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.r146-tall-177961074200404.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is GPUForwardProgress-PT-08b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 5.5K Mar 7 11:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Mar 7 11:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 11:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 11:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 11:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K Mar 7 11:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 7 11:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 11:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 46K 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 GPUForwardProgress-PT-08b-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-08b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779725374736

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-08b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 16:09:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 16:09:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:09:36] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2026-05-25 16:09:36] [INFO ] Transformed 188 places.
[2026-05-25 16:09:36] [INFO ] Transformed 197 transitions.
[2026-05-25 16:09:36] [INFO ] Found NUPN structural information;
[2026-05-25 16:09:36] [INFO ] Parsed PT model containing 188 places and 197 transitions and 477 arcs in 159 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-08b-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-08b-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-08b-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-08b-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 188 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 188/188 places, 197/197 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 187 transition count 197
Discarding 15 places :
Symmetric choice reduction at 1 with 15 rule applications. Total rules 16 place count 172 transition count 182
Iterating global reduction 1 with 15 rules applied. Total rules applied 31 place count 172 transition count 182
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 35 place count 168 transition count 178
Iterating global reduction 1 with 4 rules applied. Total rules applied 39 place count 168 transition count 178
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 43 place count 168 transition count 174
Applied a total of 43 rules in 59 ms. Remains 168 /188 variables (removed 20) and now considering 174/197 (removed 23) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2985474318771145981.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3522257830786419761.kers'
[2026-05-25 16:09:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2985474318771145981.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3522257830786419761.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 174 rows 168 cols 429 entries
Finished phase 1 with 158 SingleSign rule and 1 generalized
[2026-05-25 16:09:36] [INFO ] Computed 9 invariants in 1 ms
Computed 9 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3522257830786419761.kers
Total runtime 2 ms.
[2026-05-25 16:09:36] [INFO ] Implicit Places using invariants in 256 ms returned []
[2026-05-25 16:09:36] [INFO ] Invariant cache hit.
[2026-05-25 16:09:36] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 475 ms to find 0 implicit places.
Running 173 sub problems to find dead transitions.
[2026-05-25 16:09:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 174/341 variables, 167/176 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/341 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (OVERLAPS) 1/342 variables, 1/177 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (OVERLAPS) 0/342 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 342/342 variables, and 177 constraints, problems are : Problem set: 0 solved, 173 unsolved in 9688 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 168/168 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (OVERLAPS) 174/341 variables, 167/176 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/341 variables, 173/349 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/341 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (OVERLAPS) 1/342 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 0/342 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Int declared 342/342 variables, and 350 constraints, problems are : Problem set: 0 solved, 173 unsolved in 14007 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 168/168 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23752ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 23774ms
Starting structural reductions in LTL mode, iteration 1 : 168/188 places, 174/197 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24340 ms. Remains : 168/188 places, 174/197 transitions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Applied a total of 0 rules in 4 ms. Remains 168 /168 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2026-05-25 16:10:00] [INFO ] Invariant cache hit.
[2026-05-25 16:10:00] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-25 16:10:00] [INFO ] Invariant cache hit.
[2026-05-25 16:10:00] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 164 ms. Remains : 168/168 places, 174/174 transitions.
Support contains 27 out of 168 places after structural reductions.
[2026-05-25 16:10:00] [INFO ] Flatten gal took : 31 ms
[2026-05-25 16:10:00] [INFO ] Flatten gal took : 14 ms
[2026-05-25 16:10:00] [INFO ] Input system was already deterministic with 174 transitions.
Support contains 26 out of 168 places (down from 27) after GAL structural reductions.
RANDOM walk for 24459 steps (298 resets) in 996 ms. (24 steps per ms) remains 0/26 properties
FORMULA GPUForwardProgress-PT-08b-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 35 stabilizing places and 35 stable transitions
Graph (complete) has 255 edges and 168 vertex of which 156 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.7 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((X(p0)&&(p1 U (p2||G(p1))))))||(F((X(p0)&&(p1 U (p2||G(p1)))))&&(p1 U (p3||G(p1)))))))'
Support contains 6 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 157 transition count 163
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 157 transition count 163
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 157 transition count 162
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 154 transition count 159
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 154 transition count 159
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 30 place count 154 transition count 158
Applied a total of 30 rules in 12 ms. Remains 154 /168 variables (removed 14) and now considering 158/174 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5276838307061302946.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11181421897844899451.kers'
[2026-05-25 16:10:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5276838307061302946.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11181421897844899451.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 158 rows 154 cols 397 entries
Finished phase 1 with 144 SingleSign rule and 1 generalized
[2026-05-25 16:10:01] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11181421897844899451.kers
Total runtime 0 ms.
[2026-05-25 16:10:01] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 16:10:01] [INFO ] Invariant cache hit.
[2026-05-25 16:10:02] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
Running 157 sub problems to find dead transitions.
[2026-05-25 16:10:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/311 variables, 153/162 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (OVERLAPS) 1/312 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (OVERLAPS) 0/312 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Real declared 312/312 variables, and 163 constraints, problems are : Problem set: 0 solved, 157 unsolved in 7493 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 157 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/311 variables, 153/162 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 157/319 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (OVERLAPS) 1/312 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 7 (OVERLAPS) 0/312 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Int declared 312/312 variables, and 320 constraints, problems are : Problem set: 0 solved, 157 unsolved in 8954 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16466ms problems are : Problem set: 0 solved, 157 unsolved
Search for dead transitions found 0 dead transitions in 16468ms
Starting structural reductions in LTL mode, iteration 1 : 154/168 places, 158/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16639 ms. Remains : 154/168 places, 158/174 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((X(p0)&&(p1 U (p2||G(p1))))))||(F((X(p0)&&(p1 U (p2||G(p1)))))&&(p1 U (p3||G(p1)))))))'
Stuttering acceptance computed with spot in 353 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3)))]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 217 ms.
Product exploration explored 100000 steps with 50000 reset in 176 ms.
Computed a total of 27 stabilizing places and 27 stable transitions
Graph (complete) has 239 edges and 154 vertex of which 142 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.5 ms
Computed a total of 27 stabilizing places and 27 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 29 factoid took 15 ms. Proved property starting from automaton with 5 states, 17 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 28 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-02 finished in 17557 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Graph (trivial) has 145 edges and 168 vertex of which 6 / 168 are part of one of the 1 SCC in 4 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 249 edges and 163 vertex of which 151 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 76 transitions
Trivial Post-agglo rules discarded 76 transitions
Performed 76 trivial Post agglomeration. Transition count delta: 76
Iterating post reduction 0 with 76 rules applied. Total rules applied 78 place count 150 transition count 88
Reduce places removed 76 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 1 with 81 rules applied. Total rules applied 159 place count 74 transition count 83
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 4 rules applied. Total rules applied 163 place count 72 transition count 81
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 167 place count 70 transition count 79
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 168 place count 69 transition count 79
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 18 Pre rules applied. Total rules applied 168 place count 69 transition count 61
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 5 with 36 rules applied. Total rules applied 204 place count 51 transition count 61
Discarding 9 places :
Symmetric choice reduction at 5 with 9 rule applications. Total rules 213 place count 42 transition count 52
Iterating global reduction 5 with 9 rules applied. Total rules applied 222 place count 42 transition count 52
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 1 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 5 with 52 rules applied. Total rules applied 274 place count 16 transition count 26
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 280 place count 10 transition count 14
Iterating global reduction 5 with 6 rules applied. Total rules applied 286 place count 10 transition count 14
Performed 2 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 290 place count 8 transition count 11
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 291 place count 7 transition count 10
Applied a total of 291 rules in 33 ms. Remains 7 /168 variables (removed 161) and now considering 10/174 (removed 164) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15645756994529589791.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14024073533416384628.kers'
[2026-05-25 16:10:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15645756994529589791.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14024073533416384628.kers]
Normalized transition count is 9 out of 10 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 9 rows 7 cols 20 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-25 16:10:19] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14024073533416384628.kers
Total runtime 0 ms.
[2026-05-25 16:10:19] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 16:10:19] [INFO ] Invariant cache hit.
[2026-05-25 16:10:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:10:19] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-25 16:10:19] [INFO ] Redundant transitions in 12 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 16:10:19] [INFO ] Invariant cache hit.
[2026-05-25 16:10:19] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 9/14 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2/16 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 1/17 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/17 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 84 ms.
Refiners :[State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 9/14 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2/16 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 1/17 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/17 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/17 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 68 ms.
Refiners :[State Equation: 7/7 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 157ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 157ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/168 places, 10/174 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 253 ms. Remains : 7/168 places, 10/174 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 38 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-05
Stuttering criterion allowed to conclude after 7 steps with 2 reset in 1 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-05 finished in 314 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0) U p1)||X(X(F((p2&&G(p3)))))) U p4))'
Support contains 5 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 158 transition count 164
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 158 transition count 164
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 22 place count 158 transition count 162
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 25 place count 155 transition count 159
Iterating global reduction 1 with 3 rules applied. Total rules applied 28 place count 155 transition count 159
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 29 place count 155 transition count 158
Applied a total of 29 rules in 14 ms. Remains 155 /168 variables (removed 13) and now considering 158/174 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6678041147582423051.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-573108408067351559.kers'
[2026-05-25 16:10:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6678041147582423051.kers, --Pflows, --basisKERS=/tmp/petrispot-output-573108408067351559.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 158 rows 155 cols 397 entries
Finished phase 1 with 145 SingleSign rule and 1 generalized
[2026-05-25 16:10:19] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-573108408067351559.kers
Total runtime 1 ms.
[2026-05-25 16:10:19] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-25 16:10:19] [INFO ] Invariant cache hit.
[2026-05-25 16:10:19] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Running 157 sub problems to find dead transitions.
[2026-05-25 16:10:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/312 variables, 154/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (OVERLAPS) 1/313 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (OVERLAPS) 0/313 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Real declared 313/313 variables, and 164 constraints, problems are : Problem set: 0 solved, 157 unsolved in 7100 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 155/155 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 157 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/312 variables, 154/163 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/312 variables, 157/320 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/312 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (OVERLAPS) 1/313 variables, 1/321 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 7 (OVERLAPS) 0/313 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Int declared 313/313 variables, and 321 constraints, problems are : Problem set: 0 solved, 157 unsolved in 9349 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 155/155 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16465ms problems are : Problem set: 0 solved, 157 unsolved
Search for dead transitions found 0 dead transitions in 16470ms
Starting structural reductions in LTL mode, iteration 1 : 155/168 places, 158/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16628 ms. Remains : 155/168 places, 158/174 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((G(p0) U p1)||X(X(F((p2&&G(p3)))))) U p4))'
Stuttering acceptance computed with spot in 455 ms :[(NOT p4), (OR (NOT p3) (NOT p2)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), (OR (NOT p3) (NOT p2)), (NOT p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND p0 (NOT p1) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-06
Stuttering criterion allowed to conclude after 73 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-06 finished in 17165 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||X((X(X(p1))||G(p2)))))))'
Support contains 4 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 155 transition count 161
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 155 transition count 161
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 29 place count 155 transition count 158
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 32 place count 152 transition count 155
Iterating global reduction 1 with 3 rules applied. Total rules applied 35 place count 152 transition count 155
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 36 place count 152 transition count 154
Applied a total of 36 rules in 9 ms. Remains 152 /168 variables (removed 16) and now considering 154/174 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8117434563729828534.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13329185905211178569.kers'
[2026-05-25 16:10:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8117434563729828534.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13329185905211178569.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 154 rows 152 cols 389 entries
Finished phase 1 with 142 SingleSign rule and 1 generalized
[2026-05-25 16:10:36] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13329185905211178569.kers
Total runtime 1 ms.
[2026-05-25 16:10:36] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-25 16:10:36] [INFO ] Invariant cache hit.
[2026-05-25 16:10:37] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 153 sub problems to find dead transitions.
[2026-05-25 16:10:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 154/305 variables, 151/160 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (OVERLAPS) 1/306 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/306 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (OVERLAPS) 0/306 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Real declared 306/306 variables, and 161 constraints, problems are : Problem set: 0 solved, 153 unsolved in 7115 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 152/152 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 153 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 2 (OVERLAPS) 154/305 variables, 151/160 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/305 variables, 153/313 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 5 (OVERLAPS) 1/306 variables, 1/314 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 153 unsolved
At refinement iteration 7 (OVERLAPS) 0/306 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 153 unsolved
No progress, stopping.
After SMT solving in domain Int declared 306/306 variables, and 314 constraints, problems are : Problem set: 0 solved, 153 unsolved in 8879 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 152/152 constraints, PredecessorRefiner: 153/153 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16007ms problems are : Problem set: 0 solved, 153 unsolved
Search for dead transitions found 0 dead transitions in 16008ms
Starting structural reductions in LTL mode, iteration 1 : 152/168 places, 154/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16168 ms. Remains : 152/168 places, 154/174 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||X((X(X(p1))||G(p2)))))))'
Stuttering acceptance computed with spot in 351 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), true, (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 44 steps with 0 reset in 2 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-08 finished in 16565 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(p1)&&G(!p0)))))'
Support contains 2 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 157 transition count 163
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 157 transition count 163
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 25 place count 157 transition count 160
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 156 transition count 159
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 156 transition count 159
Applied a total of 27 rules in 7 ms. Remains 156 /168 variables (removed 12) and now considering 159/174 (removed 15) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12026678571895700468.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11987669883787191661.kers'
[2026-05-25 16:10:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12026678571895700468.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11987669883787191661.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 159 rows 156 cols 399 entries
Finished phase 1 with 146 SingleSign rule and 1 generalized
[2026-05-25 16:10:53] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11987669883787191661.kers
Total runtime 1 ms.
[2026-05-25 16:10:53] [INFO ] Implicit Places using invariants in 91 ms returned []
[2026-05-25 16:10:53] [INFO ] Invariant cache hit.
[2026-05-25 16:10:53] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
Running 158 sub problems to find dead transitions.
[2026-05-25 16:10:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 2 (OVERLAPS) 159/314 variables, 155/164 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 4 (OVERLAPS) 1/315 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 6 (OVERLAPS) 0/315 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 158 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 165 constraints, problems are : Problem set: 0 solved, 158 unsolved in 7591 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 158/158 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 158 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 2 (OVERLAPS) 159/314 variables, 155/164 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/314 variables, 158/322 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/314 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 5 (OVERLAPS) 1/315 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 158 unsolved
No progress, stopping.
After SMT solving in domain Int declared 315/315 variables, and 323 constraints, problems are : Problem set: 0 solved, 158 unsolved in 9594 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 158/158 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17201ms problems are : Problem set: 0 solved, 158 unsolved
Search for dead transitions found 0 dead transitions in 17202ms
Starting structural reductions in LTL mode, iteration 1 : 156/168 places, 159/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17409 ms. Remains : 156/168 places, 159/174 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(p1)&&G(!p0)))))'
Stuttering acceptance computed with spot in 184 ms :[p0, (OR (NOT p1) p0), true, (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-09
Entered a terminal (fully accepting) state of product in 12 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-09 finished in 17638 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||G(p1))))))'
Support contains 3 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 158 transition count 164
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 158 transition count 164
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 23 place count 158 transition count 161
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 25 place count 156 transition count 159
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 156 transition count 159
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 28 place count 156 transition count 158
Applied a total of 28 rules in 12 ms. Remains 156 /168 variables (removed 12) and now considering 158/174 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-63943563116759869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11699586257390366435.kers'
[2026-05-25 16:11:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-63943563116759869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11699586257390366435.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 158 rows 156 cols 397 entries
Finished phase 1 with 146 SingleSign rule and 1 generalized
[2026-05-25 16:11:11] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11699586257390366435.kers
Total runtime 2 ms.
[2026-05-25 16:11:11] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-25 16:11:11] [INFO ] Invariant cache hit.
[2026-05-25 16:11:11] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
Running 157 sub problems to find dead transitions.
[2026-05-25 16:11:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/313 variables, 155/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (OVERLAPS) 1/314 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (OVERLAPS) 0/314 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 165 constraints, problems are : Problem set: 0 solved, 157 unsolved in 7555 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 157 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 158/313 variables, 155/164 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/313 variables, 157/321 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/313 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (OVERLAPS) 1/314 variables, 1/322 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 7 (OVERLAPS) 0/314 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 157 unsolved
No progress, stopping.
After SMT solving in domain Int declared 314/314 variables, and 322 constraints, problems are : Problem set: 0 solved, 157 unsolved in 9691 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 156/156 constraints, PredecessorRefiner: 157/157 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17270ms problems are : Problem set: 0 solved, 157 unsolved
Search for dead transitions found 0 dead transitions in 17271ms
Starting structural reductions in LTL mode, iteration 1 : 156/168 places, 158/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17446 ms. Remains : 156/168 places, 158/174 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||G(p1))))))'
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-10
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-10 finished in 17621 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Graph (trivial) has 144 edges and 168 vertex of which 6 / 168 are part of one of the 1 SCC in 0 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 249 edges and 163 vertex of which 151 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 75 transitions
Trivial Post-agglo rules discarded 75 transitions
Performed 75 trivial Post agglomeration. Transition count delta: 75
Iterating post reduction 0 with 75 rules applied. Total rules applied 77 place count 150 transition count 89
Reduce places removed 75 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 82 rules applied. Total rules applied 159 place count 75 transition count 82
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 4 rules applied. Total rules applied 163 place count 72 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 164 place count 71 transition count 81
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 19 Pre rules applied. Total rules applied 164 place count 71 transition count 62
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 4 with 38 rules applied. Total rules applied 202 place count 52 transition count 62
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 212 place count 42 transition count 52
Iterating global reduction 4 with 10 rules applied. Total rules applied 222 place count 42 transition count 52
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 4 with 50 rules applied. Total rules applied 272 place count 17 transition count 27
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 278 place count 11 transition count 15
Iterating global reduction 4 with 6 rules applied. Total rules applied 284 place count 11 transition count 15
Performed 2 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 288 place count 9 transition count 12
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 289 place count 8 transition count 11
Applied a total of 289 rules in 13 ms. Remains 8 /168 variables (removed 160) and now considering 11/174 (removed 163) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16598074111165066173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2861606916935650869.kers'
[2026-05-25 16:11:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16598074111165066173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2861606916935650869.kers]
Normalized transition count is 10 out of 11 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 8 cols 24 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-25 16:11:28] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2861606916935650869.kers
Total runtime 0 ms.
[2026-05-25 16:11:28] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 16:11:28] [INFO ] Invariant cache hit.
[2026-05-25 16:11:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:11:28] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-25 16:11:28] [INFO ] Redundant transitions in 10 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-25 16:11:28] [INFO ] Invariant cache hit.
[2026-05-25 16:11:28] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1/19 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/19 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/19 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 91 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 10/16 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 1/19 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/19 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/19 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 111 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 216ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/168 places, 11/174 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 290 ms. Remains : 8/168 places, 11/174 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 42 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-12
Stuttering criterion allowed to conclude after 8 steps with 3 reset in 0 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-12 finished in 357 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(F((p0&&F(p1))))))'
Support contains 2 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 157 transition count 163
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 157 transition count 163
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 25 place count 157 transition count 160
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 27 place count 155 transition count 158
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 155 transition count 158
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 30 place count 155 transition count 157
Applied a total of 30 rules in 5 ms. Remains 155 /168 variables (removed 13) and now considering 157/174 (removed 17) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8624528538742722778.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16285666154185854248.kers'
[2026-05-25 16:11:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8624528538742722778.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16285666154185854248.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 157 rows 155 cols 395 entries
Finished phase 1 with 145 SingleSign rule and 1 generalized
[2026-05-25 16:11:29] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16285666154185854248.kers
Total runtime 0 ms.
[2026-05-25 16:11:29] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-25 16:11:29] [INFO ] Invariant cache hit.
[2026-05-25 16:11:29] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
Running 156 sub problems to find dead transitions.
[2026-05-25 16:11:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (OVERLAPS) 157/311 variables, 154/163 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 4 (OVERLAPS) 1/312 variables, 1/164 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/312 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (OVERLAPS) 0/312 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Real declared 312/312 variables, and 164 constraints, problems are : Problem set: 0 solved, 156 unsolved in 7353 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 155/155 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 156 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 2 (OVERLAPS) 157/311 variables, 154/163 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 156/319 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 5 (OVERLAPS) 1/312 variables, 1/320 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/312 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 156 unsolved
At refinement iteration 7 (OVERLAPS) 0/312 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 156 unsolved
No progress, stopping.
After SMT solving in domain Int declared 312/312 variables, and 320 constraints, problems are : Problem set: 0 solved, 156 unsolved in 9111 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 155/155 constraints, PredecessorRefiner: 156/156 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16490ms problems are : Problem set: 0 solved, 156 unsolved
Search for dead transitions found 0 dead transitions in 16490ms
Starting structural reductions in LTL mode, iteration 1 : 155/168 places, 157/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16717 ms. Remains : 155/168 places, 157/174 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(p1))))))'
Stuttering acceptance computed with spot in 158 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 91 ms.
Product exploration explored 100000 steps with 33333 reset in 83 ms.
Computed a total of 29 stabilizing places and 29 stable transitions
Graph (complete) has 238 edges and 155 vertex of which 143 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.2 ms
Computed a total of 29 stabilizing places and 29 stable transitions
Detected a total of 29/155 stabilizing places and 29/157 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 5 factoid took 14 ms. Proved property starting from automaton with 4 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-13 finished in 17100 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((G(!p0) U X(X(p1)))))'
Support contains 2 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 156 transition count 162
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 156 transition count 162
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 27 place count 156 transition count 159
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 154 transition count 157
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 154 transition count 157
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 32 place count 154 transition count 156
Applied a total of 32 rules in 11 ms. Remains 154 /168 variables (removed 14) and now considering 156/174 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14322609232516158201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9995554137123223086.kers'
[2026-05-25 16:11:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14322609232516158201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9995554137123223086.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 156 rows 154 cols 393 entries
Finished phase 1 with 144 SingleSign rule and 1 generalized
[2026-05-25 16:11:46] [INFO ] Computed 9 invariants in 1 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9995554137123223086.kers
Total runtime 2 ms.
[2026-05-25 16:11:46] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-25 16:11:46] [INFO ] Invariant cache hit.
[2026-05-25 16:11:46] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
Running 155 sub problems to find dead transitions.
[2026-05-25 16:11:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (OVERLAPS) 156/309 variables, 153/162 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/309 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (OVERLAPS) 1/310 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (OVERLAPS) 0/310 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Real declared 310/310 variables, and 163 constraints, problems are : Problem set: 0 solved, 155 unsolved in 7254 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 155 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/153 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/153 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (OVERLAPS) 156/309 variables, 153/162 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/309 variables, 155/317 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/309 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (OVERLAPS) 1/310 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (OVERLAPS) 0/310 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 155 unsolved
No progress, stopping.
After SMT solving in domain Int declared 310/310 variables, and 318 constraints, problems are : Problem set: 0 solved, 155 unsolved in 8950 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 155/155 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16213ms problems are : Problem set: 0 solved, 155 unsolved
Search for dead transitions found 0 dead transitions in 16213ms
Starting structural reductions in LTL mode, iteration 1 : 154/168 places, 156/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16464 ms. Remains : 154/168 places, 156/174 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((G(!p0) U X(X(p1)))))'
Stuttering acceptance computed with spot in 274 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), p0]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-14 finished in 16786 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)&&F((p1&&X((p1 U (p2||G(p1))))))))'
Support contains 3 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 174/174 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 156 transition count 162
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 156 transition count 162
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 27 place count 156 transition count 159
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 30 place count 153 transition count 156
Iterating global reduction 1 with 3 rules applied. Total rules applied 33 place count 153 transition count 156
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 34 place count 153 transition count 155
Applied a total of 34 rules in 12 ms. Remains 153 /168 variables (removed 15) and now considering 155/174 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10751609766576154544.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17159125861791163746.kers'
[2026-05-25 16:12:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10751609766576154544.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17159125861791163746.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 155 rows 153 cols 391 entries
Finished phase 1 with 143 SingleSign rule and 1 generalized
[2026-05-25 16:12:02] [INFO ] Computed 9 invariants in 2 ms
Computed 9 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17159125861791163746.kers
Total runtime 2 ms.
[2026-05-25 16:12:03] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-25 16:12:03] [INFO ] Invariant cache hit.
[2026-05-25 16:12:03] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Running 154 sub problems to find dead transitions.
[2026-05-25 16:12:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 2 (OVERLAPS) 155/307 variables, 152/161 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 4 (OVERLAPS) 1/308 variables, 1/162 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/308 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 6 (OVERLAPS) 0/308 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 154 unsolved
No progress, stopping.
After SMT solving in domain Real declared 308/308 variables, and 162 constraints, problems are : Problem set: 0 solved, 154 unsolved in 7394 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 154/154 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 154 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 2 (OVERLAPS) 155/307 variables, 152/161 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/307 variables, 154/315 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/307 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 5 (OVERLAPS) 1/308 variables, 1/316 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/308 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 154 unsolved
At refinement iteration 7 (OVERLAPS) 0/308 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 154 unsolved
No progress, stopping.
After SMT solving in domain Int declared 308/308 variables, and 316 constraints, problems are : Problem set: 0 solved, 154 unsolved in 9619 ms.
Refiners :[Generalized P Invariants (flows): 9/9 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 154/154 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17024ms problems are : Problem set: 0 solved, 154 unsolved
Search for dead transitions found 0 dead transitions in 17024ms
Starting structural reductions in LTL mode, iteration 1 : 153/168 places, 155/174 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17201 ms. Remains : 153/168 places, 155/174 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)&&F((p1&&X((p1 U (p2||G(p1))))))))'
Stuttering acceptance computed with spot in 168 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-08b-LTLFireability-15
Product exploration explored 100000 steps with 16392 reset in 75 ms.
Product exploration explored 100000 steps with 16313 reset in 131 ms.
Computed a total of 28 stabilizing places and 28 stable transitions
Graph (complete) has 236 edges and 153 vertex of which 141 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.2 ms
Computed a total of 28 stabilizing places and 28 stable transitions
Detected a total of 28/153 stabilizing places and 28/155 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/3 atomic propositions.
Knowledge based reduction with 13 factoid took 76 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 41 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge based reduction with 13 factoid took 76 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 90 ms :[(NOT p0), (NOT p0)]
[2026-05-25 16:12:20] [INFO ] Invariant cache hit.
[2026-05-25 16:12:20] [INFO ] [Real]Absence check using 0 positive and 9 generalized place invariants in 3 ms returned sat
[2026-05-25 16:12:20] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-25 16:12:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:12:21] [INFO ] [Nat]Absence check using 0 positive and 9 generalized place invariants in 3 ms returned sat
[2026-05-25 16:12:21] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-25 16:12:21] [INFO ] Computed and/alt/rep : 154/238/154 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 16:12:21] [INFO ] Added : 108 causal constraints over 22 iterations in 319 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 893 ms.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 153 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 155/155 transitions.
Graph (trivial) has 124 edges and 153 vertex of which 6 / 153 are part of one of the 1 SCC in 1 ms
Free SCC test removed 5 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 230 edges and 148 vertex of which 136 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.3 ms
Discarding 12 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 66 place count 135 transition count 81
Reduce places removed 64 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 65 rules applied. Total rules applied 131 place count 71 transition count 80
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 132 place count 70 transition count 80
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 132 place count 70 transition count 60
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 172 place count 50 transition count 60
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 43 transition count 53
Iterating global reduction 3 with 7 rules applied. Total rules applied 186 place count 43 transition count 53
Performed 24 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 234 place count 19 transition count 28
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 241 place count 12 transition count 14
Iterating global reduction 3 with 7 rules applied. Total rules applied 248 place count 12 transition count 14
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 250 place count 10 transition count 12
Applied a total of 250 rules in 20 ms. Remains 10 /153 variables (removed 143) and now considering 12/155 (removed 143) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7072844760838925860.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9057463488090795292.kers'
[2026-05-25 16:12:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7072844760838925860.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9057463488090795292.kers]
Normalized transition count is 11 out of 12 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 11 rows 10 cols 28 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-25 16:12:21] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9057463488090795292.kers
Total runtime 1 ms.
[2026-05-25 16:12:21] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 16:12:21] [INFO ] Invariant cache hit.
[2026-05-25 16:12:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:12:21] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2026-05-25 16:12:21] [INFO ] Redundant transitions in 12 ms returned []
Running 8 sub problems to find dead transitions.
[2026-05-25 16:12:21] [INFO ] Invariant cache hit.
[2026-05-25 16:12:21] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 11/19 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/21 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1/22 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 11 constraints, problems are : Problem set: 0 solved, 8 unsolved in 97 ms.
Refiners :[State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 11/19 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 2/21 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 1/22 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 19 constraints, problems are : Problem set: 0 solved, 8 unsolved in 95 ms.
Refiners :[State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 195ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 195ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/153 places, 12/155 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 277 ms. Remains : 10/153 places, 12/155 transitions.
Computed a total of 6 stabilizing places and 7 stable transitions
Computed a total of 6 stabilizing places and 7 stable transitions
Detected a total of 6/10 stabilizing places and 7/12 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge based reduction with 2 factoid took 116 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 8 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 121 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 85 ms :[(NOT p0), (NOT p0)]
[2026-05-25 16:12:22] [INFO ] Invariant cache hit.
[2026-05-25 16:12:22] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 16:12:22] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:12:22] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2026-05-25 16:12:22] [INFO ] Computed and/alt/rep : 8/11/8 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 16:12:22] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 359 ms.
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering criterion allowed to conclude after 7 steps with 2 reset in 1 ms.
FORMULA GPUForwardProgress-PT-08b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-08b-LTLFireability-15 finished in 19435 ms.
All properties solved by simple procedures.
Total runtime 166478 ms.

BK_STOP 1779725542391

--------------------
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="GPUForwardProgress-PT-08b"
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 GPUForwardProgress-PT-08b, 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 r146-tall-177961074200404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-08b.tgz
mv GPUForwardProgress-PT-08b 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 ;