fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r146-tall-177961074200428
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for GPUForwardProgress-PT-16a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
348.415 58808.00 73262.00 4903.50 FFFFFFFFFFFFFFTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r146-tall-177961074200428.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-16a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200428
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 6.4K Mar 7 11:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 11:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 11:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 7 11:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 11:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 7 11:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 11:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Mar 7 11:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:36 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 26K 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-16a-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-16a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779726554007

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-16a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 16:29:15] [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 16:29:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:29:15] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-05-25 16:29:15] [INFO ] Transformed 72 places.
[2026-05-25 16:29:15] [INFO ] Transformed 89 transitions.
[2026-05-25 16:29:15] [INFO ] Found NUPN structural information;
[2026-05-25 16:29:15] [INFO ] Parsed PT model containing 72 places and 89 transitions and 341 arcs in 153 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 18 transitions
Reduce redundant transitions removed 18 transitions.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-16a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-16a-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 71/71 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 71 transition count 71
Applied a total of 1 rules in 28 ms. Remains 71 /72 variables (removed 1) and now considering 71/71 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8679686102070174318.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16403171105734590353.kers'
[2026-05-25 16:29:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8679686102070174318.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16403171105734590353.kers]
Normalized transition count is 70 out of 71 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 70 rows 71 cols 269 entries
Finished phase 1 with 53 SingleSign rule and 1 generalized
[2026-05-25 16:29:15] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16403171105734590353.kers
Total runtime 2 ms.
[2026-05-25 16:29:15] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-25 16:29:15] [INFO ] Invariant cache hit.
[2026-05-25 16:29:15] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:15] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 391 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2026-05-25 16:29:15] [INFO ] Invariant cache hit.
[2026-05-25 16:29:15] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 1/141 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (OVERLAPS) 1/142 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (OVERLAPS) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 176 constraints, problems are : Problem set: 0 solved, 70 unsolved in 2508 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 70/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 1/141 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (OVERLAPS) 1/142 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (OVERLAPS) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 246 constraints, problems are : Problem set: 0 solved, 70 unsolved in 8929 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11508ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 11520ms
Starting structural reductions in LTL mode, iteration 1 : 71/72 places, 71/71 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11970 ms. Remains : 71/72 places, 71/71 transitions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
[2026-05-25 16:29:27] [INFO ] Invariant cache hit.
[2026-05-25 16:29:27] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 16:29:27] [INFO ] Invariant cache hit.
[2026-05-25 16:29:27] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:27] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 133 ms. Remains : 71/71 places, 71/71 transitions.
Support contains 32 out of 71 places after structural reductions.
[2026-05-25 16:29:27] [INFO ] Flatten gal took : 23 ms
[2026-05-25 16:29:27] [INFO ] Flatten gal took : 8 ms
[2026-05-25 16:29:27] [INFO ] Input system was already deterministic with 71 transitions.
Reduction of identical properties reduced properties to check from 33 to 31
RANDOM walk for 3487 steps (10 resets) in 155 ms. (22 steps per ms) remains 0/31 properties
FORMULA GPUForwardProgress-PT-16a-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA GPUForwardProgress-PT-16a-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 224 edges and 71 vertex of which 54 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.6 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 1 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
[2026-05-25 16:29:28] [INFO ] Invariant cache hit.
[2026-05-25 16:29:28] [INFO ] Implicit Places using invariants in 60 ms returned []
[2026-05-25 16:29:28] [INFO ] Invariant cache hit.
[2026-05-25 16:29:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:28] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Stuttering acceptance computed with spot in 362 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-00
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 3 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-00 finished in 589 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Graph (complete) has 224 edges and 71 vertex of which 54 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.2 ms
Discarding 17 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 15 Pre rules applied. Total rules applied 1 place count 54 transition count 55
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 31 place count 39 transition count 55
Applied a total of 31 rules in 20 ms. Remains 39 /71 variables (removed 32) and now considering 55/71 (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-8168537363721373319.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16584826647112157539.kers'
[2026-05-25 16:29:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8168537363721373319.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16584826647112157539.kers]
Normalized transition count is 54 out of 55 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 54 rows 39 cols 205 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-25 16:29:28] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16584826647112157539.kers
Total runtime 0 ms.
[2026-05-25 16:29:28] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 16:29:28] [INFO ] Invariant cache hit.
[2026-05-25 16:29:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:28] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2026-05-25 16:29:28] [INFO ] Redundant transitions in 1 ms returned []
Running 54 sub problems to find dead transitions.
[2026-05-25 16:29:28] [INFO ] Invariant cache hit.
[2026-05-25 16:29:28] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/92 variables, 38/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 16/93 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 1/93 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/93 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 1/94 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/94 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (OVERLAPS) 0/94 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 96 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1339 ms.
Refiners :[Domain max(s): 39/39 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 39/39 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/92 variables, 38/77 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 16/93 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 54/147 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 1/93 variables, 1/148 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/93 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 1/94 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/94 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/94 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 94/94 variables, and 150 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2860 ms.
Refiners :[Domain max(s): 39/39 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 39/39 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4235ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 4236ms
Starting structural reductions in SI_LTL mode, iteration 1 : 39/71 places, 55/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4347 ms. Remains : 39/71 places, 55/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-02
Stuttering criterion allowed to conclude after 123 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-02 finished in 4468 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&&(F(p1) U p2)) U G(p3)) U p4))'
Support contains 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Graph (complete) has 224 edges and 71 vertex of which 54 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.1 ms
Discarding 17 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 13 Pre rules applied. Total rules applied 1 place count 54 transition count 57
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 26 rules applied. Total rules applied 27 place count 41 transition count 57
Applied a total of 27 rules in 11 ms. Remains 41 /71 variables (removed 30) and now considering 57/71 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16175292744819749747.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4695484935892401473.kers'
[2026-05-25 16:29:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16175292744819749747.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4695484935892401473.kers]
Normalized transition count is 56 out of 57 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 56 rows 41 cols 209 entries
Finished phase 1 with 39 SingleSign rule and 1 generalized
[2026-05-25 16:29:33] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4695484935892401473.kers
Total runtime 0 ms.
[2026-05-25 16:29:33] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 16:29:33] [INFO ] Invariant cache hit.
[2026-05-25 16:29:33] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:33] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
[2026-05-25 16:29:33] [INFO ] Redundant transitions in 0 ms returned []
Running 56 sub problems to find dead transitions.
[2026-05-25 16:29:33] [INFO ] Invariant cache hit.
[2026-05-25 16:29:33] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 56/96 variables, 40/81 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 16/97 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (OVERLAPS) 1/97 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 9 (OVERLAPS) 1/98 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 11 (OVERLAPS) 0/98 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 98/98 variables, and 100 constraints, problems are : Problem set: 0 solved, 56 unsolved in 1332 ms.
Refiners :[Domain max(s): 41/41 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 56 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 56/96 variables, 40/81 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 16/97 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/96 variables, 56/153 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 7 (OVERLAPS) 1/97 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/97 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 10 (OVERLAPS) 1/98 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 12 (OVERLAPS) 0/98 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Int declared 98/98 variables, and 156 constraints, problems are : Problem set: 0 solved, 56 unsolved in 2620 ms.
Refiners :[Domain max(s): 41/41 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 41/41 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3968ms problems are : Problem set: 0 solved, 56 unsolved
Search for dead transitions found 0 dead transitions in 3969ms
Starting structural reductions in SI_LTL mode, iteration 1 : 41/71 places, 57/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4065 ms. Remains : 41/71 places, 57/71 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&&(F(p1) U p2)) U G(p3)) U p4))'
Stuttering acceptance computed with spot in 295 ms :[(NOT p4), true, (NOT p1), (NOT p2), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 140 steps with 1 reset in 3 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-03 finished in 4415 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G((p1 U !(p2 U p3)))||(p2 U X(p3)))))'
Support contains 6 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14139798350306841818.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2382813746437088839.kers'
[2026-05-25 16:29:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14139798350306841818.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2382813746437088839.kers]
Normalized transition count is 70 out of 71 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 70 rows 71 cols 269 entries
Finished phase 1 with 53 SingleSign rule and 1 generalized
[2026-05-25 16:29:37] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2382813746437088839.kers
Total runtime 0 ms.
[2026-05-25 16:29:37] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-25 16:29:37] [INFO ] Invariant cache hit.
[2026-05-25 16:29:37] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:37] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2026-05-25 16:29:37] [INFO ] Invariant cache hit.
[2026-05-25 16:29:37] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 1/141 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (OVERLAPS) 1/142 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (OVERLAPS) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 176 constraints, problems are : Problem set: 0 solved, 70 unsolved in 2160 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 70/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 1/141 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (OVERLAPS) 1/142 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (OVERLAPS) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 246 constraints, problems are : Problem set: 0 solved, 70 unsolved in 6101 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8278ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 8280ms
Finished structural reductions in LTL mode , in 1 iterations and 8424 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&(G((p1 U !(p2 U p3)))||(p2 U X(p3)))))'
Stuttering acceptance computed with spot in 376 ms :[(NOT p0), (NOT p0), (NOT p3), false, false, (NOT p3), true, p3, p3, p3]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-04 finished in 8840 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))&&(p1||X(p0)))))'
Support contains 2 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
[2026-05-25 16:29:46] [INFO ] Invariant cache hit.
[2026-05-25 16:29:46] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-25 16:29:46] [INFO ] Invariant cache hit.
[2026-05-25 16:29:46] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:46] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))&&(X(p0)||p1))))'
Stuttering acceptance computed with spot in 156 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-05 finished in 326 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||F(p2))) U p3)&&X(F(p1))))'
Support contains 4 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
[2026-05-25 16:29:46] [INFO ] Invariant cache hit.
[2026-05-25 16:29:46] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-25 16:29:46] [INFO ] Invariant cache hit.
[2026-05-25 16:29:47] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:47] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 153 ms. Remains : 71/71 places, 71/71 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||F(p2))) U p3)&&X(F(p1))))'
Stuttering acceptance computed with spot in 253 ms :[(OR (NOT p3) (NOT p1)), (NOT p2), (NOT p3), (NOT p1), (AND (NOT p2) p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-06
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-06 finished in 450 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U X(((G(F(p2))&&p1) U X(X(X(p3))))))))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
[2026-05-25 16:29:47] [INFO ] Invariant cache hit.
[2026-05-25 16:29:47] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-25 16:29:47] [INFO ] Invariant cache hit.
[2026-05-25 16:29:47] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:47] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U X(((G(F(p2))&&p1) U X(X(X(p3))))))))'
Stuttering acceptance computed with spot in 1072 ms :[(NOT p3), (NOT p3), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-07
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-07 finished in 1287 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Graph (complete) has 224 edges and 71 vertex of which 54 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.1 ms
Discarding 17 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 13 Pre rules applied. Total rules applied 1 place count 53 transition count 56
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 26 rules applied. Total rules applied 27 place count 40 transition count 56
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 29 place count 39 transition count 55
Applied a total of 29 rules in 9 ms. Remains 39 /71 variables (removed 32) and now considering 55/71 (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-18013067788895055449.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7284159696455169978.kers'
[2026-05-25 16:29:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18013067788895055449.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7284159696455169978.kers]
Normalized transition count is 54 out of 55 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 54 rows 39 cols 156 entries
Finished phase 1 with 37 SingleSign rule and 1 generalized
[2026-05-25 16:29:48] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7284159696455169978.kers
Total runtime 0 ms.
[2026-05-25 16:29:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 16:29:48] [INFO ] Invariant cache hit.
[2026-05-25 16:29:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:29:48] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2026-05-25 16:29:48] [INFO ] Redundant transitions in 0 ms returned []
Running 39 sub problems to find dead transitions.
[2026-05-25 16:29:48] [INFO ] Invariant cache hit.
[2026-05-25 16:29:48] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 54/77 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 16/93 variables, 16/63 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 16/79 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 1/94 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/94 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (OVERLAPS) 0/94 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 94/94 variables, and 80 constraints, problems are : Problem set: 0 solved, 39 unsolved in 818 ms.
Refiners :[Domain max(s): 39/39 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 39/39 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 54/77 variables, 23/47 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 16/93 variables, 16/70 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/93 variables, 16/86 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/93 variables, 32/118 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 10 (OVERLAPS) 1/94 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/94 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 12 (OVERLAPS) 0/94 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 94/94 variables, and 119 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1120 ms.
Refiners :[Domain max(s): 39/39 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 39/39 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1946ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 1947ms
Starting structural reductions in SI_LTL mode, iteration 1 : 39/71 places, 55/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2040 ms. Remains : 39/71 places, 55/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-08 finished in 2149 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(X(G(p0))))))))'
Support contains 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9454477333412823725.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8078272272172430328.kers'
[2026-05-25 16:29:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9454477333412823725.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8078272272172430328.kers]
Normalized transition count is 70 out of 71 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 70 rows 71 cols 269 entries
Finished phase 1 with 53 SingleSign rule and 1 generalized
[2026-05-25 16:29:50] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8078272272172430328.kers
Total runtime 1 ms.
[2026-05-25 16:29:50] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-25 16:29:50] [INFO ] Invariant cache hit.
[2026-05-25 16:29:50] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:50] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2026-05-25 16:29:50] [INFO ] Invariant cache hit.
[2026-05-25 16:29:50] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 1/141 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (OVERLAPS) 1/142 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (OVERLAPS) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 176 constraints, problems are : Problem set: 0 solved, 70 unsolved in 2243 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 70/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 1/141 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (OVERLAPS) 1/142 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (OVERLAPS) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 246 constraints, problems are : Problem set: 0 solved, 70 unsolved in 5964 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8220ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 8221ms
Finished structural reductions in LTL mode , in 1 iterations and 8368 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(X(G(p0))))))))'
Stuttering acceptance computed with spot in 299 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-11 finished in 8695 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 3 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Graph (complete) has 224 edges and 71 vertex of which 54 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.1 ms
Discarding 17 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 1 place count 54 transition count 54
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 33 place count 38 transition count 54
Applied a total of 33 rules in 8 ms. Remains 38 /71 variables (removed 33) and now considering 54/71 (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-11300145343745004293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6713757796780874848.kers'
[2026-05-25 16:29:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11300145343745004293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6713757796780874848.kers]
Normalized transition count is 53 out of 54 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 53 rows 38 cols 203 entries
Finished phase 1 with 36 SingleSign rule and 1 generalized
[2026-05-25 16:29:59] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6713757796780874848.kers
Total runtime 0 ms.
[2026-05-25 16:29:59] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 16:29:59] [INFO ] Invariant cache hit.
[2026-05-25 16:29:59] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:29:59] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-25 16:29:59] [INFO ] Redundant transitions in 1 ms returned []
Running 53 sub problems to find dead transitions.
[2026-05-25 16:29:59] [INFO ] Invariant cache hit.
[2026-05-25 16:29:59] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (OVERLAPS) 53/90 variables, 37/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 16/91 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 1/91 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/91 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (OVERLAPS) 1/92 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (OVERLAPS) 0/92 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 94 constraints, problems are : Problem set: 0 solved, 53 unsolved in 1282 ms.
Refiners :[Domain max(s): 38/38 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 38/38 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (OVERLAPS) 53/90 variables, 37/75 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 16/91 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/90 variables, 53/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/90 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (OVERLAPS) 1/91 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/91 variables, 1/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/91 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 1/92 variables, 1/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (OVERLAPS) 0/92 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 147 constraints, problems are : Problem set: 0 solved, 53 unsolved in 2473 ms.
Refiners :[Domain max(s): 38/38 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 38/38 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3768ms problems are : Problem set: 0 solved, 53 unsolved
Search for dead transitions found 0 dead transitions in 3768ms
Starting structural reductions in SI_LTL mode, iteration 1 : 38/71 places, 54/71 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3860 ms. Remains : 38/71 places, 54/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-12
Product exploration explored 100000 steps with 304 reset in 281 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-12 finished in 4204 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p1)) U X((p2||X(!p0))))))'
Support contains 5 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 71/71 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 71/71 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16432550252610015855.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7898910504071471094.kers'
[2026-05-25 16:30:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16432550252610015855.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7898910504071471094.kers]
Normalized transition count is 70 out of 71 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 70 rows 71 cols 269 entries
Finished phase 1 with 53 SingleSign rule and 1 generalized
[2026-05-25 16:30:03] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7898910504071471094.kers
Total runtime 1 ms.
[2026-05-25 16:30:03] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-25 16:30:03] [INFO ] Invariant cache hit.
[2026-05-25 16:30:03] [INFO ] State equation strengthened by 17 read => feed constraints.
[2026-05-25 16:30:03] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Running 70 sub problems to find dead transitions.
[2026-05-25 16:30:03] [INFO ] Invariant cache hit.
[2026-05-25 16:30:03] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 1/141 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (OVERLAPS) 1/142 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (OVERLAPS) 0/142 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 142/142 variables, and 176 constraints, problems are : Problem set: 0 solved, 70 unsolved in 2230 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 70/140 variables, 70/157 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 16/173 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 70/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 1/141 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 10 (OVERLAPS) 1/142 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 12 (OVERLAPS) 0/142 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 142/142 variables, and 246 constraints, problems are : Problem set: 0 solved, 70 unsolved in 6155 ms.
Refiners :[Domain max(s): 71/71 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8403ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 8404ms
Finished structural reductions in LTL mode , in 1 iterations and 8548 ms. Remains : 71/71 places, 71/71 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p1)) U X((X(!p0)||p2)))))'
Stuttering acceptance computed with spot in 511 ms :[(OR (NOT p1) (AND p0 (NOT p2))), (AND p0 (NOT p2)), (NOT p1), (NOT p1), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (AND p0 (NOT p2)), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), (OR (AND p0 (NOT p2)) (AND p0 (NOT p1))), (AND p0 (NOT p2)), true, p0]
Running random walk in product with property : GPUForwardProgress-PT-16a-LTLFireability-15
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-16a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-16a-LTLFireability-15 finished in 9109 ms.
All properties solved by simple procedures.
Total runtime 57610 ms.

BK_STOP 1779726612815

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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-16a"
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-16a, 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-177961074200428"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-16a.tgz
mv GPUForwardProgress-PT-16a 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 ;