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-177961074200412.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-12a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.1K Mar 7 11:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 11:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 11:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 11:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 10:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 11:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 183K Mar 7 11:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 11:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 7 11:30 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 20K 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-12a-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-12a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779725516841

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-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 16:11:58] [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 16:11:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:11:58] [INFO ] Load time of PNML (sax parser for PT used): 45 ms
[2026-05-25 16:11:58] [INFO ] Transformed 56 places.
[2026-05-25 16:11:58] [INFO ] Transformed 69 transitions.
[2026-05-25 16:11:58] [INFO ] Found NUPN structural information;
[2026-05-25 16:11:58] [INFO ] Parsed PT model containing 56 places and 69 transitions and 261 arcs in 134 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-12a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 55/55 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 55 transition count 55
Applied a total of 1 rules in 25 ms. Remains 55 /56 variables (removed 1) and now considering 55/55 (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-15984242588739917202.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16305036560496562123.kers'
[2026-05-25 16:11:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15984242588739917202.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16305036560496562123.kers]
Normalized transition count is 54 out of 55 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 54 rows 55 cols 205 entries
Finished phase 1 with 41 SingleSign rule and 1 generalized
[2026-05-25 16:11:58] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16305036560496562123.kers
Total runtime 1 ms.
[2026-05-25 16:11:58] [INFO ] Implicit Places using invariants in 222 ms returned []
[2026-05-25 16:11:58] [INFO ] Invariant cache hit.
[2026-05-25 16:11:58] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:11:58] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2026-05-25 16:11:58] [INFO ] Invariant cache hit.
[2026-05-25 16:11:58] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 1/109 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 1/110 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (OVERLAPS) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 136 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1714 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 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) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 54/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 1/109 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 1/110 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/110 variables, and 190 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3694 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5471ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 5485ms
Starting structural reductions in LTL mode, iteration 1 : 55/56 places, 55/55 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5884 ms. Remains : 55/56 places, 55/55 transitions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:04] [INFO ] Invariant cache hit.
[2026-05-25 16:12:04] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-25 16:12:04] [INFO ] Invariant cache hit.
[2026-05-25 16:12:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:04] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 118 ms. Remains : 55/55 places, 55/55 transitions.
Support contains 28 out of 55 places after structural reductions.
[2026-05-25 16:12:04] [INFO ] Flatten gal took : 22 ms
[2026-05-25 16:12:04] [INFO ] Flatten gal took : 10 ms
[2026-05-25 16:12:04] [INFO ] Input system was already deterministic with 55 transitions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 1193 steps (9 resets) in 107 ms. (11 steps per ms) remains 0/31 properties
FORMULA GPUForwardProgress-PT-12a-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.4 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)) U p1)))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:05] [INFO ] Invariant cache hit.
[2026-05-25 16:12:05] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-25 16:12:05] [INFO ] Invariant cache hit.
[2026-05-25 16:12:05] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:05] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 110 ms. Remains : 55/55 places, 55/55 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)) U p1)))'
Stuttering acceptance computed with spot in 235 ms :[(NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-00
Product exploration explored 100000 steps with 50000 reset in 268 ms.
Product exploration explored 100000 steps with 50000 reset in 183 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.0 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 4 factoid took 12 ms. Proved property starting from automaton with 3 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 17 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-00 finished in 891 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))&&(X(X(p1))||F(p2)))))'
Support contains 5 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:06] [INFO ] Invariant cache hit.
[2026-05-25 16:12:06] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-25 16:12:06] [INFO ] Invariant cache hit.
[2026-05-25 16:12:06] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:06] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 108 ms. Remains : 55/55 places, 55/55 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))&&(X(X(p1))||F(p2)))))'
Stuttering acceptance computed with spot in 286 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-01
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-01 finished in 426 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)||X((G((X(p2)||F(p3)))&&p1)))))'
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:06] [INFO ] Invariant cache hit.
[2026-05-25 16:12:06] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-25 16:12:06] [INFO ] Invariant cache hit.
[2026-05-25 16:12:06] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:06] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 127 ms. Remains : 55/55 places, 55/55 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)||X((G((X(p2)||F(p3)))&&p1)))))'
Stuttering acceptance computed with spot in 292 ms :[(OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3) (NOT p2)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-03
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-03 finished in 469 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&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1))))))) U (X(G((p0&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1))))))))||(!p1&&X((p0&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1)))))))))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:07] [INFO ] Invariant cache hit.
[2026-05-25 16:12:07] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-25 16:12:07] [INFO ] Invariant cache hit.
[2026-05-25 16:12:07] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:07] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 55/55 places, 55/55 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&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1))))))) U (X(G((p0&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1))))))))||(!p1&&X((p0&&X((X(!p1) U ((!p1&&X(!p1))||X(G(!p1)))))))))))'
Stuttering acceptance computed with spot in 421 ms :[p1, (OR (NOT p0) p1), p1, true, (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), (OR (NOT p0) p1), p1]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-04
Product exploration explored 100000 steps with 25000 reset in 256 ms.
Product exploration explored 100000 steps with 25000 reset in 189 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.0 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 9 factoid took 61 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge based reduction with 9 factoid took 70 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 186 ms :[p1, p1, p1, p1, true]
Knowledge-based reduction took 334 ms.
Stuttering acceptance computed with spot in 195 ms :[p1, p1, p1, p1, true]
Support contains 3 out of 55 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:08] [INFO ] Invariant cache hit.
[2026-05-25 16:12:08] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-25 16:12:08] [INFO ] Invariant cache hit.
[2026-05-25 16:12:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:08] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 55/55 places, 55/55 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 1 factoid took 51 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 73 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[p1, p1, p1, p1, true]
Knowledge-based reduction took 334 ms.
Stuttering acceptance computed with spot in 179 ms :[p1, p1, p1, p1, true]
Stuttering acceptance computed with spot in 176 ms :[p1, p1, p1, p1, true]
Product exploration explored 100000 steps with 25000 reset in 132 ms.
Product exploration explored 100000 steps with 25000 reset in 133 ms.
Spot run failed in 74 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin17647024988356595685
[2026-05-25 16:12:09] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17647024988356595685
Running compilation step : cd /tmp/ltsmin17647024988356595685;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 249 ms.
Running link step : cd /tmp/ltsmin17647024988356595685;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 43 ms.
Running LTSmin : cd /tmp/ltsmin17647024988356595685;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased10740397027792212293.hoa' '--buchi-type=spotba'
LTSmin run took 39 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-04 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-04 finished in 3108 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(X(X(!p0)))) U G(!p1))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:10] [INFO ] Invariant cache hit.
[2026-05-25 16:12:10] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-25 16:12:10] [INFO ] Invariant cache hit.
[2026-05-25 16:12:10] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:10] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 113 ms. Remains : 55/55 places, 55/55 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(X(X(!p0)))) U G(!p1))))'
Stuttering acceptance computed with spot in 772 ms :[p1, p1, p0, (AND p0 p1), (AND p1 p0), p0, p0, p0, true, (AND p0 p1), (AND p1 p0), (AND p1 p0), p0, p0, (AND p1 p0), p0, p0, p0, p1]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 72 steps with 11 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-05 finished in 935 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)&&F(p1))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.2 ms
Discarding 13 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 1 place count 42 transition count 44
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 21 place count 32 transition count 44
Applied a total of 21 rules in 19 ms. Remains 32 /55 variables (removed 23) and now considering 44/55 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8530374908128192012.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8517627361117574124.kers'
[2026-05-25 16:12:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8530374908128192012.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8517627361117574124.kers]
Normalized transition count is 43 out of 44 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 32 cols 159 entries
Finished phase 1 with 30 SingleSign rule and 1 generalized
[2026-05-25 16:12:11] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8517627361117574124.kers
Total runtime 0 ms.
[2026-05-25 16:12:11] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 16:12:11] [INFO ] Invariant cache hit.
[2026-05-25 16:12:11] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:11] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2026-05-25 16:12:11] [INFO ] Redundant transitions in 1 ms returned []
Running 43 sub problems to find dead transitions.
[2026-05-25 16:12:11] [INFO ] Invariant cache hit.
[2026-05-25 16:12:11] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 43/74 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (OVERLAPS) 1/75 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 1/76 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/76 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 0/76 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 78 constraints, problems are : Problem set: 0 solved, 43 unsolved in 901 ms.
Refiners :[Domain max(s): 32/32 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 43/74 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 43/118 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 1/75 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 1/76 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/76 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (OVERLAPS) 0/76 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 121 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1701 ms.
Refiners :[Domain max(s): 32/32 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2616ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2616ms
Starting structural reductions in SI_LTL mode, iteration 1 : 32/55 places, 44/55 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2711 ms. Remains : 32/55 places, 44/55 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)&&F(p1))))'
Stuttering acceptance computed with spot in 129 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-06
Stuttering criterion allowed to conclude after 69 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-06 finished in 2870 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&&(p1 U p2)&&F(p3)) U X(X(!p2))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (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-2370851105240972500.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3136245282397662056.kers'
[2026-05-25 16:12:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2370851105240972500.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3136245282397662056.kers]
Normalized transition count is 54 out of 55 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 54 rows 55 cols 205 entries
Finished phase 1 with 41 SingleSign rule and 1 generalized
[2026-05-25 16:12:13] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3136245282397662056.kers
Total runtime 0 ms.
[2026-05-25 16:12:13] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 16:12:13] [INFO ] Invariant cache hit.
[2026-05-25 16:12:14] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:14] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
Running 54 sub problems to find dead transitions.
[2026-05-25 16:12:14] [INFO ] Invariant cache hit.
[2026-05-25 16:12:14] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 1/109 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 1/110 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (OVERLAPS) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 136 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1406 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 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) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 54/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 1/109 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 1/110 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/110 variables, and 190 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3629 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5051ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 5051ms
Finished structural reductions in LTL mode , in 1 iterations and 5164 ms. Remains : 55/55 places, 55/55 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&&(p1 U p2)&&F(p3)) U X(X(!p2))))'
Stuttering acceptance computed with spot in 380 ms :[p2, p2, false, (AND p2 (NOT p3)), p2, p2, true, (AND (NOT p3) p2), p2, (AND (NOT p3) p2), p2, (NOT p3)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-08 finished in 5591 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 p1) U X((G(p2) U p3)))))'
Support contains 6 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:19] [INFO ] Invariant cache hit.
[2026-05-25 16:12:19] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-25 16:12:19] [INFO ] Invariant cache hit.
[2026-05-25 16:12:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:19] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 109 ms. Remains : 55/55 places, 55/55 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 p1) U X((G(p2) U p3)))))'
Stuttering acceptance computed with spot in 355 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), (AND (NOT p1) (NOT p2) (NOT p3)), true, (NOT p2), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-09 finished in 503 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||X(X(F((p1&&F(p2)))))))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 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 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 1 place count 41 transition count 43
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 21 place count 31 transition count 43
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 23 place count 30 transition count 42
Applied a total of 23 rules in 5 ms. Remains 30 /55 variables (removed 25) and now considering 42/55 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5249234187328335487.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14775261838545216724.kers'
[2026-05-25 16:12:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5249234187328335487.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14775261838545216724.kers]
Normalized transition count is 41 out of 42 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 41 rows 30 cols 118 entries
Finished phase 1 with 28 SingleSign rule and 1 generalized
[2026-05-25 16:12:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14775261838545216724.kers
Total runtime 1 ms.
[2026-05-25 16:12:20] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 16:12:20] [INFO ] Invariant cache hit.
[2026-05-25 16:12:20] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:12:20] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-25 16:12:20] [INFO ] Redundant transitions in 0 ms returned []
Running 30 sub problems to find dead transitions.
[2026-05-25 16:12:20] [INFO ] Invariant cache hit.
[2026-05-25 16:12:20] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 41/59 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (OVERLAPS) 12/71 variables, 12/49 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 12/61 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (OVERLAPS) 1/72 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/72 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 10 (OVERLAPS) 0/72 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 62 constraints, problems are : Problem set: 0 solved, 30 unsolved in 513 ms.
Refiners :[Domain max(s): 30/30 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 41/59 variables, 18/37 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 6/43 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 12/71 variables, 12/55 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 12/67 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 24/91 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/71 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 10 (OVERLAPS) 1/72 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/72 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 12 (OVERLAPS) 0/72 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 92 constraints, problems are : Problem set: 0 solved, 30 unsolved in 705 ms.
Refiners :[Domain max(s): 30/30 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1223ms problems are : Problem set: 0 solved, 30 unsolved
Search for dead transitions found 0 dead transitions in 1224ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/55 places, 42/55 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1300 ms. Remains : 30/55 places, 42/55 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||X(X(F((p1&&F(p2)))))))))'
Stuttering acceptance computed with spot in 120 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-10
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-10 finished in 1447 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||X(X(F(!p2)))))'
Support contains 3 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (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-6568429643909726923.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9924607680340338686.kers'
[2026-05-25 16:12:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6568429643909726923.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9924607680340338686.kers]
Normalized transition count is 54 out of 55 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 54 rows 55 cols 205 entries
Finished phase 1 with 41 SingleSign rule and 1 generalized
[2026-05-25 16:12:21] [INFO ] Computed 13 invariants in 0 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9924607680340338686.kers
Total runtime 1 ms.
[2026-05-25 16:12:21] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-25 16:12:21] [INFO ] Invariant cache hit.
[2026-05-25 16:12:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:21] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Running 54 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 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 1/109 variables, 1/134 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (OVERLAPS) 1/110 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (OVERLAPS) 0/110 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 136 constraints, problems are : Problem set: 0 solved, 54 unsolved in 1391 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 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) 0/54 variables, 54/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 13/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 54/108 variables, 54/121 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 12/133 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 54/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 7 (OVERLAPS) 1/109 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/109 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/109 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 10 (OVERLAPS) 1/110 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 12 (OVERLAPS) 0/110 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/110 variables, and 190 constraints, problems are : Problem set: 0 solved, 54 unsolved in 3555 ms.
Refiners :[Domain max(s): 55/55 constraints, Generalized P Invariants (flows): 13/13 constraints, State Equation: 55/55 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4959ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 4959ms
Finished structural reductions in LTL mode , in 1 iterations and 5065 ms. Remains : 55/55 places, 55/55 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||X(X(F(p2)))))'
Stuttering acceptance computed with spot in 211 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-11
Stuttering criterion allowed to conclude after 17 steps with 5 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-11 finished in 5299 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(G(p0)))))'
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 55/55 (removed 0) transitions.
[2026-05-25 16:12:26] [INFO ] Invariant cache hit.
[2026-05-25 16:12:26] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 16:12:26] [INFO ] Invariant cache hit.
[2026-05-25 16:12:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:26] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 105 ms. Remains : 55/55 places, 55/55 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(G(p0)))))'
Stuttering acceptance computed with spot in 158 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-12
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-12 finished in 290 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 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 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 11 Pre rules applied. Total rules applied 1 place count 41 transition count 42
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 0 with 22 rules applied. Total rules applied 23 place count 30 transition count 42
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 25 place count 29 transition count 41
Applied a total of 25 rules in 6 ms. Remains 29 /55 variables (removed 26) and now considering 41/55 (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-17088235126088069523.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13457706391833099135.kers'
[2026-05-25 16:12:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17088235126088069523.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13457706391833099135.kers]
Normalized transition count is 40 out of 41 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 40 rows 29 cols 116 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-25 16:12:27] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13457706391833099135.kers
Total runtime 0 ms.
[2026-05-25 16:12:27] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 16:12:27] [INFO ] Invariant cache hit.
[2026-05-25 16:12:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 16:12:27] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2026-05-25 16:12:27] [INFO ] Redundant transitions in 0 ms returned []
Running 29 sub problems to find dead transitions.
[2026-05-25 16:12:27] [INFO ] Invariant cache hit.
[2026-05-25 16:12:27] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 40/57 variables, 17/35 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 12/69 variables, 12/47 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 1/70 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/70 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (OVERLAPS) 0/70 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 70/70 variables, and 60 constraints, problems are : Problem set: 0 solved, 29 unsolved in 527 ms.
Refiners :[Domain max(s): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 40/57 variables, 17/35 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 5/40 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/57 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 12/69 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 12/64 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 24/88 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (OVERLAPS) 1/70 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/70 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 12 (OVERLAPS) 0/70 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 70/70 variables, and 89 constraints, problems are : Problem set: 0 solved, 29 unsolved in 672 ms.
Refiners :[Domain max(s): 29/29 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1203ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 1204ms
Starting structural reductions in SI_LTL mode, iteration 1 : 29/55 places, 41/55 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1278 ms. Remains : 29/55 places, 41/55 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 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-14 finished in 1390 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 55 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 55/55 places, 55/55 transitions.
Graph (complete) has 172 edges and 55 vertex of which 42 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 1 place count 42 transition count 44
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 21 place count 32 transition count 44
Applied a total of 21 rules in 7 ms. Remains 32 /55 variables (removed 23) and now considering 44/55 (removed 11) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10086962986955365355.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4540272215354383032.kers'
[2026-05-25 16:12:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10086962986955365355.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4540272215354383032.kers]
Normalized transition count is 43 out of 44 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 32 cols 159 entries
Finished phase 1 with 30 SingleSign rule and 1 generalized
[2026-05-25 16:12:28] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4540272215354383032.kers
Total runtime 0 ms.
[2026-05-25 16:12:28] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-25 16:12:28] [INFO ] Invariant cache hit.
[2026-05-25 16:12:28] [INFO ] State equation strengthened by 13 read => feed constraints.
[2026-05-25 16:12:28] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2026-05-25 16:12:28] [INFO ] Redundant transitions in 1 ms returned []
Running 43 sub problems to find dead transitions.
[2026-05-25 16:12:28] [INFO ] Invariant cache hit.
[2026-05-25 16:12:28] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 43/74 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (OVERLAPS) 1/75 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (OVERLAPS) 1/76 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/76 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 0/76 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 78 constraints, problems are : Problem set: 0 solved, 43 unsolved in 878 ms.
Refiners :[Domain max(s): 32/32 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 43/74 variables, 31/63 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 43/118 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (OVERLAPS) 1/75 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 1/76 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/76 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (OVERLAPS) 0/76 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 121 constraints, problems are : Problem set: 0 solved, 43 unsolved in 1632 ms.
Refiners :[Domain max(s): 32/32 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 32/32 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2516ms problems are : Problem set: 0 solved, 43 unsolved
Search for dead transitions found 0 dead transitions in 2516ms
Starting structural reductions in SI_LTL mode, iteration 1 : 32/55 places, 44/55 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2598 ms. Remains : 32/55 places, 44/55 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 123 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-12a-LTLFireability-15
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-12a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-12a-LTLFireability-15 finished in 2744 ms.
All properties solved by simple procedures.
Total runtime 33100 ms.

BK_STOP 1779725551233

--------------------
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-12a"
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-12a, 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-177961074200412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-12a.tgz
mv GPUForwardProgress-PT-12a 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 ;