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Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967800516
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CopsAndRobbers-PT-KFL010N005K002X001

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
489.728 38271.00 33354.00 13528.70 FFFFFFTFFFFFFTTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967800516.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-KFL010N005K002X001, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967800516
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 11K Mar 6 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 15 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 6 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 75K 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-KFL010N005K002X001-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779534846118

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-KFL010N005K002X001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 11:14:07] [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 11:14:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 11:14:07] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2026-05-23 11:14:07] [INFO ] Transformed 56 places.
[2026-05-23 11:14:07] [INFO ] Transformed 93 transitions.
[2026-05-23 11:14:07] [INFO ] Parsed PT model containing 56 places and 93 transitions and 506 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 56 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 56/56 places, 93/93 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 46 transition count 93
Applied a total of 10 rules in 15 ms. Remains 46 /56 variables (removed 10) and now considering 93/93 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9389198481808710335.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-55980097207698133.kers'
[2026-05-23 11:14:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9389198481808710335.kers, --Pflows, --basisKERS=/tmp/petrispot-output-55980097207698133.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 93 rows 36 cols 306 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-23 11:14:07] [INFO ] Computed 12 invariants in 1 ms
Computed 12 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-55980097207698133.kers
Total runtime 2 ms.
[2026-05-23 11:14:07] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-23 11:14:07] [INFO ] Invariant cache hit.
[2026-05-23 11:14:07] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:07] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 333 ms to find 0 implicit places.
Running 90 sub problems to find dead transitions.
[2026-05-23 11:14:07] [INFO ] Invariant cache hit.
[2026-05-23 11:14:07] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (OVERLAPS) 93/139 variables, 46/58 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/139 variables, 22/80 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/139 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (OVERLAPS) 0/139 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 90 constraints, problems are : Problem set: 0 solved, 90 unsolved in 3357 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 46/46 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 90 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/46 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/46 variables, 10/22 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 93/139 variables, 46/68 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 22/90 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/139 variables, 90/180 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/139 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 90 unsolved
At refinement iteration 7 (OVERLAPS) 0/139 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 90 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 180 constraints, problems are : Problem set: 0 solved, 90 unsolved in 14239 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 46/46 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 90/90 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17697ms problems are : Problem set: 0 solved, 90 unsolved
Search for dead transitions found 0 dead transitions in 17713ms
Starting structural reductions in LTL mode, iteration 1 : 46/56 places, 93/93 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18093 ms. Remains : 46/56 places, 93/93 transitions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:25] [INFO ] Invariant cache hit.
[2026-05-23 11:14:25] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-23 11:14:25] [INFO ] Invariant cache hit.
[2026-05-23 11:14:25] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:25] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 113 ms. Remains : 46/46 places, 93/93 transitions.
Support contains 31 out of 46 places after structural reductions.
[2026-05-23 11:14:27] [INFO ] Flatten gal took : 41 ms
[2026-05-23 11:14:27] [INFO ] Flatten gal took : 29 ms
[2026-05-23 11:14:27] [INFO ] Input system was already deterministic with 93 transitions.
Reduction of identical properties reduced properties to check from 25 to 24
RANDOM walk for 8374 steps (270 resets) in 299 ms. (27 steps per ms) remains 0/24 properties
Computed a total of 0 stabilizing places and 20 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' '!((p0 U G(!p0)))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 46 transition count 91
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 44 transition count 91
Applied a total of 4 rules in 12 ms. Remains 44 /46 variables (removed 2) and now considering 91/93 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12135105404305130466.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-548018933835458906.kers'
[2026-05-23 11:14:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12135105404305130466.kers, --Pflows, --basisKERS=/tmp/petrispot-output-548018933835458906.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 91 rows 34 cols 302 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-23 11:14:27] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-548018933835458906.kers
Total runtime 0 ms.
[2026-05-23 11:14:27] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-23 11:14:27] [INFO ] Invariant cache hit.
[2026-05-23 11:14:27] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:28] [INFO ] Implicit Places using invariants and state equation in 138 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 199 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 91/93 transitions.
Applied a total of 0 rules in 6 ms. Remains 43 /43 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 219 ms. Remains : 43/46 places, 91/93 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(!p0)))'
Stuttering acceptance computed with spot in 180 ms :[p0, true, p0]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-00
Entered a terminal (fully accepting) state of product in 19 steps with 1 reset in 3 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-00 finished in 471 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)) U (G(p1)||X(p0))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3670073835074937036.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14483064081658203865.kers'
[2026-05-23 11:14:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3670073835074937036.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14483064081658203865.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 93 rows 36 cols 306 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-23 11:14:28] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14483064081658203865.kers
Total runtime 0 ms.
[2026-05-23 11:14:28] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 11:14:28] [INFO ] Invariant cache hit.
[2026-05-23 11:14:28] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:28] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 152 ms. Remains : 46/46 places, 93/93 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)) U (G(p1)||X(p0))))'
Stuttering acceptance computed with spot in 251 ms :[(AND (NOT p1) (NOT p0)), false, (AND (NOT p0) (NOT p1)), false, p0, p0, (AND p0 (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-01
Stuttering criterion allowed to conclude after 103 steps with 3 reset in 1 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-01 finished in 433 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U X(X(X(X(X(X(p1))))))))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:28] [INFO ] Invariant cache hit.
[2026-05-23 11:14:28] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 11:14:28] [INFO ] Invariant cache hit.
[2026-05-23 11:14:28] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:28] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 149 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U X(X(X(X(X(X(p1))))))))))'
Stuttering acceptance computed with spot in 579 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-02
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-02 finished in 794 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 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 93/93 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 46 transition count 92
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 45 transition count 92
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 44 transition count 91
Applied a total of 4 rules in 12 ms. Remains 44 /46 variables (removed 2) and now considering 91/93 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10673942408475797417.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7522627031936063333.kers'
[2026-05-23 11:14:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10673942408475797417.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7522627031936063333.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 91 rows 34 cols 302 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-23 11:14:29] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7522627031936063333.kers
Total runtime 0 ms.
[2026-05-23 11:14:29] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 11:14:29] [INFO ] Invariant cache hit.
[2026-05-23 11:14:29] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:29] [INFO ] Implicit Places using invariants and state equation in 99 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 145 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 91/93 transitions.
Applied a total of 0 rules in 7 ms. Remains 43 /43 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 164 ms. Remains : 43/46 places, 91/93 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 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-03
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-03 finished in 257 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((p0||G(p1)))))))'
Support contains 6 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6111650299346200300.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2355467395440205729.kers'
[2026-05-23 11:14:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6111650299346200300.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2355467395440205729.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 93 rows 36 cols 306 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-23 11:14:29] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2355467395440205729.kers
Total runtime 0 ms.
[2026-05-23 11:14:29] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 11:14:29] [INFO ] Invariant cache hit.
[2026-05-23 11:14:29] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:29] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((G(p0)||p1))))))'
Stuttering acceptance computed with spot in 175 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-04
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-04 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(G((p0 U X((X(X(p2))&&p1))))) U p3)))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:30] [INFO ] Invariant cache hit.
[2026-05-23 11:14:30] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-23 11:14:30] [INFO ] Invariant cache hit.
[2026-05-23 11:14:30] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:30] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 119 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(G((p0 U X((X(X(p2))&&p1))))) U p3)))'
Stuttering acceptance computed with spot in 549 ms :[(NOT p3), (OR (NOT p3) (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p2) (NOT p1)), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-05
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-05 finished in 727 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))||(p1 U X(G(!p0)))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:30] [INFO ] Invariant cache hit.
[2026-05-23 11:14:30] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-23 11:14:30] [INFO ] Invariant cache hit.
[2026-05-23 11:14:30] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:30] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 135 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))||(p1 U X(G(!p0)))))'
Stuttering acceptance computed with spot in 285 ms :[false, false, false, (NOT p0), false, true, false, p0, p0]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-07
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-07 finished in 444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 46 transition count 91
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 44 transition count 91
Applied a total of 4 rules in 6 ms. Remains 44 /46 variables (removed 2) and now considering 91/93 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11441184003782138631.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9636893070633638039.kers'
[2026-05-23 11:14:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11441184003782138631.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9636893070633638039.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 91 rows 34 cols 302 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-23 11:14:31] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9636893070633638039.kers
Total runtime 1 ms.
[2026-05-23 11:14:31] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-23 11:14:31] [INFO ] Invariant cache hit.
[2026-05-23 11:14:31] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:31] [INFO ] Implicit Places using invariants and state equation in 88 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 131 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 91/93 transitions.
Applied a total of 0 rules in 4 ms. Remains 43 /43 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 141 ms. Remains : 43/46 places, 91/93 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 31 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-09
Product exploration explored 100000 steps with 5206 reset in 369 ms.
Stack based approach found an accepted trace after 307 steps with 20 reset with depth 8 and stack size 8 in 2 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-09 finished in 564 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (X(X(X(F(p1))))||G(!p2))))'
Support contains 7 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14858358244772527343.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7808505256980445035.kers'
[2026-05-23 11:14:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14858358244772527343.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7808505256980445035.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 93 rows 36 cols 306 entries
Finished phase 1 with 34 SingleSign rule and 0 generalized
[2026-05-23 11:14:31] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7808505256980445035.kers
Total runtime 0 ms.
[2026-05-23 11:14:31] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-23 11:14:31] [INFO ] Invariant cache hit.
[2026-05-23 11:14:31] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:31] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 142 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (X(X(X(F(p1))))||G(!p2))))'
Stuttering acceptance computed with spot in 305 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p2) (NOT p1)), (AND p2 (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-10
Product exploration explored 100000 steps with 26165 reset in 157 ms.
Product exploration explored 100000 steps with 26063 reset in 175 ms.
Computed a total of 0 stabilizing places and 20 stable transitions
Computed a total of 0 stabilizing places and 20 stable transitions
Knowledge based reduction with 9 factoid took 166 ms. Reduced automaton from 9 states, 17 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
RANDOM walk for 6668 steps (236 resets) in 94 ms. (70 steps per ms) remains 0/7 properties
Knowledge based reduction with 9 factoid took 133 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Knowledge-based reduction took 547 ms.
Stuttering acceptance computed with spot in 219 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Support contains 7 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 2 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:40] [INFO ] Invariant cache hit.
[2026-05-23 11:14:40] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 11:14:40] [INFO ] Invariant cache hit.
[2026-05-23 11:14:40] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:40] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 138 ms. Remains : 46/46 places, 93/93 transitions.
Computed a total of 0 stabilizing places and 20 stable transitions
Computed a total of 0 stabilizing places and 20 stable transitions
Knowledge based reduction with 1 factoid took 50 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
RANDOM walk for 5380 steps (203 resets) in 28 ms. (185 steps per ms) remains 0/7 properties
Knowledge based reduction with 1 factoid took 118 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Knowledge-based reduction took 393 ms.
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 212 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p0) (NOT p1)), (AND (NOT p1) p2)]
Stuttering criterion allowed to conclude after 225 steps with 5 reset in 1 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-10 finished in 9943 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(p1)))&&((p1 U p2) U !p3)))'
Support contains 7 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 3 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:41] [INFO ] Invariant cache hit.
[2026-05-23 11:14:41] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 11:14:41] [INFO ] Invariant cache hit.
[2026-05-23 11:14:41] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:41] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&X(p1)))&&((p1 U p2) U !p3)))'
Stuttering acceptance computed with spot in 214 ms :[(OR (NOT p0) (NOT p1) p3), true, (OR (NOT p0) (NOT p1)), (NOT p2), p3, (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-11 finished in 384 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F(p1))))'
Support contains 8 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:42] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(F(p1))))'
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-12
Stuttering criterion allowed to conclude after 11 steps with 4 reset in 0 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-12 finished in 268 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 3 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:42] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 148 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-13
Product exploration explored 100000 steps with 33333 reset in 75 ms.
Product exploration explored 100000 steps with 33333 reset in 110 ms.
Computed a total of 0 stabilizing places and 20 stable transitions
Computed a total of 0 stabilizing places and 20 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 17 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 22 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-13 finished in 462 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((!p0||X(X(p1)))) U ((!p2&&X((!p0||X(X(p1)))))||X(G((!p0||X(X(p1)))))))))'
Support contains 8 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Applied a total of 0 rules in 1 ms. Remains 46 /46 variables (removed 0) and now considering 93/93 (removed 0) transitions.
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 11:14:42] [INFO ] Invariant cache hit.
[2026-05-23 11:14:42] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:43] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 139 ms. Remains : 46/46 places, 93/93 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((!p0||X(X(p1)))) U (X(G((!p0||X(X(p1)))))||(!p2&&X((!p0||X(X(p1)))))))))'
Stuttering acceptance computed with spot in 330 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (NOT p1), (NOT p1), true, (AND p0 (NOT p1)), (AND (NOT p1) p0), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-14
Product exploration explored 100000 steps with 33333 reset in 99 ms.
Product exploration explored 100000 steps with 33333 reset in 90 ms.
Computed a total of 0 stabilizing places and 20 stable transitions
Computed a total of 0 stabilizing places and 20 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 7 factoid took 17 ms. Proved property starting from automaton with 10 states, 18 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-14 finished in 718 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((G(p1)||p0))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 93/93 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 46 transition count 91
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 44 transition count 91
Applied a total of 4 rules in 7 ms. Remains 44 /46 variables (removed 2) and now considering 91/93 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9942683433543138716.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-642095783812112569.kers'
[2026-05-23 11:14:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9942683433543138716.kers, --Pflows, --basisKERS=/tmp/petrispot-output-642095783812112569.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 91 rows 34 cols 302 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-23 11:14:43] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-642095783812112569.kers
Total runtime 0 ms.
[2026-05-23 11:14:43] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 11:14:43] [INFO ] Invariant cache hit.
[2026-05-23 11:14:43] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-23 11:14:43] [INFO ] Implicit Places using invariants and state equation in 85 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 142 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/46 places, 91/93 transitions.
Applied a total of 0 rules in 3 ms. Remains 43 /43 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 152 ms. Remains : 43/46 places, 91/93 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((G(p1)||p0))))'
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-15
Product exploration explored 100000 steps with 5153 reset in 129 ms.
Product exploration explored 100000 steps with 5304 reset in 134 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 9 factoid took 53 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
RANDOM walk for 40000 steps (2149 resets) in 104 ms. (380 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40000 steps (1213 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10880144488617953295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10617623537428137695.kers'
[2026-05-23 11:14:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10880144488617953295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10617623537428137695.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 91 rows 33 cols 262 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-23 11:14:44] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10617623537428137695.kers
Total runtime 0 ms.
[2026-05-23 11:14:44] [INFO ] State equation strengthened by 22 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) 10/15 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/23 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/88 variables, 23/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 5/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 134/134 variables, and 59 constraints, problems are : Problem set: 1 solved, 0 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 43/43 constraints, ReadFeed: 5/22 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 10 factoid took 81 ms. Proved property starting from automaton with 2 states, 4 edges and 2 AP (stutter insensitive
Knowledge-based reduction took 248 ms.
FORMULA CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-KFL010N005K002X001-LTLFireability-15 finished in 744 ms.
All properties solved by simple procedures.
Total runtime 37092 ms.

BK_STOP 1779534884389

--------------------
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-KFL010N005K002X001"
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-KFL010N005K002X001, 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-177946967800516"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-KFL010N005K002X001.tgz
mv CopsAndRobbers-PT-KFL010N005K002X001 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 ;