fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967700484
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CopsAndRobbers-PT-HRL014X002

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
539.264 221991.00 245223.00 636.50 FTTFTFFFTFFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967700484.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-HRL014X002, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700484
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 7.3K Mar 6 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Mar 6 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 134K 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-HRL014X002-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779531540811

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-HRL014X002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 10:19:01] [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 10:19:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:19:02] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2026-05-23 10:19:02] [INFO ] Transformed 80 places.
[2026-05-23 10:19:02] [INFO ] Transformed 158 transitions.
[2026-05-23 10:19:02] [INFO ] Parsed PT model containing 80 places and 158 transitions and 807 arcs in 143 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 158/158 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 66 transition count 158
Applied a total of 14 rules in 17 ms. Remains 66 /80 variables (removed 14) and now considering 158/158 (removed 0) transitions.
Running 130 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-16605567596779314668.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14551238834900134859.kers'
[2026-05-23 10:19:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16605567596779314668.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14551238834900134859.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 158 rows 52 cols 513 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-23 10:19:02] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14551238834900134859.kers
Total runtime 2 ms.
[2026-05-23 10:19:02] [INFO ] State equation strengthened by 42 read => feed constraints.
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 158/224 variables, 66/83 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/224 variables, 42/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 0/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 0/224 variables, 0/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 224/224 variables, and 125 constraints, problems are : Problem set: 28 solved, 102 unsolved in 5656 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 158/224 variables, 66/83 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/224 variables, 42/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 102/227 constraints. Problems are: Problem set: 28 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 224/224 variables, and 227 constraints, problems are : Problem set: 28 solved, 102 unsolved in 20016 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 102/130 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25838ms problems are : Problem set: 28 solved, 102 unsolved
Search for dead transitions found 28 dead transitions in 25853ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 28 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4529343141342146031.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10131276929160452839.kers'
[2026-05-23 10:19:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4529343141342146031.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10131276929160452839.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 130 rows 52 cols 401 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-23 10:19:28] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10131276929160452839.kers
Total runtime 1 ms.
[2026-05-23 10:19:28] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-23 10:19:28] [INFO ] Invariant cache hit.
[2026-05-23 10:19:28] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:19:28] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/80 places, 130/158 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 26104 ms. Remains : 66/80 places, 130/158 transitions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 1 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 sub problems to find dead transitions.
[2026-05-23 10:19:28] [INFO ] Invariant cache hit.
[2026-05-23 10:19:28] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5336 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 3/217 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 25387ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25388ms
[2026-05-23 10:19:53] [INFO ] Invariant cache hit.
[2026-05-23 10:19:53] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-23 10:19:53] [INFO ] Invariant cache hit.
[2026-05-23 10:19:53] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:19:53] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25528 ms. Remains : 66/66 places, 130/130 transitions.
Support contains 35 out of 66 places after structural reductions.
[2026-05-23 10:19:53] [INFO ] Flatten gal took : 29 ms
[2026-05-23 10:19:53] [INFO ] Flatten gal took : 16 ms
[2026-05-23 10:19:54] [INFO ] Input system was already deterministic with 130 transitions.
Support contains 34 out of 66 places (down from 35) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 24 to 22
RANDOM walk for 40002 steps (243 resets) in 988 ms. (40 steps per ms) remains 5/22 properties
BEST_FIRST walk for 40002 steps (154 resets) in 190 ms. (209 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (152 resets) in 93 ms. (425 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (184 resets) in 122 ms. (325 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (172 resets) in 134 ms. (296 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (425 resets) in 77 ms. (512 steps per ms) remains 5/5 properties
[2026-05-23 10:19:54] [INFO ] Invariant cache hit.
[2026-05-23 10:19:54] [INFO ] State equation strengthened by 28 read => feed constraints.
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp11 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp21 is UNSAT
After SMT solving in domain Real declared 33/196 variables, and 8 constraints, problems are : Problem set: 5 solved, 0 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 8/17 constraints, State Equation: 0/66 constraints, ReadFeed: 0/28 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 5 atomic propositions for a total of 11 simplifications.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 29 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:19:54] [INFO ] Invariant cache hit.
[2026-05-23 10:19:55] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 10:19:55] [INFO ] Invariant cache hit.
[2026-05-23 10:19:55] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:19:55] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 296 ms. Remains : 66/66 places, 130/130 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 280 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-00 finished in 647 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 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 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 66 transition count 129
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 65 transition count 129
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 64 transition count 128
Applied a total of 4 rules in 21 ms. Remains 64 /66 variables (removed 2) and now considering 128/130 (removed 2) transitions.
Running 100 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-15729695414881744437.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12202185534743835803.kers'
[2026-05-23 10:19:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15729695414881744437.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12202185534743835803.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 128 rows 50 cols 397 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-23 10:19:55] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12202185534743835803.kers
Total runtime 1 ms.
[2026-05-23 10:19:55] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 8497 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
SMT process timed out in 28535ms, After SMT, problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 28536ms
[2026-05-23 10:20:24] [INFO ] Invariant cache hit.
[2026-05-23 10:20:24] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-23 10:20:24] [INFO ] Invariant cache hit.
[2026-05-23 10:20:24] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:20:24] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2026-05-23 10:20:24] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 128/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 28803 ms. Remains : 64/66 places, 128/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-01
Product exploration explored 100000 steps with 2027 reset in 277 ms.
Product exploration explored 100000 steps with 2026 reset in 209 ms.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge based reduction with 2 factoid took 74 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 20440 steps (137 resets) in 121 ms. (167 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 59 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 272 ms.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 128/128 transitions.
Applied a total of 0 rules in 5 ms. Remains 64 /64 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:20:25] [INFO ] Invariant cache hit.
[2026-05-23 10:20:25] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-23 10:20:25] [INFO ] Invariant cache hit.
[2026-05-23 10:20:25] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:20:25] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2026-05-23 10:20:25] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 246 ms. Remains : 64/64 places, 128/128 transitions.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge based reduction with 2 factoid took 63 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 12171 steps (114 resets) in 20 ms. (579 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 89 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 240 ms.
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2032 reset in 169 ms.
Product exploration explored 100000 steps with 2059 reset in 265 ms.
Built C files in :
/tmp/ltsmin15082328905966457711
[2026-05-23 10:20:26] [INFO ] Computing symmetric may disable matrix : 128 transitions.
[2026-05-23 10:20:26] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:20:26] [INFO ] Computing symmetric may enable matrix : 128 transitions.
[2026-05-23 10:20:26] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:20:26] [INFO ] Computing Do-Not-Accords matrix : 128 transitions.
[2026-05-23 10:20:26] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 10:20:26] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15082328905966457711
Running compilation step : cd /tmp/ltsmin15082328905966457711;'/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 371 ms.
Running link step : cd /tmp/ltsmin15082328905966457711;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin15082328905966457711;'/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/stateBased4133994148160904500.hoa' '--buchi-type=spotba'
LTSmin run took 204 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-01 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-01 finished in 31512 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(!(G(p0) U (!p0 U G((G(p1)||X(X(p0))))))))'
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 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-14670360884477010667.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15514777843548926305.kers'
[2026-05-23 10:20:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14670360884477010667.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15514777843548926305.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 130 rows 52 cols 401 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-23 10:20:27] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15514777843548926305.kers
Total runtime 1 ms.
[2026-05-23 10:20:27] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5136 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 215 constraints, problems are : Problem set: 0 solved, 102 unsolved in 20021 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25182ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25184ms
[2026-05-23 10:20:52] [INFO ] Invariant cache hit.
[2026-05-23 10:20:52] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-23 10:20:52] [INFO ] Invariant cache hit.
[2026-05-23 10:20:52] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:20:52] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25396 ms. Remains : 66/66 places, 130/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(!(G(p0) U (!p0 U G((G(p1)||X(X(p0))))))))'
Stuttering acceptance computed with spot in 231 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0, (AND p1 p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-02
Product exploration explored 100000 steps with 19996 reset in 291 ms.
Product exploration explored 100000 steps with 20022 reset in 212 ms.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge based reduction with 4 factoid took 73 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 10 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (255 resets) in 47 ms. (833 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40003 steps (187 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
[2026-05-23 10:20:53] [INFO ] Invariant cache hit.
[2026-05-23 10:20:53] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/28 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 39/196 variables, and 17 constraints, problems are : Problem set: 1 solved, 0 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 0/66 constraints, ReadFeed: 0/28 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 5 factoid took 101 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 195 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0]
Knowledge-based reduction took 463 ms.
Stuttering acceptance computed with spot in 170 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0]
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:20:53] [INFO ] Invariant cache hit.
[2026-05-23 10:20:53] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-23 10:20:53] [INFO ] Invariant cache hit.
[2026-05-23 10:20:53] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:20:54] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 205 ms. Remains : 66/66 places, 130/130 transitions.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge based reduction with 4 factoid took 78 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
RANDOM walk for 24706 steps (165 resets) in 70 ms. (347 steps per ms) remains 0/2 properties
Knowledge based reduction with 4 factoid took 84 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 5 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0]
Knowledge-based reduction took 348 ms.
Stuttering acceptance computed with spot in 163 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0]
Stuttering acceptance computed with spot in 179 ms :[(OR p0 p1), (OR p0 p1), p0, p1, p0]
Product exploration explored 100000 steps with 20043 reset in 163 ms.
Product exploration explored 100000 steps with 20068 reset in 171 ms.
Spot run failed in 72 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/ltsmin5406984603850072318
[2026-05-23 10:20:55] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5406984603850072318
Running compilation step : cd /tmp/ltsmin5406984603850072318;'/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 225 ms.
Running link step : cd /tmp/ltsmin5406984603850072318;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin5406984603850072318;'/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/stateBased13826932559647038472.hoa' '--buchi-type=spotba'
LTSmin run took 373 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-02 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-02 finished in 28801 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U p1)))'
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Skipped dead transition search.
[2026-05-23 10:20:55] [INFO ] Invariant cache hit.
[2026-05-23 10:20:55] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-23 10:20:55] [INFO ] Invariant cache hit.
[2026-05-23 10:20:55] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:20:56] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 212 ms. Remains : 66/66 places, 130/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U p1)))'
Stuttering acceptance computed with spot in 111 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-05 finished in 351 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 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 66 transition count 129
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 65 transition count 129
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 64 transition count 128
Applied a total of 4 rules in 15 ms. Remains 64 /66 variables (removed 2) and now considering 128/130 (removed 2) transitions.
Running 100 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-7961574980145010860.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11731395942067816473.kers'
[2026-05-23 10:20:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7961574980145010860.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11731395942067816473.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 128 rows 50 cols 397 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-23 10:20:56] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11731395942067816473.kers
Total runtime 1 ms.
[2026-05-23 10:20:56] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 8307 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
SMT process timed out in 28348ms, After SMT, problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 28349ms
[2026-05-23 10:21:24] [INFO ] Invariant cache hit.
[2026-05-23 10:21:24] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-23 10:21:24] [INFO ] Invariant cache hit.
[2026-05-23 10:21:24] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:21:24] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
[2026-05-23 10:21:24] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 128/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 28588 ms. Remains : 64/66 places, 128/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-06
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-06 finished in 28646 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(G(!p1)))&&X(p1)))'
Support contains 6 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 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-16695367628664947406.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14294252923578537686.kers'
[2026-05-23 10:21:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16695367628664947406.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14294252923578537686.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 130 rows 52 cols 401 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-23 10:21:24] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14294252923578537686.kers
Total runtime 1 ms.
[2026-05-23 10:21:24] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5128 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 218 constraints, problems are : Problem set: 0 solved, 102 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25159ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25160ms
[2026-05-23 10:21:50] [INFO ] Invariant cache hit.
[2026-05-23 10:21:50] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-23 10:21:50] [INFO ] Invariant cache hit.
[2026-05-23 10:21:50] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:21:50] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25349 ms. Remains : 66/66 places, 130/130 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 X(G(!p1)))&&X(p1)))'
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p1), p1, p1, true]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-11
Entered a terminal (fully accepting) state of product in 11 steps with 1 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-11 finished in 25532 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 65 transition count 129
Applied a total of 2 rules in 13 ms. Remains 65 /66 variables (removed 1) and now considering 129/130 (removed 1) transitions.
Running 101 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-16723243740013998288.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9368448948611969058.kers'
[2026-05-23 10:21:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16723243740013998288.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9368448948611969058.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 129 rows 51 cols 399 entries
Finished phase 1 with 48 SingleSign rule and 0 generalized
[2026-05-23 10:21:50] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9368448948611969058.kers
Total runtime 3 ms.
[2026-05-23 10:21:50] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6345 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26380ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 26381ms
[2026-05-23 10:22:16] [INFO ] Invariant cache hit.
[2026-05-23 10:22:16] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-23 10:22:16] [INFO ] Invariant cache hit.
[2026-05-23 10:22:16] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:22:17] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2026-05-23 10:22:17] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 129/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 26644 ms. Remains : 65/66 places, 129/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-12
Stuttering criterion allowed to conclude after 72 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-12 finished in 26705 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||X(X(p1)))))))'
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 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-15022518861746062041.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8758111050500112414.kers'
[2026-05-23 10:22:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15022518861746062041.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8758111050500112414.kers]
Culling duplicate invariants (modulo rational): removing 14 columns.
Culled 14 columns in 0 ms.
// Phase 1: matrix 130 rows 52 cols 401 entries
Finished phase 1 with 49 SingleSign rule and 0 generalized
[2026-05-23 10:22:17] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8758111050500112414.kers
Total runtime 1 ms.
[2026-05-23 10:22:17] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5170 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 25210ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25210ms
[2026-05-23 10:22:42] [INFO ] Invariant cache hit.
[2026-05-23 10:22:42] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-23 10:22:42] [INFO ] Invariant cache hit.
[2026-05-23 10:22:42] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-23 10:22:42] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25445 ms. Remains : 66/66 places, 130/130 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(X(p0))||p1)))))'
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), true]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-15
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-15 finished in 25650 ms.
All properties solved by simple procedures.
Total runtime 220880 ms.

BK_STOP 1779531762802

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CopsAndRobbers-PT-HRL014X002"
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-HRL014X002, 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-177946967700484"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL014X002.tgz
mv CopsAndRobbers-PT-HRL014X002 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 ;