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-177961074100380.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is GPUForwardProgress-PT-04a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074100380
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.0K Mar 7 11:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 11:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 11:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 7 11:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 10:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 11:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 11:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 7 11:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 32K Mar 7 11:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:34 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 8.1K 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-04a-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-04a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779724391133

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-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 15:53:12] [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 15:53:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 15:53:12] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2026-05-25 15:53:12] [INFO ] Transformed 24 places.
[2026-05-25 15:53:12] [INFO ] Transformed 29 transitions.
[2026-05-25 15:53:12] [INFO ] Found NUPN structural information;
[2026-05-25 15:53:12] [INFO ] Parsed PT model containing 24 places and 29 transitions and 101 arcs in 123 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 6 transitions
Reduce redundant transitions removed 6 transitions.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 23/23 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 23
Applied a total of 1 rules in 15 ms. Remains 23 /24 variables (removed 1) and now considering 23/23 (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-10309446547875254447.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7175145380868005685.kers'
[2026-05-25 15:53:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10309446547875254447.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7175145380868005685.kers]
Normalized transition count is 22 out of 23 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 23 cols 77 entries
Finished phase 1 with 17 SingleSign rule and 1 generalized
[2026-05-25 15:53:12] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7175145380868005685.kers
Total runtime 1 ms.
[2026-05-25 15:53:12] [INFO ] Implicit Places using invariants in 166 ms returned []
[2026-05-25 15:53:12] [INFO ] Invariant cache hit.
[2026-05-25 15:53:12] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:12] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2026-05-25 15:53:12] [INFO ] Invariant cache hit.
[2026-05-25 15:53:12] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1/45 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 1/46 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (OVERLAPS) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 56 constraints, problems are : Problem set: 0 solved, 22 unsolved in 707 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 22/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 1/45 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 1/46 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 78 constraints, problems are : Problem set: 0 solved, 22 unsolved in 768 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1500ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 1510ms
Starting structural reductions in LTL mode, iteration 1 : 23/24 places, 23/23 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1833 ms. Remains : 23/24 places, 23/23 transitions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:14] [INFO ] Invariant cache hit.
[2026-05-25 15:53:14] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 15:53:14] [INFO ] Invariant cache hit.
[2026-05-25 15:53:14] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:14] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 23/23 places, 23/23 transitions.
Support contains 17 out of 23 places after structural reductions.
[2026-05-25 15:53:14] [INFO ] Flatten gal took : 21 ms
[2026-05-25 15:53:14] [INFO ] Flatten gal took : 5 ms
[2026-05-25 15:53:14] [INFO ] Input system was already deterministic with 23 transitions.
Reduction of identical properties reduced properties to check from 27 to 24
RANDOM walk for 380 steps (4 resets) in 49 ms. (7 steps per ms) remains 0/24 properties
FORMULA GPUForwardProgress-PT-04a-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.5 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(p0)))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:15] [INFO ] Invariant cache hit.
[2026-05-25 15:53:15] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 15:53:15] [INFO ] Invariant cache hit.
[2026-05-25 15:53:15] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:15] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 72 ms. Remains : 23/23 places, 23/23 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(p0)))'
Stuttering acceptance computed with spot in 323 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-00 finished in 460 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((F(p0)&&X(p1)))||X(X(F(p2))))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 1 place count 18 transition count 18
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 14 transition count 18
Applied a total of 9 rules in 13 ms. Remains 14 /23 variables (removed 9) and now considering 18/23 (removed 5) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16492944125616682274.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12333253076380920538.kers'
[2026-05-25 15:53:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16492944125616682274.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12333253076380920538.kers]
Normalized transition count is 17 out of 18 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 17 rows 14 cols 59 entries
Finished phase 1 with 12 SingleSign rule and 1 generalized
[2026-05-25 15:53:15] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12333253076380920538.kers
Total runtime 0 ms.
[2026-05-25 15:53:15] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 15:53:15] [INFO ] Invariant cache hit.
[2026-05-25 15:53:15] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:15] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 15:53:15] [INFO ] Redundant transitions in 0 ms returned []
Running 17 sub problems to find dead transitions.
[2026-05-25 15:53:15] [INFO ] Invariant cache hit.
[2026-05-25 15:53:15] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 17/30 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 1/31 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/31 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 1/32 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 17 unsolved in 342 ms.
Refiners :[Domain max(s): 14/14 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 14/14 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 17/30 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 1/31 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/31 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/31 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 1/32 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/32 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 0/32 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 51 constraints, problems are : Problem set: 0 solved, 17 unsolved in 389 ms.
Refiners :[Domain max(s): 14/14 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 14/14 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 739ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 739ms
Starting structural reductions in SI_LTL mode, iteration 1 : 14/23 places, 18/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 804 ms. Remains : 14/23 places, 18/23 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((F(p0)&&X(p1)))||X(X(F(p2))))))'
Stuttering acceptance computed with spot in 200 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-01
Stuttering criterion allowed to conclude after 7 steps with 2 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-01 finished in 1065 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||G(p1))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (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-5977883834059688760.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8558412199017835023.kers'
[2026-05-25 15:53:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5977883834059688760.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8558412199017835023.kers]
Normalized transition count is 22 out of 23 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 23 cols 77 entries
Finished phase 1 with 17 SingleSign rule and 1 generalized
[2026-05-25 15:53:16] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8558412199017835023.kers
Total runtime 1 ms.
[2026-05-25 15:53:16] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 15:53:16] [INFO ] Invariant cache hit.
[2026-05-25 15:53:16] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:16] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2026-05-25 15:53:16] [INFO ] Invariant cache hit.
[2026-05-25 15:53:16] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1/45 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 1/46 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (OVERLAPS) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 56 constraints, problems are : Problem set: 0 solved, 22 unsolved in 385 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 22/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 1/45 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 1/46 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 78 constraints, problems are : Problem set: 0 solved, 22 unsolved in 695 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1086ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 1087ms
Finished structural reductions in LTL mode , in 1 iterations and 1163 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||G(p1))))'
Stuttering acceptance computed with spot in 140 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-03 finished in 1330 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p1)&&G(p2)&&F(G(p3))&&p0))))'
Support contains 6 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:18] [INFO ] Invariant cache hit.
[2026-05-25 15:53:18] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 15:53:18] [INFO ] Invariant cache hit.
[2026-05-25 15:53:18] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:18] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 71 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p1)&&G(p2)&&F(G(p3))&&p0))))'
Stuttering acceptance computed with spot in 681 ms :[(OR (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (OR (NOT p0) (NOT p2) (NOT p1) (NOT p3)), (OR (NOT p0) (NOT p2) (NOT p1) (NOT p3)), true, (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-04 finished in 980 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U !p1) U (G(p2) U p3)))'
Support contains 6 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 18 transition count 19
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 15 transition count 19
Applied a total of 7 rules in 5 ms. Remains 15 /23 variables (removed 8) and now considering 19/23 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18298433024672560851.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8391787519883156366.kers'
[2026-05-25 15:53:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18298433024672560851.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8391787519883156366.kers]
Normalized transition count is 18 out of 19 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 18 rows 15 cols 61 entries
Finished phase 1 with 13 SingleSign rule and 1 generalized
[2026-05-25 15:53:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8391787519883156366.kers
Total runtime 0 ms.
[2026-05-25 15:53:19] [INFO ] Implicit Places using invariants in 20 ms returned []
[2026-05-25 15:53:19] [INFO ] Invariant cache hit.
[2026-05-25 15:53:19] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:19] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-25 15:53:19] [INFO ] Redundant transitions in 0 ms returned []
Running 18 sub problems to find dead transitions.
[2026-05-25 15:53:19] [INFO ] Invariant cache hit.
[2026-05-25 15:53:19] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 18/32 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 1/33 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/33 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 1/34 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/34 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 0/34 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 34/34 variables, and 36 constraints, problems are : Problem set: 0 solved, 18 unsolved in 214 ms.
Refiners :[Domain max(s): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 18/32 variables, 14/29 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 18/51 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/32 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 1/33 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/33 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 1/34 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/34 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 0/34 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 34/34 variables, and 54 constraints, problems are : Problem set: 0 solved, 18 unsolved in 418 ms.
Refiners :[Domain max(s): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 644ms problems are : Problem set: 0 solved, 18 unsolved
Search for dead transitions found 0 dead transitions in 644ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/23 places, 19/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 705 ms. Remains : 15/23 places, 19/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U !p1) U (G(p2) U p3)))'
Stuttering acceptance computed with spot in 201 ms :[(NOT p3), (NOT p0), p1, (AND (NOT p0) (NOT p2)), (AND p1 (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-05 finished in 943 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 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 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 17 transition count 18
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 14 transition count 18
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 9 place count 13 transition count 17
Applied a total of 9 rules in 7 ms. Remains 13 /23 variables (removed 10) and now considering 17/23 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9820941591370920161.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3261813204899337944.kers'
[2026-05-25 15:53:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9820941591370920161.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3261813204899337944.kers]
Normalized transition count is 16 out of 17 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 16 rows 13 cols 44 entries
Finished phase 1 with 11 SingleSign rule and 1 generalized
[2026-05-25 15:53:19] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3261813204899337944.kers
Total runtime 0 ms.
[2026-05-25 15:53:19] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 15:53:20] [INFO ] Invariant cache hit.
[2026-05-25 15:53:20] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 15:53:20] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2026-05-25 15:53:20] [INFO ] Redundant transitions in 0 ms returned []
Running 13 sub problems to find dead transitions.
[2026-05-25 15:53:20] [INFO ] Invariant cache hit.
[2026-05-25 15:53:20] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 4/29 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 1/30 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 28 constraints, problems are : Problem set: 0 solved, 13 unsolved in 260 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 4/29 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/29 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/29 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 1/30 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 41 constraints, problems are : Problem set: 0 solved, 13 unsolved in 194 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 457ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 458ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/23 places, 17/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 532 ms. Remains : 13/23 places, 17/23 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 43 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-07 finished in 599 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(((!p1 U (p2||G(!p1)))||p0))))'
Support contains 6 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 1 place count 18 transition count 20
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 16 transition count 20
Applied a total of 5 rules in 3 ms. Remains 16 /23 variables (removed 7) and now considering 20/23 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6961201916213696331.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12743396225910000136.kers'
[2026-05-25 15:53:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6961201916213696331.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12743396225910000136.kers]
Normalized transition count is 19 out of 20 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 19 rows 16 cols 63 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-25 15:53:20] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12743396225910000136.kers
Total runtime 0 ms.
[2026-05-25 15:53:20] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-25 15:53:20] [INFO ] Invariant cache hit.
[2026-05-25 15:53:20] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:20] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-25 15:53:20] [INFO ] Redundant transitions in 0 ms returned []
Running 19 sub problems to find dead transitions.
[2026-05-25 15:53:20] [INFO ] Invariant cache hit.
[2026-05-25 15:53:20] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 19/34 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 1/35 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (OVERLAPS) 1/36 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 38 constraints, problems are : Problem set: 0 solved, 19 unsolved in 287 ms.
Refiners :[Domain max(s): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 19/34 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 19/54 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 1/35 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 1/36 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 57 constraints, problems are : Problem set: 0 solved, 19 unsolved in 424 ms.
Refiners :[Domain max(s): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 715ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 715ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/23 places, 20/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 775 ms. Remains : 16/23 places, 20/23 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(((!p1 U (p2||G(!p1)))||p0))))'
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p2) (NOT p0) p1), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-08
Product exploration explored 100000 steps with 1095 reset in 291 ms.
Product exploration explored 100000 steps with 1102 reset in 163 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 10 factoid took 77 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
RANDOM walk for 40000 steps (545 resets) in 559 ms. (71 steps per ms) remains 2/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 140 ms. (283 steps per ms) remains 2/2 properties
[2026-05-25 15:53:22] [INFO ] Invariant cache hit.
[2026-05-25 15:53:22] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/8 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 17/25 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 10/35 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/35 variables, 8/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/35 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/36 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/36 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/36 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 38 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Domain max(s): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/8 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 17/25 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf1 is UNSAT
Problem apf2 is UNSAT
After SMT solving in domain Int declared 35/36 variables, and 29 constraints, problems are : Problem set: 2 solved, 0 unsolved in 45 ms.
Refiners :[Domain max(s): 8/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 16/16 constraints, ReadFeed: 4/5 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 100ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 12 factoid took 105 ms. Proved property starting from automaton with 2 states, 4 edges and 3 AP (stutter insensitive
Knowledge-based reduction took 603 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-08 finished in 1934 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 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 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 17 transition count 18
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 14 transition count 18
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 9 place count 13 transition count 17
Applied a total of 9 rules in 4 ms. Remains 13 /23 variables (removed 10) and now considering 17/23 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9437653037361584813.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-712651847821867044.kers'
[2026-05-25 15:53:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9437653037361584813.kers, --Pflows, --basisKERS=/tmp/petrispot-output-712651847821867044.kers]
Normalized transition count is 16 out of 17 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 16 rows 13 cols 44 entries
Finished phase 1 with 11 SingleSign rule and 1 generalized
[2026-05-25 15:53:22] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-712651847821867044.kers
Total runtime 0 ms.
[2026-05-25 15:53:22] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 15:53:22] [INFO ] Invariant cache hit.
[2026-05-25 15:53:22] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 15:53:22] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-25 15:53:22] [INFO ] Redundant transitions in 0 ms returned []
Running 13 sub problems to find dead transitions.
[2026-05-25 15:53:22] [INFO ] Invariant cache hit.
[2026-05-25 15:53:22] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 4/29 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 1/30 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 28 constraints, problems are : Problem set: 0 solved, 13 unsolved in 180 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 4/29 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/29 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/29 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 1/30 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 41 constraints, problems are : Problem set: 0 solved, 13 unsolved in 196 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 379ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 379ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/23 places, 17/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 433 ms. Remains : 13/23 places, 17/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-09 finished in 504 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X((p1||F(p2))))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (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-2828095001413996024.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6413048480760445181.kers'
[2026-05-25 15:53:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2828095001413996024.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6413048480760445181.kers]
Normalized transition count is 22 out of 23 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 23 cols 77 entries
Finished phase 1 with 17 SingleSign rule and 1 generalized
[2026-05-25 15:53:23] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6413048480760445181.kers
Total runtime 0 ms.
[2026-05-25 15:53:23] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 15:53:23] [INFO ] Invariant cache hit.
[2026-05-25 15:53:23] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:23] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2026-05-25 15:53:23] [INFO ] Invariant cache hit.
[2026-05-25 15:53:23] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1/45 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 1/46 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (OVERLAPS) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 56 constraints, problems are : Problem set: 0 solved, 22 unsolved in 346 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 22/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 1/45 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 1/46 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 78 constraints, problems are : Problem set: 0 solved, 22 unsolved in 631 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 981ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 981ms
Finished structural reductions in LTL mode , in 1 iterations and 1049 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X((p1||F(p2))))))'
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-10
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-10 finished in 1245 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((F(!p1)&&p0)) U (p2||X(!p3)))))'
Support contains 6 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:24] [INFO ] Invariant cache hit.
[2026-05-25 15:53:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 15:53:24] [INFO ] Invariant cache hit.
[2026-05-25 15:53:24] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:24] [INFO ] Implicit Places using invariants and state equation in 61 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 104 ms. Remains : 23/23 places, 23/23 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((F(!p1)&&p0)) U (p2||X(!p3)))))'
Stuttering acceptance computed with spot in 404 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3), (AND (NOT p2) p3), (OR (AND (NOT p0) p3) (AND p1 p3)), (AND p1 p3), (OR (NOT p0) p1), p1]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-11
Product exploration explored 100000 steps with 33333 reset in 132 ms.
Product exploration explored 100000 steps with 33333 reset in 170 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 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 14 factoid took 16 ms. Proved property starting from automaton with 7 states, 13 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-11 finished in 873 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(G((p1 U X(X((G(F(p0)) U p2))))))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:25] [INFO ] Invariant cache hit.
[2026-05-25 15:53:25] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 15:53:25] [INFO ] Invariant cache hit.
[2026-05-25 15:53:25] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:25] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(G((p1 U X(X((G(F(p0)) U p2))))))))'
Stuttering acceptance computed with spot in 542 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-12
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-12 finished in 676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1)) U !((p0 U p2) U !p1)))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (removed 0) transitions.
[2026-05-25 15:53:25] [INFO ] Invariant cache hit.
[2026-05-25 15:53:25] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-25 15:53:25] [INFO ] Invariant cache hit.
[2026-05-25 15:53:25] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:25] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 61 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1)) U !((p0 U p2) U !p1)))'
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-13
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-13 finished in 251 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 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Graph (complete) has 68 edges and 23 vertex of which 18 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 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 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 17 transition count 18
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 14 transition count 18
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 9 place count 13 transition count 17
Applied a total of 9 rules in 3 ms. Remains 13 /23 variables (removed 10) and now considering 17/23 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10206422988488000672.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2406669169596020391.kers'
[2026-05-25 15:53:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10206422988488000672.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2406669169596020391.kers]
Normalized transition count is 16 out of 17 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 16 rows 13 cols 44 entries
Finished phase 1 with 11 SingleSign rule and 1 generalized
[2026-05-25 15:53:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2406669169596020391.kers
Total runtime 0 ms.
[2026-05-25 15:53:26] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 15:53:26] [INFO ] Invariant cache hit.
[2026-05-25 15:53:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 15:53:26] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-25 15:53:26] [INFO ] Redundant transitions in 0 ms returned []
Running 13 sub problems to find dead transitions.
[2026-05-25 15:53:26] [INFO ] Invariant cache hit.
[2026-05-25 15:53:26] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 4/29 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/29 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 1/30 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 0/30 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 28 constraints, problems are : Problem set: 0 solved, 13 unsolved in 173 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 16/25 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 4/29 variables, 4/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/29 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/29 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/29 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 1/30 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 0/30 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 41 constraints, problems are : Problem set: 0 solved, 13 unsolved in 196 ms.
Refiners :[Domain max(s): 13/13 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 373ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 373ms
Starting structural reductions in SI_LTL mode, iteration 1 : 13/23 places, 17/23 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 435 ms. Remains : 13/23 places, 17/23 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 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-14 finished in 525 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G((X(p1)||p0)))&&F(p2)))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 23/23 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 23/23 (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-10427198255287661306.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13426885385390843532.kers'
[2026-05-25 15:53:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10427198255287661306.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13426885385390843532.kers]
Normalized transition count is 22 out of 23 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 23 cols 77 entries
Finished phase 1 with 17 SingleSign rule and 1 generalized
[2026-05-25 15:53:26] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13426885385390843532.kers
Total runtime 1 ms.
[2026-05-25 15:53:26] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 15:53:26] [INFO ] Invariant cache hit.
[2026-05-25 15:53:26] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-25 15:53:26] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 22 sub problems to find dead transitions.
[2026-05-25 15:53:26] [INFO ] Invariant cache hit.
[2026-05-25 15:53:26] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 1/45 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/45 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (OVERLAPS) 1/46 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (OVERLAPS) 0/46 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 56 constraints, problems are : Problem set: 0 solved, 22 unsolved in 356 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 5/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (OVERLAPS) 22/44 variables, 22/49 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 4/53 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 22/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (OVERLAPS) 1/45 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 10 (OVERLAPS) 1/46 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 12 (OVERLAPS) 0/46 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 78 constraints, problems are : Problem set: 0 solved, 22 unsolved in 665 ms.
Refiners :[Domain max(s): 23/23 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1025ms problems are : Problem set: 0 solved, 22 unsolved
Search for dead transitions found 0 dead transitions in 1025ms
Finished structural reductions in LTL mode , in 1 iterations and 1089 ms. Remains : 23/23 places, 23/23 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G((X(p1)||p0)))&&F(p2)))'
Stuttering acceptance computed with spot in 165 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p1), true]
Running random walk in product with property : GPUForwardProgress-PT-04a-LTLFireability-15
Stuttering criterion allowed to conclude after 5 steps with 1 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04a-LTLFireability-15 finished in 1278 ms.
All properties solved by simple procedures.
Total runtime 15598 ms.

BK_STOP 1779724407895

--------------------
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-04a"
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-04a, 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-177961074100380"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-04a.tgz
mv GPUForwardProgress-PT-04a 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 ;