-based reduction took 711 ms.
Stuttering acceptance computed with spot in 322 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Support contains 5 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2026-05-24 08:59:00] [INFO ] Invariant cache hit.
[2026-05-24 08:59:00] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 08:59:00] [INFO ] Invariant cache hit.
[2026-05-24 08:59:00] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 81 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 6 factoid took 81 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 7 states, 12 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 7 to 6
RANDOM walk for 17557 steps (14 resets) in 50 ms. (344 steps per ms) remains 0/6 properties
Knowledge based reduction with 6 factoid took 193 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 7 states, 12 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 303 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Knowledge-based reduction took 599 ms.
Stuttering acceptance computed with spot in 328 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Stuttering acceptance computed with spot in 325 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (NOT p1)]
Product exploration explored 100000 steps with 24924 reset in 82 ms.
Product exploration explored 100000 steps with 24989 reset in 70 ms.
Spot run failed in 164 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/ltsmin8084695778764993288
[2026-05-24 08:59:01] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8084695778764993288
Running compilation step : cd /tmp/ltsmin8084695778764993288;'/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 540 ms.
Running link step : cd /tmp/ltsmin8084695778764993288;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 72 ms.
Running LTSmin : cd /tmp/ltsmin8084695778764993288;'/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/stateBased12215906080375535111.hoa' '--buchi-type=spotba'
LTSmin run took 55 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-06 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-06 finished in 5267 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 15 place count 15 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 15 place count 15 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 place count 13 transition count 10
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 27 place count 9 transition count 6
Applied a total of 27 rules in 5 ms. Remains 9 /24 variables (removed 15) and now considering 6/18 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4159315913953388420.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15073955877238881208.kers'
[2026-05-24 08:59:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4159315913953388420.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15073955877238881208.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 9 cols 22 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-24 08:59:02] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15073955877238881208.kers
Total runtime 0 ms.
[2026-05-24 08:59:02] [INFO ] Implicit Places using invariants in 41 ms returned [6, 8]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 43 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/24 places, 6/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 7 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 6 transition count 5
Applied a total of 2 rules in 1 ms. Remains 6 /7 variables (removed 1) and now considering 5/6 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1774110712090406733.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15621351080641449099.kers'
[2026-05-24 08:59:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1774110712090406733.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15621351080641449099.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 6 cols 14 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-24 08:59:02] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15621351080641449099.kers
Total runtime 0 ms.
[2026-05-24 08:59:02] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 08:59:02] [INFO ] Invariant cache hit.
[2026-05-24 08:59:02] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/24 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 119 ms. Remains : 6/24 places, 5/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-07
Product exploration explored 100000 steps with 4756 reset in 209 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 27 in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-07 finished in 471 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((!p0&&F(p1)))||(!p0&&F(p1)&&F(p2))) U X(!p2)))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5877063340027063688.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3678877720871141073.kers'
[2026-05-24 08:59:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5877063340027063688.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3678877720871141073.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 08:59:03] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3678877720871141073.kers
Total runtime 0 ms.
[2026-05-24 08:59:03] [INFO ] Implicit Places using invariants in 38 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 21/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((!p0&&F(p1)))||(!p0&&F(p1)&&F(p2))) U X(!p2)))'
Stuttering acceptance computed with spot in 276 ms :[p2, p2, (AND (NOT p1) p2), p2, true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-08 finished in 376 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(!p0)) U (p1&&F((p2 U (p3||G(p2))))))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7644647861734046425.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14249552099887573519.kers'
[2026-05-24 08:59:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7644647861734046425.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14249552099887573519.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 08:59:03] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14249552099887573519.kers
Total runtime 1 ms.
[2026-05-24 08:59:03] [INFO ] Implicit Places using invariants in 54 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 56 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 21/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(!p0)) U (F((p1 U (p2||G(p1))))&&p3))))'
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p3) (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p2) (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-09
Product exploration explored 100000 steps with 1118 reset in 177 ms.
Product exploration explored 100000 steps with 1135 reset in 209 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 12 factoid took 170 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 13 states, 37 edges and 4 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 17 to 15
RANDOM walk for 40020 steps (28 resets) in 314 ms. (127 steps per ms) remains 5/15 properties
BEST_FIRST walk for 40003 steps (8 resets) in 374 ms. (106 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 253 ms. (157 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 464 ms. (86 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11018692104513826766.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13317107859856617072.kers'
[2026-05-24 08:59:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11018692104513826766.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13317107859856617072.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 44 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 08:59:04] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13317107859856617072.kers
Total runtime 0 ms.
Problem apf2 is UNSAT
Problem apf3 is UNSAT
Problem apf4 is UNSAT
Problem apf5 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 5/39 variables, and 0 constraints, problems are : Problem set: 5 solved, 0 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/21 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 5 invariant AP formulas.
Knowledge based reduction with 17 factoid took 307 ms. Reduced automaton from 13 states, 37 edges and 4 AP (stutter insensitive) to 13 states, 37 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 645 ms :[(OR (NOT p3) p0 (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p1) (NOT p2)), (AND p3 (NOT p0) (NOT p2) (NOT p1)), false, false, false, (AND p3 p0 (NOT p2) (NOT p1)), false, false, false]
[2026-05-24 08:59:05] [INFO ] Invariant cache hit.
[2026-05-24 08:59:05] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 08:59:05] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 08:59:05] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-24 08:59:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:59:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 08:59:05] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 08:59:05] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-24 08:59:06] [INFO ] Computed and/alt/rep : 17/18/17 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-24 08:59:06] [INFO ] Added : 13 causal constraints over 3 iterations in 33 ms. Result :sat
Could not prove EG (NOT p3)
Knowledge-based reduction took 1911 ms.
Stuttering acceptance computed with spot in 728 ms :[(OR (NOT p3) p0 (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p1) (NOT p2)), (AND p3 (NOT p0) (NOT p2) (NOT p1)), false, false, false, (AND p3 p0 (NOT p2) (NOT p1)), false, false, false]
Support contains 5 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 21 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 9 place count 17 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 10 place count 16 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 10 place count 16 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 14 transition count 11
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 16 place count 13 transition count 10
Applied a total of 16 rules in 8 ms. Remains 13 /21 variables (removed 8) and now considering 10/18 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17011444321050970673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4578932820544926863.kers'
[2026-05-24 08:59:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17011444321050970673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4578932820544926863.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 13 cols 28 entries
Finished phase 1 with 8 SingleSign rule and 1 generalized
[2026-05-24 08:59:06] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4578932820544926863.kers
Total runtime 0 ms.
[2026-05-24 08:59:06] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 08:59:06] [INFO ] Invariant cache hit.
[2026-05-24 08:59:06] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2026-05-24 08:59:06] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2026-05-24 08:59:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 1/13 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 17 constraints, problems are : Problem set: 0 solved, 9 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 1/13 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 26 constraints, problems are : Problem set: 0 solved, 9 unsolved in 150 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 369ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/21 places, 10/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 478 ms. Remains : 13/21 places, 10/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 31 factoid took 119 ms. Reduced automaton from 13 states, 37 edges and 4 AP (stutter insensitive) to 13 states, 37 edges and 4 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 17 to 15
RANDOM walk for 40000 steps (40 resets) in 56 ms. (701 steps per ms) remains 5/15 properties
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (8 resets) in 158 ms. (251 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 5/5 properties
[2026-05-24 08:59:07] [INFO ] Invariant cache hit.
Problem apf2 is UNSAT
Problem apf3 is UNSAT
Problem apf4 is UNSAT
Problem apf5 is UNSAT
Problem apf6 is UNSAT
After SMT solving in domain Real declared 5/23 variables, and 0 constraints, problems are : Problem set: 5 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 0/3 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/13 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 5 invariant AP formulas.
Knowledge based reduction with 36 factoid took 392 ms. Reduced automaton from 13 states, 37 edges and 4 AP (stutter insensitive) to 13 states, 37 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 713 ms :[(OR (NOT p3) p0 (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p1) (NOT p2)), (AND p3 (NOT p0) (NOT p2) (NOT p1)), false, false, false, (AND p3 p0 (NOT p2) (NOT p1)), false, false, false]
[2026-05-24 08:59:08] [INFO ] Invariant cache hit.
[2026-05-24 08:59:08] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2026-05-24 08:59:08] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 08:59:08] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-24 08:59:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:59:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 08:59:08] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 08:59:08] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-24 08:59:08] [INFO ] Computed and/alt/rep : 9/10/9 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-24 08:59:08] [INFO ] Added : 4 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p3)
Knowledge-based reduction took 1595 ms.
Stuttering acceptance computed with spot in 719 ms :[(OR (NOT p3) p0 (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p1) (NOT p2)), (AND p3 (NOT p0) (NOT p2) (NOT p1)), false, false, false, (AND p3 p0 (NOT p2) (NOT p1)), false, false, false]
Stuttering acceptance computed with spot in 698 ms :[(OR (NOT p3) p0 (AND (NOT p1) (NOT p2))), (OR (NOT p3) (AND (NOT p1) (NOT p2))), p0, p0, (AND (NOT p1) (NOT p2)), (AND p3 (NOT p0) (NOT p2) (NOT p1)), false, false, false, (AND p3 p0 (NOT p2) (NOT p1)), false, false, false]
Product exploration explored 100000 steps with 2502 reset in 160 ms.
Stack based approach found an accepted trace after 14579 steps with 365 reset with depth 125 and stack size 124 in 16 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-09 finished in 7103 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)&&(!p0 U G(!p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 12 place count 17 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 18 place count 14 transition count 10
Applied a total of 18 rules in 5 ms. Remains 14 /24 variables (removed 10) and now considering 10/18 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5529960680070060711.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13328694320534744382.kers'
[2026-05-24 08:59:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5529960680070060711.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13328694320534744382.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 14 cols 32 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-24 08:59:10] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13328694320534744382.kers
Total runtime 1 ms.
[2026-05-24 08:59:10] [INFO ] Implicit Places using invariants in 50 ms returned [10]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/24 places, 10/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 13 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 11 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 11 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 10 transition count 7
Applied a total of 6 rules in 2 ms. Remains 10 /13 variables (removed 3) and now considering 7/10 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12874032641418884012.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5922601099953705022.kers'
[2026-05-24 08:59:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12874032641418884012.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5922601099953705022.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 08:59:10] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5922601099953705022.kers
Total runtime 0 ms.
[2026-05-24 08:59:10] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 08:59:10] [INFO ] Invariant cache hit.
[2026-05-24 08:59:10] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 136 ms. Remains : 10/24 places, 7/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(!p0 U G(!p1))))'
Stuttering acceptance computed with spot in 121 ms :[p1, true, (OR (NOT p0) p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-11
Entered a terminal (fully accepting) state of product in 15 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-11 finished in 297 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))&&(G(p1)||((p0 U X(p3))&&p2))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Applied a total of 3 rules in 1 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14117689106457275704.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6249977820261847367.kers'
[2026-05-24 08:59:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14117689106457275704.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6249977820261847367.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 21 cols 46 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 08:59:10] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6249977820261847367.kers
Total runtime 1 ms.
[2026-05-24 08:59:10] [INFO ] Implicit Places using invariants in 36 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 20/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(F(p0))&&(G(p1)||((p0 U X(p3))&&p2))))))'
Stuttering acceptance computed with spot in 514 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), true, (NOT p0), (NOT p1), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-12 finished in 622 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(G(X(X(G(p0)))) U X(!X(p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Applied a total of 3 rules in 1 ms. Remains 21 /24 variables (removed 3) and now considering 18/18 (removed 0) transitions.
[2026-05-24 08:59:11] [INFO ] Invariant cache hit.
[2026-05-24 08:59:11] [INFO ] Implicit Places using invariants in 35 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 20/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(G(X(X(G(p0)))) U X(!X(p1))))'
Stuttering acceptance computed with spot in 243 ms :[true, p0, (NOT p1), (AND p0 (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-14 finished in 325 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((p0 U G(p0)))||(p0 U G(p1)))) U p0)))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1898363025311044579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11076432294421081804.kers'
[2026-05-24 08:59:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1898363025311044579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11076432294421081804.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 22 cols 48 entries
Finished phase 1 with 16 SingleSign rule and 1 generalized
[2026-05-24 08:59:11] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11076432294421081804.kers
Total runtime 0 ms.
[2026-05-24 08:59:11] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-24 08:59:11] [INFO ] Invariant cache hit.
[2026-05-24 08:59:11] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2026-05-24 08:59:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 1/5 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 522 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, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/22 variables, 1/5 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 414 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 943ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 944ms
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1033 ms. Remains : 22/24 places, 18/18 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((X((p0 U G(p0)))||(p0 U G(p1)))) U p0)))'
Stuttering acceptance computed with spot in 370 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0005P1-LTLFireability-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0005P1-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0005P1-LTLFireability-15 finished in 1457 ms.
All properties solved by simple procedures.
Total runtime 23453 ms.

BK_STOP 1779613153260

--------------------
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-N0005P1"
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-N0005P1, 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-177946901200308"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0005P1.tgz
mv ClientsAndServers-PT-N0005P1 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 ;