About the Execution of ITS-Tools for DoubleLock-PT-p3s2
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 958.960 | 268709.00 | 320825.00 | 890.90 | FFFTFFTFFTFFFFTF | 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.r114-smll-177955740400051.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 DoubleLock-PT-p3s2, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400051
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 330K 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 DoubleLock-PT-p3s2-LTLCardinality-00
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-01
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-02
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-03
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-04
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-05
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-06
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-07
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-08
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-09
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-10
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-11
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-12
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-13
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-14
FORMULA_NAME DoubleLock-PT-p3s2-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779622951224
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p3s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-24 11:42:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 11:42:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 11:42:34] [INFO ] Load time of PNML (sax parser for PT used): 271 ms
[2026-05-24 11:42:34] [INFO ] Transformed 112 places.
[2026-05-24 11:42:34] [INFO ] Transformed 744 transitions.
[2026-05-24 11:42:34] [INFO ] Parsed PT model containing 112 places and 744 transitions and 3008 arcs in 506 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 20 places and 32 transitions.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 712/712 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 90 transition count 712
Applied a total of 2 rules in 51 ms. Remains 90 /92 variables (removed 2) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:42:34] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15195218781520188364.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4624788840771118846.kers'
[2026-05-24 11:42:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15195218781520188364.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4624788840771118846.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 515 rows 90 cols 1958 entries
Finished phase 1 with 87 SingleSign rule and 1 generalized
[2026-05-24 11:42:34] [INFO ] Computed 2 invariants in 4 ms
Computed 2 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-4624788840771118846.kers
Total runtime 6 ms.
[2026-05-24 11:42:35] [INFO ] Implicit Places using invariants in 507 ms returned []
[2026-05-24 11:42:35] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:42:35] [INFO ] Invariant cache hit.
[2026-05-24 11:42:35] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:42:36] [INFO ] Implicit Places using invariants and state equation in 799 ms returned []
Implicit Place search using SMT with State Equation took 1395 ms to find 0 implicit places.
Running 710 sub problems to find dead transitions.
[2026-05-24 11:42:36] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:42:36] [INFO ] Invariant cache hit.
[2026-05-24 11:42:36] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (OVERLAPS) 1/605 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 605/605 variables, and 139 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 32/170 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 604/605 variables, and 170 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 32/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61156ms problems are : Problem set: 0 solved, 710 unsolved
Search for dead transitions found 0 dead transitions in 61204ms
Starting structural reductions in LTL mode, iteration 1 : 90/92 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62735 ms. Remains : 90/92 places, 712/712 transitions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Applied a total of 0 rules in 12 ms. Remains 90 /90 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:43:37] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:43:37] [INFO ] Invariant cache hit.
[2026-05-24 11:43:37] [INFO ] Implicit Places using invariants in 179 ms returned []
[2026-05-24 11:43:37] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:43:37] [INFO ] Invariant cache hit.
[2026-05-24 11:43:37] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:43:38] [INFO ] Implicit Places using invariants and state equation in 609 ms returned []
Implicit Place search using SMT with State Equation took 792 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 807 ms. Remains : 90/90 places, 712/712 transitions.
Support contains 33 out of 90 places after structural reductions.
[2026-05-24 11:43:38] [INFO ] Flatten gal took : 182 ms
[2026-05-24 11:43:38] [INFO ] Flatten gal took : 117 ms
[2026-05-24 11:43:39] [INFO ] Input system was already deterministic with 712 transitions.
RANDOM walk for 40010 steps (464 resets) in 1864 ms. (21 steps per ms) remains 9/27 properties
BEST_FIRST walk for 40002 steps (95 resets) in 344 ms. (115 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (97 resets) in 102 ms. (388 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (76 resets) in 162 ms. (245 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (95 resets) in 120 ms. (330 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (104 resets) in 87 ms. (454 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (99 resets) in 88 ms. (449 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (101 resets) in 94 ms. (421 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (109 resets) in 72 ms. (548 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (100 resets) in 69 ms. (571 steps per ms) remains 9/9 properties
[2026-05-24 11:43:40] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:43:40] [INFO ] Invariant cache hit.
[2026-05-24 11:43:40] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 29/38 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 340/378 variables, 38/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/378 variables, 12/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/378 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 214/592 variables, 39/90 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/592 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/592 variables, 35/126 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/592 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp26 is UNSAT
At refinement iteration 10 (OVERLAPS) 13/605 variables, 13/139 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/605 variables, 0/139 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/605 variables, 0/139 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 139 constraints, problems are : Problem set: 8 solved, 1 unsolved in 765 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 1/1 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 402/437 variables, 18/19 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/437 variables, 1/20 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/437 variables, 0/20 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 162/599 variables, 65/85 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/599 variables, 1/86 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/599 variables, 47/133 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/599 variables, 1/134 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/599 variables, 0/134 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/605 variables, 1/135 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/605 variables, 6/141 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/605 variables, 0/141 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/605 variables, 0/141 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 605/605 variables, and 141 constraints, problems are : Problem set: 8 solved, 1 unsolved in 802 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 1/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1592ms problems are : Problem set: 8 solved, 1 unsolved
Parikh walk visited 0 properties in 94 ms.
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 712/712 transitions.
Graph (complete) has 1211 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.5 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 89 transition count 704
Applied a total of 9 rules in 83 ms. Remains 89 /90 variables (removed 1) and now considering 704/712 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 89/90 places, 704/712 transitions.
RANDOM walk for 40010 steps (465 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (97 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 736003 steps, run timeout after 3001 ms. (steps per millisecond=245 ) properties seen :0 out of 1
Probabilistic random walk after 736003 steps, saw 539131 distinct states, run finished after 3006 ms. (steps per millisecond=244 ) properties seen :0
[2026-05-24 11:43:44] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5061993474453556574.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17678055184990544933.kers'
[2026-05-24 11:43:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5061993474453556574.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17678055184990544933.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 507 rows 89 cols 1926 entries
Finished phase 1 with 86 SingleSign rule and 0 generalized
[2026-05-24 11:43:44] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17678055184990544933.kers
Total runtime 3 ms.
[2026-05-24 11:43:44] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 394/429 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 50/479 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 16/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/479 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 117/596 variables, 54/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/596 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/596 variables, 47/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/596 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/596 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 596/596 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 390 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 394/429 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/429 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/429 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/479 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 16/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/479 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/479 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 117/596 variables, 54/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/596 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/596 variables, 47/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/596 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/596 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/596 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 596/596 variables, and 142 constraints, problems are : Problem set: 0 solved, 1 unsolved in 598 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1005ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 39 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 89/89 places, 704/704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 704/704 transitions.
Applied a total of 0 rules in 35 ms. Remains 89 /89 variables (removed 0) and now considering 704/704 (removed 0) transitions.
[2026-05-24 11:43:46] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:43:46] [INFO ] Invariant cache hit.
[2026-05-24 11:43:46] [INFO ] Implicit Places using invariants in 250 ms returned []
[2026-05-24 11:43:46] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:43:46] [INFO ] Invariant cache hit.
[2026-05-24 11:43:46] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:43:46] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 955 ms to find 0 implicit places.
[2026-05-24 11:43:47] [INFO ] Redundant transitions in 73 ms returned []
Running 702 sub problems to find dead transitions.
[2026-05-24 11:43:47] [INFO ] Flow matrix only has 507 transitions (discarded 197 similar events)
[2026-05-24 11:43:47] [INFO ] Invariant cache hit.
[2026-05-24 11:43:47] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 702 unsolved
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD477 is UNSAT
Problem TDEAD478 is UNSAT
Problem TDEAD482 is UNSAT
Problem TDEAD485 is UNSAT
Problem TDEAD486 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD496 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD536 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD545 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD555 is UNSAT
Problem TDEAD556 is UNSAT
Problem TDEAD557 is UNSAT
Problem TDEAD558 is UNSAT
Problem TDEAD559 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD561 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD564 is UNSAT
Problem TDEAD565 is UNSAT
Problem TDEAD566 is UNSAT
Problem TDEAD567 is UNSAT
Problem TDEAD568 is UNSAT
Problem TDEAD569 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD571 is UNSAT
Problem TDEAD572 is UNSAT
Problem TDEAD573 is UNSAT
Problem TDEAD574 is UNSAT
Problem TDEAD575 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD585 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD593 is UNSAT
Problem TDEAD594 is UNSAT
Problem TDEAD598 is UNSAT
Problem TDEAD599 is UNSAT
Problem TDEAD603 is UNSAT
Problem TDEAD604 is UNSAT
Problem TDEAD606 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD608 is UNSAT
Problem TDEAD609 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD611 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD613 is UNSAT
Problem TDEAD614 is UNSAT
Problem TDEAD615 is UNSAT
Problem TDEAD616 is UNSAT
Problem TDEAD617 is UNSAT
Problem TDEAD618 is UNSAT
Problem TDEAD619 is UNSAT
Problem TDEAD620 is UNSAT
Problem TDEAD621 is UNSAT
Problem TDEAD622 is UNSAT
Problem TDEAD623 is UNSAT
Problem TDEAD624 is UNSAT
Problem TDEAD625 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD628 is UNSAT
Problem TDEAD629 is UNSAT
Problem TDEAD630 is UNSAT
Problem TDEAD634 is UNSAT
Problem TDEAD635 is UNSAT
Problem TDEAD639 is UNSAT
Problem TDEAD640 is UNSAT
Problem TDEAD644 is UNSAT
Problem TDEAD647 is UNSAT
Problem TDEAD648 is UNSAT
Problem TDEAD652 is UNSAT
Problem TDEAD653 is UNSAT
Problem TDEAD657 is UNSAT
Problem TDEAD658 is UNSAT
Problem TDEAD660 is UNSAT
Problem TDEAD661 is UNSAT
Problem TDEAD662 is UNSAT
Problem TDEAD663 is UNSAT
Problem TDEAD664 is UNSAT
Problem TDEAD665 is UNSAT
Problem TDEAD666 is UNSAT
Problem TDEAD667 is UNSAT
Problem TDEAD668 is UNSAT
Problem TDEAD669 is UNSAT
Problem TDEAD670 is UNSAT
Problem TDEAD671 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 3/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/596 variables, 0/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 596/596 variables, and 142 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 702/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 144 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 3/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/5 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 3 (OVERLAPS) 8/89 variables, 1/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/6 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 507/596 variables, 89/95 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/596 variables, 47/142 constraints. Problems are: Problem set: 144 solved, 558 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/596 variables, 558/700 constraints. Problems are: Problem set: 144 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 596/596 variables, and 700 constraints, problems are : Problem set: 144 solved, 558 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 558/702 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60508ms problems are : Problem set: 144 solved, 558 unsolved
Search for dead transitions found 144 dead transitions in 60513ms
Found 144 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 144 transitions
Dead transitions reduction (with SMT) removed 144 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 89/89 places, 560/704 transitions.
Graph (complete) has 966 edges and 89 vertex of which 81 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 34 ms. Remains 81 /89 variables (removed 8) and now considering 560/560 (removed 0) transitions.
[2026-05-24 11:44:47] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15080861722691771844.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8839330468601022870.kers'
[2026-05-24 11:44:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15080861722691771844.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8839330468601022870.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 381 rows 81 cols 1398 entries
Finished phase 1 with 79 SingleSign rule and 0 generalized
[2026-05-24 11:44:47] [INFO ] Computed 2 invariants in 2 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8839330468601022870.kers
Total runtime 5 ms.
[2026-05-24 11:44:47] [INFO ] Implicit Places using invariants in 284 ms returned []
[2026-05-24 11:44:47] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:44:47] [INFO ] Invariant cache hit.
[2026-05-24 11:44:48] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 11:44:48] [INFO ] Implicit Places using invariants and state equation in 542 ms returned []
Implicit Place search using SMT with State Equation took 830 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 81/89 places, 560/704 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62457 ms. Remains : 81/89 places, 560/704 transitions.
RANDOM walk for 40005 steps (477 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 853760 steps, run timeout after 3001 ms. (steps per millisecond=284 ) properties seen :0 out of 1
Probabilistic random walk after 853760 steps, saw 593916 distinct states, run finished after 3001 ms. (steps per millisecond=284 ) properties seen :0
[2026-05-24 11:44:51] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:44:51] [INFO ] Invariant cache hit.
[2026-05-24 11:44:51] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 322/357 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/391 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/391 variables, 16/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 71/462 variables, 46/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/462 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 322/357 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/357 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/357 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 34/391 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/391 variables, 16/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/391 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 71/462 variables, 46/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/462 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/462 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 462/462 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 515 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 733ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 88 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 25 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 81/81 places, 560/560 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 560/560 transitions.
Applied a total of 0 rules in 26 ms. Remains 81 /81 variables (removed 0) and now considering 560/560 (removed 0) transitions.
[2026-05-24 11:44:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:44:52] [INFO ] Invariant cache hit.
[2026-05-24 11:44:52] [INFO ] Implicit Places using invariants in 205 ms returned []
[2026-05-24 11:44:52] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:44:52] [INFO ] Invariant cache hit.
[2026-05-24 11:44:52] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-24 11:44:53] [INFO ] Implicit Places using invariants and state equation in 707 ms returned []
Implicit Place search using SMT with State Equation took 915 ms to find 0 implicit places.
[2026-05-24 11:44:53] [INFO ] Redundant transitions in 12 ms returned []
Running 558 sub problems to find dead transitions.
[2026-05-24 11:44:53] [INFO ] Flow matrix only has 381 transitions (discarded 179 similar events)
[2026-05-24 11:44:53] [INFO ] Invariant cache hit.
[2026-05-24 11:44:53] [INFO ] State equation strengthened by 41 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 5 (OVERLAPS) 0/462 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
No progress, stopping.
After SMT solving in domain Real declared 462/462 variables, and 124 constraints, problems are : Problem set: 0 solved, 558 unsolved in 19667 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 558 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 2 (OVERLAPS) 381/462 variables, 81/83 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 41/124 constraints. Problems are: Problem set: 0 solved, 558 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 558/682 constraints. Problems are: Problem set: 0 solved, 558 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 462/462 variables, and 682 constraints, problems are : Problem set: 0 solved, 558 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 81/81 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 558/558 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49997ms problems are : Problem set: 0 solved, 558 unsolved
Search for dead transitions found 0 dead transitions in 50000ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50964 ms. Remains : 81/81 places, 560/560 transitions.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 8 atomic propositions for a total of 12 simplifications.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 7 stabilizing places and 176 stable transitions
Graph (complete) has 1333 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.18 ms
FORMULA DoubleLock-PT-p3s2-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s2-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X((F(G(!p0))&&F(p1)))))))'
Support contains 2 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 9 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:45:43] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1335963409365959280.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3742304177320820232.kers'
[2026-05-24 11:45:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1335963409365959280.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3742304177320820232.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 515 rows 89 cols 1942 entries
Finished phase 1 with 86 SingleSign rule and 1 generalized
[2026-05-24 11:45:43] [INFO ] Computed 2 invariants in 11 ms
Computed 2 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-3742304177320820232.kers
Total runtime 12 ms.
[2026-05-24 11:45:43] [INFO ] Implicit Places using invariants in 200 ms returned []
[2026-05-24 11:45:44] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:45:44] [INFO ] Invariant cache hit.
[2026-05-24 11:45:44] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:45:44] [INFO ] Implicit Places using invariants and state equation in 723 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
Running 710 sub problems to find dead transitions.
[2026-05-24 11:45:44] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:45:44] [INFO ] Invariant cache hit.
[2026-05-24 11:45:44] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 604/604 variables, and 138 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 710 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 3 (OVERLAPS) 515/604 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/604 variables, 47/138 constraints. Problems are: Problem set: 0 solved, 710 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/604 variables, 710/848 constraints. Problems are: Problem set: 0 solved, 710 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 604/604 variables, and 848 constraints, problems are : Problem set: 0 solved, 710 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 710/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60450ms problems are : Problem set: 0 solved, 710 unsolved
Search for dead transitions found 0 dead transitions in 60454ms
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61397 ms. Remains : 89/90 places, 712/712 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)&&X(X(X((F(G(!p0))&&F(p1)))))))'
Stuttering acceptance computed with spot in 664 ms :[true, (NOT p0), (OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-00
Stuttering criterion allowed to conclude after 27 steps with 0 reset in 4 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-00 finished in 62216 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 90 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Graph (complete) has 1333 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 51 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:45] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:45] [INFO ] Invariant cache hit.
[2026-05-24 11:46:46] [INFO ] Implicit Places using invariants in 232 ms returned []
[2026-05-24 11:46:46] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:46] [INFO ] Invariant cache hit.
[2026-05-24 11:46:46] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:46] [INFO ] Implicit Places using invariants and state equation in 676 ms returned []
Implicit Place search using SMT with State Equation took 915 ms to find 0 implicit places.
[2026-05-24 11:46:46] [INFO ] Redundant transitions in 14 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 988 ms. Remains : 89/90 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-04
Stuttering criterion allowed to conclude after 954 steps with 19 reset in 20 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-04 finished in 1093 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(X(X(p0)))||(G(p0) U (p1&&G(p2))))))'
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 7 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:47] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:47] [INFO ] Invariant cache hit.
[2026-05-24 11:46:47] [INFO ] Implicit Places using invariants in 211 ms returned []
[2026-05-24 11:46:47] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:47] [INFO ] Invariant cache hit.
[2026-05-24 11:46:47] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:47] [INFO ] Implicit Places using invariants and state equation in 691 ms returned []
Implicit Place search using SMT with State Equation took 906 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 913 ms. Remains : 89/90 places, 712/712 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(X(X(p0)))||(G(p0) U (p1&&G(p2))))))'
Stuttering acceptance computed with spot in 441 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), true, (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 50 steps with 9 reset in 2 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-05 finished in 1433 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))))'
Support contains 2 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 5 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:48] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:48] [INFO ] Invariant cache hit.
[2026-05-24 11:46:48] [INFO ] Implicit Places using invariants in 190 ms returned []
[2026-05-24 11:46:48] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:48] [INFO ] Invariant cache hit.
[2026-05-24 11:46:48] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:49] [INFO ] Implicit Places using invariants and state equation in 771 ms returned []
Implicit Place search using SMT with State Equation took 963 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 969 ms. Remains : 89/90 places, 712/712 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))))'
Stuttering acceptance computed with spot in 170 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-08
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-08 finished in 1178 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&(F(p1) U G(p2))))))'
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 5 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:49] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:49] [INFO ] Invariant cache hit.
[2026-05-24 11:46:49] [INFO ] Implicit Places using invariants in 209 ms returned []
[2026-05-24 11:46:49] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:49] [INFO ] Invariant cache hit.
[2026-05-24 11:46:50] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:50] [INFO ] Implicit Places using invariants and state equation in 736 ms returned []
Implicit Place search using SMT with State Equation took 948 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 953 ms. Remains : 89/90 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0&&(F(p1) U G(p2))))))'
Stuttering acceptance computed with spot in 283 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-10
Stuttering criterion allowed to conclude after 100 steps with 0 reset in 1 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-10 finished in 1283 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((G(F(p0)) U (p1 U X(X(p1))))))'
Support contains 3 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 3 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:50] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:50] [INFO ] Invariant cache hit.
[2026-05-24 11:46:51] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-24 11:46:51] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:51] [INFO ] Invariant cache hit.
[2026-05-24 11:46:51] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:51] [INFO ] Implicit Places using invariants and state equation in 663 ms returned []
Implicit Place search using SMT with State Equation took 829 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 834 ms. Remains : 89/90 places, 712/712 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(F(p0)) U (p1 U X(X(p1))))))'
Stuttering acceptance computed with spot in 410 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-13
Stuttering criterion allowed to conclude after 467 steps with 9 reset in 7 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-13 finished in 1318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(X(X(p1))))))'
Support contains 4 out of 90 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 90/90 places, 712/712 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 89 transition count 712
Applied a total of 1 rules in 5 ms. Remains 89 /90 variables (removed 1) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:52] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:52] [INFO ] Invariant cache hit.
[2026-05-24 11:46:52] [INFO ] Implicit Places using invariants in 176 ms returned []
[2026-05-24 11:46:52] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:52] [INFO ] Invariant cache hit.
[2026-05-24 11:46:52] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:53] [INFO ] Implicit Places using invariants and state equation in 744 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 89/90 places, 712/712 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 935 ms. Remains : 89/90 places, 712/712 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(X(X(p1))))))'
Stuttering acceptance computed with spot in 288 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : DoubleLock-PT-p3s2-LTLCardinality-14
Product exploration explored 100000 steps with 20000 reset in 551 ms.
Product exploration explored 100000 steps with 20000 reset in 423 ms.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 3 factoid took 65 ms. Reduced automaton from 7 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 213 steps (0 resets) in 5 ms. (35 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 61 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 216 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Knowledge-based reduction took 371 ms.
Stuttering acceptance computed with spot in 232 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Support contains 2 out of 89 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 712/712 transitions.
Applied a total of 0 rules in 3 ms. Remains 89 /89 variables (removed 0) and now considering 712/712 (removed 0) transitions.
[2026-05-24 11:46:55] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:55] [INFO ] Invariant cache hit.
[2026-05-24 11:46:55] [INFO ] Implicit Places using invariants in 193 ms returned []
[2026-05-24 11:46:55] [INFO ] Flow matrix only has 515 transitions (discarded 197 similar events)
[2026-05-24 11:46:55] [INFO ] Invariant cache hit.
[2026-05-24 11:46:55] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-24 11:46:55] [INFO ] Implicit Places using invariants and state equation in 539 ms returned []
Implicit Place search using SMT with State Equation took 734 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 738 ms. Remains : 89/89 places, 712/712 transitions.
Computed a total of 7 stabilizing places and 176 stable transitions
Computed a total of 7 stabilizing places and 176 stable transitions
Knowledge based reduction with 1 factoid took 67 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 202 steps (0 resets) in 4 ms. (40 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 78 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Knowledge-based reduction took 402 ms.
Stuttering acceptance computed with spot in 230 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Stuttering acceptance computed with spot in 235 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Product exploration explored 100000 steps with 20000 reset in 442 ms.
Product exploration explored 100000 steps with 20000 reset in 358 ms.
Spot run failed in 96 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin15869518303653764161
[2026-05-24 11:46:57] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15869518303653764161
Running compilation step : cd /tmp/ltsmin15869518303653764161;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2064 ms.
Running link step : cd /tmp/ltsmin15869518303653764161;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin15869518303653764161;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased3298026283736847314.hoa' '--buchi-type=spotba'
LTSmin run took 97 ms.
FORMULA DoubleLock-PT-p3s2-LTLCardinality-14 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DoubleLock-PT-p3s2-LTLCardinality-14 finished in 7671 ms.
All properties solved by simple procedures.
Total runtime 266102 ms.
BK_STOP 1779623219933
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="DoubleLock-PT-p3s2"
export BK_EXAMINATION="LTLCardinality"
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 DoubleLock-PT-p3s2, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740400051"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s2.tgz
mv DoubleLock-PT-p3s2 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;