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.r194-tall-177969913900060.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 Murphy-PT-D1N010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913900060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.9K Mar 8 14:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Mar 8 14:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 8 14:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 8 14:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 16 08:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 16 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 16 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 8 14:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 8 14:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 8 14:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 8 14:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 7.6K 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 Murphy-PT-D1N010-LTLFireability-00
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-01
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-02
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-03
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-04
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-05
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-06
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-07
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-08
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-09
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-10
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-11
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-12
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-13
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-14
FORMULA_NAME Murphy-PT-D1N010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779708242090

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D1N010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 11:24:03] [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]
[2026-05-25 11:24:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:24:03] [INFO ] Load time of PNML (sax parser for PT used): 30 ms
[2026-05-25 11:24:03] [INFO ] Transformed 12 places.
[2026-05-25 11:24:03] [INFO ] Transformed 14 transitions.
[2026-05-25 11:24:03] [INFO ] Parsed PT model containing 12 places and 14 transitions and 54 arcs in 115 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Murphy-PT-D1N010-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 11 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 8 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Running 8 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-11888301737458727231.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16518388357470999960.kers'
[2026-05-25 11:24:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11888301737458727231.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16518388357470999960.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 14 rows 10 cols 34 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-25 11:24:03] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16518388357470999960.kers
Total runtime 1 ms.
[2026-05-25 11:24:03] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 14/24 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 2/26 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/26 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 19 constraints, problems are : Problem set: 0 solved, 8 unsolved in 298 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 14/24 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 2/26 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/26 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/26 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 27 constraints, problems are : Problem set: 0 solved, 8 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 536ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 548ms
[2026-05-25 11:24:04] [INFO ] Invariant cache hit.
[2026-05-25 11:24:04] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 11:24:04] [INFO ] Invariant cache hit.
[2026-05-25 11:24:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 11:24:04] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 690 ms. Remains : 12/12 places, 14/14 transitions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:04] [INFO ] Invariant cache hit.
[2026-05-25 11:24:04] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 11:24:04] [INFO ] Invariant cache hit.
[2026-05-25 11:24:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 11:24:04] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 51 ms. Remains : 12/12 places, 14/14 transitions.
Support contains 11 out of 12 places after structural reductions.
[2026-05-25 11:24:04] [INFO ] Flatten gal took : 16 ms
[2026-05-25 11:24:04] [INFO ] Flatten gal took : 4 ms
[2026-05-25 11:24:04] [INFO ] Input system was already deterministic with 14 transitions.
Reduction of identical properties reduced properties to check from 19 to 18
RANDOM walk for 40011 steps (8 resets) in 868 ms. (46 steps per ms) remains 4/18 properties
BEST_FIRST walk for 40003 steps (8 resets) in 196 ms. (203 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 135 ms. (294 steps per ms) remains 4/4 properties
[2026-05-25 11:24:05] [INFO ] Invariant cache hit.
[2026-05-25 11:24:05] [INFO ] State equation strengthened by 4 read => feed constraints.
Problem AtomicPropp18 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 2/14 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 6/20 variables, 2/10 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/10 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6/26 variables, 6/16 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/26 variables, 1/17 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/26 variables, 2/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/26 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/26 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 19 constraints, problems are : Problem set: 1 solved, 3 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 2/14 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 6/20 variables, 2/13 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 6/26 variables, 6/19 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/26 variables, 1/20 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/26 variables, 2/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/26 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/26 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 22 constraints, problems are : Problem set: 1 solved, 3 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 1 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 21 ms.
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 14/14 transitions.
Graph (complete) has 46 edges and 12 vertex of which 6 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 6 transition count 8
Applied a total of 3 rules in 20 ms. Remains 6 /12 variables (removed 6) and now considering 8/14 (removed 6) transitions.
Running 6 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-17528271228630834044.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4359280692453039095.kers'
[2026-05-25 11:24:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17528271228630834044.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4359280692453039095.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 6 cols 18 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-25 11:24:05] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4359280692453039095.kers
Total runtime 0 ms.
[2026-05-25 11:24:05] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 2/14 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 49 ms.
Refiners :[State Equation: 6/6 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 2/14 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 88 ms.
Refiners :[State Equation: 6/6 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 143ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 144ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 6/12 places, 8/14 transitions.
RANDOM walk for 40000 steps (8 resets) in 413 ms. (96 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (8 resets) in 96 ms. (412 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 61 ms. (645 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
Probably explored full state space saw : 36 states, properties seen :0
Probabilistic random walk after 132 steps, saw 36 distinct states, run finished after 8 ms. (steps per millisecond=16 ) properties seen :0
Explored full state space saw : 36 states, properties seen :0
Exhaustive walk after 132 steps, saw 36 distinct states, run finished after 3 ms. (steps per millisecond=44 ) properties seen :0
Successfully simplified 4 atomic propositions for a total of 15 simplifications.
FORMULA Murphy-PT-D1N010-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA Murphy-PT-D1N010-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Murphy-PT-D1N010-LTLFireability-13 FALSE 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(X(F((p0||X((G(p1) U (p0&&G(p1)))))))))'
Support contains 1 out of 12 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Running 8 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-5393205435080815941.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3986681629843469633.kers'
[2026-05-25 11:24:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5393205435080815941.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3986681629843469633.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 14 rows 10 cols 34 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-25 11:24:06] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3986681629843469633.kers
Total runtime 0 ms.
[2026-05-25 11:24:06] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 14/24 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 2/26 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/26 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 19 constraints, problems are : Problem set: 0 solved, 8 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 14/24 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 2/26 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/26 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/26 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 27 constraints, problems are : Problem set: 0 solved, 8 unsolved in 218 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 353ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 353ms
[2026-05-25 11:24:06] [INFO ] Invariant cache hit.
[2026-05-25 11:24:06] [INFO ] Implicit Places using invariants in 23 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 381 ms. Remains : 11/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0||X((G(p1) U (p0&&G(p1)))))))))'
Stuttering acceptance computed with spot in 263 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-01
Product exploration explored 100000 steps with 14685 reset in 203 ms.
Stack based approach found an accepted trace after 44 steps with 6 reset with depth 10 and stack size 10 in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-01 finished in 929 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(p0))&&(p1||X(G(p2))))))'
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:07] [INFO ] Invariant cache hit.
[2026-05-25 11:24:07] [INFO ] Implicit Places using invariants in 28 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 30 ms. Remains : 10/12 places, 14/14 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(p0))&&(p1||X(G(p2))))))'
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (NOT p0), true]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-02
Entered a terminal (fully accepting) state of product in 27 steps with 6 reset in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-02 finished in 288 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((p0||G(!p1))))'
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 3 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:07] [INFO ] Invariant cache hit.
[2026-05-25 11:24:07] [INFO ] Implicit Places using invariants in 29 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 34 ms. Remains : 11/12 places, 14/14 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((G(p0)||p1)))'
Stuttering acceptance computed with spot in 99 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 1 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-03 finished in 156 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 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:07] [INFO ] Invariant cache hit.
[2026-05-25 11:24:07] [INFO ] Implicit Places using invariants in 19 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 21 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 23 ms. Remains : 10/12 places, 14/14 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 : Murphy-PT-D1N010-LTLFireability-04
Product exploration explored 100000 steps with 15001 reset in 107 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-04 finished in 187 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))||G(p1)))'
Support contains 2 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:07] [INFO ] Invariant cache hit.
[2026-05-25 11:24:07] [INFO ] Implicit Places using invariants in 23 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 24 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 24 ms. Remains : 10/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(F(p0)))||G(p1)))'
Stuttering acceptance computed with spot in 186 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-05
Product exploration explored 100000 steps with 20157 reset in 176 ms.
Stack based approach found an accepted trace after 400 steps with 85 reset with depth 7 and stack size 7 in 1 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-05 finished in 417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((!p0||F(G(!p1))))))'
Support contains 2 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:08] [INFO ] Invariant cache hit.
[2026-05-25 11:24:08] [INFO ] Implicit Places using invariants in 24 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 25 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 27 ms. Remains : 10/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0||F(G(p1))))))'
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 138 ms.
Stack based approach found an accepted trace after 44 steps with 0 reset with depth 45 and stack size 44 in 1 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-06 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (!p1 U p2))))'
Support contains 2 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:08] [INFO ] Invariant cache hit.
[2026-05-25 11:24:08] [INFO ] Implicit Places using invariants in 34 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 10/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (!p1 U p2))))'
Stuttering acceptance computed with spot in 133 ms :[(NOT p2), true, (NOT p2), (NOT p2)]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 1 reset in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-07 finished in 201 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)&&F(G(p1)))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:08] [INFO ] Invariant cache hit.
[2026-05-25 11:24:08] [INFO ] Implicit Places using invariants in 21 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/12 places, 14/14 transitions.
Applied a total of 0 rules in 3 ms. Remains 11 /11 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 30 ms. Remains : 11/12 places, 14/14 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-08
Product exploration explored 100000 steps with 5 reset in 140 ms.
Stack based approach found an accepted trace after 2 steps with 0 reset with depth 3 and stack size 3 in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-08 finished in 322 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p1)))'
Support contains 7 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:08] [INFO ] Invariant cache hit.
[2026-05-25 11:24:09] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 11:24:09] [INFO ] Invariant cache hit.
[2026-05-25 11:24:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 11:24:09] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2026-05-25 11:24:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 57 ms. Remains : 12/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p1)))'
Stuttering acceptance computed with spot in 106 ms :[p1, true, p1]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-09
Entered a terminal (fully accepting) state of product in 253 steps with 0 reset in 2 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-09 finished in 193 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 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:09] [INFO ] Invariant cache hit.
[2026-05-25 11:24:09] [INFO ] Implicit Places using invariants in 21 ms returned [4, 5]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 14/14 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27 ms. Remains : 10/12 places, 14/14 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 : Murphy-PT-D1N010-LTLFireability-10
Product exploration explored 100000 steps with 2099 reset in 111 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-10 finished in 249 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(!p0) U (F(p1)&&(F(p0) U X(!p2))))))'
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:09] [INFO ] Invariant cache hit.
[2026-05-25 11:24:09] [INFO ] Implicit Places using invariants in 22 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 32 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 11/12 places, 14/14 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(!p0) U (F(p1)&&(F(p0) U X(!p2))))))'
Stuttering acceptance computed with spot in 318 ms :[(OR (NOT p1) p2), (NOT p1), (AND (NOT p1) (NOT p0) p2), p2, (AND (NOT p1) (NOT p0)), p2, (AND (NOT p0) p2), (NOT p0)]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-11
Product exploration explored 100000 steps with 25955 reset in 100 ms.
Stack based approach found an accepted trace after 50 steps with 15 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-11 finished in 508 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(X(G(p0)))) U X(p1)))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 14/14 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Skipped dead transition search.
[2026-05-25 11:24:09] [INFO ] Invariant cache hit.
[2026-05-25 11:24:09] [INFO ] Implicit Places using invariants in 25 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 11/12 places, 14/14 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 11/12 places, 14/14 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(X(G(p0)))) U X(p1)))'
Stuttering acceptance computed with spot in 302 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : Murphy-PT-D1N010-LTLFireability-14
Entered a terminal (fully accepting) state of product in 34 steps with 1 reset in 0 ms.
FORMULA Murphy-PT-D1N010-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Murphy-PT-D1N010-LTLFireability-14 finished in 366 ms.
All properties solved by simple procedures.
Total runtime 7003 ms.

BK_STOP 1779708250328

--------------------
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="Murphy-PT-D1N010"
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 Murphy-PT-D1N010, 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 r194-tall-177969913900060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D1N010.tgz
mv Murphy-PT-D1N010 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 ;