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-177946967800500.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CopsAndRobbers-PT-HRL020X006, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967800500
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 9.3K Mar 6 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 6 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K Mar 6 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 6 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:36 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 191K 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-HRL020X006-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779531974216

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-HRL020X006
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 10:26:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 10:26:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:26:15] [INFO ] Load time of PNML (sax parser for PT used): 79 ms
[2026-05-23 10:26:15] [INFO ] Transformed 110 places.
[2026-05-23 10:26:15] [INFO ] Transformed 224 transitions.
[2026-05-23 10:26:15] [INFO ] Parsed PT model containing 110 places and 224 transitions and 1149 arcs in 172 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 42 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 224/224 transitions.
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 90 transition count 224
Applied a total of 20 rules in 29 ms. Remains 90 /110 variables (removed 20) and now considering 224/224 (removed 0) transitions.
Running 184 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12355100258811464334.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7690164999002114894.kers'
[2026-05-23 10:26:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12355100258811464334.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7690164999002114894.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 224 rows 70 cols 729 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-23 10:26:15] [INFO ] Computed 23 invariants in 1 ms
Computed 23 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7690164999002114894.kers
Total runtime 2 ms.
[2026-05-23 10:26:15] [INFO ] State equation strengthened by 60 read => feed constraints.
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 224/314 variables, 90/113 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 60/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 0/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 7 (OVERLAPS) 0/314 variables, 0/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 314/314 variables, and 173 constraints, problems are : Problem set: 40 solved, 144 unsolved in 13168 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 224/314 variables, 90/113 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/314 variables, 60/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 144/317 constraints. Problems are: Problem set: 40 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/314 variables, and 317 constraints, problems are : Problem set: 40 solved, 144 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 144/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33431ms problems are : Problem set: 40 solved, 144 unsolved
Search for dead transitions found 40 dead transitions in 33447ms
Found 40 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 40 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 40 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15906857902430509432.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5469068004049544365.kers'
[2026-05-23 10:26:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15906857902430509432.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5469068004049544365.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 184 rows 70 cols 569 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-23 10:26:49] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5469068004049544365.kers
Total runtime 1 ms.
[2026-05-23 10:26:49] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-23 10:26:49] [INFO ] Invariant cache hit.
[2026-05-23 10:26:49] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:26:49] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 90/110 places, 184/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33783 ms. Remains : 90/110 places, 184/224 transitions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 2 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
[2026-05-23 10:26:49] [INFO ] Invariant cache hit.
[2026-05-23 10:26:49] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 154 constraints, problems are : Problem set: 0 solved, 144 unsolved in 11503 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 144/297 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 31550ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 31551ms
[2026-05-23 10:27:21] [INFO ] Invariant cache hit.
[2026-05-23 10:27:21] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-23 10:27:21] [INFO ] Invariant cache hit.
[2026-05-23 10:27:21] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:21] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 31796 ms. Remains : 90/90 places, 184/184 transitions.
Support contains 42 out of 90 places after structural reductions.
[2026-05-23 10:27:21] [INFO ] Flatten gal took : 36 ms
[2026-05-23 10:27:21] [INFO ] Flatten gal took : 16 ms
[2026-05-23 10:27:21] [INFO ] Input system was already deterministic with 184 transitions.
Reduction of identical properties reduced properties to check from 29 to 28
RANDOM walk for 40002 steps (66 resets) in 778 ms. (51 steps per ms) remains 5/28 properties
BEST_FIRST walk for 40002 steps (76 resets) in 327 ms. (121 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (106 resets) in 128 ms. (310 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (83 resets) in 91 ms. (434 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (85 resets) in 99 ms. (400 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (78 resets) in 98 ms. (404 steps per ms) remains 5/5 properties
[2026-05-23 10:27:22] [INFO ] Invariant cache hit.
[2026-05-23 10:27:22] [INFO ] State equation strengthened by 40 read => feed constraints.
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp25 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem AtomicPropp8 is UNSAT
At refinement iteration 2 (OVERLAPS) 25/38 variables, 7/9 constraints. Problems are: Problem set: 4 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 0/9 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 14/52 variables, 14/23 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/23 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 146/198 variables, 52/75 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 2/77 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/77 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 76/274 variables, 38/115 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/274 variables, 38/153 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/274 variables, 0/153 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 153 constraints, problems are : Problem set: 4 solved, 1 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem AtomicPropp15 is UNSAT
After SMT solving in domain Int declared 32/274 variables, and 4 constraints, problems are : Problem set: 5 solved, 0 unsolved in 23 ms.
Refiners :[Positive P Invariants (semi-flows): 4/23 constraints, State Equation: 0/90 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 0/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 13 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 41 stable transitions
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(X(X(p1))&&(!p2 U (G(!p2)||(!p2&&G(!p3)))))))'
Support contains 8 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 3 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:22] [INFO ] Invariant cache hit.
[2026-05-23 10:27:22] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-23 10:27:22] [INFO ] Invariant cache hit.
[2026-05-23 10:27:22] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:23] [INFO ] Implicit Places using invariants and state equation in 308 ms returned []
Implicit Place search using SMT with State Equation took 383 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 388 ms. Remains : 90/90 places, 184/184 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(X(X(p1))&&(!p2 U (G(!p2)||(!p2&&G(!p3)))))))'
Stuttering acceptance computed with spot in 604 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p3 p2), (AND (NOT p0) p2), true, (NOT p1), (AND (NOT p0) (NOT p1)), p3, p2, (AND p3 p2), (AND (NOT p0) p3)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-02
Entered a terminal (fully accepting) state of product in 731 steps with 32 reset in 24 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-02 finished in 1099 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) U !p1)))'
Support contains 5 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 2 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:23] [INFO ] Invariant cache hit.
[2026-05-23 10:27:23] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-23 10:27:23] [INFO ] Invariant cache hit.
[2026-05-23 10:27:23] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:24] [INFO ] Implicit Places using invariants and state equation in 328 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 397 ms. Remains : 90/90 places, 184/184 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) U !p1)))'
Stuttering acceptance computed with spot in 129 ms :[p1, p1, (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 258 ms.
Product exploration explored 100000 steps with 50000 reset in 241 ms.
Computed a total of 4 stabilizing places and 41 stable transitions
Computed a total of 4 stabilizing places and 41 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 12 ms. Proved property starting from automaton with 3 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-05 finished in 1083 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((F(p1)&&p0)))))'
Support contains 5 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:24] [INFO ] Invariant cache hit.
[2026-05-23 10:27:24] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-23 10:27:24] [INFO ] Invariant cache hit.
[2026-05-23 10:27:24] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:25] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 379 ms. Remains : 90/90 places, 184/184 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((F(p1)&&p0)))))'
Stuttering acceptance computed with spot in 174 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-06
Stuttering criterion allowed to conclude after 46 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-06 finished in 577 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 3 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:25] [INFO ] Invariant cache hit.
[2026-05-23 10:27:25] [INFO ] Implicit Places using invariants in 75 ms returned []
[2026-05-23 10:27:25] [INFO ] Invariant cache hit.
[2026-05-23 10:27:25] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:25] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 357 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 360 ms. Remains : 90/90 places, 184/184 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Stuttering acceptance computed with spot in 179 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-07 finished in 565 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(X(X(F(p1))))))))'
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 5 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:25] [INFO ] Invariant cache hit.
[2026-05-23 10:27:26] [INFO ] Implicit Places using invariants in 118 ms returned []
[2026-05-23 10:27:26] [INFO ] Invariant cache hit.
[2026-05-23 10:27:26] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:26] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 645 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 651 ms. Remains : 90/90 places, 184/184 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(X(X(F(p1))))))))'
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-08
Product exploration explored 100000 steps with 15186 reset in 282 ms.
Product exploration explored 100000 steps with 14346 reset in 327 ms.
Computed a total of 4 stabilizing places and 41 stable transitions
Computed a total of 4 stabilizing places and 41 stable transitions
Detected a total of 4/90 stabilizing places and 41/184 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 4 factoid took 113 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 3692 steps (6 resets) in 17 ms. (205 steps per ms) remains 0/2 properties
Knowledge based reduction with 4 factoid took 80 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 418 ms.
Stuttering acceptance computed with spot in 211 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:28] [INFO ] Invariant cache hit.
[2026-05-23 10:27:28] [INFO ] Implicit Places using invariants in 73 ms returned []
[2026-05-23 10:27:28] [INFO ] Invariant cache hit.
[2026-05-23 10:27:28] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:28] [INFO ] Implicit Places using invariants and state equation in 526 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 606 ms. Remains : 90/90 places, 184/184 transitions.
Computed a total of 4 stabilizing places and 41 stable transitions
Computed a total of 4 stabilizing places and 41 stable transitions
Detected a total of 4/90 stabilizing places and 41/184 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge based reduction with 4 factoid took 46 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 3387 steps (5 resets) in 13 ms. (241 steps per ms) remains 0/2 properties
Knowledge based reduction with 4 factoid took 73 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 187 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Knowledge-based reduction took 322 ms.
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 181 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 15135 reset in 196 ms.
Product exploration explored 100000 steps with 14926 reset in 209 ms.
Spot run failed in 82 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin8283323802522376695
[2026-05-23 10:27:29] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8283323802522376695
Running compilation step : cd /tmp/ltsmin8283323802522376695;'/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 446 ms.
Running link step : cd /tmp/ltsmin8283323802522376695;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 47 ms.
Running LTSmin : cd /tmp/ltsmin8283323802522376695;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased251899439489956479.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 2 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:27:44] [INFO ] Invariant cache hit.
[2026-05-23 10:27:45] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-23 10:27:45] [INFO ] Invariant cache hit.
[2026-05-23 10:27:45] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:27:45] [INFO ] Implicit Places using invariants and state equation in 533 ms returned []
Implicit Place search using SMT with State Equation took 614 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 617 ms. Remains : 90/90 places, 184/184 transitions.
Built C files in :
/tmp/ltsmin2107860726166897545
[2026-05-23 10:27:45] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2107860726166897545
Running compilation step : cd /tmp/ltsmin2107860726166897545;'/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 295 ms.
Running link step : cd /tmp/ltsmin2107860726166897545;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin2107860726166897545;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased14376413132465649676.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-23 10:28:00] [INFO ] Flatten gal took : 11 ms
[2026-05-23 10:28:00] [INFO ] Flatten gal took : 9 ms
[2026-05-23 10:28:00] [INFO ] Time to serialize gal into /tmp/LTL9212237659227202212.gal : 4 ms
[2026-05-23 10:28:00] [INFO ] Time to serialize properties into /tmp/LTL15472963965658504824.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9212237659227202212.gal' '-t' 'CGAL' '-hoa' '/tmp/aut12389866787111486891.hoa' '-atoms' '/tmp/LTL15472963965658504824.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL15472963965658504824.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut12389866787111486891.hoa
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t5, t7, t9, t10, t12, t14, t15, t17, t19, t20, t22, t24, t25, t27, t29, t30, t32, t34...704
Computing Next relation with stutter on 1.91268e+06 deadlock states
Detected timeout of ITS tools.
[2026-05-23 10:28:15] [INFO ] Flatten gal took : 12 ms
[2026-05-23 10:28:15] [INFO ] Flatten gal took : 10 ms
[2026-05-23 10:28:15] [INFO ] Time to serialize gal into /tmp/LTL5854683836203551228.gal : 2 ms
[2026-05-23 10:28:15] [INFO ] Time to serialize properties into /tmp/LTL11379497387823083586.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5854683836203551228.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11379497387823083586.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X(G(("(pl_init_cops<1)")||(X(X(X(F("(((pl_start_cops<1)||(pl_cops_n1<1))||(pl_robber_absent_n1<1))")))))))))
Formula 0 simplified : XF(!"(pl_init_cops<1)" & XXXG!"(((pl_start_cops<1)||(pl_cops_n1<1))||(pl_robber_absent_n1<1))")
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t5, t7, t9, t10, t12, t14, t15, t17, t19, t20, t22, t24, t25, t27, t29, t30, t32, t34...704
Computing Next relation with stutter on 1.91268e+06 deadlock states
Detected timeout of ITS tools.
[2026-05-23 10:28:30] [INFO ] Flatten gal took : 15 ms
[2026-05-23 10:28:30] [INFO ] Applying decomposition
[2026-05-23 10:28:30] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph16573401931295998249.txt' '-o' '/tmp/graph16573401931295998249.bin' '-w' '/tmp/graph16573401931295998249.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16573401931295998249.bin' '-l' '-1' '-v' '-w' '/tmp/graph16573401931295998249.weights' '-q' '0' '-e' '0.001'
[2026-05-23 10:28:30] [INFO ] Decomposing Gal with order
[2026-05-23 10:28:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 10:28:30] [INFO ] Removed a total of 236 redundant transitions.
[2026-05-23 10:28:30] [INFO ] Flatten gal took : 80 ms
[2026-05-23 10:28:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 62 labels/synchronizations in 12 ms.
[2026-05-23 10:28:31] [INFO ] Time to serialize gal into /tmp/LTL8292638510127454753.gal : 4 ms
[2026-05-23 10:28:31] [INFO ] Time to serialize properties into /tmp/LTL15384594985042867479.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8292638510127454753.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL15384594985042867479.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(G(("(u0.pl_init_cops<1)")||(X(X(X(F("(((u2.pl_start_cops<1)||(u2.pl_cops_n1<1))||(i2.i0.u5.pl_robber_absent_n1<1))")))))))))
Formula 0 simplified : XF(!"(u0.pl_init_cops<1)" & XXXG!"(((u2.pl_start_cops<1)||(u2.pl_cops_n1<1))||(i2.i0.u5.pl_robber_absent_n1<1))")
Detected timeout of ITS tools.
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-08 finished in 80151 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 90 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 184/184 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 90 transition count 183
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 89 transition count 183
Applied a total of 2 rules in 20 ms. Remains 89 /90 variables (removed 1) and now considering 183/184 (removed 1) transitions.
Running 143 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16070319133607661555.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17977018105299351342.kers'
[2026-05-23 10:28:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16070319133607661555.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17977018105299351342.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 183 rows 69 cols 567 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-23 10:28:46] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17977018105299351342.kers
Total runtime 0 ms.
[2026-05-23 10:28:46] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (OVERLAPS) 0/272 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 19354 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 143/295 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 296 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20023 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 39425ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 39426ms
[2026-05-23 10:29:25] [INFO ] Invariant cache hit.
[2026-05-23 10:29:25] [INFO ] Implicit Places using invariants in 75 ms returned []
[2026-05-23 10:29:25] [INFO ] Invariant cache hit.
[2026-05-23 10:29:25] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:29:26] [INFO ] Implicit Places using invariants and state equation in 426 ms returned []
Implicit Place search using SMT with State Equation took 502 ms to find 0 implicit places.
[2026-05-23 10:29:26] [INFO ] Redundant transitions in 9 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/90 places, 183/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39964 ms. Remains : 89/90 places, 183/184 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 85 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-10
Stuttering criterion allowed to conclude after 234 steps with 2 reset in 4 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-10 finished in 40089 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 3 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18113964238483159551.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3717283876361587561.kers'
[2026-05-23 10:29:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18113964238483159551.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3717283876361587561.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 184 rows 70 cols 569 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-23 10:29:26] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3717283876361587561.kers
Total runtime 1 ms.
[2026-05-23 10:29:26] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 154 constraints, problems are : Problem set: 0 solved, 144 unsolved in 11362 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 144/297 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 11/308 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 31412ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 31415ms
[2026-05-23 10:29:57] [INFO ] Invariant cache hit.
[2026-05-23 10:29:57] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-23 10:29:57] [INFO ] Invariant cache hit.
[2026-05-23 10:29:57] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:29:58] [INFO ] Implicit Places using invariants and state equation in 416 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 31905 ms. Remains : 90/90 places, 184/184 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Stuttering acceptance computed with spot in 91 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-11
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-11 finished in 32025 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))&&F(p2))))'
Support contains 7 out of 90 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 184/184 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 89 transition count 183
Applied a total of 2 rules in 14 ms. Remains 89 /90 variables (removed 1) and now considering 183/184 (removed 1) transitions.
Running 143 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17780627014987439385.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13099169896869846480.kers'
[2026-05-23 10:29:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17780627014987439385.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13099169896869846480.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 183 rows 69 cols 567 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-23 10:29:58] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13099169896869846480.kers
Total runtime 1 ms.
[2026-05-23 10:29:58] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 154 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/113 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 143/296 constraints. Problems are: Problem set: 0 solved, 143 unsolved
SMT process timed out in 40055ms, After SMT, problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 40056ms
[2026-05-23 10:30:38] [INFO ] Invariant cache hit.
[2026-05-23 10:30:38] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-23 10:30:38] [INFO ] Invariant cache hit.
[2026-05-23 10:30:38] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:30:38] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
[2026-05-23 10:30:38] [INFO ] Redundant transitions in 8 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/90 places, 183/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40614 ms. Remains : 89/90 places, 183/184 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))&&F(p2))))'
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-12
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-12 finished in 40757 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F((G(!p0)&&F(p1)))||G((p2||X(p2)))))))'
Support contains 5 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16807875921492018443.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6651182391129077554.kers'
[2026-05-23 10:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16807875921492018443.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6651182391129077554.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 184 rows 70 cols 569 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-23 10:30:38] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-6651182391129077554.kers
Total runtime 4 ms.
[2026-05-23 10:30:38] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 154 constraints, problems are : Problem set: 0 solved, 144 unsolved in 10970 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 144/297 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/274 variables, and 298 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20017 ms.
Refiners :[Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 31025ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 31025ms
[2026-05-23 10:31:09] [INFO ] Invariant cache hit.
[2026-05-23 10:31:10] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-23 10:31:10] [INFO ] Invariant cache hit.
[2026-05-23 10:31:10] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:31:10] [INFO ] Implicit Places using invariants and state equation in 391 ms returned []
Implicit Place search using SMT with State Equation took 454 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 31485 ms. Remains : 90/90 places, 184/184 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F((G(p0)&&F(p1)))||G((p2||X(p2)))))))'
Stuttering acceptance computed with spot in 311 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-13
Stuttering criterion allowed to conclude after 53 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-13 finished in 31838 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(F(p2)))&&p1))))'
Support contains 6 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 184/184 transitions.
Applied a total of 0 rules in 4 ms. Remains 90 /90 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:31:10] [INFO ] Invariant cache hit.
[2026-05-23 10:31:10] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 10:31:10] [INFO ] Invariant cache hit.
[2026-05-23 10:31:10] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 10:31:11] [INFO ] Implicit Places using invariants and state equation in 375 ms returned []
Implicit Place search using SMT with State Equation took 441 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 445 ms. Remains : 90/90 places, 184/184 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(F(p2)))&&p1))))'
Stuttering acceptance computed with spot in 193 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p0), (NOT p2), true, (NOT p2)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLFireability-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLFireability-15 finished in 664 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(X(X(F(p1))))))))'
Spot run failed in 62 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-23 10:31:11] [INFO ] Flatten gal took : 8 ms
Using solver Z3 to compute partial order matrices.
[2026-05-23 10:31:11] [INFO ] Applying decomposition
Built C files in :
/tmp/ltsmin16662041318563193014
[2026-05-23 10:31:11] [INFO ] Computing symmetric may disable matrix : 184 transitions.
[2026-05-23 10:31:11] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:31:11] [INFO ] Computing symmetric may enable matrix : 184 transitions.
[2026-05-23 10:31:11] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:31:11] [INFO ] Computing Do-Not-Accords matrix : 184 transitions.
[2026-05-23 10:31:11] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:31:11] [INFO ] Flatten gal took : 20 ms
[2026-05-23 10:31:11] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16662041318563193014
Running compilation step : cd /tmp/ltsmin16662041318563193014;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2295689485852360427.txt' '-o' '/tmp/graph2295689485852360427.bin' '-w' '/tmp/graph2295689485852360427.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2295689485852360427.bin' '-l' '-1' '-v' '-w' '/tmp/graph2295689485852360427.weights' '-q' '0' '-e' '0.001'
[2026-05-23 10:31:11] [INFO ] Decomposing Gal with order
[2026-05-23 10:31:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 10:31:11] [INFO ] Removed a total of 239 redundant transitions.
[2026-05-23 10:31:11] [INFO ] Flatten gal took : 42 ms
[2026-05-23 10:31:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 66 labels/synchronizations in 7 ms.
[2026-05-23 10:31:11] [INFO ] Time to serialize gal into /tmp/LTLFireability17506068341377229708.gal : 3 ms
[2026-05-23 10:31:11] [INFO ] Time to serialize properties into /tmp/LTLFireability17186512497064293312.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability17506068341377229708.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability17186512497064293312.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 1 LTL properties
Checking formula 0 : !((X(G(("(u2.pl_init_cops<1)")||(X(X(X(F("(((u3.pl_start_cops<1)||(u2.pl_cops_n1<1))||(i5.i2.u6.pl_robber_absent_n1<1))")))))))))
Formula 0 simplified : XF(!"(u2.pl_init_cops<1)" & XXXG!"(((u3.pl_start_cops<1)||(u2.pl_cops_n1<1))||(i5.i2.u6.pl_robber_absent_n1<1))")
Compilation finished in 365 ms.
Running link step : cd /tmp/ltsmin16662041318563193014;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin16662041318563193014;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X([](((LTLAPp0==true)||X(X(X(<>((LTLAPp1==true))))))))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t1, t4, t5, t7, t9, t10, t12, t15, t17, t19, t22, t27, t32, t34, t39, t44, t50, t55, t57, t60...790
Computing Next relation with stutter on 1.91268e+06 deadlock states
51 unique states visited
0 strongly connected components in search stack
51 transitions explored
18 items max in DFS search stack
57794 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,577.957,3370268,1,0,1.58089e+06,2.4439e+06,1769,1.28828e+07,522,4.72082e+07,579756
no accepting run found
Formula 0 is TRUE no accepting run found.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 902766 ms.

BK_STOP 1779532878145

--------------------
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-HRL020X006"
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-HRL020X006, 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-177946967800500"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL020X006.tgz
mv CopsAndRobbers-PT-HRL020X006 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 ;