fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r162-smll-177961107800348
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for LamportFastMutEx-COL-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
419.731 64733.00 86650.00 412.10 FFFFFFFFFTFTFFFF 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.r162-smll-177961107800348.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is LamportFastMutEx-COL-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800348
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 420K
-rw-r--r-- 1 mcc users 7.6K Mar 7 16:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 16:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 7 16:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 16:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 7 16:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 39K 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 LamportFastMutEx-COL-3-LTLFireability-00
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-01
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-02
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-03
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-04
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-05
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-06
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-07
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-08
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-09
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-10
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-11
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-12
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-13
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-14
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779840805802

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-27 00:13:27] [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]
[2026-05-27 00:13:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 00:13:27] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-27 00:13:28] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 00:13:28] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 934 ms
[2026-05-27 00:13:28] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 29 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
[2026-05-27 00:13:29] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 7 ms.
[2026-05-27 00:13:29] [INFO ] Skeletonized 13 HLPN properties in 4 ms. Removed 3 properties that had guard overlaps.
Initial state reduction rules removed 3 formulas.
FORMULA LamportFastMutEx-COL-3-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 9 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 307 steps (0 resets) in 37 ms. (8 steps per ms) remains 0/13 properties
[2026-05-27 00:13:29] [INFO ] Flatten gal took : 25 ms
[2026-05-27 00:13:29] [INFO ] Flatten gal took : 4 ms
Domain [pid(4), pid(4)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-27 00:13:29] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 38 ms.
[2026-05-27 00:13:29] [INFO ] Unfolded 12 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
FORMULA LamportFastMutEx-COL-3-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 9 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2026-05-27 00:13:29] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13685535070532855180.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14826807764857792864.kers'
[2026-05-27 00:13:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13685535070532855180.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14826807764857792864.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 96 rows 68 cols 276 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-27 00:13:29] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14826807764857792864.kers
Total runtime 2 ms.
[2026-05-27 00:13:29] [INFO ] Implicit Places using invariants in 272 ms returned []
[2026-05-27 00:13:29] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2026-05-27 00:13:29] [INFO ] Invariant cache hit.
[2026-05-27 00:13:29] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-27 00:13:29] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 502 ms to find 0 implicit places.
Running 111 sub problems to find dead transitions.
[2026-05-27 00:13:29] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2026-05-27 00:13:29] [INFO ] Invariant cache hit.
[2026-05-27 00:13:29] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 111 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 20/37 constraints. Problems are: Problem set: 17 solved, 94 unsolved
Problem TDEAD51 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 15/52 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 2/54 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 3/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/57 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/128 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/155 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 1/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 0/156 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (OVERLAPS) 0/167 variables, 1/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (OVERLAPS) 0/167 variables, 0/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 157 constraints, problems are : Problem set: 18 solved, 93 unsolved in 12390 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 93 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 23/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/28 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 3/71 variables, 12/40 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 19/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/59 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 96/167 variables, 71/130 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/167 variables, 27/157 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 93/250 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 1/251 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/252 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 1/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
At refinement iteration 13 (OVERLAPS) 0/167 variables, 0/253 constraints. Problems are: Problem set: 18 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 253 constraints, problems are : Problem set: 18 solved, 93 unsolved in 12588 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 93/111 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25104ms problems are : Problem set: 18 solved, 93 unsolved
Search for dead transitions found 18 dead transitions in 25123ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in LTL mode, iteration 1 : 71/71 places, 96/114 transitions.
Applied a total of 0 rules in 3 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25681 ms. Remains : 71/71 places, 96/114 transitions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:13:55] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-159465406997385749.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15918844246759924977.kers'
[2026-05-27 00:13:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-159465406997385749.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15918844246759924977.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 84 rows 68 cols 252 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-27 00:13:55] [INFO ] Computed 17 invariants in 1 ms
Computed 17 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15918844246759924977.kers
Total runtime 2 ms.
[2026-05-27 00:13:55] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-27 00:13:55] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:13:55] [INFO ] Invariant cache hit.
[2026-05-27 00:13:55] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:13:55] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Running 93 sub problems to find dead transitions.
[2026-05-27 00:13:55] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:13:55] [INFO ] Invariant cache hit.
[2026-05-27 00:13:55] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 2 (OVERLAPS) 3/71 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 7/54 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/71 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/71 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 9 (OVERLAPS) 84/155 variables, 71/127 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 24/151 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 13 (OVERLAPS) 0/155 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 152 constraints, problems are : Problem set: 0 solved, 93 unsolved in 11603 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 93/93 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 93 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/68 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 3/71 variables, 12/38 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 18/56 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 84/155 variables, 71/127 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 24/151 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/155 variables, 93/244 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/155 variables, 2/246 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 13 (OVERLAPS) 0/155 variables, 2/250 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/155 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 15 (OVERLAPS) 0/155 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 250 constraints, problems are : Problem set: 0 solved, 93 unsolved in 16435 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 71/71 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 93/93 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 28076ms problems are : Problem set: 0 solved, 93 unsolved
Search for dead transitions found 0 dead transitions in 28078ms
Finished structural reductions in LTL mode , in 1 iterations and 28249 ms. Remains : 71/71 places, 96/96 transitions.
Support contains 65 out of 71 places after structural reductions.
[2026-05-27 00:14:23] [INFO ] Flatten gal took : 27 ms
[2026-05-27 00:14:23] [INFO ] Flatten gal took : 27 ms
[2026-05-27 00:14:23] [INFO ] Input system was already deterministic with 96 transitions.
Reduction of identical properties reduced properties to check from 18 to 16
RANDOM walk for 302 steps (0 resets) in 31 ms. (9 steps per ms) remains 0/16 properties
FORMULA LamportFastMutEx-COL-3-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 3 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((G(((G(p0) U p1) U p2)) U (p1 U X(p3)))))'
Support contains 34 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:24] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:24] [INFO ] Invariant cache hit.
[2026-05-27 00:14:24] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-27 00:14:24] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:24] [INFO ] Invariant cache hit.
[2026-05-27 00:14:24] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:14:24] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 183 ms. Remains : 71/71 places, 96/96 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(((G(p0) U p1) U p2)) U (p1 U X(p3)))))'
Stuttering acceptance computed with spot in 799 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), (OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p1) p2 (NOT p3))), (AND (NOT p2) (NOT p3)), true, (NOT p0), (NOT p1), (NOT p2), (NOT p2)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-00
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 3 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-00 finished in 1130 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 G(p1))&&X(F((p2&&F(p0)))))))'
Support contains 29 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 4 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:25] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:25] [INFO ] Invariant cache hit.
[2026-05-27 00:14:25] [INFO ] Implicit Places using invariants in 103 ms returned []
[2026-05-27 00:14:25] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:25] [INFO ] Invariant cache hit.
[2026-05-27 00:14:25] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:14:25] [INFO ] Implicit Places using invariants and state equation in 203 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 71/71 places, 96/96 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 G(p1))&&X(F((p2&&F(p0)))))))'
Stuttering acceptance computed with spot in 280 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p1) (NOT p0) (NOT p2)), true, (NOT p1), (NOT p1), (OR (NOT p2) (NOT p0)), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-01 finished in 660 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((G(p0) U X(p1)))) U (p2 U p3)))'
Support contains 28 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:25] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:25] [INFO ] Invariant cache hit.
[2026-05-27 00:14:25] [INFO ] Implicit Places using invariants in 72 ms returned []
[2026-05-27 00:14:25] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:25] [INFO ] Invariant cache hit.
[2026-05-27 00:14:25] [INFO ] State equation strengthened by 24 read => feed constraints.
[2026-05-27 00:14:26] [INFO ] Implicit Places using invariants and state equation in 130 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 207 ms. Remains : 71/71 places, 96/96 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X((G(p0) U X(p1)))) U (p2 U p3)))'
Stuttering acceptance computed with spot in 530 ms :[(NOT p3), (NOT p1), (AND (NOT p1) (NOT p3)), (NOT p1), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p3)), (NOT p0), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p0) p1 (NOT p3))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-07 finished in 794 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 6 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 93
Applied a total of 6 rules in 22 ms. Remains 68 /71 variables (removed 3) and now considering 93/96 (removed 3) transitions.
[2026-05-27 00:14:26] [INFO ] Flow matrix only has 81 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14714456816981162892.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6863463723274643538.kers'
[2026-05-27 00:14:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14714456816981162892.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6863463723274643538.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 81 rows 65 cols 246 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-27 00:14:26] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6863463723274643538.kers
Total runtime 1 ms.
[2026-05-27 00:14:26] [INFO ] Implicit Places using invariants in 111 ms returned [44, 45, 46]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 113 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/71 places, 93/96 transitions.
Applied a total of 0 rules in 6 ms. Remains 65 /65 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 142 ms. Remains : 65/71 places, 93/96 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 40 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-08
Product exploration explored 100000 steps with 3183 reset in 393 ms.
Stack based approach found an accepted trace after 1069 steps with 36 reset with depth 27 and stack size 27 in 4 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-08 finished in 613 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((p1&&X(X(X(F(p2)))))))||p0)))'
Support contains 13 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:27] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13779825376287322593.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9215226572520715041.kers'
[2026-05-27 00:14:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13779825376287322593.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9215226572520715041.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 84 rows 68 cols 252 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-27 00:14:27] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9215226572520715041.kers
Total runtime 1 ms.
[2026-05-27 00:14:27] [INFO ] Implicit Places using invariants in 100 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 101 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 105 ms. Remains : 68/71 places, 96/96 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((p1&&X(X(X(F(p2)))))))||p0)))'
Stuttering acceptance computed with spot in 234 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 167 ms.
Product exploration explored 100000 steps with 50000 reset in 212 ms.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Knowledge based reduction with 2 factoid took 80 ms. Proved property starting from automaton with 6 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 87 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-3-LTLFireability-09 finished in 842 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(p0))))'
Support contains 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 93
Applied a total of 6 rules in 9 ms. Remains 68 /71 variables (removed 3) and now considering 93/96 (removed 3) transitions.
[2026-05-27 00:14:28] [INFO ] Flow matrix only has 81 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16407371888976724753.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6688338976466714523.kers'
[2026-05-27 00:14:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16407371888976724753.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6688338976466714523.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 81 rows 65 cols 246 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-27 00:14:28] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6688338976466714523.kers
Total runtime 1 ms.
[2026-05-27 00:14:28] [INFO ] Implicit Places using invariants in 92 ms returned [44, 45, 46]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 94 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/71 places, 93/96 transitions.
Applied a total of 0 rules in 7 ms. Remains 65 /65 variables (removed 0) and now considering 93/93 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 110 ms. Remains : 65/71 places, 93/96 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(!p0))))'
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), p0]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-10
Product exploration explored 100000 steps with 1663 reset in 207 ms.
Stack based approach found an accepted trace after 189 steps with 3 reset with depth 42 and stack size 42 in 1 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-10 finished in 477 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(p1)||p0)) U !p2)))'
Support contains 19 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:28] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2588157591268713698.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2554874668320043137.kers'
[2026-05-27 00:14:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2588157591268713698.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2554874668320043137.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 84 rows 68 cols 252 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-27 00:14:28] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2554874668320043137.kers
Total runtime 1 ms.
[2026-05-27 00:14:28] [INFO ] Implicit Places using invariants in 95 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 96 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 99 ms. Remains : 68/71 places, 96/96 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(p1)||p0)) U !p2)))'
Stuttering acceptance computed with spot in 173 ms :[p1, p2, true, p2, (OR p1 p0 p2)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 90 ms.
Product exploration explored 100000 steps with 50000 reset in 93 ms.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 8 factoid took 11 ms. Proved property starting from automaton with 5 states, 8 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 14 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-3-LTLFireability-11 finished in 506 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((G(F((p0 U (G(p0)||(p0&&G(p1))))))||(F((p0 U (G(p0)||(p0&&G(p1)))))&&X(p2)))))))'
Support contains 13 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:29] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:29] [INFO ] Invariant cache hit.
[2026-05-27 00:14:29] [INFO ] Implicit Places using invariants in 93 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 94 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 97 ms. Remains : 68/71 places, 96/96 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((G(F((p0 U (G(p0)||(p0&&G(p1))))))||(F((p0 U (G(p0)||(p0&&G(p1)))))&&X(p2)))))))'
Stuttering acceptance computed with spot in 272 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-12
Product exploration explored 100000 steps with 0 reset in 331 ms.
Stack based approach found an accepted trace after 90 steps with 0 reset with depth 91 and stack size 91 in 1 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-12 finished in 758 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)&&F(p1)))'
Support contains 13 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:29] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:29] [INFO ] Invariant cache hit.
[2026-05-27 00:14:29] [INFO ] Implicit Places using invariants in 119 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 120 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 96/96 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 122 ms. Remains : 68/71 places, 96/96 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)&&F(p1)))'
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-13
Entered a terminal (fully accepting) state of product in 36 steps with 2 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-13 finished in 302 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 U (G(!p0)||p1)) U (G((!p0 U (p1||G(!p0))))||(X(p2)&&(!p0 U (p1||G(!p0))))))))))'
Support contains 17 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-27 00:14:30] [INFO ] Flow matrix only has 84 transitions (discarded 12 similar events)
[2026-05-27 00:14:30] [INFO ] Invariant cache hit.
[2026-05-27 00:14:30] [INFO ] Implicit Places using invariants in 86 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 87 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 96/96 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 91 ms. Remains : 68/71 places, 96/96 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 U (G(!p0)||p1)) U (G((!p0 U (p1||G(!p0))))||(X(p2)&&(!p0 U (p1||G(!p0))))))))))'
Stuttering acceptance computed with spot in 265 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1)), true, (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-14 finished in 393 ms.
All properties solved by simple procedures.
Total runtime 62812 ms.

BK_STOP 1779840870535

--------------------
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="LamportFastMutEx-COL-3"
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 LamportFastMutEx-COL-3, 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 r162-smll-177961107800348"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-3.tgz
mv LamportFastMutEx-COL-3 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 ;