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-177946967700452.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-CRL005X001, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 9.8K Mar 6 13:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 13:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 13:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 08:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 13:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 13:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 13:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 13:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 08:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:34 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 29K 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-CRL005X001-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-CRL005X001-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779529802844

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-CRL005X001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 09:50:04] [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 09:50:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 09:50:04] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2026-05-23 09:50:04] [INFO ] Transformed 35 places.
[2026-05-23 09:50:04] [INFO ] Transformed 39 transitions.
[2026-05-23 09:50:04] [INFO ] Parsed PT model containing 35 places and 39 transitions and 174 arcs in 123 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 2 formulas.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 27 out of 35 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 35/35 places, 39/39 transitions.
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 30 transition count 39
Applied a total of 5 rules in 14 ms. Remains 30 /35 variables (removed 5) and now considering 39/39 (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-7639928953230046606.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12075925005000729510.kers'
[2026-05-23 09:50:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7639928953230046606.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12075925005000729510.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 39 rows 25 cols 109 entries
Finished phase 1 with 22 SingleSign rule and 0 generalized
[2026-05-23 09:50:04] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12075925005000729510.kers
Total runtime 1 ms.
[2026-05-23 09:50:04] [INFO ] Implicit Places using invariants in 133 ms returned []
[2026-05-23 09:50:04] [INFO ] Invariant cache hit.
[2026-05-23 09:50:04] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:04] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
Running 29 sub problems to find dead transitions.
[2026-05-23 09:50:04] [INFO ] Invariant cache hit.
[2026-05-23 09:50:04] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 2/30 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 39/69 variables, 30/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 5/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/69 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 53 constraints, problems are : Problem set: 0 solved, 29 unsolved in 970 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 2/30 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 39/69 variables, 30/43 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 29/82 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (OVERLAPS) 0/69 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 83 constraints, problems are : Problem set: 0 solved, 29 unsolved in 7554 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8554ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 8571ms
Starting structural reductions in LTL mode, iteration 1 : 30/35 places, 39/39 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8843 ms. Remains : 30/35 places, 39/39 transitions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:13] [INFO ] Invariant cache hit.
[2026-05-23 09:50:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-23 09:50:13] [INFO ] Invariant cache hit.
[2026-05-23 09:50:13] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:13] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 59 ms. Remains : 30/30 places, 39/39 transitions.
Support contains 27 out of 30 places after structural reductions.
[2026-05-23 09:50:13] [INFO ] Flatten gal took : 17 ms
[2026-05-23 09:50:13] [INFO ] Flatten gal took : 7 ms
[2026-05-23 09:50:13] [INFO ] Input system was already deterministic with 39 transitions.
RANDOM walk for 40000 steps (10 resets) in 1533 ms. (26 steps per ms) remains 7/29 properties
BEST_FIRST walk for 40000 steps (10 resets) in 518 ms. (77 steps per ms) remains 5/7 properties
BEST_FIRST walk for 40004 steps (1816 resets) in 151 ms. (263 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (1816 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1816 resets) in 134 ms. (296 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40000 steps (9 resets) in 266 ms. (149 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (11 resets) in 153 ms. (259 steps per ms) remains 2/3 properties
[2026-05-23 09:50:14] [INFO ] Invariant cache hit.
[2026-05-23 09:50:14] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 10/17 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp26 is UNSAT
At refinement iteration 6 (OVERLAPS) 6/23 variables, 5/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 32/55 variables, 23/32 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/55 variables, 3/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/55 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp9 is UNSAT
After SMT solving in domain Real declared 69/69 variables, and 42 constraints, problems are : Problem set: 2 solved, 0 unsolved in 140 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 3/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 144ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 11 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(p1)) U X(G((G(!p2)||X(F(p3)))))))'
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:14] [INFO ] Invariant cache hit.
[2026-05-23 09:50:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-23 09:50:14] [INFO ] Invariant cache hit.
[2026-05-23 09:50:15] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:15] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 30/30 places, 39/39 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)) U X(G((G(!p2)||X(F(p3)))))))'
Stuttering acceptance computed with spot in 715 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (NOT p3), (AND (NOT p3) p2), (AND (NOT p1) p2 (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p3) p2 (NOT p1)), (AND (NOT p3) (NOT p1)), (AND p2 (NOT p3)), (AND p2 (NOT p3))]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-00
Product exploration explored 100000 steps with 2211 reset in 247 ms.
Product exploration explored 100000 steps with 2248 reset in 125 ms.
Computed a total of 4 stabilizing places and 11 stable transitions
Computed a total of 4 stabilizing places and 11 stable transitions
Knowledge based reduction with 41 factoid took 93 ms. Reduced automaton from 13 states, 49 edges and 4 AP (stutter sensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 80 steps (2 resets) in 4 ms. (16 steps per ms) remains 0/2 properties
Knowledge based reduction with 41 factoid took 85 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND p2 (NOT p3)), (NOT p3)]
Knowledge-based reduction took 256 ms.
Stuttering acceptance computed with spot in 80 ms :[(AND p2 (NOT p3)), (NOT p3)]
Support contains 5 out of 30 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
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 2 place count 29 transition count 38
Applied a total of 2 rules in 11 ms. Remains 29 /30 variables (removed 1) and now considering 38/39 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9914461367882483384.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11317778596054889407.kers'
[2026-05-23 09:50:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9914461367882483384.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11317778596054889407.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 38 rows 24 cols 107 entries
Finished phase 1 with 21 SingleSign rule and 0 generalized
[2026-05-23 09:50:16] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11317778596054889407.kers
Total runtime 0 ms.
[2026-05-23 09:50:16] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-23 09:50:16] [INFO ] Invariant cache hit.
[2026-05-23 09:50:16] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:16] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2026-05-23 09:50:16] [INFO ] Redundant transitions in 1 ms returned []
Running 28 sub problems to find dead transitions.
[2026-05-23 09:50:16] [INFO ] Invariant cache hit.
[2026-05-23 09:50:16] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 2/29 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (OVERLAPS) 38/67 variables, 29/37 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 5/52 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (OVERLAPS) 0/67 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 53 constraints, problems are : Problem set: 0 solved, 28 unsolved in 939 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 29/29 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 3 (OVERLAPS) 2/29 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 6 (OVERLAPS) 38/67 variables, 29/42 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 10/52 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/67 variables, 28/80 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/67 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/67 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 11 (OVERLAPS) 0/67 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 81 constraints, problems are : Problem set: 0 solved, 28 unsolved in 5382 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 29/29 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6331ms problems are : Problem set: 0 solved, 28 unsolved
Search for dead transitions found 0 dead transitions in 6331ms
Starting structural reductions in SI_LTL mode, iteration 1 : 29/30 places, 38/39 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6436 ms. Remains : 29/30 places, 38/39 transitions.
Computed a total of 4 stabilizing places and 11 stable transitions
Computed a total of 4 stabilizing places and 11 stable transitions
Knowledge based reduction with 3 factoid took 52 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
RANDOM walk for 75 steps (1 resets) in 6 ms. (10 steps per ms) remains 0/2 properties
Knowledge based reduction with 3 factoid took 62 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(AND p2 (NOT p3)), (NOT p3)]
Knowledge-based reduction took 205 ms.
Stuttering acceptance computed with spot in 78 ms :[(AND p2 (NOT p3)), (NOT p3)]
Stuttering acceptance computed with spot in 91 ms :[(AND p2 (NOT p3)), (NOT p3)]
Product exploration explored 100000 steps with 2710 reset in 92 ms.
Product exploration explored 100000 steps with 2473 reset in 130 ms.
Built C files in :
/tmp/ltsmin5479208771539224057
[2026-05-23 09:50:23] [INFO ] Computing symmetric may disable matrix : 38 transitions.
[2026-05-23 09:50:23] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 09:50:23] [INFO ] Computing symmetric may enable matrix : 38 transitions.
[2026-05-23 09:50:23] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 09:50:23] [INFO ] Computing Do-Not-Accords matrix : 38 transitions.
[2026-05-23 09:50:23] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 09:50:23] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5479208771539224057
Running compilation step : cd /tmp/ltsmin5479208771539224057;'/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 219 ms.
Running link step : cd /tmp/ltsmin5479208771539224057;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin5479208771539224057;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased1760490632366559212.hoa' '--buchi-type=spotba'
LTSmin run took 38 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-00 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-00 finished in 9021 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(X(p0) U p0)&&(G(!X(p0)) U p1)))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (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-4097627603366602014.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14454575180189370686.kers'
[2026-05-23 09:50:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4097627603366602014.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14454575180189370686.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 39 rows 25 cols 109 entries
Finished phase 1 with 22 SingleSign rule and 0 generalized
[2026-05-23 09:50:23] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14454575180189370686.kers
Total runtime 0 ms.
[2026-05-23 09:50:23] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-23 09:50:23] [INFO ] Invariant cache hit.
[2026-05-23 09:50:23] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:24] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 29 sub problems to find dead transitions.
[2026-05-23 09:50:24] [INFO ] Invariant cache hit.
[2026-05-23 09:50:24] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 2/30 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 39/69 variables, 30/38 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 5/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/69 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 69/69 variables, and 53 constraints, problems are : Problem set: 0 solved, 29 unsolved in 727 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 2/30 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 39/69 variables, 30/43 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 10/53 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 29/82 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/69 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/69 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (OVERLAPS) 0/69 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 69/69 variables, and 83 constraints, problems are : Problem set: 0 solved, 29 unsolved in 7281 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8015ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 8016ms
Finished structural reductions in LTL mode , in 1 iterations and 8099 ms. Remains : 30/30 places, 39/39 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 p0)&&(G(!X(p0)) U p1)))'
Stuttering acceptance computed with spot in 196 ms :[p0, p0, true, (OR (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-01
Stuttering criterion allowed to conclude after 6 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-01 finished in 8341 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 G(p1)) U X(p2)))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 30/30 places, 39/39 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 G(p1)) U X(p2)))'
Stuttering acceptance computed with spot in 242 ms :[(NOT p2), (AND p1 (NOT p0) (NOT p2)), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-03
Product exploration explored 100000 steps with 0 reset in 96 ms.
Stack based approach found an accepted trace after 32 steps with 0 reset with depth 33 and stack size 33 in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-03 finished in 463 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 3 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 30/30 places, 39/39 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-04
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-04 finished in 171 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 G(p1)))))'
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-23 09:50:32] [INFO ] Invariant cache hit.
[2026-05-23 09:50:32] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:32] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 30/30 places, 39/39 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 G(p1)))))'
Stuttering acceptance computed with spot in 238 ms :[(NOT p1), (NOT p1), (NOT p1), true, (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-06 finished in 354 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(!F(X(!p0))) U p1)&&F((p1 U p2))))'
Support contains 7 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:33] [INFO ] Invariant cache hit.
[2026-05-23 09:50:33] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-23 09:50:33] [INFO ] Invariant cache hit.
[2026-05-23 09:50:33] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:33] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 30/30 places, 39/39 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(!F(X(!p0))) U p1)&&F((p1 U p2))))'
Stuttering acceptance computed with spot in 181 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p0), true]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-07
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-07 finished in 290 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(!p0))||(F(!p0)&&X((X(X(X(!p1)))&&(!p2 U (p3||G(!p2)))))))))'
Support contains 9 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 4 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:33] [INFO ] Invariant cache hit.
[2026-05-23 09:50:33] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 09:50:33] [INFO ] Invariant cache hit.
[2026-05-23 09:50:33] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:33] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 90 ms. Remains : 30/30 places, 39/39 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(F(p0))||(F(p0)&&X((X(X(X(p1)))&&(!p2 U (p3||G(!p2)))))))))'
Stuttering acceptance computed with spot in 1054 ms :[(NOT p0), (NOT p0), (OR (AND (NOT p0) p2 (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p2 (NOT p3)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p3) p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p3) p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p3) p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-08
Product exploration explored 100000 steps with 20000 reset in 139 ms.
Product exploration explored 100000 steps with 20000 reset in 265 ms.
Computed a total of 4 stabilizing places and 11 stable transitions
Computed a total of 4 stabilizing places and 11 stable transitions
Knowledge based reduction with 17 factoid took 712 ms. Reduced automaton from 21 states, 62 edges and 4 AP (stutter sensitive) to 21 states, 61 edges and 4 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 15 to 14
RANDOM walk for 40000 steps (10 resets) in 269 ms. (148 steps per ms) remains 8/14 properties
BEST_FIRST walk for 40000 steps (9 resets) in 156 ms. (254 steps per ms) remains 6/8 properties
BEST_FIRST walk for 40000 steps (8 resets) in 205 ms. (194 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (9 resets) in 276 ms. (144 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (8 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (8 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (9 resets) in 115 ms. (344 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40000 steps (8 resets) in 144 ms. (275 steps per ms) remains 6/6 properties
[2026-05-23 09:50:36] [INFO ] Invariant cache hit.
[2026-05-23 09:50:36] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf4 is UNSAT
Problem apf8 is UNSAT
Problem apf12 is UNSAT
At refinement iteration 1 (OVERLAPS) 12/21 variables, 6/6 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 3 unsolved
Problem apf7 is UNSAT
Problem apf11 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/23 variables, 2/8 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/8 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 32/55 variables, 23/31 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 3/34 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/34 constraints. Problems are: Problem set: 5 solved, 1 unsolved
Problem apf9 is UNSAT
After SMT solving in domain Real declared 69/69 variables, and 41 constraints, problems are : Problem set: 6 solved, 0 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 3/10 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 6 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 6 invariant AP formulas.
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 23 factoid took 10 ms. Proved property starting from automaton with 21 states, 61 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 1349 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-08 finished in 2967 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)||(p2 U (G(p2)||(p2&&G(!p3)))))))'
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (removed 0) transitions.
[2026-05-23 09:50:36] [INFO ] Invariant cache hit.
[2026-05-23 09:50:36] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-23 09:50:36] [INFO ] Invariant cache hit.
[2026-05-23 09:50:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:36] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 30/30 places, 39/39 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)||(p2 U (G(p2)||(p2&&G(!p3)))))))'
Stuttering acceptance computed with spot in 362 ms :[true, (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p2) p3), (AND (NOT p1) (NOT p2) p3), p3, (AND (NOT p1) p3)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-09
Product exploration explored 100000 steps with 1 reset in 73 ms.
Product exploration explored 100000 steps with 0 reset in 71 ms.
Computed a total of 4 stabilizing places and 11 stable transitions
Computed a total of 4 stabilizing places and 11 stable transitions
Negative knowledge disproves property using: (X p2)
Knowledge based reduction with 23 factoid took 54 ms. Proved property starting from automaton with 9 states, 31 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 55 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-09 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-09 finished in 662 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 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 39/39 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 30 transition count 37
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 28 transition count 37
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 6 place count 27 transition count 36
Applied a total of 6 rules in 9 ms. Remains 27 /30 variables (removed 3) and now considering 36/39 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14183185807989619119.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13638207812515359545.kers'
[2026-05-23 09:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14183185807989619119.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13638207812515359545.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 36 rows 22 cols 103 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-23 09:50:37] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13638207812515359545.kers
Total runtime 1 ms.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 09:50:37] [INFO ] Invariant cache hit.
[2026-05-23 09:50:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants and state equation in 54 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 96 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 26/30 places, 36/39 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 36/36 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 107 ms. Remains : 26/30 places, 36/39 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 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 76 ms.
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-10 finished in 284 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0) U p1)&&F(p2)&&X(p3)))'
Support contains 8 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 39/39 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 39/39 (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-7234071649026865350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11289855504877074685.kers'
[2026-05-23 09:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7234071649026865350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11289855504877074685.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 39 rows 25 cols 109 entries
Finished phase 1 with 22 SingleSign rule and 0 generalized
[2026-05-23 09:50:37] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11289855504877074685.kers
Total runtime 0 ms.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 09:50:37] [INFO ] Invariant cache hit.
[2026-05-23 09:50:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 86 ms. Remains : 30/30 places, 39/39 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0) U p1)&&F(p2)&&X(p3)))'
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p2) (NOT p1) (NOT p3)), p0, (NOT p1), (NOT p2), (NOT p3), true]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-13
Entered a terminal (fully accepting) state of product in 9 steps with 3 reset in 1 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-13 finished in 339 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 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 39/39 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 30 transition count 37
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 28 transition count 37
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 6 place count 27 transition count 36
Applied a total of 6 rules in 7 ms. Remains 27 /30 variables (removed 3) and now considering 36/39 (removed 3) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11404067877096008911.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18376325502603854309.kers'
[2026-05-23 09:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11404067877096008911.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18376325502603854309.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 36 rows 22 cols 103 entries
Finished phase 1 with 19 SingleSign rule and 0 generalized
[2026-05-23 09:50:37] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18376325502603854309.kers
Total runtime 0 ms.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-23 09:50:37] [INFO ] Invariant cache hit.
[2026-05-23 09:50:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-23 09:50:37] [INFO ] Implicit Places using invariants and state equation in 47 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 84 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 26/30 places, 36/39 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 36/36 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 93 ms. Remains : 26/30 places, 36/39 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 35 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-CRL005X001-LTLFireability-15
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-CRL005X001-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-CRL005X001-LTLFireability-15 finished in 148 ms.
All properties solved by simple procedures.
Total runtime 33930 ms.

BK_STOP 1779529837979

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CopsAndRobbers-PT-CRL005X001"
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-CRL005X001, 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-177946967700452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-CRL005X001.tgz
mv CopsAndRobbers-PT-CRL005X001 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 ;