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.r066-tall-177946967700476.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CopsAndRobbers-PT-CRL025X003, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700476
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 7.9K Mar 6 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 6 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 6 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Mar 6 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 6 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 6 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 133K 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 CopsAndRobbers-PT-CRL025X003-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-CRL025X003-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779531082254

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-CRL025X003
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 10:11:23] [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]
[2026-05-23 10:11:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:11:23] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2026-05-23 10:11:23] [INFO ] Transformed 135 places.
[2026-05-23 10:11:23] [INFO ] Transformed 179 transitions.
[2026-05-23 10:11:23] [INFO ] Parsed PT model containing 135 places and 179 transitions and 834 arcs in 154 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 135 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 135/135 places, 179/179 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 110 transition count 179
Applied a total of 25 rules in 18 ms. Remains 110 /135 variables (removed 25) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2596582103009179991.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12504259220448358163.kers'
[2026-05-23 10:11:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2596582103009179991.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12504259220448358163.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:11:23] [INFO ] Computed 28 invariants in 1 ms
Computed 28 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12504259220448358163.kers
Total runtime 2 ms.
[2026-05-23 10:11:23] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20056 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40217ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40231ms
[2026-05-23 10:12:03] [INFO ] Invariant cache hit.
[2026-05-23 10:12:04] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-23 10:12:04] [INFO ] Invariant cache hit.
[2026-05-23 10:12:04] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:12:04] [INFO ] Implicit Places using invariants and state equation in 806 ms returned []
Implicit Place search using SMT with State Equation took 891 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 110/135 places, 179/179 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41207 ms. Remains : 110/135 places, 179/179 transitions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:12:04] [INFO ] Invariant cache hit.
[2026-05-23 10:12:04] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 10:12:04] [INFO ] Invariant cache hit.
[2026-05-23 10:12:05] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:12:05] [INFO ] Implicit Places using invariants and state equation in 796 ms returned []
Implicit Place search using SMT with State Equation took 889 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 892 ms. Remains : 110/110 places, 179/179 transitions.
Support contains 41 out of 110 places after structural reductions.
[2026-05-23 10:12:05] [INFO ] Flatten gal took : 36 ms
[2026-05-23 10:12:05] [INFO ] Flatten gal took : 15 ms
[2026-05-23 10:12:06] [INFO ] Input system was already deterministic with 179 transitions.
RANDOM walk for 40002 steps (8 resets) in 837 ms. (47 steps per ms) remains 6/23 properties
BEST_FIRST walk for 40000 steps (8 resets) in 419 ms. (95 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (257 resets) in 129 ms. (307 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 160 ms. (248 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (10 resets) in 182 ms. (218 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (255 resets) in 59 ms. (666 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (9 resets) in 143 ms. (277 steps per ms) remains 4/5 properties
[2026-05-23 10:12:06] [INFO ] Invariant cache hit.
[2026-05-23 10:12:06] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 33/47 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/47 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp15 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 18/65 variables, 18/28 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 134/199 variables, 65/93 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 5/98 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 90/289 variables, 45/143 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 45/188 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 1 solved, 3 unsolved in 1232 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 34/43 variables, 7/7 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 21/64 variables, 21/28 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/28 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 133/197 variables, 64/92 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/197 variables, 4/96 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/197 variables, 0/96 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 92/289 variables, 46/142 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 46/188 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 3/191 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 0/191 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/289 variables, 0/191 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 191 constraints, problems are : Problem set: 1 solved, 3 unsolved in 2631 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3868ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 17 ms.
Support contains 5 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
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 4 place count 108 transition count 177
Applied a total of 4 rules in 22 ms. Remains 108 /110 variables (removed 2) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11222426830157443230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7523790636091347592.kers'
[2026-05-23 10:12:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11222426830157443230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7523790636091347592.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 177 rows 83 cols 505 entries
Finished phase 1 with 80 SingleSign rule and 0 generalized
[2026-05-23 10:12:10] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7523790636091347592.kers
Total runtime 0 ms.
[2026-05-23 10:12:10] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 19225 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39288ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 39289ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39312 ms. Remains : 108/110 places, 177/179 transitions.
RANDOM walk for 40007 steps (8 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (255 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1354585 steps, run timeout after 3001 ms. (steps per millisecond=451 ) properties seen :0 out of 1
Probabilistic random walk after 1354585 steps, saw 522317 distinct states, run finished after 3006 ms. (steps per millisecond=450 ) properties seen :0
[2026-05-23 10:12:53] [INFO ] Invariant cache hit.
[2026-05-23 10:12:53] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 32/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 23/60 variables, 23/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 129/189 variables, 60/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 96/285 variables, 48/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/285 variables, 48/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 32/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/60 variables, 23/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 129/189 variables, 60/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 96/285 variables, 48/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/285 variables, 48/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp16 is UNSAT
After SMT solving in domain Int declared 285/285 variables, and 187 constraints, problems are : Problem set: 1 solved, 0 unsolved in 2511 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2608ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 10 simplifications.
Computed a total of 4 stabilizing places and 51 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p0))||(X(X(X(p1)))&&G(p2)))))'
Support contains 7 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10596222300633062461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13397551927140253736.kers'
[2026-05-23 10:12:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10596222300633062461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13397551927140253736.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:12:55] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13397551927140253736.kers
Total runtime 1 ms.
[2026-05-23 10:12:55] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40047ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40047ms
[2026-05-23 10:13:36] [INFO ] Invariant cache hit.
[2026-05-23 10:13:36] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-23 10:13:36] [INFO ] Invariant cache hit.
[2026-05-23 10:13:36] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:13:37] [INFO ] Implicit Places using invariants and state equation in 1804 ms returned []
Implicit Place search using SMT with State Equation took 1882 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41935 ms. Remains : 110/110 places, 179/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p0))||(X(X(X(p1)))&&G(p2)))))'
Stuttering acceptance computed with spot in 528 ms :[true, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p2) (NOT p1)), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-01
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 3 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-01 finished in 42553 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 3 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
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 4 place count 108 transition count 177
Applied a total of 4 rules in 21 ms. Remains 108 /110 variables (removed 2) and now considering 177/179 (removed 2) transitions.
Running 127 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12245417810023563931.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3224715879714393903.kers'
[2026-05-23 10:13:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12245417810023563931.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3224715879714393903.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 177 rows 83 cols 505 entries
Finished phase 1 with 80 SingleSign rule and 0 generalized
[2026-05-23 10:13:38] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3224715879714393903.kers
Total runtime 1 ms.
[2026-05-23 10:13:38] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 7 (OVERLAPS) 0/285 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 186 constraints, problems are : Problem set: 0 solved, 127 unsolved in 18829 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 127 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 4 (OVERLAPS) 177/285 variables, 108/136 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 50/186 constraints. Problems are: Problem set: 0 solved, 127 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 127/313 constraints. Problems are: Problem set: 0 solved, 127 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 285/285 variables, and 313 constraints, problems are : Problem set: 0 solved, 127 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 108/108 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 127/127 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38865ms problems are : Problem set: 0 solved, 127 unsolved
Search for dead transitions found 0 dead transitions in 38866ms
[2026-05-23 10:14:17] [INFO ] Invariant cache hit.
[2026-05-23 10:14:17] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-23 10:14:17] [INFO ] Invariant cache hit.
[2026-05-23 10:14:17] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:14:18] [INFO ] Implicit Places using invariants and state equation in 1233 ms returned []
Implicit Place search using SMT with State Equation took 1317 ms to find 0 implicit places.
[2026-05-23 10:14:18] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 108/110 places, 177/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40219 ms. Remains : 108/110 places, 177/179 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 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-02
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 2 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-02 finished in 40328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U p1)))'
Support contains 5 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15769686949159131355.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8601988687593030471.kers'
[2026-05-23 10:14:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15769686949159131355.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8601988687593030471.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:14:18] [INFO ] Computed 28 invariants in 1 ms
Computed 28 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8601988687593030471.kers
Total runtime 1 ms.
[2026-05-23 10:14:18] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40053ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40054ms
[2026-05-23 10:14:58] [INFO ] Invariant cache hit.
[2026-05-23 10:14:58] [INFO ] Implicit Places using invariants in 86 ms returned []
[2026-05-23 10:14:58] [INFO ] Invariant cache hit.
[2026-05-23 10:14:59] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:15:00] [INFO ] Implicit Places using invariants and state equation in 1605 ms returned []
Implicit Place search using SMT with State Equation took 1693 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41753 ms. Remains : 110/110 places, 179/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U p1)))'
Stuttering acceptance computed with spot in 117 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-03 finished in 41894 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 U !p1))))'
Support contains 5 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Applied a total of 2 rules in 17 ms. Remains 109 /110 variables (removed 1) and now considering 178/179 (removed 1) transitions.
Running 128 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14991677074438312427.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9470163362965622957.kers'
[2026-05-23 10:15:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14991677074438312427.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9470163362965622957.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 178 rows 84 cols 507 entries
Finished phase 1 with 81 SingleSign rule and 0 generalized
[2026-05-23 10:15:00] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9470163362965622957.kers
Total runtime 0 ms.
[2026-05-23 10:15:00] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40056ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 40056ms
[2026-05-23 10:15:40] [INFO ] Invariant cache hit.
[2026-05-23 10:15:40] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-23 10:15:40] [INFO ] Invariant cache hit.
[2026-05-23 10:15:40] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:15:42] [INFO ] Implicit Places using invariants and state equation in 1198 ms returned []
Implicit Place search using SMT with State Equation took 1279 ms to find 0 implicit places.
[2026-05-23 10:15:42] [INFO ] Redundant transitions in 11 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 109/110 places, 178/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41369 ms. Remains : 109/110 places, 178/179 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 U !p1))))'
Stuttering acceptance computed with spot in 63 ms :[p1, p1]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 258 ms.
Stack based approach found an accepted trace after 238 steps with 1 reset with depth 230 and stack size 230 in 1 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-06 finished in 41724 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G((p0 U !p1)) U X(X(X(G(p2))))) U (!p0&&(G((p0 U !p1)) U X(X(X(G(p2)))))))))'
Support contains 8 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11766299853796249271.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13095579533315380057.kers'
[2026-05-23 10:15:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11766299853796249271.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13095579533315380057.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:15:42] [INFO ] Computed 28 invariants in 1 ms
Computed 28 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13095579533315380057.kers
Total runtime 1 ms.
[2026-05-23 10:15:42] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40046ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40047ms
[2026-05-23 10:16:22] [INFO ] Invariant cache hit.
[2026-05-23 10:16:22] [INFO ] Implicit Places using invariants in 75 ms returned []
[2026-05-23 10:16:22] [INFO ] Invariant cache hit.
[2026-05-23 10:16:22] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:16:23] [INFO ] Implicit Places using invariants and state equation in 1089 ms returned []
Implicit Place search using SMT with State Equation took 1183 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41235 ms. Remains : 110/110 places, 179/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((G((p0 U !p1)) U X(X(X(G(p2))))) U (!p0&&(G((p0 U !p1)) U X(X(X(G(p2)))))))))'
Stuttering acceptance computed with spot in 393 ms :[(OR (NOT p2) p0), (OR (NOT p2) p0), (NOT p2), (NOT p2), (NOT p2), true, (AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p2), p1, (AND p1 p2)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-07
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-07 finished in 41691 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((X(X(p0))||(p1&&G(p2))))))&&F(p2)))'
Support contains 5 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 3 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:16:24] [INFO ] Invariant cache hit.
[2026-05-23 10:16:24] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-23 10:16:24] [INFO ] Invariant cache hit.
[2026-05-23 10:16:24] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:16:25] [INFO ] Implicit Places using invariants and state equation in 1400 ms returned []
Implicit Place search using SMT with State Equation took 1478 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1486 ms. Remains : 110/110 places, 179/179 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((X(X(p0))||(p1&&G(p2))))))&&F(p2)))'
Stuttering acceptance computed with spot in 290 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-08
Stuttering criterion allowed to conclude after 150 steps with 2 reset in 2 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-08 finished in 1815 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 8 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:16:25] [INFO ] Invariant cache hit.
[2026-05-23 10:16:26] [INFO ] Implicit Places using invariants in 75 ms returned []
[2026-05-23 10:16:26] [INFO ] Invariant cache hit.
[2026-05-23 10:16:26] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:16:27] [INFO ] Implicit Places using invariants and state equation in 1227 ms returned []
Implicit Place search using SMT with State Equation took 1303 ms to find 0 implicit places.
[2026-05-23 10:16:27] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1316 ms. Remains : 110/110 places, 179/179 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 37 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-09
Product exploration explored 100000 steps with 1 reset in 211 ms.
Stack based approach found an accepted trace after 272 steps with 2 reset with depth 255 and stack size 255 in 1 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-09 finished in 1590 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(F(p0)))))))'
Support contains 2 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 1 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:16:27] [INFO ] Invariant cache hit.
[2026-05-23 10:16:27] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-23 10:16:27] [INFO ] Invariant cache hit.
[2026-05-23 10:16:27] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:16:29] [INFO ] Implicit Places using invariants and state equation in 1404 ms returned []
Implicit Place search using SMT with State Equation took 1500 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1501 ms. Remains : 110/110 places, 179/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X(F(p0)))))))'
Stuttering acceptance computed with spot in 204 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-11
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-11 finished in 1739 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Support contains 4 out of 110 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 109 transition count 178
Applied a total of 2 rules in 15 ms. Remains 109 /110 variables (removed 1) and now considering 178/179 (removed 1) transitions.
Running 128 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4796383532732160176.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13312979356775942693.kers'
[2026-05-23 10:16:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4796383532732160176.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13312979356775942693.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 178 rows 84 cols 507 entries
Finished phase 1 with 81 SingleSign rule and 0 generalized
[2026-05-23 10:16:29] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13312979356775942693.kers
Total runtime 1 ms.
[2026-05-23 10:16:29] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40044ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 40045ms
[2026-05-23 10:17:09] [INFO ] Invariant cache hit.
[2026-05-23 10:17:09] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-23 10:17:09] [INFO ] Invariant cache hit.
[2026-05-23 10:17:09] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:17:10] [INFO ] Implicit Places using invariants and state equation in 1593 ms returned []
Implicit Place search using SMT with State Equation took 1677 ms to find 0 implicit places.
[2026-05-23 10:17:10] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 109/110 places, 178/179 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41756 ms. Remains : 109/110 places, 178/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(p1)))'
Stuttering acceptance computed with spot in 74 ms :[(NOT p1), true, (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-14 finished in 41850 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((X((G(!p1) U (G(!p1)&&p2)))||p0)) U X(!p3)))))'
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16162917995435215018.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-456599749076780827.kers'
[2026-05-23 10:17:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16162917995435215018.kers, --Pflows, --basisKERS=/tmp/petrispot-output-456599749076780827.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:17:11] [INFO ] Computed 28 invariants in 1 ms
Computed 28 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-456599749076780827.kers
Total runtime 2 ms.
[2026-05-23 10:17:11] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40053ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40054ms
[2026-05-23 10:17:51] [INFO ] Invariant cache hit.
[2026-05-23 10:17:51] [INFO ] Implicit Places using invariants in 74 ms returned []
[2026-05-23 10:17:51] [INFO ] Invariant cache hit.
[2026-05-23 10:17:51] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:17:52] [INFO ] Implicit Places using invariants and state equation in 896 ms returned []
Implicit Place search using SMT with State Equation took 972 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41029 ms. Remains : 110/110 places, 179/179 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G((X((G(!p1) U (G(!p1)&&p2)))||p0)) U X(!p3)))))'
Stuttering acceptance computed with spot in 320 ms :[p3, p3, p3, p3, (OR (AND p0 (NOT p2) p3) (AND p1 p3)), true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Running random walk in product with property : CopsAndRobbers-PT-CRL025X003-LTLFireability-15
Product exploration explored 100000 steps with 25000 reset in 249 ms.
Product exploration explored 100000 steps with 25000 reset in 259 ms.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge based reduction with 2 factoid took 63 ms. Reduced automaton from 9 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
RANDOM walk for 40006 steps (8 resets) in 228 ms. (174 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 195 ms. (204 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 2/2 properties
[2026-05-23 10:17:53] [INFO ] Invariant cache hit.
[2026-05-23 10:17:53] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 33/39 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 23/62 variables, 23/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 131/193 variables, 62/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/193 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 96/289 variables, 48/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 48/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 2 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 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, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 33/39 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 23/62 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 131/193 variables, 62/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/193 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/193 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 96/289 variables, 48/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 48/189 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 2/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/289 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 289/289 variables, and 191 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1708 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1880ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 89 ms.
Support contains 6 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 179/179 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 110 transition count 178
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 2 place count 109 transition count 178
Applied a total of 2 rules in 7 ms. Remains 109 /110 variables (removed 1) and now considering 178/179 (removed 1) transitions.
Running 128 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6990559277107684432.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4178702895280795669.kers'
[2026-05-23 10:17:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6990559277107684432.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4178702895280795669.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 178 rows 84 cols 507 entries
Finished phase 1 with 81 SingleSign rule and 0 generalized
[2026-05-23 10:17:55] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4178702895280795669.kers
Total runtime 1 ms.
[2026-05-23 10:17:55] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 7 (OVERLAPS) 0/287 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
No progress, stopping.
After SMT solving in domain Real declared 287/287 variables, and 187 constraints, problems are : Problem set: 0 solved, 128 unsolved in 18817 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 128 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 2 (OVERLAPS) 2/109 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 4 (OVERLAPS) 178/287 variables, 109/137 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/287 variables, 50/187 constraints. Problems are: Problem set: 0 solved, 128 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/287 variables, 128/315 constraints. Problems are: Problem set: 0 solved, 128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 287/287 variables, and 315 constraints, problems are : Problem set: 0 solved, 128 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 109/109 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 128/128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38856ms problems are : Problem set: 0 solved, 128 unsolved
Search for dead transitions found 0 dead transitions in 38857ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38864 ms. Remains : 109/110 places, 178/179 transitions.
RANDOM walk for 40000 steps (9 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
BEST_FIRST walk for 30135 steps (6 resets) in 120 ms. (249 steps per ms) remains 0/2 properties
Knowledge based reduction with 2 factoid took 122 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 265 ms :[p3, p3, p3, p3, true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Knowledge-based reduction took 41590 ms.
Stuttering acceptance computed with spot in 289 ms :[p3, p3, p3, p3, true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Support contains 9 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 179/179 transitions.
Applied a total of 0 rules in 2 ms. Remains 110 /110 variables (removed 0) and now considering 179/179 (removed 0) transitions.
Running 129 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-311020498490912919.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6401742174650194846.kers'
[2026-05-23 10:18:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-311020498490912919.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6401742174650194846.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 179 rows 85 cols 509 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-23 10:18:34] [INFO ] Computed 28 invariants in 0 ms
Computed 28 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6401742174650194846.kers
Total runtime 1 ms.
[2026-05-23 10:18:34] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 289/289 variables, and 188 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 2/110 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/110 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 179/289 variables, 110/138 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 50/188 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 129/317 constraints. Problems are: Problem set: 0 solved, 129 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/289 variables, and 317 constraints, problems are : Problem set: 0 solved, 129 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 28/28 constraints, State Equation: 110/110 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40039ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 40040ms
[2026-05-23 10:19:14] [INFO ] Invariant cache hit.
[2026-05-23 10:19:15] [INFO ] Implicit Places using invariants in 80 ms returned []
[2026-05-23 10:19:15] [INFO ] Invariant cache hit.
[2026-05-23 10:19:15] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-23 10:19:15] [INFO ] Implicit Places using invariants and state equation in 883 ms returned []
Implicit Place search using SMT with State Equation took 965 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 41009 ms. Remains : 110/110 places, 179/179 transitions.
Computed a total of 4 stabilizing places and 51 stable transitions
Computed a total of 4 stabilizing places and 51 stable transitions
Knowledge based reduction with 1 factoid took 47 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
RANDOM walk for 40002 steps (8 resets) in 90 ms. (439 steps per ms) remains 2/7 properties
BEST_FIRST walk for 10407 steps (2 resets) in 23 ms. (433 steps per ms) remains 0/2 properties
Knowledge based reduction with 1 factoid took 127 ms. Reduced automaton from 8 states, 14 edges and 4 AP (stutter sensitive) to 8 states, 14 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 284 ms :[p3, p3, p3, p3, true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Knowledge-based reduction took 521 ms.
Stuttering acceptance computed with spot in 291 ms :[p3, p3, p3, p3, true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Stuttering acceptance computed with spot in 253 ms :[p3, p3, p3, p3, true, p1, (OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1))]
Product exploration explored 100000 steps with 25000 reset in 234 ms.
Product exploration explored 100000 steps with 25000 reset in 243 ms.
Spot run failed in 71 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin8068780444088689825
[2026-05-23 10:19:17] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8068780444088689825
Running compilation step : cd /tmp/ltsmin8068780444088689825;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 459 ms.
Running link step : cd /tmp/ltsmin8068780444088689825;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 42 ms.
Running LTSmin : cd /tmp/ltsmin8068780444088689825;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased13268471666465456896.hoa' '--buchi-type=spotba'
LTSmin run took 205 ms.
FORMULA CopsAndRobbers-PT-CRL025X003-LTLFireability-15 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL025X003-LTLFireability-15 finished in 127198 ms.
All properties solved by simple procedures.
Total runtime 474937 ms.

BK_STOP 1779531558325

--------------------
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="CopsAndRobbers-PT-CRL025X003"
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 CopsAndRobbers-PT-CRL025X003, 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 r066-tall-177946967700476"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL025X003.tgz
mv CopsAndRobbers-PT-CRL025X003 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 ;