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.r194-tall-177969914400868.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 PhaseVariation-PT-D02CS100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914400868
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 8.4K Mar 8 14:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 8 14:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 8 14:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 8 14:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.6K Mar 16 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 16 08:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 16 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 8 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K Mar 8 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K Mar 8 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 8 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 16 08:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 16 08:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 61K 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 PhaseVariation-PT-D02CS100-LTLFireability-00
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-01
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-02
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-03
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-04
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-05
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-06
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-07
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-08
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-09
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-10
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-11
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-12
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-13
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-14
FORMULA_NAME PhaseVariation-PT-D02CS100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779844982897

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhaseVariation-PT-D02CS100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 01:23:03] [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]
[2026-05-27 01:23:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 01:23:04] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2026-05-27 01:23:04] [INFO ] Transformed 14 places.
[2026-05-27 01:23:04] [INFO ] Transformed 65 transitions.
[2026-05-27 01:23:04] [INFO ] Parsed PT model containing 14 places and 65 transitions and 443 arcs in 138 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 13 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 8 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Running 57 sub problems to find dead transitions.
[2026-05-27 01:23:04] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7147484148919242382.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9203821774024425764.kers'
[2026-05-27 01:23:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7147484148919242382.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9203821774024425764.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:04] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9203821774024425764.kers
Total runtime 0 ms.
[2026-05-27 01:23:04] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/23 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 23/23 variables, and 20 constraints, problems are : Problem set: 0 solved, 57 unsolved in 801 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (OVERLAPS) 1/14 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (OVERLAPS) 9/23 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 57/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 8 (OVERLAPS) 0/23 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 23/23 variables, and 77 constraints, problems are : Problem set: 0 solved, 57 unsolved in 703 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 14/14 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1581ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1596ms
[2026-05-27 01:23:05] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:05] [INFO ] Invariant cache hit.
[2026-05-27 01:23:05] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-27 01:23:05] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:05] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1745 ms. Remains : 14/14 places, 65/65 transitions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:06] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:06] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-27 01:23:06] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:06] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 55 ms. Remains : 14/14 places, 65/65 transitions.
Support contains 13 out of 14 places after structural reductions.
[2026-05-27 01:23:06] [INFO ] Flatten gal took : 29 ms
[2026-05-27 01:23:06] [INFO ] Flatten gal took : 9 ms
[2026-05-27 01:23:06] [INFO ] Input system was already deterministic with 65 transitions.
Reduction of identical properties reduced properties to check from 28 to 24
RANDOM walk for 4035 steps (36 resets) in 41 ms. (96 steps per ms) remains 0/24 properties
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((X(p0)&&F(!p1)))||X(!p0))) U ((!p2&&X((F((X(p0)&&F(!p1)))||X(!p0))))||X(G((F((X(p0)&&F(!p1)))||X(!p0)))))))'
Support contains 7 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:06] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:06] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-27 01:23:06] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:06] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants and state equation in 33 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 76 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 62 place count 9 transition count 7
Applied a total of 62 rules in 9 ms. Remains 9 /13 variables (removed 4) and now considering 7/65 (removed 58) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-92201301407862356.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8631092276335256587.kers'
[2026-05-27 01:23:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-92201301407862356.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8631092276335256587.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 9 cols 16 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-27 01:23:06] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8631092276335256587.kers
Total runtime 0 ms.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-27 01:23:06] [INFO ] Invariant cache hit.
[2026-05-27 01:23:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:06] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/14 places, 7/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 125 ms. Remains : 9/14 places, 7/65 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((X(p0)&&F(!p1)))||X(!p0))) U (X(G((F((X(p0)&&F(!p1)))||X(!p0))))||(!p2&&X((F((X(p0)&&F(!p1)))||X(!p0)))))))'
Stuttering acceptance computed with spot in 575 ms :[(AND p1 p0), (AND p0 p1), (AND p1 p0), (AND p0 p1), p1, false]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-01
Product exploration explored 100000 steps with 20438 reset in 251 ms.
Product exploration explored 100000 steps with 20220 reset in 183 ms.
Computed a total of 9 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 9 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 16 ms. Proved property starting from automaton with 6 states, 12 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 43 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-01 finished in 1288 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 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 10 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8699280978583174935.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18342204381006275084.kers'
[2026-05-27 01:23:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8699280978583174935.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18342204381006275084.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:08] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18342204381006275084.kers
Total runtime 0 ms.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:08] [INFO ] Invariant cache hit.
[2026-05-27 01:23:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants and state equation in 36 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 62 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 8 transition count 7
Applied a total of 63 rules in 2 ms. Remains 8 /13 variables (removed 5) and now considering 7/65 (removed 58) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8199713518202654320.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7408766623673567858.kers'
[2026-05-27 01:23:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8199713518202654320.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7408766623673567858.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 8 cols 15 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-27 01:23:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7408766623673567858.kers
Total runtime 0 ms.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-27 01:23:08] [INFO ] Invariant cache hit.
[2026-05-27 01:23:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/14 places, 7/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 117 ms. Remains : 8/14 places, 7/65 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 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-02
Product exploration explored 100000 steps with 979 reset in 75 ms.
Product exploration explored 100000 steps with 979 reset in 196 ms.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 12 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 30 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-02 finished in 529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(G(!p0)))))))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12901564477332754145.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5353831589273344439.kers'
[2026-05-27 01:23:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12901564477332754145.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5353831589273344439.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:08] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5353831589273344439.kers
Total runtime 0 ms.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:08] [INFO ] Invariant cache hit.
[2026-05-27 01:23:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants and state equation in 29 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 59 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 65 place count 7 transition count 6
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 6 transition count 5
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 6 transition count 5
Applied a total of 67 rules in 4 ms. Remains 6 /13 variables (removed 7) and now considering 5/65 (removed 60) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6001774201328395260.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1277287204714478344.kers'
[2026-05-27 01:23:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6001774201328395260.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1277287204714478344.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 6 cols 10 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-27 01:23:08] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1277287204714478344.kers
Total runtime 0 ms.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-27 01:23:08] [INFO ] Invariant cache hit.
[2026-05-27 01:23:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6/14 places, 5/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 101 ms. Remains : 6/14 places, 5/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(G(p0)))))))'
Stuttering acceptance computed with spot in 227 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-03
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 1 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-03 finished in 352 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) U X((p1||X(p2))))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-671338112673078438.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13709964823505541405.kers'
[2026-05-27 01:23:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-671338112673078438.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13709964823505541405.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:08] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13709964823505541405.kers
Total runtime 0 ms.
[2026-05-27 01:23:08] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-27 01:23:08] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:09] [INFO ] Invariant cache hit.
[2026-05-27 01:23:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:09] [INFO ] Implicit Places using invariants and state equation in 38 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 78 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 8 transition count 6
Applied a total of 64 rules in 1 ms. Remains 8 /13 variables (removed 5) and now considering 6/65 (removed 59) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13490297817223630839.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14929254328729367651.kers'
[2026-05-27 01:23:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13490297817223630839.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14929254328729367651.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 8 cols 13 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-27 01:23:09] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14929254328729367651.kers
Total runtime 0 ms.
[2026-05-27 01:23:09] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-27 01:23:09] [INFO ] Invariant cache hit.
[2026-05-27 01:23:09] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:09] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/14 places, 6/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 120 ms. Remains : 8/14 places, 6/65 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) U X((X(p1)||p2)))))'
Stuttering acceptance computed with spot in 345 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-04
Product exploration explored 100000 steps with 21942 reset in 96 ms.
Product exploration explored 100000 steps with 21968 reset in 104 ms.
Computed a total of 8 stabilizing places and 6 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 6
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 4 factoid took 123 ms. Reduced automaton from 8 states, 11 edges and 3 AP (stutter sensitive) to 8 states, 11 edges and 3 AP (stutter sensitive).
RANDOM walk for 956 steps (8 resets) in 6 ms. (136 steps per ms) remains 0/7 properties
Knowledge based reduction with 4 factoid took 184 ms. Reduced automaton from 8 states, 11 edges and 3 AP (stutter sensitive) to 8 states, 11 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 348 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
[2026-05-27 01:23:10] [INFO ] Invariant cache hit.
Proved EG (AND (NOT p1) (NOT p2)) asserting that LTL formula F !(AND (NOT p1) (NOT p2)) is false.
Negative knowledge disproves property using: (F (NOT (AND (NOT p1) (NOT p2))))
Knowledge-based reduction took 723 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-04 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-04 finished in 1419 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 p1)||(F(p2)&&G(p3))))'
Support contains 6 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 12 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:10] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-410587812296211846.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12094849426551178134.kers'
[2026-05-27 01:23:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-410587812296211846.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12094849426551178134.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:10] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12094849426551178134.kers
Total runtime 0 ms.
[2026-05-27 01:23:10] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-27 01:23:10] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:10] [INFO ] Invariant cache hit.
[2026-05-27 01:23:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:10] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2026-05-27 01:23:10] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 73 ms. Remains : 14/14 places, 65/65 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 p1)||(F(p2)&&G(p3))))'
Stuttering acceptance computed with spot in 221 ms :[true, (OR (NOT p3) (NOT p2)), (NOT p3), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (NOT p1)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-05
Product exploration explored 100000 steps with 11053 reset in 122 ms.
Product exploration explored 100000 steps with 11074 reset in 127 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 24 factoid took 386 ms. Reduced automaton from 6 states, 18 edges and 4 AP (stutter insensitive) to 5 states, 13 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (364 resets) in 119 ms. (333 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (44 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
[2026-05-27 01:23:11] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:11] [INFO ] Invariant cache hit.
[2026-05-27 01:23:11] [INFO ] State equation strengthened by 1 read => feed constraints.
Problem apf2 is UNSAT
After SMT solving in domain Real declared 4/23 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/14 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 25 factoid took 469 ms. Reduced automaton from 5 states, 13 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
[2026-05-27 01:23:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:12] [INFO ] Invariant cache hit.
Proved EG (NOT p1) asserting that LTL formula F !(NOT p1) is false.
Negative knowledge disproves property using: (F p1)
Knowledge-based reduction took 1135 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-05 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-05 finished in 1702 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p1)||F(!p0))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 6 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:12] [INFO ] Invariant cache hit.
[2026-05-27 01:23:12] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-27 01:23:12] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:12] [INFO ] Invariant cache hit.
[2026-05-27 01:23:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:12] [INFO ] Implicit Places using invariants and state equation in 29 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 59 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 8 transition count 7
Applied a total of 63 rules in 2 ms. Remains 8 /13 variables (removed 5) and now considering 7/65 (removed 58) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6603207407644854185.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-533525701837039519.kers'
[2026-05-27 01:23:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6603207407644854185.kers, --Pflows, --basisKERS=/tmp/petrispot-output-533525701837039519.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 8 cols 15 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-27 01:23:12] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-533525701837039519.kers
Total runtime 0 ms.
[2026-05-27 01:23:12] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-27 01:23:12] [INFO ] Invariant cache hit.
[2026-05-27 01:23:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:12] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/14 places, 7/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 107 ms. Remains : 8/14 places, 7/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G(p1)||F(!p0))))'
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), p0, (OR (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-06
Product exploration explored 100000 steps with 14198 reset in 59 ms.
Product exploration explored 100000 steps with 14395 reset in 65 ms.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 4 factoid took 235 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 1884 steps (16 resets) in 7 ms. (235 steps per ms) remains 0/1 properties
Knowledge based reduction with 4 factoid took 235 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
Proved EG (NOT p0) asserting that LTL formula F !(NOT p0) is false.
Negative knowledge disproves property using: (F p0)
Knowledge-based reduction took 619 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-06 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-06 finished in 1026 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 2 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11934594102116048411.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13565801732823781053.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11934594102116048411.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13565801732823781053.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13565801732823781053.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 37 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 72 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 65 place count 7 transition count 6
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 6 transition count 5
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 6 transition count 5
Applied a total of 67 rules in 1 ms. Remains 6 /13 variables (removed 7) and now considering 5/65 (removed 60) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16267188052638655585.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-688702617615833414.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16267188052638655585.kers, --Pflows, --basisKERS=/tmp/petrispot-output-688702617615833414.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 6 cols 10 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-688702617615833414.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6/14 places, 5/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 120 ms. Remains : 6/14 places, 5/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 81 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-07 finished in 220 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&G((G(p2)||p1))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 10 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11551602616273290491.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5203349703049984004.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11551602616273290491.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5203349703049984004.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5203349703049984004.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 58 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 63 place count 8 transition count 7
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 64 place count 7 transition count 6
Iterating global reduction 1 with 1 rules applied. Total rules applied 65 place count 7 transition count 6
Applied a total of 65 rules in 2 ms. Remains 7 /13 variables (removed 6) and now considering 6/65 (removed 59) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15443733283413172965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9766707964546454077.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15443733283413172965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9766707964546454077.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 6 rows 7 cols 13 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9766707964546454077.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 14 ms returned []
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/14 places, 6/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 103 ms. Remains : 7/14 places, 6/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&G((G(p2)||p1))))'
Stuttering acceptance computed with spot in 147 ms :[true, (OR (NOT p2) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p1)), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-08 finished in 278 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(F(p0))||(X(X((!p2||G(F(p0)))))&&p1)||G(!p2))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3838222350020093185.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5642646568631822046.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3838222350020093185.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5642646568631822046.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5642646568631822046.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-27 01:23:13] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 31 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 63 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 64 place count 8 transition count 6
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 65 place count 7 transition count 5
Iterating global reduction 1 with 1 rules applied. Total rules applied 66 place count 7 transition count 5
Applied a total of 66 rules in 1 ms. Remains 7 /13 variables (removed 6) and now considering 5/65 (removed 60) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14954556934303437203.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16038165342514285489.kers'
[2026-05-27 01:23:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14954556934303437203.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16038165342514285489.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 5 rows 7 cols 11 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-27 01:23:13] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16038165342514285489.kers
Total runtime 0 ms.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-27 01:23:13] [INFO ] Invariant cache hit.
[2026-05-27 01:23:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:13] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 7/14 places, 5/65 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 108 ms. Remains : 7/14 places, 5/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||G(p1)||(X(X((G(F(p0))||p3)))&&p2))))'
Stuttering acceptance computed with spot in 332 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-09
Product exploration explored 100000 steps with 3383 reset in 119 ms.
Product exploration explored 100000 steps with 3458 reset in 124 ms.
Computed a total of 7 stabilizing places and 5 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 7 transition count 5
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 12 factoid took 49 ms. Proved property starting from automaton with 8 states, 32 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 76 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-09 finished in 796 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U G(!p1))&&X(!p1))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 10 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:14] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10945041940412879417.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17995841413615721457.kers'
[2026-05-27 01:23:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10945041940412879417.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17995841413615721457.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:14] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17995841413615721457.kers
Total runtime 1 ms.
[2026-05-27 01:23:14] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-27 01:23:14] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:14] [INFO ] Invariant cache hit.
[2026-05-27 01:23:14] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:14] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2026-05-27 01:23:14] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 14/14 places, 65/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0 U G(!p1))&&X(!p1))))'
Stuttering acceptance computed with spot in 121 ms :[p1, p1, p1]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-10
Product exploration explored 100000 steps with 1000 reset in 178 ms.
Product exploration explored 100000 steps with 999 reset in 175 ms.
Computed a total of 14 stabilizing places and 65 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 14 transition count 65
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 11 factoid took 15 ms. Proved property starting from automaton with 3 states, 9 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 45 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-10 finished in 621 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((X((p0&&X(p1)))||(G(!p0)&&p2))))'
Support contains 6 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 ms. Remains : 14/14 places, 65/65 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((X((p0&&X(p1)))||(G(!p0)&&p2))))'
Stuttering acceptance computed with spot in 152 ms :[(OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND p0 (NOT p1))), (AND p0 (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1)))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-11
Stuttering criterion allowed to conclude after 173 steps with 23 reset in 1 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-11 finished in 236 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 6 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 7 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants and state equation in 27 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 49 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 61 place count 9 transition count 8
Applied a total of 61 rules in 2 ms. Remains 9 /13 variables (removed 4) and now considering 8/65 (removed 57) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1331970135451494992.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4292594135458716251.kers'
[2026-05-27 01:23:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1331970135451494992.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4292594135458716251.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 9 cols 18 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-27 01:23:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4292594135458716251.kers
Total runtime 0 ms.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/14 places, 8/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 95 ms. Remains : 9/14 places, 8/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p0)||p1))))'
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-12
Stuttering criterion allowed to conclude after 148 steps with 8 reset in 1 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-12 finished in 201 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 3 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 4 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11227445428973527847.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5729479593869089769.kers'
[2026-05-27 01:23:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11227445428973527847.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5729479593869089769.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:15] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5729479593869089769.kers
Total runtime 0 ms.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-27 01:23:15] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants and state equation in 30 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 61 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/14 places, 65/65 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 0 with 56 rules applied. Total rules applied 56 place count 13 transition count 9
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 65 place count 7 transition count 6
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 67 place count 5 transition count 4
Iterating global reduction 1 with 2 rules applied. Total rules applied 69 place count 5 transition count 4
Applied a total of 69 rules in 2 ms. Remains 5 /13 variables (removed 8) and now considering 4/65 (removed 61) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4437403263325183746.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6499953930833144848.kers'
[2026-05-27 01:23:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4437403263325183746.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6499953930833144848.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 4 rows 5 cols 8 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-27 01:23:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6499953930833144848.kers
Total runtime 0 ms.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-27 01:23:15] [INFO ] Invariant cache hit.
[2026-05-27 01:23:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:15] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/14 places, 4/65 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 105 ms. Remains : 5/14 places, 4/65 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 : PhaseVariation-PT-D02CS100-LTLFireability-13
Product exploration explored 100000 steps with 25004 reset in 119 ms.
Product exploration explored 100000 steps with 25064 reset in 143 ms.
Computed a total of 5 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 5 transition count 4
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 2 factoid took 105 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 191 steps (1 resets) in 7 ms. (23 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 118 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 34 ms :[(NOT p0)]
[2026-05-27 01:23:16] [INFO ] Invariant cache hit.
Proved EG (NOT p0) asserting that LTL formula F !(NOT p0) is false.
Negative knowledge disproves property using: (F p0)
Knowledge-based reduction took 313 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-13 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-13 finished in 745 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((X(p1)||p0))&&X(!p2)))))'
Support contains 5 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 65/65 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Skipped dead transition search.
[2026-05-27 01:23:16] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3985789052684886330.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12219665356673151868.kers'
[2026-05-27 01:23:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3985789052684886330.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12219665356673151868.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 14 cols 25 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 01:23:16] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12219665356673151868.kers
Total runtime 0 ms.
[2026-05-27 01:23:16] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-27 01:23:16] [INFO ] Flow matrix only has 9 transitions (discarded 56 similar events)
[2026-05-27 01:23:16] [INFO ] Invariant cache hit.
[2026-05-27 01:23:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 01:23:16] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 55 ms. Remains : 14/14 places, 65/65 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((X(p1)||p0))&&X(p2)))))'
Stuttering acceptance computed with spot in 264 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p2), true]
Running random walk in product with property : PhaseVariation-PT-D02CS100-LTLFireability-15
Entered a terminal (fully accepting) state of product in 7 steps with 1 reset in 0 ms.
FORMULA PhaseVariation-PT-D02CS100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PhaseVariation-PT-D02CS100-LTLFireability-15 finished in 343 ms.
All properties solved by simple procedures.
Total runtime 12541 ms.

BK_STOP 1779844996909

--------------------
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="PhaseVariation-PT-D02CS100"
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 PhaseVariation-PT-D02CS100, 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 r194-tall-177969914400868"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D02CS100.tgz
mv PhaseVariation-PT-D02CS100 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 ;