Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967600251.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 CloudReconfiguration-PT-319, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600251
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Mar 6 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 661K 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 CloudReconfiguration-PT-319-LTLCardinality-00
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-01
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-02
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-03
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-04
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-05
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-06
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-07
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-08
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-09
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-10
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-11
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-12
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-13
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-14
FORMULA_NAME CloudReconfiguration-PT-319-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779515390983

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-319
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-23 05:49:52] [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]
[2026-05-23 05:49:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 05:49:52] [INFO ] Load time of PNML (sax parser for PT used): 172 ms
[2026-05-23 05:49:52] [INFO ] Transformed 2587 places.
[2026-05-23 05:49:52] [INFO ] Transformed 3099 transitions.
[2026-05-23 05:49:52] [INFO ] Found NUPN structural information;
[2026-05-23 05:49:52] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 279 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 2587 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Discarding 501 places :
Symmetric choice reduction at 0 with 501 rule applications. Total rules 501 place count 2086 transition count 2598
Iterating global reduction 0 with 501 rules applied. Total rules applied 1002 place count 2086 transition count 2598
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 1030 place count 2086 transition count 2570
Discarding 228 places :
Symmetric choice reduction at 1 with 228 rule applications. Total rules 1258 place count 1858 transition count 2342
Iterating global reduction 1 with 228 rules applied. Total rules applied 1486 place count 1858 transition count 2342
Discarding 85 places :
Symmetric choice reduction at 1 with 85 rule applications. Total rules 1571 place count 1773 transition count 2257
Iterating global reduction 1 with 85 rules applied. Total rules applied 1656 place count 1773 transition count 2257
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 1672 place count 1773 transition count 2241
Discarding 45 places :
Symmetric choice reduction at 2 with 45 rule applications. Total rules 1717 place count 1728 transition count 2196
Iterating global reduction 2 with 45 rules applied. Total rules applied 1762 place count 1728 transition count 2196
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 1769 place count 1728 transition count 2189
Discarding 37 places :
Symmetric choice reduction at 3 with 37 rule applications. Total rules 1806 place count 1691 transition count 2147
Iterating global reduction 3 with 37 rules applied. Total rules applied 1843 place count 1691 transition count 2147
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 1870 place count 1664 transition count 2120
Iterating global reduction 3 with 27 rules applied. Total rules applied 1897 place count 1664 transition count 2120
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1922 place count 1639 transition count 2095
Iterating global reduction 3 with 25 rules applied. Total rules applied 1947 place count 1639 transition count 2095
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1971 place count 1615 transition count 2071
Iterating global reduction 3 with 24 rules applied. Total rules applied 1995 place count 1615 transition count 2071
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 2014 place count 1596 transition count 2041
Iterating global reduction 3 with 19 rules applied. Total rules applied 2033 place count 1596 transition count 2041
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 2039 place count 1590 transition count 2032
Iterating global reduction 3 with 6 rules applied. Total rules applied 2045 place count 1590 transition count 2032
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 2051 place count 1584 transition count 2024
Iterating global reduction 3 with 6 rules applied. Total rules applied 2057 place count 1584 transition count 2024
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2058 place count 1584 transition count 2023
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2060 place count 1582 transition count 2021
Iterating global reduction 4 with 2 rules applied. Total rules applied 2062 place count 1582 transition count 2021
Applied a total of 2062 rules in 1341 ms. Remains 1582 /2587 variables (removed 1005) and now considering 2021/3099 (removed 1078) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12186723095913791699.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5833233221758947006.kers'
[2026-05-23 05:49:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12186723095913791699.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5833233221758947006.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2021 rows 1582 cols 4227 entries
Finished phase 1 with 1577 SingleSign rule and 1 generalized
[2026-05-23 05:49:54] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-5833233221758947006.kers
Total runtime 13 ms.
[2026-05-23 05:49:54] [INFO ] Implicit Places using invariants in 478 ms returned []
[2026-05-23 05:49:54] [INFO ] Invariant cache hit.
[2026-05-23 05:49:55] [INFO ] Implicit Places using invariants and state equation in 1182 ms returned []
Implicit Place search using SMT with State Equation took 1702 ms to find 0 implicit places.
Running 2020 sub problems to find dead transitions.
[2026-05-23 05:49:55] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1581 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2020 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1581/3603 variables, and 4 constraints, problems are : Problem set: 0 solved, 2020 unsolved in 30054 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1582 constraints, PredecessorRefiner: 2020/2020 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2020 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1581 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2020 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1581/3603 variables, and 4 constraints, problems are : Problem set: 0 solved, 2020 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1582 constraints, PredecessorRefiner: 0/2020 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60657ms problems are : Problem set: 0 solved, 2020 unsolved
Search for dead transitions found 0 dead transitions in 60679ms
Starting structural reductions in LTL mode, iteration 1 : 1582/2587 places, 2021/3099 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63768 ms. Remains : 1582/2587 places, 2021/3099 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Applied a total of 0 rules in 59 ms. Remains 1582 /1582 variables (removed 0) and now considering 2021/2021 (removed 0) transitions.
[2026-05-23 05:50:56] [INFO ] Invariant cache hit.
[2026-05-23 05:50:56] [INFO ] Implicit Places using invariants in 227 ms returned []
[2026-05-23 05:50:56] [INFO ] Invariant cache hit.
[2026-05-23 05:50:57] [INFO ] Implicit Places using invariants and state equation in 1016 ms returned []
Implicit Place search using SMT with State Equation took 1246 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1307 ms. Remains : 1582/1582 places, 2021/2021 transitions.
Support contains 45 out of 1582 places after structural reductions.
[2026-05-23 05:51:03] [INFO ] Flatten gal took : 133 ms
[2026-05-23 05:51:03] [INFO ] Flatten gal took : 87 ms
[2026-05-23 05:51:03] [INFO ] Input system was already deterministic with 2021 transitions.
RANDOM walk for 40000 steps (497 resets) in 1914 ms. (20 steps per ms) remains 21/28 properties
BEST_FIRST walk for 4001 steps (19 resets) in 89 ms. (44 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (20 resets) in 61 ms. (64 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (18 resets) in 27 ms. (143 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (18 resets) in 49 ms. (80 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (20 resets) in 45 ms. (86 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (17 resets) in 44 ms. (88 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (21 resets) in 33 ms. (117 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (21 resets) in 24 ms. (160 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (18 resets) in 19 ms. (200 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (14 resets) in 19 ms. (200 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (14 resets) in 18 ms. (210 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (17 resets) in 23 ms. (166 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (19 resets) in 17 ms. (222 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (21 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (17 resets) in 21 ms. (181 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (22 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (20 resets) in 59 ms. (66 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (15 resets) in 22 ms. (174 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4001 steps (18 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (18 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (15 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
[2026-05-23 05:51:04] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 1537/1571 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1571 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2011/3582 variables, 1571/1575 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3582 variables, 0/1575 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 2/3584 variables, 1/1576 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3584 variables, 0/1576 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 2/3586 variables, 1/1577 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3586 variables, 0/1577 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (OVERLAPS) 2/3588 variables, 1/1578 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3588 variables, 0/1578 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 2/3590 variables, 1/1579 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3590/3603 variables, and 1579 constraints, problems are : Problem set: 0 solved, 21 unsolved in 5018 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1575/1582 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 1537/1571 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1571 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2011/3582 variables, 1571/1575 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3582 variables, 21/1596 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3582 variables, 0/1596 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/3584 variables, 1/1597 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3584/3603 variables, and 1597 constraints, problems are : Problem set: 0 solved, 21 unsolved in 5019 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1572/1582 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10056ms problems are : Problem set: 0 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 34 out of 1582 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Graph (trivial) has 1860 edges and 1582 vertex of which 651 / 1582 are part of one of the 59 SCC in 5254 ms
Free SCC test removed 592 places
Drop transitions (Empty/Sink Transition effects.) removed 747 transitions
Reduce isomorphic transitions removed 747 transitions.
Graph (complete) has 1458 edges and 990 vertex of which 981 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 516 transitions
Trivial Post-agglo rules discarded 516 transitions
Performed 516 trivial Post agglomeration. Transition count delta: 516
Iterating post reduction 0 with 523 rules applied. Total rules applied 525 place count 981 transition count 747
Reduce places removed 516 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 1 with 561 rules applied. Total rules applied 1086 place count 465 transition count 702
Reduce places removed 29 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 2 with 36 rules applied. Total rules applied 1122 place count 436 transition count 695
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 9 rules applied. Total rules applied 1131 place count 429 transition count 693
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1132 place count 428 transition count 693
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 49 Pre rules applied. Total rules applied 1132 place count 428 transition count 644
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 5 with 98 rules applied. Total rules applied 1230 place count 379 transition count 644
Discarding 9 places :
Symmetric choice reduction at 5 with 9 rule applications. Total rules 1239 place count 370 transition count 632
Iterating global reduction 5 with 9 rules applied. Total rules applied 1248 place count 370 transition count 632
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 5 with 2 rules applied. Total rules applied 1250 place count 370 transition count 630
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 1252 place count 368 transition count 630
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 1258 place count 362 transition count 624
Iterating global reduction 7 with 6 rules applied. Total rules applied 1264 place count 362 transition count 624
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 1270 place count 362 transition count 618
Performed 162 Post agglomeration using F-continuation condition with reduction of 90 identical transitions.
Deduced a syphon composed of 162 places in 1 ms
Reduce places removed 162 places and 0 transitions.
Iterating global reduction 8 with 324 rules applied. Total rules applied 1594 place count 200 transition count 366
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 8 with 21 rules applied. Total rules applied 1615 place count 200 transition count 345
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 1618 place count 197 transition count 342
Iterating global reduction 9 with 3 rules applied. Total rules applied 1621 place count 197 transition count 342
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 9 with 22 rules applied. Total rules applied 1643 place count 186 transition count 329
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 9 with 14 rules applied. Total rules applied 1657 place count 186 transition count 315
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1659 place count 185 transition count 314
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1661 place count 185 transition count 312
Performed 43 Post agglomeration using F-continuation condition with reduction of 19 identical transitions.
Deduced a syphon composed of 43 places in 0 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 11 with 86 rules applied. Total rules applied 1747 place count 142 transition count 363
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 11 with 31 rules applied. Total rules applied 1778 place count 142 transition count 332
Discarding 19 places :
Symmetric choice reduction at 12 with 19 rule applications. Total rules 1797 place count 123 transition count 294
Iterating global reduction 12 with 19 rules applied. Total rules applied 1816 place count 123 transition count 294
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 12 with 8 rules applied. Total rules applied 1824 place count 123 transition count 286
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1826 place count 121 transition count 282
Iterating global reduction 13 with 2 rules applied. Total rules applied 1828 place count 121 transition count 282
Drop transitions (Redundant composition of simpler transitions.) removed 13 transitions
Redundant transition composition rules discarded 13 transitions
Iterating global reduction 13 with 13 rules applied. Total rules applied 1841 place count 121 transition count 269
Free-agglomeration rule applied 10 times.
Iterating global reduction 13 with 10 rules applied. Total rules applied 1851 place count 121 transition count 259
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 13 with 10 rules applied. Total rules applied 1861 place count 111 transition count 259
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 14 with 4 rules applied. Total rules applied 1865 place count 111 transition count 255
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 14 with 4 rules applied. Total rules applied 1869 place count 111 transition count 255
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1870 place count 111 transition count 255
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1871 place count 110 transition count 254
Applied a total of 1871 rules in 5415 ms. Remains 110 /1582 variables (removed 1472) and now considering 254/2021 (removed 1767) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5415 ms. Remains : 110/1582 places, 254/2021 transitions.
RANDOM walk for 40000 steps (331 resets) in 662 ms. (60 steps per ms) remains 1/21 properties
BEST_FIRST walk for 40004 steps (140 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
[2026-05-23 05:51:20] [INFO ] Flow matrix only has 240 transitions (discarded 14 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6103483792396496663.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-922761850084581293.kers'
[2026-05-23 05:51:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6103483792396496663.kers, --Pflows, --basisKERS=/tmp/petrispot-output-922761850084581293.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 240 rows 110 cols 746 entries
Finished phase 1 with 106 SingleSign rule and 0 generalized
[2026-05-23 05:51:20] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-922761850084581293.kers
Total runtime 1 ms.
[2026-05-23 05:51:20] [INFO ] State equation strengthened by 6 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 46/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/220 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 113/333 variables, 45/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/333 variables, 5/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/348 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/348 variables, 15/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/348 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/350 variables, 2/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/350 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/350 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 350/350 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 110/110 constraints, ReadFeed: 6/6 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 46/48 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/220 variables, 48/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 113/333 variables, 45/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 5/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/333 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/348 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/348 variables, 15/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/348 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/350 variables, 2/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp5 is UNSAT
After SMT solving in domain Int declared 350/350 variables, and 122 constraints, problems are : Problem set: 1 solved, 0 unsolved in 203 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 110/110 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 310ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 31 stabilizing places and 35 stable transitions
Graph (complete) has 2210 edges and 1582 vertex of which 1573 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.20 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&&X(X((X(p1)||(p2&&G(p0)))))))))'
Support contains 5 out of 1582 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 1552 transition count 1991
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 1552 transition count 1991
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 62 place count 1552 transition count 1989
Discarding 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 75 place count 1539 transition count 1975
Iterating global reduction 1 with 13 rules applied. Total rules applied 88 place count 1539 transition count 1975
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 89 place count 1539 transition count 1974
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 96 place count 1532 transition count 1964
Iterating global reduction 2 with 7 rules applied. Total rules applied 103 place count 1532 transition count 1964
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 109 place count 1526 transition count 1957
Iterating global reduction 2 with 6 rules applied. Total rules applied 115 place count 1526 transition count 1957
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 117 place count 1526 transition count 1955
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 121 place count 1522 transition count 1951
Iterating global reduction 3 with 4 rules applied. Total rules applied 125 place count 1522 transition count 1951
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 126 place count 1522 transition count 1950
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 128 place count 1520 transition count 1948
Iterating global reduction 4 with 2 rules applied. Total rules applied 130 place count 1520 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 132 place count 1518 transition count 1946
Iterating global reduction 4 with 2 rules applied. Total rules applied 134 place count 1518 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 136 place count 1516 transition count 1943
Iterating global reduction 4 with 2 rules applied. Total rules applied 138 place count 1516 transition count 1943
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 140 place count 1514 transition count 1939
Iterating global reduction 4 with 2 rules applied. Total rules applied 142 place count 1514 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 143 place count 1513 transition count 1938
Iterating global reduction 4 with 1 rules applied. Total rules applied 144 place count 1513 transition count 1938
Applied a total of 144 rules in 703 ms. Remains 1513 /1582 variables (removed 69) and now considering 1938/2021 (removed 83) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13004777088069233230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17630893981325972364.kers'
[2026-05-23 05:51:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13004777088069233230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17630893981325972364.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1938 rows 1513 cols 4055 entries
Finished phase 1 with 1508 SingleSign rule and 1 generalized
[2026-05-23 05:51:21] [INFO ] Computed 4 invariants in 11 ms
Computed 4 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-17630893981325972364.kers
Total runtime 13 ms.
[2026-05-23 05:51:22] [INFO ] Implicit Places using invariants in 228 ms returned []
[2026-05-23 05:51:22] [INFO ] Invariant cache hit.
[2026-05-23 05:51:22] [INFO ] Implicit Places using invariants and state equation in 890 ms returned []
Implicit Place search using SMT with State Equation took 1120 ms to find 0 implicit places.
Running 1937 sub problems to find dead transitions.
[2026-05-23 05:51:23] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3451 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1937/1937 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1937 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1512/3451 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1937 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60450ms problems are : Problem set: 0 solved, 1937 unsolved
Search for dead transitions found 0 dead transitions in 60454ms
Starting structural reductions in LTL mode, iteration 1 : 1513/1582 places, 1938/2021 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62285 ms. Remains : 1513/1582 places, 1938/2021 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&&X(X((X(p1)||(p2&&G(p0)))))))))'
Stuttering acceptance computed with spot in 633 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-00
Product exploration explored 100000 steps with 2498 reset in 241 ms.
Stack based approach found an accepted trace after 24249 steps with 604 reset with depth 59 and stack size 59 in 50 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-00 finished in 63307 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 1582 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Graph (trivial) has 1923 edges and 1582 vertex of which 702 / 1582 are part of one of the 63 SCC in 5 ms
Free SCC test removed 639 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1462 edges and 943 vertex of which 934 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 519 transitions
Trivial Post-agglo rules discarded 519 transitions
Performed 519 trivial Post agglomeration. Transition count delta: 519
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 933 transition count 754
Reduce places removed 519 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 540 rules applied. Total rules applied 1061 place count 414 transition count 733
Reduce places removed 9 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 10 rules applied. Total rules applied 1071 place count 405 transition count 732
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1072 place count 404 transition count 732
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1072 place count 404 transition count 686
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1164 place count 358 transition count 686
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 1183 place count 339 transition count 657
Iterating global reduction 4 with 19 rules applied. Total rules applied 1202 place count 339 transition count 657
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1204 place count 339 transition count 655
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1206 place count 337 transition count 655
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 1220 place count 323 transition count 636
Iterating global reduction 6 with 14 rules applied. Total rules applied 1234 place count 323 transition count 636
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 8 rules applied. Total rules applied 1242 place count 323 transition count 628
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1243 place count 322 transition count 628
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1247 place count 318 transition count 620
Iterating global reduction 8 with 4 rules applied. Total rules applied 1251 place count 318 transition count 620
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1253 place count 316 transition count 616
Iterating global reduction 8 with 2 rules applied. Total rules applied 1255 place count 316 transition count 616
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1257 place count 314 transition count 612
Iterating global reduction 8 with 2 rules applied. Total rules applied 1259 place count 314 transition count 612
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1261 place count 312 transition count 608
Iterating global reduction 8 with 2 rules applied. Total rules applied 1263 place count 312 transition count 608
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1265 place count 310 transition count 604
Iterating global reduction 8 with 2 rules applied. Total rules applied 1267 place count 310 transition count 604
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1268 place count 309 transition count 597
Iterating global reduction 8 with 1 rules applied. Total rules applied 1269 place count 309 transition count 597
Performed 146 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 8 with 292 rules applied. Total rules applied 1561 place count 163 transition count 364
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 8 with 13 rules applied. Total rules applied 1574 place count 163 transition count 351
Discarding 5 places :
Symmetric choice reduction at 9 with 5 rule applications. Total rules 1579 place count 158 transition count 341
Iterating global reduction 9 with 5 rules applied. Total rules applied 1584 place count 158 transition count 341
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 9 with 26 rules applied. Total rules applied 1610 place count 145 transition count 326
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 9 with 14 rules applied. Total rules applied 1624 place count 145 transition count 312
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 10 with 34 rules applied. Total rules applied 1658 place count 128 transition count 358
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 10 with 17 rules applied. Total rules applied 1675 place count 128 transition count 341
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 1684 place count 119 transition count 323
Iterating global reduction 11 with 9 rules applied. Total rules applied 1693 place count 119 transition count 323
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1699 place count 119 transition count 317
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 12 with 36 rules applied. Total rules applied 1735 place count 119 transition count 281
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1736 place count 119 transition count 281
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 1737 place count 118 transition count 280
Applied a total of 1737 rules in 179 ms. Remains 118 /1582 variables (removed 1464) and now considering 280/2021 (removed 1741) transitions.
[2026-05-23 05:52:24] [INFO ] Flow matrix only has 221 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13217687869856203943.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4248096549794145592.kers'
[2026-05-23 05:52:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13217687869856203943.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4248096549794145592.kers]
Normalized transition count is 220 out of 221 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 220 rows 118 cols 660 entries
Finished phase 1 with 118 SingleSign rule and 0 generalized
[2026-05-23 05:52:24] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4248096549794145592.kers
Total runtime 1 ms.
[2026-05-23 05:52:24] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-23 05:52:24] [INFO ] Flow matrix only has 221 transitions (discarded 59 similar events)
[2026-05-23 05:52:24] [INFO ] Invariant cache hit.
[2026-05-23 05:52:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:52:24] [INFO ] Implicit Places using invariants and state equation in 270 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 326 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/1582 places, 280/2021 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 116 transition count 279
Applied a total of 2 rules in 12 ms. Remains 116 /117 variables (removed 1) and now considering 279/280 (removed 1) transitions.
[2026-05-23 05:52:24] [INFO ] Flow matrix only has 220 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5052025638428741520.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8678350361903636598.kers'
[2026-05-23 05:52:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5052025638428741520.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8678350361903636598.kers]
Normalized transition count is 219 out of 220 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 219 rows 116 cols 668 entries
Finished phase 1 with 116 SingleSign rule and 0 generalized
[2026-05-23 05:52:24] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8678350361903636598.kers
Total runtime 1 ms.
[2026-05-23 05:52:25] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 05:52:25] [INFO ] Flow matrix only has 220 transitions (discarded 59 similar events)
[2026-05-23 05:52:25] [INFO ] Invariant cache hit.
[2026-05-23 05:52:25] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:52:25] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1582 places, 279/2021 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 683 ms. Remains : 116/1582 places, 279/2021 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-02 finished in 791 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)||(p1&&F(p2)))))'
Support contains 4 out of 1582 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Discarding 29 places :
Symmetric choice reduction at 0 with 29 rule applications. Total rules 29 place count 1553 transition count 1992
Iterating global reduction 0 with 29 rules applied. Total rules applied 58 place count 1553 transition count 1992
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 59 place count 1553 transition count 1991
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 73 place count 1539 transition count 1976
Iterating global reduction 1 with 14 rules applied. Total rules applied 87 place count 1539 transition count 1976
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 88 place count 1539 transition count 1975
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 95 place count 1532 transition count 1965
Iterating global reduction 2 with 7 rules applied. Total rules applied 102 place count 1532 transition count 1965
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 103 place count 1532 transition count 1964
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 108 place count 1527 transition count 1958
Iterating global reduction 3 with 5 rules applied. Total rules applied 113 place count 1527 transition count 1958
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 114 place count 1527 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 118 place count 1523 transition count 1953
Iterating global reduction 4 with 4 rules applied. Total rules applied 122 place count 1523 transition count 1953
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 123 place count 1523 transition count 1952
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 125 place count 1521 transition count 1950
Iterating global reduction 5 with 2 rules applied. Total rules applied 127 place count 1521 transition count 1950
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 129 place count 1519 transition count 1948
Iterating global reduction 5 with 2 rules applied. Total rules applied 131 place count 1519 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 133 place count 1517 transition count 1945
Iterating global reduction 5 with 2 rules applied. Total rules applied 135 place count 1517 transition count 1945
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 137 place count 1515 transition count 1941
Iterating global reduction 5 with 2 rules applied. Total rules applied 139 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 140 place count 1514 transition count 1940
Iterating global reduction 5 with 1 rules applied. Total rules applied 141 place count 1514 transition count 1940
Applied a total of 141 rules in 623 ms. Remains 1514 /1582 variables (removed 68) and now considering 1940/2021 (removed 81) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15743497085529314044.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10575749754532109613.kers'
[2026-05-23 05:52:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15743497085529314044.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10575749754532109613.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1940 rows 1514 cols 4059 entries
Finished phase 1 with 1509 SingleSign rule and 1 generalized
[2026-05-23 05:52:25] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-10575749754532109613.kers
Total runtime 22 ms.
[2026-05-23 05:52:26] [INFO ] Implicit Places using invariants in 240 ms returned []
[2026-05-23 05:52:26] [INFO ] Invariant cache hit.
[2026-05-23 05:52:26] [INFO ] Implicit Places using invariants and state equation in 889 ms returned []
Implicit Place search using SMT with State Equation took 1130 ms to find 0 implicit places.
Running 1939 sub problems to find dead transitions.
[2026-05-23 05:52:26] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1513/3454 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30046 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 constraints, PredecessorRefiner: 1939/1939 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1939 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1513/3454 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 constraints, PredecessorRefiner: 0/1939 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60437ms problems are : Problem set: 0 solved, 1939 unsolved
Search for dead transitions found 0 dead transitions in 60441ms
Starting structural reductions in LTL mode, iteration 1 : 1514/1582 places, 1940/2021 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62203 ms. Remains : 1514/1582 places, 1940/2021 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)||(F(p1)&&p2))))'
Stuttering acceptance computed with spot in 198 ms :[(NOT p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (AND (NOT p1) (NOT p0)), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-06
Product exploration explored 100000 steps with 33333 reset in 324 ms.
Product exploration explored 100000 steps with 33333 reset in 352 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2123 edges and 1514 vertex of which 1505 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 7 factoid took 18 ms. Proved property starting from automaton with 6 states, 7 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 55 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-06 finished in 63174 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((p1&&(p2 U p3)&&G(p4)))))'
Support contains 8 out of 1582 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 1555 transition count 1994
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 1555 transition count 1994
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 56 place count 1555 transition count 1992
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 68 place count 1543 transition count 1979
Iterating global reduction 1 with 12 rules applied. Total rules applied 80 place count 1543 transition count 1979
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 87 place count 1536 transition count 1970
Iterating global reduction 1 with 7 rules applied. Total rules applied 94 place count 1536 transition count 1970
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 95 place count 1536 transition count 1969
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 101 place count 1530 transition count 1962
Iterating global reduction 2 with 6 rules applied. Total rules applied 107 place count 1530 transition count 1962
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 109 place count 1530 transition count 1960
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 113 place count 1526 transition count 1956
Iterating global reduction 3 with 4 rules applied. Total rules applied 117 place count 1526 transition count 1956
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 118 place count 1526 transition count 1955
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 120 place count 1524 transition count 1953
Iterating global reduction 4 with 2 rules applied. Total rules applied 122 place count 1524 transition count 1953
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 124 place count 1522 transition count 1951
Iterating global reduction 4 with 2 rules applied. Total rules applied 126 place count 1522 transition count 1951
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 128 place count 1520 transition count 1948
Iterating global reduction 4 with 2 rules applied. Total rules applied 130 place count 1520 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 132 place count 1518 transition count 1944
Iterating global reduction 4 with 2 rules applied. Total rules applied 134 place count 1518 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 135 place count 1517 transition count 1943
Iterating global reduction 4 with 1 rules applied. Total rules applied 136 place count 1517 transition count 1943
Applied a total of 136 rules in 631 ms. Remains 1517 /1582 variables (removed 65) and now considering 1943/2021 (removed 78) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6879786502847430393.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18323147141910577279.kers'
[2026-05-23 05:53:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6879786502847430393.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18323147141910577279.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1943 rows 1517 cols 4067 entries
Finished phase 1 with 1512 SingleSign rule and 1 generalized
[2026-05-23 05:53:29] [INFO ] Computed 4 invariants in 14 ms
Computed 4 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-18323147141910577279.kers
Total runtime 18 ms.
[2026-05-23 05:53:29] [INFO ] Implicit Places using invariants in 222 ms returned []
[2026-05-23 05:53:29] [INFO ] Invariant cache hit.
[2026-05-23 05:53:30] [INFO ] Implicit Places using invariants and state equation in 951 ms returned []
Implicit Place search using SMT with State Equation took 1175 ms to find 0 implicit places.
Running 1942 sub problems to find dead transitions.
[2026-05-23 05:53:30] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1516 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1942 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1516/3460 variables, and 4 constraints, problems are : Problem set: 0 solved, 1942 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1517 constraints, PredecessorRefiner: 1942/1942 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1942 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1516 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1942 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1516/3460 variables, and 4 constraints, problems are : Problem set: 0 solved, 1942 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1517 constraints, PredecessorRefiner: 0/1942 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60419ms problems are : Problem set: 0 solved, 1942 unsolved
Search for dead transitions found 0 dead transitions in 60422ms
Starting structural reductions in LTL mode, iteration 1 : 1517/1582 places, 1943/2021 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62239 ms. Remains : 1517/1582 places, 1943/2021 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(p0)||X((p1&&(p2 U p3)&&G(p4)))))'
Stuttering acceptance computed with spot in 324 ms :[true, (OR (NOT p3) (NOT p4)), (OR (NOT p4) (NOT p3) (NOT p1)), (OR (AND (NOT p0) (NOT p4)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p4), (OR (AND (NOT p0) (NOT p4)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p4))), (AND (NOT p4) (NOT p0)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-08
Stuttering criterion allowed to conclude after 53 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-08 finished in 62660 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 1582 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Graph (trivial) has 1925 edges and 1582 vertex of which 706 / 1582 are part of one of the 63 SCC in 3 ms
Free SCC test removed 643 places
Ensure Unique test removed 746 transitions
Reduce isomorphic transitions removed 746 transitions.
Graph (complete) has 1458 edges and 939 vertex of which 930 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 518 transitions
Trivial Post-agglo rules discarded 518 transitions
Performed 518 trivial Post agglomeration. Transition count delta: 518
Iterating post reduction 0 with 518 rules applied. Total rules applied 520 place count 929 transition count 751
Reduce places removed 518 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 539 rules applied. Total rules applied 1059 place count 411 transition count 730
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1068 place count 402 transition count 730
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1068 place count 402 transition count 684
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1160 place count 356 transition count 684
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 1179 place count 337 transition count 655
Iterating global reduction 3 with 19 rules applied. Total rules applied 1198 place count 337 transition count 655
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1200 place count 337 transition count 653
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1202 place count 335 transition count 653
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 1216 place count 321 transition count 634
Iterating global reduction 5 with 14 rules applied. Total rules applied 1230 place count 321 transition count 634
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1238 place count 321 transition count 626
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1239 place count 320 transition count 626
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1243 place count 316 transition count 618
Iterating global reduction 7 with 4 rules applied. Total rules applied 1247 place count 316 transition count 618
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1249 place count 314 transition count 614
Iterating global reduction 7 with 2 rules applied. Total rules applied 1251 place count 314 transition count 614
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1253 place count 312 transition count 610
Iterating global reduction 7 with 2 rules applied. Total rules applied 1255 place count 312 transition count 610
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1257 place count 310 transition count 606
Iterating global reduction 7 with 2 rules applied. Total rules applied 1259 place count 310 transition count 606
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1261 place count 308 transition count 602
Iterating global reduction 7 with 2 rules applied. Total rules applied 1263 place count 308 transition count 602
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1264 place count 307 transition count 595
Iterating global reduction 7 with 1 rules applied. Total rules applied 1265 place count 307 transition count 595
Performed 146 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 7 with 292 rules applied. Total rules applied 1557 place count 161 transition count 362
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1570 place count 161 transition count 349
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1575 place count 156 transition count 339
Iterating global reduction 8 with 5 rules applied. Total rules applied 1580 place count 156 transition count 339
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 1606 place count 143 transition count 324
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1620 place count 143 transition count 310
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 9 with 34 rules applied. Total rules applied 1654 place count 126 transition count 356
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1671 place count 126 transition count 339
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1680 place count 117 transition count 321
Iterating global reduction 10 with 9 rules applied. Total rules applied 1689 place count 117 transition count 321
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1695 place count 117 transition count 315
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 11 with 36 rules applied. Total rules applied 1731 place count 117 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1732 place count 116 transition count 278
Applied a total of 1732 rules in 98 ms. Remains 116 /1582 variables (removed 1466) and now considering 278/2021 (removed 1743) transitions.
[2026-05-23 05:54:31] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6310841190240754268.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16368894119297144297.kers'
[2026-05-23 05:54:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6310841190240754268.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16368894119297144297.kers]
Normalized transition count is 218 out of 219 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 218 rows 116 cols 656 entries
Finished phase 1 with 116 SingleSign rule and 0 generalized
[2026-05-23 05:54:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16368894119297144297.kers
Total runtime 3 ms.
[2026-05-23 05:54:31] [INFO ] Implicit Places using invariants in 94 ms returned []
[2026-05-23 05:54:31] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
[2026-05-23 05:54:31] [INFO ] Invariant cache hit.
[2026-05-23 05:54:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:54:31] [INFO ] Implicit Places using invariants and state equation in 291 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 388 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/1582 places, 278/2021 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 114 transition count 277
Applied a total of 2 rules in 7 ms. Remains 114 /115 variables (removed 1) and now considering 277/278 (removed 1) transitions.
[2026-05-23 05:54:31] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11784919171928549262.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12402491539210086976.kers'
[2026-05-23 05:54:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11784919171928549262.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12402491539210086976.kers]
Normalized transition count is 217 out of 218 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 217 rows 114 cols 664 entries
Finished phase 1 with 114 SingleSign rule and 0 generalized
[2026-05-23 05:54:31] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12402491539210086976.kers
Total runtime 2 ms.
[2026-05-23 05:54:31] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-23 05:54:31] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
[2026-05-23 05:54:31] [INFO ] Invariant cache hit.
[2026-05-23 05:54:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:54:32] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 510 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 114/1582 places, 277/2021 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1004 ms. Remains : 114/1582 places, 277/2021 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 50 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-09
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-09 finished in 1086 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 1582 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 1552 transition count 1991
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 1552 transition count 1991
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 62 place count 1552 transition count 1989
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 76 place count 1538 transition count 1975
Iterating global reduction 1 with 14 rules applied. Total rules applied 90 place count 1538 transition count 1975
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 91 place count 1538 transition count 1974
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 98 place count 1531 transition count 1965
Iterating global reduction 2 with 7 rules applied. Total rules applied 105 place count 1531 transition count 1965
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 106 place count 1531 transition count 1964
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 111 place count 1526 transition count 1958
Iterating global reduction 3 with 5 rules applied. Total rules applied 116 place count 1526 transition count 1958
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 117 place count 1526 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 121 place count 1522 transition count 1953
Iterating global reduction 4 with 4 rules applied. Total rules applied 125 place count 1522 transition count 1953
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 126 place count 1522 transition count 1952
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 128 place count 1520 transition count 1950
Iterating global reduction 5 with 2 rules applied. Total rules applied 130 place count 1520 transition count 1950
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 132 place count 1518 transition count 1948
Iterating global reduction 5 with 2 rules applied. Total rules applied 134 place count 1518 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 136 place count 1516 transition count 1945
Iterating global reduction 5 with 2 rules applied. Total rules applied 138 place count 1516 transition count 1945
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 140 place count 1514 transition count 1941
Iterating global reduction 5 with 2 rules applied. Total rules applied 142 place count 1514 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 143 place count 1513 transition count 1940
Iterating global reduction 5 with 1 rules applied. Total rules applied 144 place count 1513 transition count 1940
Applied a total of 144 rules in 653 ms. Remains 1513 /1582 variables (removed 69) and now considering 1940/2021 (removed 81) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9503780757893901624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17441868390796475908.kers'
[2026-05-23 05:54:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9503780757893901624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17441868390796475908.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 1940 rows 1513 cols 4059 entries
Finished phase 1 with 1508 SingleSign rule and 1 generalized
[2026-05-23 05:54:32] [INFO ] Computed 4 invariants in 20 ms
Computed 4 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-17441868390796475908.kers
Total runtime 23 ms.
[2026-05-23 05:54:33] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-23 05:54:33] [INFO ] Invariant cache hit.
[2026-05-23 05:54:34] [INFO ] Implicit Places using invariants and state equation in 954 ms returned []
Implicit Place search using SMT with State Equation took 1207 ms to find 0 implicit places.
Running 1939 sub problems to find dead transitions.
[2026-05-23 05:54:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3453 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1939/1939 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1939 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1512/3453 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1939 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60423ms problems are : Problem set: 0 solved, 1939 unsolved
Search for dead transitions found 0 dead transitions in 60427ms
Starting structural reductions in LTL mode, iteration 1 : 1513/1582 places, 1940/2021 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62297 ms. Remains : 1513/1582 places, 1940/2021 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 141 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-11
Product exploration explored 100000 steps with 1205 reset in 131 ms.
Product exploration explored 100000 steps with 1210 reset in 133 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2123 edges and 1513 vertex of which 1504 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 2 factoid took 55 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (496 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (193 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 452179 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 1
Probabilistic random walk after 452179 steps, saw 121314 distinct states, run finished after 3006 ms. (steps per millisecond=150 ) properties seen :0
[2026-05-23 05:55:38] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 682/684 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/684 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 818/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1930/3432 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3432 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3434 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3434 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3436 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3436 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3438 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3438 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3440 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3440 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3442 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3442 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3444 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3444 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3446 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3446 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3448 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3448 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3450 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3450 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3452 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3452 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3453 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3453 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3453 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3453/3453 variables, and 1517 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1444 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 682/684 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/684 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 818/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1930/3432 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3432 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3432 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3434 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3434 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3436 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3436 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3438 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3438 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3440 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3440 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3442 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3442 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3444 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3444 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3446 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3446 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3448 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3448 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3450 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3450 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3452 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3452 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3453 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3453 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3453 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3453/3453 variables, and 1518 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2136 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3589ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1513/1513 places, 1940/1940 transitions.
Graph (trivial) has 1845 edges and 1513 vertex of which 693 / 1513 are part of one of the 63 SCC in 1 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 796 transitions
Reduce isomorphic transitions removed 796 transitions.
Graph (complete) has 1322 edges and 883 vertex of which 874 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 489 transitions
Trivial Post-agglo rules discarded 489 transitions
Performed 489 trivial Post agglomeration. Transition count delta: 489
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 874 transition count 644
Reduce places removed 489 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 549 rules applied. Total rules applied 1047 place count 385 transition count 584
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 2 with 39 rules applied. Total rules applied 1086 place count 346 transition count 584
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 49 Pre rules applied. Total rules applied 1086 place count 346 transition count 535
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 3 with 98 rules applied. Total rules applied 1184 place count 297 transition count 535
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1195 place count 286 transition count 519
Iterating global reduction 3 with 11 rules applied. Total rules applied 1206 place count 286 transition count 519
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 1209 place count 286 transition count 516
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1212 place count 283 transition count 516
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1220 place count 275 transition count 506
Iterating global reduction 5 with 8 rules applied. Total rules applied 1228 place count 275 transition count 506
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1234 place count 275 transition count 500
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1236 place count 273 transition count 488
Iterating global reduction 6 with 2 rules applied. Total rules applied 1238 place count 273 transition count 488
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 1239 place count 273 transition count 487
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1240 place count 272 transition count 487
Performed 143 Post agglomeration using F-continuation condition with reduction of 97 identical transitions.
Deduced a syphon composed of 143 places in 1 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 8 with 286 rules applied. Total rules applied 1526 place count 129 transition count 247
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 13 rules applied. Total rules applied 1539 place count 129 transition count 234
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1541 place count 128 transition count 233
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1544 place count 125 transition count 230
Iterating global reduction 10 with 3 rules applied. Total rules applied 1547 place count 125 transition count 230
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 1573 place count 112 transition count 214
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 1588 place count 112 transition count 199
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 11 with 66 rules applied. Total rules applied 1654 place count 79 transition count 243
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 11 with 57 rules applied. Total rules applied 1711 place count 79 transition count 186
Discarding 24 places :
Symmetric choice reduction at 12 with 24 rule applications. Total rules 1735 place count 55 transition count 162
Iterating global reduction 12 with 24 rules applied. Total rules applied 1759 place count 55 transition count 162
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 12 with 15 rules applied. Total rules applied 1774 place count 55 transition count 147
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1780 place count 49 transition count 135
Iterating global reduction 13 with 6 rules applied. Total rules applied 1786 place count 49 transition count 135
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1792 place count 49 transition count 129
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 14 with 31 rules applied. Total rules applied 1823 place count 49 transition count 98
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1826 place count 46 transition count 89
Iterating global reduction 14 with 3 rules applied. Total rules applied 1829 place count 46 transition count 89
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1832 place count 43 transition count 86
Iterating global reduction 14 with 3 rules applied. Total rules applied 1835 place count 43 transition count 86
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1841 place count 43 transition count 80
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 1844 place count 43 transition count 77
Free-agglomeration rule applied 4 times.
Iterating global reduction 15 with 4 rules applied. Total rules applied 1848 place count 43 transition count 73
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1852 place count 39 transition count 73
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1853 place count 39 transition count 73
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1854 place count 38 transition count 72
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 34 edges and 37 vertex of which 24 / 37 are part of one of the 9 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 16 with 2 rules applied. Total rules applied 1856 place count 22 transition count 72
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 17 with 36 rules applied. Total rules applied 1892 place count 22 transition count 36
Discarding 3 places :
Symmetric choice reduction at 18 with 3 rule applications. Total rules 1895 place count 19 transition count 33
Iterating global reduction 18 with 3 rules applied. Total rules applied 1898 place count 19 transition count 33
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 18 with 6 rules applied. Total rules applied 1904 place count 16 transition count 30
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 18 with 11 rules applied. Total rules applied 1915 place count 16 transition count 19
Free-agglomeration rule applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 1916 place count 16 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 1917 place count 15 transition count 18
Applied a total of 1917 rules in 48 ms. Remains 15 /1513 variables (removed 1498) and now considering 18/1940 (removed 1922) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 15/1513 places, 18/1940 transitions.
RANDOM walk for 135 steps (20 resets) in 6 ms. (19 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 54 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7037 ms.
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1513/1513 places, 1940/1940 transitions.
Applied a total of 0 rules in 63 ms. Remains 1513 /1513 variables (removed 0) and now considering 1940/1940 (removed 0) transitions.
[2026-05-23 05:55:42] [INFO ] Invariant cache hit.
[2026-05-23 05:55:42] [INFO ] Implicit Places using invariants in 205 ms returned []
[2026-05-23 05:55:42] [INFO ] Invariant cache hit.
[2026-05-23 05:55:43] [INFO ] Implicit Places using invariants and state equation in 974 ms returned []
Implicit Place search using SMT with State Equation took 1181 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1247 ms. Remains : 1513/1513 places, 1940/1940 transitions.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2123 edges and 1513 vertex of which 1504 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 2 factoid took 45 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (468 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (169 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 461852 steps, run timeout after 3001 ms. (steps per millisecond=153 ) properties seen :0 out of 1
Probabilistic random walk after 461852 steps, saw 123268 distinct states, run finished after 3001 ms. (steps per millisecond=153 ) properties seen :0
[2026-05-23 05:55:46] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 682/684 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/684 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 818/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1930/3432 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3432 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3434 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3434 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3436 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3436 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3438 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3438 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3440 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3440 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3442 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3442 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3444 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3444 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3446 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3446 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3448 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3448 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3450 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3450 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3452 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3452 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3453 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3453 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3453 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3453/3453 variables, and 1517 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1436 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 682/684 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/684 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 818/1502 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1502 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1930/3432 variables, 1502/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3432 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3432 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3434 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3434 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3436 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3436 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3438 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3438 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3440 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3440 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3442 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3442 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3444 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3444 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3446 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3446 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3448 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3448 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3450 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3450 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3452 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3452 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3453 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3453 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3453 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3453/3453 variables, and 1518 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2204 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1513 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3649ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 2 out of 1513 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1513/1513 places, 1940/1940 transitions.
Graph (trivial) has 1845 edges and 1513 vertex of which 693 / 1513 are part of one of the 63 SCC in 1 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 796 transitions
Reduce isomorphic transitions removed 796 transitions.
Graph (complete) has 1322 edges and 883 vertex of which 874 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 489 transitions
Trivial Post-agglo rules discarded 489 transitions
Performed 489 trivial Post agglomeration. Transition count delta: 489
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 874 transition count 644
Reduce places removed 489 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 549 rules applied. Total rules applied 1047 place count 385 transition count 584
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 2 with 39 rules applied. Total rules applied 1086 place count 346 transition count 584
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 49 Pre rules applied. Total rules applied 1086 place count 346 transition count 535
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 3 with 98 rules applied. Total rules applied 1184 place count 297 transition count 535
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1195 place count 286 transition count 519
Iterating global reduction 3 with 11 rules applied. Total rules applied 1206 place count 286 transition count 519
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 1209 place count 286 transition count 516
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1212 place count 283 transition count 516
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1220 place count 275 transition count 506
Iterating global reduction 5 with 8 rules applied. Total rules applied 1228 place count 275 transition count 506
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1234 place count 275 transition count 500
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1236 place count 273 transition count 488
Iterating global reduction 6 with 2 rules applied. Total rules applied 1238 place count 273 transition count 488
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 1239 place count 273 transition count 487
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1240 place count 272 transition count 487
Performed 143 Post agglomeration using F-continuation condition with reduction of 97 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 8 with 286 rules applied. Total rules applied 1526 place count 129 transition count 247
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 13 rules applied. Total rules applied 1539 place count 129 transition count 234
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1541 place count 128 transition count 233
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1544 place count 125 transition count 230
Iterating global reduction 10 with 3 rules applied. Total rules applied 1547 place count 125 transition count 230
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 1573 place count 112 transition count 214
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 1588 place count 112 transition count 199
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 11 with 66 rules applied. Total rules applied 1654 place count 79 transition count 243
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 11 with 57 rules applied. Total rules applied 1711 place count 79 transition count 186
Discarding 24 places :
Symmetric choice reduction at 12 with 24 rule applications. Total rules 1735 place count 55 transition count 162
Iterating global reduction 12 with 24 rules applied. Total rules applied 1759 place count 55 transition count 162
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 12 with 15 rules applied. Total rules applied 1774 place count 55 transition count 147
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1780 place count 49 transition count 135
Iterating global reduction 13 with 6 rules applied. Total rules applied 1786 place count 49 transition count 135
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1792 place count 49 transition count 129
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 14 with 31 rules applied. Total rules applied 1823 place count 49 transition count 98
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1826 place count 46 transition count 89
Iterating global reduction 14 with 3 rules applied. Total rules applied 1829 place count 46 transition count 89
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1832 place count 43 transition count 86
Iterating global reduction 14 with 3 rules applied. Total rules applied 1835 place count 43 transition count 86
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1841 place count 43 transition count 80
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 1844 place count 43 transition count 77
Free-agglomeration rule applied 4 times.
Iterating global reduction 15 with 4 rules applied. Total rules applied 1848 place count 43 transition count 73
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1852 place count 39 transition count 73
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1853 place count 39 transition count 73
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1854 place count 38 transition count 72
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 34 edges and 37 vertex of which 24 / 37 are part of one of the 9 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 16 with 2 rules applied. Total rules applied 1856 place count 22 transition count 72
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 17 with 36 rules applied. Total rules applied 1892 place count 22 transition count 36
Discarding 3 places :
Symmetric choice reduction at 18 with 3 rule applications. Total rules 1895 place count 19 transition count 33
Iterating global reduction 18 with 3 rules applied. Total rules applied 1898 place count 19 transition count 33
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 18 with 6 rules applied. Total rules applied 1904 place count 16 transition count 30
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 18 with 11 rules applied. Total rules applied 1915 place count 16 transition count 19
Free-agglomeration rule applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 1916 place count 16 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 1917 place count 15 transition count 18
Applied a total of 1917 rules in 44 ms. Remains 15 /1513 variables (removed 1498) and now considering 18/1940 (removed 1922) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 15/1513 places, 18/1940 transitions.
RANDOM walk for 73 steps (8 resets) in 4 ms. (14 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 68 ms. Reduced automaton from 4 states, 5 edges and 1 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 97 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 7035 ms.
Stuttering acceptance computed with spot in 146 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 144 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Entered a terminal (fully accepting) state of product in 72069 steps with 830 reset in 100 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-11 finished in 78599 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U X(p1)) U X((p2&&X(F(p3))))))'
Support contains 6 out of 1582 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Discarding 28 places :
Symmetric choice reduction at 0 with 28 rule applications. Total rules 28 place count 1554 transition count 1993
Iterating global reduction 0 with 28 rules applied. Total rules applied 56 place count 1554 transition count 1993
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 58 place count 1554 transition count 1991
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 70 place count 1542 transition count 1978
Iterating global reduction 1 with 12 rules applied. Total rules applied 82 place count 1542 transition count 1978
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 83 place count 1542 transition count 1977
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 89 place count 1536 transition count 1968
Iterating global reduction 2 with 6 rules applied. Total rules applied 95 place count 1536 transition count 1968
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 100 place count 1531 transition count 1962
Iterating global reduction 2 with 5 rules applied. Total rules applied 105 place count 1531 transition count 1962
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 107 place count 1531 transition count 1960
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 110 place count 1528 transition count 1957
Iterating global reduction 3 with 3 rules applied. Total rules applied 113 place count 1528 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 114 place count 1528 transition count 1956
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 115 place count 1527 transition count 1955
Iterating global reduction 4 with 1 rules applied. Total rules applied 116 place count 1527 transition count 1955
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 117 place count 1526 transition count 1954
Iterating global reduction 4 with 1 rules applied. Total rules applied 118 place count 1526 transition count 1954
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 119 place count 1525 transition count 1953
Iterating global reduction 4 with 1 rules applied. Total rules applied 120 place count 1525 transition count 1953
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 121 place count 1524 transition count 1951
Iterating global reduction 4 with 1 rules applied. Total rules applied 122 place count 1524 transition count 1951
Applied a total of 122 rules in 573 ms. Remains 1524 /1582 variables (removed 58) and now considering 1951/2021 (removed 70) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17703579588122924889.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12744764815151519809.kers'
[2026-05-23 05:55:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17703579588122924889.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12744764815151519809.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1951 rows 1524 cols 4081 entries
Finished phase 1 with 1519 SingleSign rule and 1 generalized
[2026-05-23 05:55:51] [INFO ] Computed 4 invariants in 15 ms
Computed 4 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-12744764815151519809.kers
Total runtime 19 ms.
[2026-05-23 05:55:51] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-23 05:55:51] [INFO ] Invariant cache hit.
[2026-05-23 05:55:52] [INFO ] Implicit Places using invariants and state equation in 928 ms returned []
Implicit Place search using SMT with State Equation took 1160 ms to find 0 implicit places.
Running 1950 sub problems to find dead transitions.
[2026-05-23 05:55:52] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1523 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1950 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1523/3475 variables, and 4 constraints, problems are : Problem set: 0 solved, 1950 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1524 constraints, PredecessorRefiner: 1950/1950 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1950 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1523 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1950 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1523/3475 variables, and 4 constraints, problems are : Problem set: 0 solved, 1950 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1524 constraints, PredecessorRefiner: 0/1950 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60414ms problems are : Problem set: 0 solved, 1950 unsolved
Search for dead transitions found 0 dead transitions in 60417ms
Starting structural reductions in LTL mode, iteration 1 : 1524/1582 places, 1951/2021 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62157 ms. Remains : 1524/1582 places, 1951/2021 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U X(p1)) U X((p2&&X(F(p3))))))'
Stuttering acceptance computed with spot in 315 ms :[(OR (NOT p3) (NOT p2)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (NOT p3) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1) (NOT p3)), true, (NOT p3)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-13
Stuttering criterion allowed to conclude after 76 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-13 finished in 62526 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(p0 U F(p0))||!(p0 U p1)))'
Support contains 3 out of 1582 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Graph (trivial) has 1921 edges and 1582 vertex of which 707 / 1582 are part of one of the 63 SCC in 0 ms
Free SCC test removed 644 places
Ensure Unique test removed 747 transitions
Reduce isomorphic transitions removed 747 transitions.
Graph (complete) has 1457 edges and 938 vertex of which 929 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 515 transitions
Trivial Post-agglo rules discarded 515 transitions
Performed 515 trivial Post agglomeration. Transition count delta: 515
Iterating post reduction 0 with 515 rules applied. Total rules applied 517 place count 928 transition count 753
Reduce places removed 515 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 535 rules applied. Total rules applied 1052 place count 413 transition count 733
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1061 place count 404 transition count 733
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1061 place count 404 transition count 687
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1153 place count 358 transition count 687
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 1172 place count 339 transition count 658
Iterating global reduction 3 with 19 rules applied. Total rules applied 1191 place count 339 transition count 658
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1193 place count 339 transition count 656
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1195 place count 337 transition count 656
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 1209 place count 323 transition count 637
Iterating global reduction 5 with 14 rules applied. Total rules applied 1223 place count 323 transition count 637
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1231 place count 323 transition count 629
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1232 place count 322 transition count 629
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1236 place count 318 transition count 621
Iterating global reduction 7 with 4 rules applied. Total rules applied 1240 place count 318 transition count 621
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1242 place count 316 transition count 617
Iterating global reduction 7 with 2 rules applied. Total rules applied 1244 place count 316 transition count 617
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1246 place count 314 transition count 613
Iterating global reduction 7 with 2 rules applied. Total rules applied 1248 place count 314 transition count 613
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1250 place count 312 transition count 609
Iterating global reduction 7 with 2 rules applied. Total rules applied 1252 place count 312 transition count 609
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1254 place count 310 transition count 605
Iterating global reduction 7 with 2 rules applied. Total rules applied 1256 place count 310 transition count 605
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1257 place count 309 transition count 598
Iterating global reduction 7 with 1 rules applied. Total rules applied 1258 place count 309 transition count 598
Performed 145 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 7 with 290 rules applied. Total rules applied 1548 place count 164 transition count 366
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1560 place count 164 transition count 354
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1564 place count 160 transition count 349
Iterating global reduction 8 with 4 rules applied. Total rules applied 1568 place count 160 transition count 349
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1592 place count 148 transition count 335
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 8 with 13 rules applied. Total rules applied 1605 place count 148 transition count 322
Performed 19 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 9 with 38 rules applied. Total rules applied 1643 place count 129 transition count 368
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 9 with 19 rules applied. Total rules applied 1662 place count 129 transition count 349
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1671 place count 120 transition count 331
Iterating global reduction 10 with 9 rules applied. Total rules applied 1680 place count 120 transition count 331
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1686 place count 120 transition count 325
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 11 with 37 rules applied. Total rules applied 1723 place count 120 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1724 place count 119 transition count 287
Applied a total of 1724 rules in 65 ms. Remains 119 /1582 variables (removed 1463) and now considering 287/2021 (removed 1734) transitions.
[2026-05-23 05:56:53] [INFO ] Flow matrix only has 229 transitions (discarded 58 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12466351643364765901.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6421624322291506057.kers'
[2026-05-23 05:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12466351643364765901.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6421624322291506057.kers]
Normalized transition count is 228 out of 229 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 228 rows 119 cols 675 entries
Finished phase 1 with 119 SingleSign rule and 0 generalized
[2026-05-23 05:56:53] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6421624322291506057.kers
Total runtime 2 ms.
[2026-05-23 05:56:53] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 05:56:53] [INFO ] Flow matrix only has 229 transitions (discarded 58 similar events)
[2026-05-23 05:56:53] [INFO ] Invariant cache hit.
[2026-05-23 05:56:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 05:56:53] [INFO ] Implicit Places using invariants and state equation in 140 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 192 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1582 places, 287/2021 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 117 transition count 286
Applied a total of 2 rules in 5 ms. Remains 117 /118 variables (removed 1) and now considering 286/287 (removed 1) transitions.
[2026-05-23 05:56:53] [INFO ] Flow matrix only has 228 transitions (discarded 58 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8266648523211077766.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11136003545497701618.kers'
[2026-05-23 05:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8266648523211077766.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11136003545497701618.kers]
Normalized transition count is 227 out of 228 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 227 rows 117 cols 683 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-23 05:56:53] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11136003545497701618.kers
Total runtime 1 ms.
[2026-05-23 05:56:53] [INFO ] Implicit Places using invariants in 59 ms returned []
[2026-05-23 05:56:53] [INFO ] Flow matrix only has 228 transitions (discarded 58 similar events)
[2026-05-23 05:56:53] [INFO ] Invariant cache hit.
[2026-05-23 05:56:53] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 05:56:53] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 117/1582 places, 286/2021 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 464 ms. Remains : 117/1582 places, 286/2021 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(p0 U F(p0))||!(p0 U p1)))'
Stuttering acceptance computed with spot in 111 ms :[true, (AND p0 p1), p0, p1]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 1064 steps with 174 reset in 7 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-14 finished in 606 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&&(p1 U p2)))))'
Support contains 4 out of 1582 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1582/1582 places, 2021/2021 transitions.
Graph (trivial) has 1919 edges and 1582 vertex of which 698 / 1582 are part of one of the 63 SCC in 0 ms
Free SCC test removed 635 places
Ensure Unique test removed 735 transitions
Reduce isomorphic transitions removed 735 transitions.
Graph (complete) has 1469 edges and 947 vertex of which 938 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 519 transitions
Trivial Post-agglo rules discarded 519 transitions
Performed 519 trivial Post agglomeration. Transition count delta: 519
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 937 transition count 761
Reduce places removed 519 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 540 rules applied. Total rules applied 1061 place count 418 transition count 740
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1070 place count 409 transition count 740
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 48 Pre rules applied. Total rules applied 1070 place count 409 transition count 692
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 1166 place count 361 transition count 692
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 1185 place count 342 transition count 663
Iterating global reduction 3 with 19 rules applied. Total rules applied 1204 place count 342 transition count 663
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1206 place count 342 transition count 661
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1208 place count 340 transition count 661
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 1222 place count 326 transition count 642
Iterating global reduction 5 with 14 rules applied. Total rules applied 1236 place count 326 transition count 642
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1244 place count 326 transition count 634
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1245 place count 325 transition count 634
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1249 place count 321 transition count 626
Iterating global reduction 7 with 4 rules applied. Total rules applied 1253 place count 321 transition count 626
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1255 place count 319 transition count 622
Iterating global reduction 7 with 2 rules applied. Total rules applied 1257 place count 319 transition count 622
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1259 place count 317 transition count 618
Iterating global reduction 7 with 2 rules applied. Total rules applied 1261 place count 317 transition count 618
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1263 place count 315 transition count 614
Iterating global reduction 7 with 2 rules applied. Total rules applied 1265 place count 315 transition count 614
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1267 place count 313 transition count 610
Iterating global reduction 7 with 2 rules applied. Total rules applied 1269 place count 313 transition count 610
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1270 place count 312 transition count 603
Iterating global reduction 7 with 1 rules applied. Total rules applied 1271 place count 312 transition count 603
Performed 145 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 7 with 290 rules applied. Total rules applied 1561 place count 167 transition count 371
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1574 place count 167 transition count 358
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1579 place count 162 transition count 348
Iterating global reduction 8 with 5 rules applied. Total rules applied 1584 place count 162 transition count 348
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 1610 place count 149 transition count 333
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1624 place count 149 transition count 319
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 1660 place count 131 transition count 365
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1677 place count 131 transition count 348
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1686 place count 122 transition count 330
Iterating global reduction 10 with 9 rules applied. Total rules applied 1695 place count 122 transition count 330
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1701 place count 122 transition count 324
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 11 with 38 rules applied. Total rules applied 1739 place count 122 transition count 286
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 1741 place count 122 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1742 place count 121 transition count 285
Applied a total of 1742 rules in 65 ms. Remains 121 /1582 variables (removed 1461) and now considering 285/2021 (removed 1736) transitions.
[2026-05-23 05:56:53] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13048620724181367913.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3036843420136260832.kers'
[2026-05-23 05:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13048620724181367913.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3036843420136260832.kers]
Normalized transition count is 225 out of 226 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 225 rows 121 cols 670 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-23 05:56:53] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3036843420136260832.kers
Total runtime 1 ms.
[2026-05-23 05:56:54] [INFO ] Implicit Places using invariants in 219 ms returned []
[2026-05-23 05:56:54] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
[2026-05-23 05:56:54] [INFO ] Invariant cache hit.
[2026-05-23 05:56:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:56:54] [INFO ] Implicit Places using invariants and state equation in 275 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 497 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/1582 places, 285/2021 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 119 transition count 284
Applied a total of 2 rules in 7 ms. Remains 119 /120 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2026-05-23 05:56:54] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7737103244806040888.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9156607950109312596.kers'
[2026-05-23 05:56:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7737103244806040888.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9156607950109312596.kers]
Normalized transition count is 224 out of 225 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 224 rows 119 cols 678 entries
Finished phase 1 with 119 SingleSign rule and 0 generalized
[2026-05-23 05:56:54] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9156607950109312596.kers
Total runtime 2 ms.
[2026-05-23 05:56:54] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 05:56:54] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
[2026-05-23 05:56:54] [INFO ] Invariant cache hit.
[2026-05-23 05:56:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 05:56:54] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 119/1582 places, 284/2021 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 740 ms. Remains : 119/1582 places, 284/2021 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 U p1)&&p2))))'
Stuttering acceptance computed with spot in 75 ms :[(OR (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLCardinality-15
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLCardinality-15 finished in 838 ms.
All properties solved by simple procedures.
Total runtime 422582 ms.

BK_STOP 1779515814751

--------------------
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="CloudReconfiguration-PT-319"
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 CloudReconfiguration-PT-319, 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 r066-tall-177946967600251"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-319.tgz
mv CloudReconfiguration-PT-319 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;