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-177946967600252.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600252
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779515825868

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202604301425
[2026-05-23 05:57:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 05:57:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 05:57:07] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2026-05-23 05:57:07] [INFO ] Transformed 2587 places.
[2026-05-23 05:57:07] [INFO ] Transformed 3099 transitions.
[2026-05-23 05:57:07] [INFO ] Found NUPN structural information;
[2026-05-23 05:57:07] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 255 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA CloudReconfiguration-PT-319-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 2587 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Discarding 514 places :
Symmetric choice reduction at 0 with 514 rule applications. Total rules 514 place count 2073 transition count 2585
Iterating global reduction 0 with 514 rules applied. Total rules applied 1028 place count 2073 transition count 2585
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1057 place count 2073 transition count 2556
Discarding 236 places :
Symmetric choice reduction at 1 with 236 rule applications. Total rules 1293 place count 1837 transition count 2320
Iterating global reduction 1 with 236 rules applied. Total rules applied 1529 place count 1837 transition count 2320
Discarding 89 places :
Symmetric choice reduction at 1 with 89 rule applications. Total rules 1618 place count 1748 transition count 2231
Iterating global reduction 1 with 89 rules applied. Total rules applied 1707 place count 1748 transition count 2231
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 1724 place count 1748 transition count 2214
Discarding 47 places :
Symmetric choice reduction at 2 with 47 rule applications. Total rules 1771 place count 1701 transition count 2167
Iterating global reduction 2 with 47 rules applied. Total rules applied 1818 place count 1701 transition count 2167
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1827 place count 1701 transition count 2158
Discarding 37 places :
Symmetric choice reduction at 3 with 37 rule applications. Total rules 1864 place count 1664 transition count 2117
Iterating global reduction 3 with 37 rules applied. Total rules applied 1901 place count 1664 transition count 2117
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 1927 place count 1638 transition count 2091
Iterating global reduction 3 with 26 rules applied. Total rules applied 1953 place count 1638 transition count 2091
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1978 place count 1613 transition count 2066
Iterating global reduction 3 with 25 rules applied. Total rules applied 2003 place count 1613 transition count 2066
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 2028 place count 1588 transition count 2041
Iterating global reduction 3 with 25 rules applied. Total rules applied 2053 place count 1588 transition count 2041
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2073 place count 1568 transition count 2010
Iterating global reduction 3 with 20 rules applied. Total rules applied 2093 place count 1568 transition count 2010
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 2101 place count 1560 transition count 1997
Iterating global reduction 3 with 8 rules applied. Total rules applied 2109 place count 1560 transition count 1997
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 2117 place count 1552 transition count 1986
Iterating global reduction 3 with 8 rules applied. Total rules applied 2125 place count 1552 transition count 1986
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2127 place count 1552 transition count 1984
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 2130 place count 1549 transition count 1981
Iterating global reduction 4 with 3 rules applied. Total rules applied 2133 place count 1549 transition count 1981
Applied a total of 2133 rules in 1489 ms. Remains 1549 /2587 variables (removed 1038) and now considering 1981/3099 (removed 1118) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7961093139267078269.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10163266225410525710.kers'
[2026-05-23 05:57:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7961093139267078269.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10163266225410525710.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1981 rows 1549 cols 4145 entries
Finished phase 1 with 1544 SingleSign rule and 1 generalized
[2026-05-23 05:57:09] [INFO ] Computed 4 invariants in 10 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-10163266225410525710.kers
Total runtime 13 ms.
[2026-05-23 05:57:09] [INFO ] Implicit Places using invariants in 481 ms returned []
[2026-05-23 05:57:09] [INFO ] Invariant cache hit.
[2026-05-23 05:57:10] [INFO ] Implicit Places using invariants and state equation in 1064 ms returned []
Implicit Place search using SMT with State Equation took 1576 ms to find 0 implicit places.
Running 1980 sub problems to find dead transitions.
[2026-05-23 05:57:10] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1548 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1980 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1548/3530 variables, and 4 constraints, problems are : Problem set: 0 solved, 1980 unsolved in 30063 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1549 constraints, PredecessorRefiner: 1980/1980 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1980 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1548 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1980 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1548/3530 variables, and 4 constraints, problems are : Problem set: 0 solved, 1980 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1549 constraints, PredecessorRefiner: 0/1980 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60618ms problems are : Problem set: 0 solved, 1980 unsolved
Search for dead transitions found 0 dead transitions in 60636ms
Starting structural reductions in LTL mode, iteration 1 : 1549/2587 places, 1981/3099 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63750 ms. Remains : 1549/2587 places, 1981/3099 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Applied a total of 0 rules in 58 ms. Remains 1549 /1549 variables (removed 0) and now considering 1981/1981 (removed 0) transitions.
[2026-05-23 05:58:11] [INFO ] Invariant cache hit.
[2026-05-23 05:58:11] [INFO ] Implicit Places using invariants in 225 ms returned []
[2026-05-23 05:58:11] [INFO ] Invariant cache hit.
[2026-05-23 05:58:12] [INFO ] Implicit Places using invariants and state equation in 920 ms returned []
Implicit Place search using SMT with State Equation took 1150 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1211 ms. Remains : 1549/1549 places, 1981/1981 transitions.
Support contains 33 out of 1549 places after structural reductions.
[2026-05-23 05:58:12] [INFO ] Flatten gal took : 119 ms
[2026-05-23 05:58:12] [INFO ] Flatten gal took : 66 ms
[2026-05-23 05:58:13] [INFO ] Input system was already deterministic with 1981 transitions.
Support contains 32 out of 1549 places (down from 33) after GAL structural reductions.
RANDOM walk for 40000 steps (473 resets) in 1331 ms. (30 steps per ms) remains 28/32 properties
BEST_FIRST walk for 4002 steps (14 resets) in 53 ms. (74 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4003 steps (17 resets) in 65 ms. (60 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4001 steps (18 resets) in 57 ms. (68 steps per ms) remains 25/27 properties
BEST_FIRST walk for 4003 steps (19 resets) in 28 ms. (138 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (19 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (11 resets) in 18 ms. (210 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4003 steps (15 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (20 resets) in 31 ms. (125 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (18 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (22 resets) in 18 ms. (210 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4002 steps (21 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (20 resets) in 57 ms. (69 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (16 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (19 resets) in 23 ms. (166 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (21 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (22 resets) in 22 ms. (174 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (16 resets) in 25 ms. (153 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (19 resets) in 19 ms. (200 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (16 resets) in 15 ms. (250 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (21 resets) in 16 ms. (235 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (21 resets) in 12 ms. (307 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (19 resets) in 16 ms. (235 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (19 resets) in 18 ms. (210 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (19 resets) in 15 ms. (250 steps per ms) remains 23/23 properties
[2026-05-23 05:58:13] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 1515/1538 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1538 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 1971/3509 variables, 1538/1542 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3509 variables, 0/1542 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (OVERLAPS) 2/3511 variables, 1/1543 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3511 variables, 0/1543 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 7 (OVERLAPS) 2/3513 variables, 1/1544 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3513 variables, 0/1544 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 9 (OVERLAPS) 2/3515 variables, 1/1545 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3515/3530 variables, and 1545 constraints, problems are : Problem set: 0 solved, 23 unsolved in 5012 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1541/1549 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 23 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (OVERLAPS) 1515/1538 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1538 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (OVERLAPS) 1971/3509 variables, 1538/1542 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3509 variables, 23/1565 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3509 variables, 0/1565 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 6 (OVERLAPS) 2/3511 variables, 1/1566 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3511/3530 variables, and 1566 constraints, problems are : Problem set: 0 solved, 23 unsolved in 5012 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1539/1549 constraints, PredecessorRefiner: 23/23 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10048ms problems are : Problem set: 0 solved, 23 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 1549 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Graph (trivial) has 1834 edges and 1549 vertex of which 653 / 1549 are part of one of the 60 SCC in 18 ms
Free SCC test removed 593 places
Drop transitions (Empty/Sink Transition effects.) removed 747 transitions
Reduce isomorphic transitions removed 747 transitions.
Graph (complete) has 1416 edges and 956 vertex of which 947 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 501 transitions
Trivial Post-agglo rules discarded 501 transitions
Performed 501 trivial Post agglomeration. Transition count delta: 501
Iterating post reduction 0 with 508 rules applied. Total rules applied 510 place count 947 transition count 722
Reduce places removed 501 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 28 transitions
Trivial Post-agglo rules discarded 28 transitions
Performed 28 trivial Post agglomeration. Transition count delta: 28
Iterating post reduction 1 with 544 rules applied. Total rules applied 1054 place count 446 transition count 679
Reduce places removed 28 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 33 rules applied. Total rules applied 1087 place count 418 transition count 674
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 1092 place count 413 transition count 674
Performed 55 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 55 Pre rules applied. Total rules applied 1092 place count 413 transition count 619
Deduced a syphon composed of 55 places in 0 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 4 with 110 rules applied. Total rules applied 1202 place count 358 transition count 619
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1212 place count 348 transition count 605
Iterating global reduction 4 with 10 rules applied. Total rules applied 1222 place count 348 transition count 605
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 1224 place count 348 transition count 603
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1226 place count 346 transition count 603
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 1232 place count 340 transition count 597
Iterating global reduction 6 with 6 rules applied. Total rules applied 1238 place count 340 transition count 597
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1244 place count 340 transition count 591
Performed 161 Post agglomeration using F-continuation condition with reduction of 94 identical transitions.
Deduced a syphon composed of 161 places in 0 ms
Reduce places removed 161 places and 0 transitions.
Iterating global reduction 7 with 322 rules applied. Total rules applied 1566 place count 179 transition count 336
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 7 with 20 rules applied. Total rules applied 1586 place count 179 transition count 316
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1588 place count 177 transition count 314
Iterating global reduction 8 with 2 rules applied. Total rules applied 1590 place count 177 transition count 314
Performed 12 Post agglomeration using F-continuation condition with reduction of 1 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 1614 place count 165 transition count 301
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1628 place count 165 transition count 287
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 1632 place count 163 transition count 285
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1637 place count 163 transition count 280
Performed 36 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 10 with 72 rules applied. Total rules applied 1709 place count 127 transition count 298
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 10 with 27 rules applied. Total rules applied 1736 place count 127 transition count 271
Discarding 21 places :
Symmetric choice reduction at 11 with 21 rule applications. Total rules 1757 place count 106 transition count 229
Iterating global reduction 11 with 21 rules applied. Total rules applied 1778 place count 106 transition count 229
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 11 with 8 rules applied. Total rules applied 1786 place count 106 transition count 221
Discarding 5 places :
Symmetric choice reduction at 12 with 5 rule applications. Total rules 1791 place count 101 transition count 211
Iterating global reduction 12 with 5 rules applied. Total rules applied 1796 place count 101 transition count 211
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1798 place count 101 transition count 209
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1800 place count 100 transition count 224
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 13 with 10 rules applied. Total rules applied 1810 place count 100 transition count 214
Free-agglomeration rule applied 7 times.
Iterating global reduction 13 with 7 rules applied. Total rules applied 1817 place count 100 transition count 207
Reduce places removed 7 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 8 rules applied. Total rules applied 1825 place count 93 transition count 206
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1827 place count 93 transition count 204
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 14 with 5 rules applied. Total rules applied 1832 place count 93 transition count 204
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1834 place count 93 transition count 202
Free-agglomeration rule applied 1 times.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1835 place count 93 transition count 201
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 1837 place count 92 transition count 200
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1839 place count 92 transition count 200
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 1840 place count 92 transition count 199
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1841 place count 91 transition count 198
Applied a total of 1841 rules in 177 ms. Remains 91 /1549 variables (removed 1458) and now considering 198/1981 (removed 1783) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 91/1549 places, 198/1981 transitions.
RANDOM walk for 32141 steps (668 resets) in 530 ms. (60 steps per ms) remains 0/23 properties
FORMULA CloudReconfiguration-PT-319-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA CloudReconfiguration-PT-319-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2168 edges and 1549 vertex of which 1540 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.25 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1534 transition count 1965
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1534 transition count 1965
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 38 place count 1526 transition count 1957
Iterating global reduction 0 with 8 rules applied. Total rules applied 46 place count 1526 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 47 place count 1526 transition count 1956
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 51 place count 1522 transition count 1951
Iterating global reduction 1 with 4 rules applied. Total rules applied 55 place count 1522 transition count 1951
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 58 place count 1519 transition count 1948
Iterating global reduction 1 with 3 rules applied. Total rules applied 61 place count 1519 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 64 place count 1516 transition count 1944
Iterating global reduction 1 with 3 rules applied. Total rules applied 67 place count 1516 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 70 place count 1513 transition count 1940
Iterating global reduction 1 with 3 rules applied. Total rules applied 73 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1939
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 1511 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 1511 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 1510 transition count 1936
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 1510 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 80 place count 1509 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 81 place count 1509 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 82 place count 1508 transition count 1933
Iterating global reduction 1 with 1 rules applied. Total rules applied 83 place count 1508 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 84 place count 1508 transition count 1932
Applied a total of 84 rules in 588 ms. Remains 1508 /1549 variables (removed 41) and now considering 1932/1981 (removed 49) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14155054234224448502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2337284436513992782.kers'
[2026-05-23 05:58:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14155054234224448502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2337284436513992782.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1932 rows 1508 cols 4043 entries
Finished phase 1 with 1503 SingleSign rule and 1 generalized
[2026-05-23 05:58:25] [INFO ] Computed 4 invariants in 11 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-2337284436513992782.kers
Total runtime 12 ms.
[2026-05-23 05:58:25] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-23 05:58:25] [INFO ] Invariant cache hit.
[2026-05-23 05:58:26] [INFO ] Implicit Places using invariants and state equation in 1021 ms returned []
Implicit Place search using SMT with State Equation took 1257 ms to find 0 implicit places.
Running 1931 sub problems to find dead transitions.
[2026-05-23 05:58:26] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1931/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1931 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60447ms problems are : Problem set: 0 solved, 1931 unsolved
Search for dead transitions found 0 dead transitions in 60454ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1549 places, 1932/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62307 ms. Remains : 1508/1549 places, 1932/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Stuttering acceptance computed with spot in 338 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-00
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-00 finished in 62726 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1)&&F(G(p2)))))'
Support contains 3 out of 1549 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Graph (trivial) has 1881 edges and 1549 vertex of which 691 / 1549 are part of one of the 62 SCC in 5 ms
Free SCC test removed 629 places
Ensure Unique test removed 732 transitions
Reduce isomorphic transitions removed 732 transitions.
Graph (complete) has 1430 edges and 920 vertex of which 911 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 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 496 transitions
Trivial Post-agglo rules discarded 496 transitions
Performed 496 trivial Post agglomeration. Transition count delta: 496
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 910 transition count 747
Reduce places removed 496 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 522 rules applied. Total rules applied 1020 place count 414 transition count 721
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 1033 place count 401 transition count 721
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 47 Pre rules applied. Total rules applied 1033 place count 401 transition count 674
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 3 with 94 rules applied. Total rules applied 1127 place count 354 transition count 674
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1145 place count 336 transition count 646
Iterating global reduction 3 with 18 rules applied. Total rules applied 1163 place count 336 transition count 646
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 1165 place count 336 transition count 644
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1167 place count 334 transition count 644
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1177 place count 324 transition count 632
Iterating global reduction 5 with 10 rules applied. Total rules applied 1187 place count 324 transition count 632
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 1195 place count 324 transition count 624
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1196 place count 323 transition count 624
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1198 place count 321 transition count 620
Iterating global reduction 7 with 2 rules applied. Total rules applied 1200 place count 321 transition count 620
Performed 147 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 147 places in 1 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 7 with 294 rules applied. Total rules applied 1494 place count 174 transition count 392
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1508 place count 174 transition count 378
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 1514 place count 168 transition count 369
Iterating global reduction 8 with 6 rules applied. Total rules applied 1520 place count 168 transition count 369
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1521 place count 168 transition count 368
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1522 place count 167 transition count 366
Iterating global reduction 9 with 1 rules applied. Total rules applied 1523 place count 167 transition count 366
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1524 place count 166 transition count 364
Iterating global reduction 9 with 1 rules applied. Total rules applied 1525 place count 166 transition count 364
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1526 place count 165 transition count 362
Iterating global reduction 9 with 1 rules applied. Total rules applied 1527 place count 165 transition count 362
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 9 with 24 rules applied. Total rules applied 1551 place count 153 transition count 348
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1564 place count 153 transition count 335
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1565 place count 152 transition count 333
Iterating global reduction 10 with 1 rules applied. Total rules applied 1566 place count 152 transition count 333
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -55
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 10 with 38 rules applied. Total rules applied 1604 place count 133 transition count 388
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 10 with 25 rules applied. Total rules applied 1629 place count 133 transition count 363
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 1638 place count 124 transition count 345
Iterating global reduction 11 with 9 rules applied. Total rules applied 1647 place count 124 transition count 345
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1653 place count 124 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 12 with 41 rules applied. Total rules applied 1694 place count 124 transition count 298
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 1695 place count 124 transition count 298
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 1696 place count 123 transition count 297
Applied a total of 1696 rules in 161 ms. Remains 123 /1549 variables (removed 1426) and now considering 297/1981 (removed 1684) transitions.
[2026-05-23 05:59:27] [INFO ] Flow matrix only has 238 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-5630584026214690369.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15225671134024014174.kers'
[2026-05-23 05:59:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5630584026214690369.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15225671134024014174.kers]
Normalized transition count is 237 out of 238 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 237 rows 123 cols 701 entries
Finished phase 1 with 123 SingleSign rule and 0 generalized
[2026-05-23 05:59:27] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15225671134024014174.kers
Total runtime 1 ms.
[2026-05-23 05:59:27] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-23 05:59:27] [INFO ] Flow matrix only has 238 transitions (discarded 59 similar events)
[2026-05-23 05:59:27] [INFO ] Invariant cache hit.
[2026-05-23 05:59:27] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-23 05:59:27] [INFO ] Implicit Places using invariants and state equation in 149 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 208 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/1549 places, 297/1981 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 121 transition count 296
Applied a total of 2 rules in 14 ms. Remains 121 /122 variables (removed 1) and now considering 296/297 (removed 1) transitions.
[2026-05-23 05:59:27] [INFO ] Flow matrix only has 237 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-13959850917070099963.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14311753626375149324.kers'
[2026-05-23 05:59:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13959850917070099963.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14311753626375149324.kers]
Normalized transition count is 236 out of 237 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 236 rows 121 cols 709 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-23 05:59:27] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14311753626375149324.kers
Total runtime 1 ms.
[2026-05-23 05:59:27] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 05:59:27] [INFO ] Flow matrix only has 237 transitions (discarded 59 similar events)
[2026-05-23 05:59:27] [INFO ] Invariant cache hit.
[2026-05-23 05:59:27] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-23 05:59:27] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 121/1549 places, 296/1981 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 562 ms. Remains : 121/1549 places, 296/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1)&&F(G(p2)))))'
Stuttering acceptance computed with spot in 206 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-01 finished in 805 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!X((F(p0) U p1)) U (p1 U p2))&&F(p3)))'
Support contains 4 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1537 transition count 1968
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1537 transition count 1968
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 30 place count 1531 transition count 1962
Iterating global reduction 0 with 6 rules applied. Total rules applied 36 place count 1531 transition count 1962
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 37 place count 1531 transition count 1961
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 1529 transition count 1959
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 1529 transition count 1959
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 43 place count 1527 transition count 1957
Iterating global reduction 1 with 2 rules applied. Total rules applied 45 place count 1527 transition count 1957
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 47 place count 1525 transition count 1954
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 1525 transition count 1954
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 51 place count 1523 transition count 1952
Iterating global reduction 1 with 2 rules applied. Total rules applied 53 place count 1523 transition count 1952
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 54 place count 1522 transition count 1951
Iterating global reduction 1 with 1 rules applied. Total rules applied 55 place count 1522 transition count 1951
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 56 place count 1521 transition count 1950
Iterating global reduction 1 with 1 rules applied. Total rules applied 57 place count 1521 transition count 1950
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 58 place count 1520 transition count 1948
Iterating global reduction 1 with 1 rules applied. Total rules applied 59 place count 1520 transition count 1948
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 60 place count 1519 transition count 1946
Iterating global reduction 1 with 1 rules applied. Total rules applied 61 place count 1519 transition count 1946
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 62 place count 1518 transition count 1945
Iterating global reduction 1 with 1 rules applied. Total rules applied 63 place count 1518 transition count 1945
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 64 place count 1518 transition count 1944
Applied a total of 64 rules in 636 ms. Remains 1518 /1549 variables (removed 31) and now considering 1944/1981 (removed 37) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12956592146168250275.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15380392108161335955.kers'
[2026-05-23 05:59:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12956592146168250275.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15380392108161335955.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1944 rows 1518 cols 4069 entries
Finished phase 1 with 1513 SingleSign rule and 1 generalized
[2026-05-23 05:59:28] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-15380392108161335955.kers
Total runtime 17 ms.
[2026-05-23 05:59:28] [INFO ] Implicit Places using invariants in 266 ms returned []
[2026-05-23 05:59:28] [INFO ] Invariant cache hit.
[2026-05-23 05:59:29] [INFO ] Implicit Places using invariants and state equation in 1014 ms returned []
Implicit Place search using SMT with State Equation took 1282 ms to find 0 implicit places.
Running 1943 sub problems to find dead transitions.
[2026-05-23 05:59:29] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1517 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1943 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1517/3462 variables, and 4 constraints, problems are : Problem set: 0 solved, 1943 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1518 constraints, PredecessorRefiner: 1943/1943 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1943 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1517 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1943 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1517/3462 variables, and 4 constraints, problems are : Problem set: 0 solved, 1943 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1518 constraints, PredecessorRefiner: 0/1943 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60463ms problems are : Problem set: 0 solved, 1943 unsolved
Search for dead transitions found 0 dead transitions in 60467ms
Starting structural reductions in LTL mode, iteration 1 : 1518/1549 places, 1944/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62394 ms. Remains : 1518/1549 places, 1944/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!X((F(p0) U p1)) U (p1 U p2))&&F(p3)))'
Stuttering acceptance computed with spot in 289 ms :[(OR (NOT p3) p2), true, p2, (NOT p3), (AND (NOT p1) p2), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-02
Stuttering criterion allowed to conclude after 369 steps with 2 reset in 8 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-02 finished in 62754 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((G(p0)||(p0&&G(F(!p1)))||(p0&&F(!p1)&&X(F(p2)))))))'
Support contains 4 out of 1549 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Graph (trivial) has 1881 edges and 1549 vertex of which 682 / 1549 are part of one of the 63 SCC in 5 ms
Free SCC test removed 619 places
Ensure Unique test removed 717 transitions
Reduce isomorphic transitions removed 717 transitions.
Graph (complete) has 1445 edges and 930 vertex of which 921 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 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 499 transitions
Trivial Post-agglo rules discarded 499 transitions
Performed 499 trivial Post agglomeration. Transition count delta: 499
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 920 transition count 759
Reduce places removed 499 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 525 rules applied. Total rules applied 1026 place count 421 transition count 733
Reduce places removed 13 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 14 rules applied. Total rules applied 1040 place count 408 transition count 732
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1041 place count 407 transition count 732
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 47 Pre rules applied. Total rules applied 1041 place count 407 transition count 685
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 4 with 94 rules applied. Total rules applied 1135 place count 360 transition count 685
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1153 place count 342 transition count 657
Iterating global reduction 4 with 18 rules applied. Total rules applied 1171 place count 342 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 1173 place count 342 transition count 655
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1175 place count 340 transition count 655
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1186 place count 329 transition count 641
Iterating global reduction 6 with 11 rules applied. Total rules applied 1197 place count 329 transition count 641
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 1205 place count 329 transition count 633
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1206 place count 328 transition count 633
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1209 place count 325 transition count 627
Iterating global reduction 8 with 3 rules applied. Total rules applied 1212 place count 325 transition count 627
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1213 place count 324 transition count 625
Iterating global reduction 8 with 1 rules applied. Total rules applied 1214 place count 324 transition count 625
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1215 place count 323 transition count 623
Iterating global reduction 8 with 1 rules applied. Total rules applied 1216 place count 323 transition count 623
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1217 place count 322 transition count 621
Iterating global reduction 8 with 1 rules applied. Total rules applied 1218 place count 322 transition count 621
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1219 place count 321 transition count 619
Iterating global reduction 8 with 1 rules applied. Total rules applied 1220 place count 321 transition count 619
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1221 place count 320 transition count 612
Iterating global reduction 8 with 1 rules applied. Total rules applied 1222 place count 320 transition count 612
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 1 rules applied. Total rules applied 1223 place count 320 transition count 611
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1224 place count 319 transition count 611
Performed 148 Post agglomeration using F-continuation condition with reduction of 82 identical transitions.
Deduced a syphon composed of 148 places in 1 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 10 with 296 rules applied. Total rules applied 1520 place count 171 transition count 381
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 10 with 13 rules applied. Total rules applied 1533 place count 171 transition count 368
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 1539 place count 165 transition count 359
Iterating global reduction 11 with 6 rules applied. Total rules applied 1545 place count 165 transition count 359
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 1546 place count 165 transition count 358
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1547 place count 164 transition count 356
Iterating global reduction 12 with 1 rules applied. Total rules applied 1548 place count 164 transition count 356
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1549 place count 163 transition count 354
Iterating global reduction 12 with 1 rules applied. Total rules applied 1550 place count 163 transition count 354
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1551 place count 162 transition count 352
Iterating global reduction 12 with 1 rules applied. Total rules applied 1552 place count 162 transition count 352
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 12 with 26 rules applied. Total rules applied 1578 place count 149 transition count 337
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 12 with 12 rules applied. Total rules applied 1590 place count 149 transition count 325
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1592 place count 147 transition count 317
Iterating global reduction 13 with 2 rules applied. Total rules applied 1594 place count 147 transition count 317
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -47
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 13 with 34 rules applied. Total rules applied 1628 place count 130 transition count 364
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 13 with 19 rules applied. Total rules applied 1647 place count 130 transition count 345
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1656 place count 121 transition count 327
Iterating global reduction 14 with 9 rules applied. Total rules applied 1665 place count 121 transition count 327
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1671 place count 121 transition count 321
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 15 with 35 rules applied. Total rules applied 1706 place count 121 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1707 place count 120 transition count 285
Applied a total of 1707 rules in 105 ms. Remains 120 /1549 variables (removed 1429) and now considering 285/1981 (removed 1696) transitions.
[2026-05-23 06:00:30] [INFO ] Flow matrix only has 228 transitions (discarded 57 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5897853728682724688.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9940513271400647319.kers'
[2026-05-23 06:00:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5897853728682724688.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9940513271400647319.kers]
Normalized transition count is 227 out of 228 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 227 rows 120 cols 678 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-23 06:00:30] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9940513271400647319.kers
Total runtime 3 ms.
[2026-05-23 06:00:30] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-23 06:00:30] [INFO ] Flow matrix only has 228 transitions (discarded 57 similar events)
[2026-05-23 06:00:30] [INFO ] Invariant cache hit.
[2026-05-23 06:00:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants and state equation in 115 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 172 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/1549 places, 285/1981 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 118 transition count 284
Applied a total of 2 rules in 7 ms. Remains 118 /119 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 227 transitions (discarded 57 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6118970975859670531.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1798921493604605480.kers'
[2026-05-23 06:00:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6118970975859670531.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1798921493604605480.kers]
Normalized transition count is 226 out of 227 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 226 rows 118 cols 687 entries
Finished phase 1 with 118 SingleSign rule and 0 generalized
[2026-05-23 06:00:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1798921493604605480.kers
Total runtime 1 ms.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 227 transitions (discarded 57 similar events)
[2026-05-23 06:00:31] [INFO ] Invariant cache hit.
[2026-05-23 06:00:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 118/1549 places, 284/1981 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 448 ms. Remains : 118/1549 places, 284/1981 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((G(p0)||(p0&&G(F(p1)))||(p0&&F(p1)&&X(F(p2)))))))'
Stuttering acceptance computed with spot in 221 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-03 finished in 727 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 1549 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Graph (trivial) has 1886 edges and 1549 vertex of which 697 / 1549 are part of one of the 63 SCC in 5 ms
Free SCC test removed 634 places
Ensure Unique test removed 737 transitions
Reduce isomorphic transitions removed 737 transitions.
Graph (complete) has 1425 edges and 915 vertex of which 906 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 496 transitions
Trivial Post-agglo rules discarded 496 transitions
Performed 496 trivial Post agglomeration. Transition count delta: 496
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 905 transition count 742
Reduce places removed 496 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 521 rules applied. Total rules applied 1019 place count 409 transition count 717
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1031 place count 397 transition count 717
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1031 place count 397 transition count 671
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 1123 place count 351 transition count 671
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1141 place count 333 transition count 643
Iterating global reduction 3 with 18 rules applied. Total rules applied 1159 place count 333 transition count 643
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 1161 place count 333 transition count 641
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1163 place count 331 transition count 641
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 1174 place count 320 transition count 627
Iterating global reduction 5 with 11 rules applied. Total rules applied 1185 place count 320 transition count 627
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 1193 place count 320 transition count 619
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1194 place count 319 transition count 619
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1197 place count 316 transition count 613
Iterating global reduction 7 with 3 rules applied. Total rules applied 1200 place count 316 transition count 613
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1201 place count 315 transition count 611
Iterating global reduction 7 with 1 rules applied. Total rules applied 1202 place count 315 transition count 611
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1203 place count 314 transition count 609
Iterating global reduction 7 with 1 rules applied. Total rules applied 1204 place count 314 transition count 609
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1205 place count 313 transition count 607
Iterating global reduction 7 with 1 rules applied. Total rules applied 1206 place count 313 transition count 607
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1207 place count 312 transition count 605
Iterating global reduction 7 with 1 rules applied. Total rules applied 1208 place count 312 transition count 605
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1209 place count 311 transition count 598
Iterating global reduction 7 with 1 rules applied. Total rules applied 1210 place count 311 transition count 598
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 7 with 1 rules applied. Total rules applied 1211 place count 311 transition count 597
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1212 place count 310 transition count 597
Performed 144 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 144 places in 0 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 9 with 288 rules applied. Total rules applied 1500 place count 166 transition count 372
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 9 with 11 rules applied. Total rules applied 1511 place count 166 transition count 361
Discarding 6 places :
Symmetric choice reduction at 10 with 6 rule applications. Total rules 1517 place count 160 transition count 352
Iterating global reduction 10 with 6 rules applied. Total rules applied 1523 place count 160 transition count 352
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1524 place count 160 transition count 351
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1525 place count 159 transition count 349
Iterating global reduction 11 with 1 rules applied. Total rules applied 1526 place count 159 transition count 349
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1527 place count 158 transition count 347
Iterating global reduction 11 with 1 rules applied. Total rules applied 1528 place count 158 transition count 347
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1529 place count 157 transition count 345
Iterating global reduction 11 with 1 rules applied. Total rules applied 1530 place count 157 transition count 345
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 11 with 24 rules applied. Total rules applied 1554 place count 145 transition count 331
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 11 with 12 rules applied. Total rules applied 1566 place count 145 transition count 319
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1567 place count 144 transition count 317
Iterating global reduction 12 with 1 rules applied. Total rules applied 1568 place count 144 transition count 317
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -50
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 12 with 34 rules applied. Total rules applied 1602 place count 127 transition count 367
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 12 with 23 rules applied. Total rules applied 1625 place count 127 transition count 344
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1634 place count 118 transition count 326
Iterating global reduction 13 with 9 rules applied. Total rules applied 1643 place count 118 transition count 326
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1649 place count 118 transition count 320
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 14 with 38 rules applied. Total rules applied 1687 place count 118 transition count 282
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1688 place count 117 transition count 281
Applied a total of 1688 rules in 96 ms. Remains 117 /1549 variables (removed 1432) and now considering 281/1981 (removed 1700) transitions.
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 223 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-7048471677148865083.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7048486465018821832.kers'
[2026-05-23 06:00:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7048471677148865083.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7048486465018821832.kers]
Normalized transition count is 222 out of 223 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 222 rows 117 cols 663 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-23 06:00:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7048486465018821832.kers
Total runtime 1 ms.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 223 transitions (discarded 58 similar events)
[2026-05-23 06:00:31] [INFO ] Invariant cache hit.
[2026-05-23 06:00:31] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants and state equation in 181 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 226 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1549 places, 281/1981 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 115 transition count 280
Applied a total of 2 rules in 8 ms. Remains 115 /116 variables (removed 1) and now considering 280/281 (removed 1) transitions.
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 222 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-7125510113245988606.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7045276905905349248.kers'
[2026-05-23 06:00:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7125510113245988606.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7045276905905349248.kers]
Normalized transition count is 221 out of 222 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 221 rows 115 cols 671 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-23 06:00:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7045276905905349248.kers
Total runtime 1 ms.
[2026-05-23 06:00:31] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 06:00:31] [INFO ] Flow matrix only has 222 transitions (discarded 58 similar events)
[2026-05-23 06:00:31] [INFO ] Invariant cache hit.
[2026-05-23 06:00:31] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 06:00:32] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 115/1549 places, 280/1981 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 482 ms. Remains : 115/1549 places, 280/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-04
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-04 finished in 563 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(p1))))'
Support contains 2 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1534 transition count 1965
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1534 transition count 1965
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 38 place count 1526 transition count 1957
Iterating global reduction 0 with 8 rules applied. Total rules applied 46 place count 1526 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 47 place count 1526 transition count 1956
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 51 place count 1522 transition count 1951
Iterating global reduction 1 with 4 rules applied. Total rules applied 55 place count 1522 transition count 1951
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 58 place count 1519 transition count 1948
Iterating global reduction 1 with 3 rules applied. Total rules applied 61 place count 1519 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 64 place count 1516 transition count 1944
Iterating global reduction 1 with 3 rules applied. Total rules applied 67 place count 1516 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 70 place count 1513 transition count 1940
Iterating global reduction 1 with 3 rules applied. Total rules applied 73 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1939
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 1511 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 1511 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 1510 transition count 1936
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 1510 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 80 place count 1509 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 81 place count 1509 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 82 place count 1508 transition count 1933
Iterating global reduction 1 with 1 rules applied. Total rules applied 83 place count 1508 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 84 place count 1508 transition count 1932
Applied a total of 84 rules in 681 ms. Remains 1508 /1549 variables (removed 41) and now considering 1932/1981 (removed 49) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9910058068125701951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13285606600490352946.kers'
[2026-05-23 06:00:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9910058068125701951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13285606600490352946.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1932 rows 1508 cols 4043 entries
Finished phase 1 with 1503 SingleSign rule and 1 generalized
[2026-05-23 06:00:32] [INFO ] Computed 4 invariants in 15 ms
Computed 4 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-13285606600490352946.kers
Total runtime 19 ms.
[2026-05-23 06:00:33] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-23 06:00:33] [INFO ] Invariant cache hit.
[2026-05-23 06:00:34] [INFO ] Implicit Places using invariants and state equation in 1020 ms returned []
Implicit Place search using SMT with State Equation took 1281 ms to find 0 implicit places.
Running 1931 sub problems to find dead transitions.
[2026-05-23 06:00:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1931/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1931 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60426ms problems are : Problem set: 0 solved, 1931 unsolved
Search for dead transitions found 0 dead transitions in 60431ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1549 places, 1932/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62398 ms. Remains : 1508/1549 places, 1932/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&F(p1))))'
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-05 finished in 62571 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&&F(G(!p0))) U X(p1)) U X(p2)))'
Support contains 3 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1535 transition count 1966
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1535 transition count 1966
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 36 place count 1527 transition count 1958
Iterating global reduction 0 with 8 rules applied. Total rules applied 44 place count 1527 transition count 1958
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 45 place count 1527 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 49 place count 1523 transition count 1952
Iterating global reduction 1 with 4 rules applied. Total rules applied 53 place count 1523 transition count 1952
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 56 place count 1520 transition count 1949
Iterating global reduction 1 with 3 rules applied. Total rules applied 59 place count 1520 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 62 place count 1517 transition count 1945
Iterating global reduction 1 with 3 rules applied. Total rules applied 65 place count 1517 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 68 place count 1514 transition count 1941
Iterating global reduction 1 with 3 rules applied. Total rules applied 71 place count 1514 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 1513 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1939
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 1511 transition count 1937
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 1511 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 1510 transition count 1935
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 80 place count 1509 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 81 place count 1509 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 82 place count 1509 transition count 1933
Applied a total of 82 rules in 680 ms. Remains 1509 /1549 variables (removed 40) and now considering 1933/1981 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11640047477911980829.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17685396711706478821.kers'
[2026-05-23 06:01:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11640047477911980829.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17685396711706478821.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 1933 rows 1509 cols 4045 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 06:01:35] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-17685396711706478821.kers
Total runtime 22 ms.
[2026-05-23 06:01:35] [INFO ] Implicit Places using invariants in 247 ms returned []
[2026-05-23 06:01:35] [INFO ] Invariant cache hit.
[2026-05-23 06:01:36] [INFO ] Implicit Places using invariants and state equation in 961 ms returned []
Implicit Place search using SMT with State Equation took 1222 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2026-05-23 06:01:36] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60436ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60439ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1549 places, 1933/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62349 ms. Remains : 1509/1549 places, 1933/1981 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&&F(G(!p0))) U X(p1)) U X(p2)))'
Stuttering acceptance computed with spot in 332 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), true, p0, (NOT p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-07
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-07 finished in 62735 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) U X(!((p1 U p0)&&F(p2)&&p2)))))'
Support contains 3 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1536 transition count 1967
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1536 transition count 1967
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 1530 transition count 1961
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 1530 transition count 1961
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 41 place count 1527 transition count 1957
Iterating global reduction 0 with 3 rules applied. Total rules applied 44 place count 1527 transition count 1957
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 46 place count 1525 transition count 1955
Iterating global reduction 0 with 2 rules applied. Total rules applied 48 place count 1525 transition count 1955
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 50 place count 1523 transition count 1952
Iterating global reduction 0 with 2 rules applied. Total rules applied 52 place count 1523 transition count 1952
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 54 place count 1521 transition count 1949
Iterating global reduction 0 with 2 rules applied. Total rules applied 56 place count 1521 transition count 1949
Applied a total of 56 rules in 432 ms. Remains 1521 /1549 variables (removed 28) and now considering 1949/1981 (removed 32) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9678664268489521755.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14929827069586750148.kers'
[2026-05-23 06:02:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9678664268489521755.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14929827069586750148.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 1949 rows 1521 cols 4079 entries
Finished phase 1 with 1516 SingleSign rule and 1 generalized
[2026-05-23 06:02:37] [INFO ] Computed 4 invariants in 16 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14929827069586750148.kers
Total runtime 21 ms.
[2026-05-23 06:02:38] [INFO ] Implicit Places using invariants in 253 ms returned []
[2026-05-23 06:02:38] [INFO ] Invariant cache hit.
[2026-05-23 06:02:39] [INFO ] Implicit Places using invariants and state equation in 958 ms returned []
Implicit Place search using SMT with State Equation took 1214 ms to find 0 implicit places.
Running 1948 sub problems to find dead transitions.
[2026-05-23 06:02:39] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1948 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1520/3470 variables, and 4 constraints, problems are : Problem set: 0 solved, 1948 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1521 constraints, PredecessorRefiner: 1948/1948 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1948 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1520 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1948 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1520/3470 variables, and 4 constraints, problems are : Problem set: 0 solved, 1948 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1521 constraints, PredecessorRefiner: 0/1948 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60473ms problems are : Problem set: 0 solved, 1948 unsolved
Search for dead transitions found 0 dead transitions in 60476ms
Starting structural reductions in LTL mode, iteration 1 : 1521/1549 places, 1949/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62130 ms. Remains : 1521/1549 places, 1949/1981 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) U X(!((p1 U p0)&&F(p2)&&p2)))))'
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (OR (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-08 finished in 62330 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((G(p0) U (p1||X(!p1))))&&X(p2))))'
Support contains 2 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1535 transition count 1966
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1535 transition count 1966
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 36 place count 1527 transition count 1958
Iterating global reduction 0 with 8 rules applied. Total rules applied 44 place count 1527 transition count 1958
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 45 place count 1527 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 49 place count 1523 transition count 1952
Iterating global reduction 1 with 4 rules applied. Total rules applied 53 place count 1523 transition count 1952
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 56 place count 1520 transition count 1949
Iterating global reduction 1 with 3 rules applied. Total rules applied 59 place count 1520 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 62 place count 1517 transition count 1945
Iterating global reduction 1 with 3 rules applied. Total rules applied 65 place count 1517 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 68 place count 1514 transition count 1941
Iterating global reduction 1 with 3 rules applied. Total rules applied 71 place count 1514 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 1513 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1939
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 1511 transition count 1937
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 1511 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 1510 transition count 1935
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 80 place count 1509 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 81 place count 1509 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 82 place count 1509 transition count 1933
Applied a total of 82 rules in 691 ms. Remains 1509 /1549 variables (removed 40) and now considering 1933/1981 (removed 48) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15778330378562224889.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11349238737614717768.kers'
[2026-05-23 06:03:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15778330378562224889.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11349238737614717768.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1933 rows 1509 cols 4045 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 06:03:40] [INFO ] Computed 4 invariants in 8 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-11349238737614717768.kers
Total runtime 10 ms.
[2026-05-23 06:03:40] [INFO ] Implicit Places using invariants in 329 ms returned []
[2026-05-23 06:03:40] [INFO ] Invariant cache hit.
[2026-05-23 06:03:41] [INFO ] Implicit Places using invariants and state equation in 975 ms returned []
Implicit Place search using SMT with State Equation took 1316 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2026-05-23 06:03:41] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60425ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60427ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1549 places, 1933/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62440 ms. Remains : 1509/1549 places, 1933/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((G(p0) U (p1||X(!p1))))&&X(p2))))'
Stuttering acceptance computed with spot in 336 ms :[(NOT p2), (NOT p2), p1, false, (NOT p2), (AND (NOT p0) p1), true, (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-10
Product exploration explored 100000 steps with 2272 reset in 260 ms.
Product exploration explored 100000 steps with 2177 reset in 210 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2116 edges and 1509 vertex of which 1500 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 12 factoid took 67 ms. Reduced automaton from 8 states, 15 edges and 3 AP (stutter sensitive) to 7 states, 15 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (477 resets) in 531 ms. (75 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (179 resets) in 154 ms. (258 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (193 resets) in 163 ms. (243 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (185 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (181 resets) in 196 ms. (203 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (193 resets) in 160 ms. (248 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (184 resets) in 91 ms. (434 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 283114 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 6
Probabilistic random walk after 283114 steps, saw 79948 distinct states, run finished after 3007 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-23 06:04:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1496/1498 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1498 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1923/3421 variables, 1498/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3421 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/3423 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3423 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/3425 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3437/3442 variables, and 1510 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5026 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1509 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1496/1498 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1498 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1923/3421 variables, 1498/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3421 variables, 6/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3421 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/3423 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3423 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 2/3425 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3425 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 2/3427 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3427 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 2/3429 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3429 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 2/3431 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3431 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 2/3433 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3433/3442 variables, and 1514 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1504/1509 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10047ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1509/1509 places, 1933/1933 transitions.
Graph (trivial) has 1837 edges and 1509 vertex of which 688 / 1509 are part of one of the 63 SCC in 3 ms
Free SCC test removed 625 places
Drop transitions (Empty/Sink Transition effects.) removed 789 transitions
Reduce isomorphic transitions removed 789 transitions.
Graph (complete) has 1322 edges and 884 vertex of which 875 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 488 transitions
Trivial Post-agglo rules discarded 488 transitions
Performed 488 trivial Post agglomeration. Transition count delta: 488
Iterating post reduction 0 with 495 rules applied. Total rules applied 497 place count 875 transition count 645
Reduce places removed 488 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 548 rules applied. Total rules applied 1045 place count 387 transition count 585
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 2 with 39 rules applied. Total rules applied 1084 place count 348 transition count 585
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 51 Pre rules applied. Total rules applied 1084 place count 348 transition count 534
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 1186 place count 297 transition count 534
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1197 place count 286 transition count 518
Iterating global reduction 3 with 11 rules applied. Total rules applied 1208 place count 286 transition count 518
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 1211 place count 286 transition count 515
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1214 place count 283 transition count 515
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1222 place count 275 transition count 505
Iterating global reduction 5 with 8 rules applied. Total rules applied 1230 place count 275 transition count 505
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1236 place count 275 transition count 499
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1237 place count 274 transition count 493
Iterating global reduction 6 with 1 rules applied. Total rules applied 1238 place count 274 transition count 493
Performed 142 Post agglomeration using F-continuation condition with reduction of 95 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 6 with 284 rules applied. Total rules applied 1522 place count 132 transition count 256
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 1536 place count 132 transition count 242
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1539 place count 129 transition count 239
Iterating global reduction 7 with 3 rules applied. Total rules applied 1542 place count 129 transition count 239
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 7 with 26 rules applied. Total rules applied 1568 place count 116 transition count 223
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1583 place count 116 transition count 208
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 8 with 2 rules applied. Total rules applied 1585 place count 115 transition count 207
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1587 place count 115 transition count 205
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 9 with 2 rules applied. Total rules applied 1589 place count 114 transition count 204
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1591 place count 114 transition count 202
Performed 34 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 10 with 68 rules applied. Total rules applied 1659 place count 80 transition count 246
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 10 with 48 rules applied. Total rules applied 1707 place count 80 transition count 198
Discarding 23 places :
Symmetric choice reduction at 11 with 23 rule applications. Total rules 1730 place count 57 transition count 168
Iterating global reduction 11 with 23 rules applied. Total rules applied 1753 place count 57 transition count 168
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 11 with 13 rules applied. Total rules applied 1766 place count 57 transition count 155
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 1772 place count 51 transition count 143
Iterating global reduction 12 with 6 rules applied. Total rules applied 1778 place count 51 transition count 143
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1784 place count 51 transition count 137
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 13 with 20 rules applied. Total rules applied 1804 place count 51 transition count 117
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1806 place count 49 transition count 111
Iterating global reduction 13 with 2 rules applied. Total rules applied 1808 place count 49 transition count 111
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1810 place count 47 transition count 109
Iterating global reduction 13 with 2 rules applied. Total rules applied 1812 place count 47 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 1816 place count 47 transition count 105
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1818 place count 47 transition count 103
Free-agglomeration rule applied 3 times.
Iterating global reduction 14 with 3 rules applied. Total rules applied 1821 place count 47 transition count 100
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 1825 place count 44 transition count 99
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1827 place count 44 transition count 99
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1828 place count 44 transition count 98
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 1829 place count 43 transition count 97
Iterating global reduction 15 with 1 rules applied. Total rules applied 1830 place count 43 transition count 97
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1831 place count 42 transition count 96
Applied a total of 1831 rules in 92 ms. Remains 42 /1509 variables (removed 1467) and now considering 96/1933 (removed 1837) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 42/1509 places, 96/1933 transitions.
RANDOM walk for 3013 steps (67 resets) in 16 ms. (177 steps per ms) remains 0/6 properties
Knowledge based reduction with 12 factoid took 136 ms. Reduced automaton from 7 states, 15 edges and 2 AP (stutter sensitive) to 7 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 238 ms :[true, p1, (AND p1 (NOT p0)), (NOT p0), false, false, false]
Knowledge-based reduction took 14103 ms.
Stuttering acceptance computed with spot in 250 ms :[true, p1, (AND p1 (NOT p0)), (NOT p0), false, false, false]
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1509/1509 places, 1933/1933 transitions.
Applied a total of 0 rules in 56 ms. Remains 1509 /1509 variables (removed 0) and now considering 1933/1933 (removed 0) transitions.
[2026-05-23 06:04:57] [INFO ] Invariant cache hit.
[2026-05-23 06:04:57] [INFO ] Implicit Places using invariants in 201 ms returned []
[2026-05-23 06:04:57] [INFO ] Invariant cache hit.
[2026-05-23 06:04:58] [INFO ] Implicit Places using invariants and state equation in 1030 ms returned []
Implicit Place search using SMT with State Equation took 1233 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1291 ms. Remains : 1509/1509 places, 1933/1933 transitions.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2116 edges and 1509 vertex of which 1500 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 5 factoid took 62 ms. Reduced automaton from 7 states, 15 edges and 2 AP (stutter sensitive) to 7 states, 15 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (476 resets) in 475 ms. (84 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (166 resets) in 62 ms. (634 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (166 resets) in 60 ms. (655 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (187 resets) in 61 ms. (645 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (182 resets) in 53 ms. (740 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (166 resets) in 105 ms. (377 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (174 resets) in 60 ms. (655 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 279352 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 6
Probabilistic random walk after 279352 steps, saw 79753 distinct states, run finished after 3002 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-23 06:05:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1496/1498 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1498 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1923/3421 variables, 1498/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3421 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/3423 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3423 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/3425 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3437/3442 variables, and 1510 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5023 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1509 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1496/1498 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1498 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1923/3421 variables, 1498/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3421 variables, 6/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3421 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/3423 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3423 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 2/3425 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3425 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 2/3427 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3427 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 2/3429 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3429 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 2/3431 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3431 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 2/3433 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3433/3442 variables, and 1514 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5018 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1504/1509 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10052ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1509/1509 places, 1933/1933 transitions.
Graph (trivial) has 1837 edges and 1509 vertex of which 688 / 1509 are part of one of the 63 SCC in 2 ms
Free SCC test removed 625 places
Drop transitions (Empty/Sink Transition effects.) removed 789 transitions
Reduce isomorphic transitions removed 789 transitions.
Graph (complete) has 1322 edges and 884 vertex of which 875 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 488 transitions
Trivial Post-agglo rules discarded 488 transitions
Performed 488 trivial Post agglomeration. Transition count delta: 488
Iterating post reduction 0 with 495 rules applied. Total rules applied 497 place count 875 transition count 645
Reduce places removed 488 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 548 rules applied. Total rules applied 1045 place count 387 transition count 585
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 2 with 39 rules applied. Total rules applied 1084 place count 348 transition count 585
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 51 Pre rules applied. Total rules applied 1084 place count 348 transition count 534
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 1186 place count 297 transition count 534
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1197 place count 286 transition count 518
Iterating global reduction 3 with 11 rules applied. Total rules applied 1208 place count 286 transition count 518
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 1211 place count 286 transition count 515
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1214 place count 283 transition count 515
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1222 place count 275 transition count 505
Iterating global reduction 5 with 8 rules applied. Total rules applied 1230 place count 275 transition count 505
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1236 place count 275 transition count 499
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1237 place count 274 transition count 493
Iterating global reduction 6 with 1 rules applied. Total rules applied 1238 place count 274 transition count 493
Performed 142 Post agglomeration using F-continuation condition with reduction of 95 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 6 with 284 rules applied. Total rules applied 1522 place count 132 transition count 256
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 1536 place count 132 transition count 242
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1539 place count 129 transition count 239
Iterating global reduction 7 with 3 rules applied. Total rules applied 1542 place count 129 transition count 239
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 7 with 26 rules applied. Total rules applied 1568 place count 116 transition count 223
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1583 place count 116 transition count 208
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 8 with 2 rules applied. Total rules applied 1585 place count 115 transition count 207
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1587 place count 115 transition count 205
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 9 with 2 rules applied. Total rules applied 1589 place count 114 transition count 204
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1591 place count 114 transition count 202
Performed 34 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 10 with 68 rules applied. Total rules applied 1659 place count 80 transition count 246
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 10 with 48 rules applied. Total rules applied 1707 place count 80 transition count 198
Discarding 23 places :
Symmetric choice reduction at 11 with 23 rule applications. Total rules 1730 place count 57 transition count 168
Iterating global reduction 11 with 23 rules applied. Total rules applied 1753 place count 57 transition count 168
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 11 with 13 rules applied. Total rules applied 1766 place count 57 transition count 155
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 1772 place count 51 transition count 143
Iterating global reduction 12 with 6 rules applied. Total rules applied 1778 place count 51 transition count 143
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1784 place count 51 transition count 137
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 13 with 20 rules applied. Total rules applied 1804 place count 51 transition count 117
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1806 place count 49 transition count 111
Iterating global reduction 13 with 2 rules applied. Total rules applied 1808 place count 49 transition count 111
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1810 place count 47 transition count 109
Iterating global reduction 13 with 2 rules applied. Total rules applied 1812 place count 47 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 1816 place count 47 transition count 105
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1818 place count 47 transition count 103
Free-agglomeration rule applied 3 times.
Iterating global reduction 14 with 3 rules applied. Total rules applied 1821 place count 47 transition count 100
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 1825 place count 44 transition count 99
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1827 place count 44 transition count 99
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1828 place count 44 transition count 98
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 1829 place count 43 transition count 97
Iterating global reduction 15 with 1 rules applied. Total rules applied 1830 place count 43 transition count 97
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1831 place count 42 transition count 96
Applied a total of 1831 rules in 82 ms. Remains 42 /1509 variables (removed 1467) and now considering 96/1933 (removed 1837) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 42/1509 places, 96/1933 transitions.
RANDOM walk for 8596 steps (175 resets) in 14 ms. (573 steps per ms) remains 0/6 properties
Knowledge based reduction with 5 factoid took 117 ms. Reduced automaton from 7 states, 15 edges and 2 AP (stutter sensitive) to 7 states, 15 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 238 ms :[true, p1, (AND p1 (NOT p0)), (NOT p0), false, false, false]
Knowledge-based reduction took 13974 ms.
Stuttering acceptance computed with spot in 265 ms :[true, p1, (AND p1 (NOT p0)), (NOT p0), false, false, false]
Stuttering acceptance computed with spot in 247 ms :[true, p1, (AND p1 (NOT p0)), (NOT p0), false, false, false]
Product exploration explored 100000 steps with 1211 reset in 150 ms.
Product exploration explored 100000 steps with 1212 reset in 155 ms.
Spot run failed in 76 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin603882646747219594
[2026-05-23 06:05:13] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin603882646747219594
Running compilation step : cd /tmp/ltsmin603882646747219594;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin603882646747219594;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin603882646747219594;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2 out of 1509 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1509/1509 places, 1933/1933 transitions.
Applied a total of 0 rules in 60 ms. Remains 1509 /1509 variables (removed 0) and now considering 1933/1933 (removed 0) transitions.
[2026-05-23 06:05:16] [INFO ] Invariant cache hit.
[2026-05-23 06:05:16] [INFO ] Implicit Places using invariants in 222 ms returned []
[2026-05-23 06:05:16] [INFO ] Invariant cache hit.
[2026-05-23 06:05:17] [INFO ] Implicit Places using invariants and state equation in 978 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1265 ms. Remains : 1509/1509 places, 1933/1933 transitions.
Built C files in :
/tmp/ltsmin9435754105740320089
[2026-05-23 06:05:17] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9435754105740320089
Running compilation step : cd /tmp/ltsmin9435754105740320089;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9435754105740320089;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9435754105740320089;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 06:05:21] [INFO ] Flatten gal took : 99 ms
[2026-05-23 06:05:21] [INFO ] Flatten gal took : 63 ms
[2026-05-23 06:05:21] [INFO ] Time to serialize gal into /tmp/LTL8012103650603677228.gal : 17 ms
[2026-05-23 06:05:21] [INFO ] Time to serialize properties into /tmp/LTL15086303371983348778.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8012103650603677228.gal' '-t' 'CGAL' '-hoa' '/tmp/aut4784656420218401464.hoa' '-atoms' '/tmp/LTL15086303371983348778.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL15086303371983348778.prop.
Loaded 2 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut4784656420218401464.hoa
Detected timeout of ITS tools.
[2026-05-23 06:05:36] [INFO ] Flatten gal took : 35 ms
[2026-05-23 06:05:36] [INFO ] Flatten gal took : 35 ms
[2026-05-23 06:05:36] [INFO ] Time to serialize gal into /tmp/LTL6983743875621614399.gal : 9 ms
[2026-05-23 06:05:36] [INFO ] Time to serialize properties into /tmp/LTL157144920989070220.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL6983743875621614399.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL157144920989070220.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...274
Read 1 LTL properties
Checking formula 0 : !((X((G((G("(p2153==1)"))U(("(p231!=1)")||(X("(p231==1)")))))&&(X("(p2153==0)")))))
Formula 0 simplified : X(F(F!"(p2153==1)" R (!"(p231!=1)" & X!"(p231==1)")) | X!"(p2153==0)")
Detected timeout of ITS tools.
[2026-05-23 06:05:51] [INFO ] Flatten gal took : 30 ms
[2026-05-23 06:05:51] [INFO ] Applying decomposition
[2026-05-23 06:05:51] [INFO ] Flatten gal took : 29 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17977641776941114868.txt' '-o' '/tmp/graph17977641776941114868.bin' '-w' '/tmp/graph17977641776941114868.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17977641776941114868.bin' '-l' '-1' '-v' '-w' '/tmp/graph17977641776941114868.weights' '-q' '0' '-e' '0.001'
[2026-05-23 06:05:51] [INFO ] Decomposing Gal with order
[2026-05-23 06:05:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 06:05:51] [INFO ] Removed a total of 529 redundant transitions.
[2026-05-23 06:05:52] [INFO ] Flatten gal took : 133 ms
[2026-05-23 06:05:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 48 labels/synchronizations in 33 ms.
[2026-05-23 06:05:52] [INFO ] Time to serialize gal into /tmp/LTL5646351211449314846.gal : 21 ms
[2026-05-23 06:05:52] [INFO ] Time to serialize properties into /tmp/LTL1483591145122825808.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5646351211449314846.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1483591145122825808.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((X((G((G("(i34.i1.i2.u515.p2153==1)"))U(("(i2.u45.p231!=1)")||(X("(i2.u45.p231==1)")))))&&(X("(i34.i1.i2.u515.p2153==0)")))))
Formula 0 simplified : X(F(F!"(i34.i1.i2.u515.p2153==1)" R (!"(i2.u45.p231!=1)" & X!"(i2.u45.p231==1)")) | X!"(i34.i1.i2.u515.p2153==0)")
Reverse transition relation is NOT exact ! Due to transitions t26, t182, t263, t324, t373, t446, t702, t755, t815, t864, t986, t1141, t1170, t1222, t1253, ...2079
Computing Next relation with stutter on 89596 deadlock states
6 unique states visited
6 strongly connected components in search stack
6 transitions explored
6 items max in DFS search stack
586 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,6.04851,204844,1,0,315859,9984,22864,678033,609,82851,1610794
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA CloudReconfiguration-PT-319-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property CloudReconfiguration-PT-319-LTLFireability-10 finished in 139434 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(X((X((p1 U p2))||F(p1)))))))'
Support contains 3 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1537 transition count 1968
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1537 transition count 1968
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 31 place count 1530 transition count 1961
Iterating global reduction 0 with 7 rules applied. Total rules applied 38 place count 1530 transition count 1961
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 39 place count 1530 transition count 1960
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 43 place count 1526 transition count 1955
Iterating global reduction 1 with 4 rules applied. Total rules applied 47 place count 1526 transition count 1955
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 50 place count 1523 transition count 1952
Iterating global reduction 1 with 3 rules applied. Total rules applied 53 place count 1523 transition count 1952
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 56 place count 1520 transition count 1948
Iterating global reduction 1 with 3 rules applied. Total rules applied 59 place count 1520 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 62 place count 1517 transition count 1944
Iterating global reduction 1 with 3 rules applied. Total rules applied 65 place count 1517 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 1516 transition count 1943
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 1516 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 68 place count 1515 transition count 1942
Iterating global reduction 1 with 1 rules applied. Total rules applied 69 place count 1515 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 70 place count 1514 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 71 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 1513 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 1513 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1937
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1937
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 76 place count 1512 transition count 1936
Applied a total of 76 rules in 691 ms. Remains 1512 /1549 variables (removed 37) and now considering 1936/1981 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4549995981913020295.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13452786549935276391.kers'
[2026-05-23 06:05:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4549995981913020295.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13452786549935276391.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1936 rows 1512 cols 4051 entries
Finished phase 1 with 1507 SingleSign rule and 1 generalized
[2026-05-23 06:05:59] [INFO ] Computed 4 invariants in 17 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-13452786549935276391.kers
Total runtime 21 ms.
[2026-05-23 06:06:00] [INFO ] Implicit Places using invariants in 293 ms returned []
[2026-05-23 06:06:00] [INFO ] Invariant cache hit.
[2026-05-23 06:06:01] [INFO ] Implicit Places using invariants and state equation in 963 ms returned []
Implicit Place search using SMT with State Equation took 1259 ms to find 0 implicit places.
Running 1935 sub problems to find dead transitions.
[2026-05-23 06:06:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 1935/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1935 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60503ms problems are : Problem set: 0 solved, 1935 unsolved
Search for dead transitions found 0 dead transitions in 60505ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1549 places, 1936/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62464 ms. Remains : 1512/1549 places, 1936/1981 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(X((X((p1 U p2))||F(p1)))))))'
Stuttering acceptance computed with spot in 178 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-13
Product exploration explored 100000 steps with 1214 reset in 256 ms.
Product exploration explored 100000 steps with 1169 reset in 202 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2119 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 2 factoid took 55 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (463 resets) in 145 ms. (273 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (188 resets) in 45 ms. (869 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (167 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (166 resets) in 62 ms. (634 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (185 resets) in 61 ms. (645 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 250447 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 4
Probabilistic random walk after 250447 steps, saw 76437 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
[2026-05-23 06:07:05] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1498/1501 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1926/3427 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (OVERLAPS) 2/3447 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3447 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (OVERLAPS) 1/3448 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3448 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 27 (OVERLAPS) 0/3448 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3448/3448 variables, and 1516 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3316 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1512/1512 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 1498/1501 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 1926/3427 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3427 variables, 4/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3427 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/3429 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3429 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/3431 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3431 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/3433 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3433 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 2/3435 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3435 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 2/3437 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3437 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 2/3439 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3439 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 2/3441 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3441 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 2/3443 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3443 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 2/3445 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3445/3448 variables, and 1518 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5015 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1510/1512 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8342ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1512 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1512/1512 places, 1936/1936 transitions.
Graph (trivial) has 1839 edges and 1512 vertex of which 693 / 1512 are part of one of the 63 SCC in 3 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 1318 edges and 882 vertex of which 873 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 490 transitions
Trivial Post-agglo rules discarded 490 transitions
Performed 490 trivial Post agglomeration. Transition count delta: 490
Iterating post reduction 0 with 497 rules applied. Total rules applied 499 place count 873 transition count 639
Reduce places removed 490 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 1 with 545 rules applied. Total rules applied 1044 place count 383 transition count 584
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 1080 place count 347 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 1080 place count 347 transition count 535
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 3 with 98 rules applied. Total rules applied 1178 place count 298 transition count 535
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1189 place count 287 transition count 519
Iterating global reduction 3 with 11 rules applied. Total rules applied 1200 place count 287 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 1203 place count 287 transition count 516
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1206 place count 284 transition count 516
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 1213 place count 277 transition count 508
Iterating global reduction 5 with 7 rules applied. Total rules applied 1220 place count 277 transition count 508
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1226 place count 277 transition count 502
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1227 place count 276 transition count 496
Iterating global reduction 6 with 1 rules applied. Total rules applied 1228 place count 276 transition count 496
Performed 142 Post agglomeration using F-continuation condition with reduction of 95 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 6 with 284 rules applied. Total rules applied 1512 place count 134 transition count 259
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 1526 place count 134 transition count 245
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1529 place count 131 transition count 242
Iterating global reduction 7 with 3 rules applied. Total rules applied 1532 place count 131 transition count 242
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 7 with 26 rules applied. Total rules applied 1558 place count 118 transition count 226
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1573 place count 118 transition count 211
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 8 with 2 rules applied. Total rules applied 1575 place count 117 transition count 210
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1577 place count 117 transition count 208
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 9 with 2 rules applied. Total rules applied 1579 place count 116 transition count 207
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1581 place count 116 transition count 205
Performed 34 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 10 with 68 rules applied. Total rules applied 1649 place count 82 transition count 249
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 46 transitions.
Iterating post reduction 10 with 46 rules applied. Total rules applied 1695 place count 82 transition count 203
Discarding 23 places :
Symmetric choice reduction at 11 with 23 rule applications. Total rules 1718 place count 59 transition count 173
Iterating global reduction 11 with 23 rules applied. Total rules applied 1741 place count 59 transition count 173
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 11 with 13 rules applied. Total rules applied 1754 place count 59 transition count 160
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 1760 place count 53 transition count 148
Iterating global reduction 12 with 6 rules applied. Total rules applied 1766 place count 53 transition count 148
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 1771 place count 53 transition count 143
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 13 with 23 rules applied. Total rules applied 1794 place count 53 transition count 120
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1796 place count 51 transition count 114
Iterating global reduction 13 with 2 rules applied. Total rules applied 1798 place count 51 transition count 114
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1800 place count 49 transition count 112
Iterating global reduction 13 with 2 rules applied. Total rules applied 1802 place count 49 transition count 112
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 1806 place count 49 transition count 108
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1808 place count 49 transition count 106
Free-agglomeration rule applied 4 times.
Iterating global reduction 14 with 4 rules applied. Total rules applied 1812 place count 49 transition count 102
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1817 place count 45 transition count 101
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1818 place count 45 transition count 100
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1819 place count 45 transition count 100
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1820 place count 44 transition count 99
Applied a total of 1820 rules in 55 ms. Remains 44 /1512 variables (removed 1468) and now considering 99/1936 (removed 1837) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 44/1512 places, 99/1936 transitions.
RANDOM walk for 1410 steps (22 resets) in 6 ms. (201 steps per ms) remains 0/4 properties
Knowledge based reduction with 2 factoid took 124 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Knowledge-based reduction took 12004 ms.
Stuttering acceptance computed with spot in 221 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Support contains 3 out of 1512 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1512/1512 places, 1936/1936 transitions.
Applied a total of 0 rules in 55 ms. Remains 1512 /1512 variables (removed 0) and now considering 1936/1936 (removed 0) transitions.
[2026-05-23 06:07:14] [INFO ] Invariant cache hit.
[2026-05-23 06:07:14] [INFO ] Implicit Places using invariants in 233 ms returned []
[2026-05-23 06:07:14] [INFO ] Invariant cache hit.
[2026-05-23 06:07:15] [INFO ] Implicit Places using invariants and state equation in 985 ms returned []
Implicit Place search using SMT with State Equation took 1226 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1282 ms. Remains : 1512/1512 places, 1936/1936 transitions.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2119 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge based reduction with 2 factoid took 72 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (469 resets) in 117 ms. (338 steps per ms) remains 2/4 properties
BEST_FIRST walk for 40003 steps (169 resets) in 59 ms. (666 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (168 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
[2026-05-23 06:07:16] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1499/1501 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1926/3427 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 2/3447 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3447 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 1/3448 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3448 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 0/3448 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3448/3448 variables, and 1516 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1902 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1512/1512 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1499/1501 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1926/3427 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3427 variables, 2/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3427 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 2/3429 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3429 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/3431 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3431 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/3433 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3433 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/3435 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3435 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/3437 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/3439 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3439 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/3441 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3441 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 2/3443 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3443 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 2/3445 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3445 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 2/3447 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3447 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 1/3448 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3448 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 0/3448 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3448/3448 variables, and 1518 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3648 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1512/1512 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5558ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 161 ms.
Support contains 1 out of 1512 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1512/1512 places, 1936/1936 transitions.
Graph (trivial) has 1843 edges and 1512 vertex of which 693 / 1512 are part of one of the 63 SCC in 0 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 1318 edges and 882 vertex of which 873 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 492 transitions
Trivial Post-agglo rules discarded 492 transitions
Performed 492 trivial Post agglomeration. Transition count delta: 492
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 873 transition count 637
Reduce places removed 492 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 1 with 549 rules applied. Total rules applied 1050 place count 381 transition count 580
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 2 with 37 rules applied. Total rules applied 1087 place count 344 transition count 580
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 49 Pre rules applied. Total rules applied 1087 place count 344 transition count 531
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 1185 place count 295 transition count 531
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1196 place count 284 transition count 515
Iterating global reduction 3 with 11 rules applied. Total rules applied 1207 place count 284 transition count 515
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 1210 place count 284 transition count 512
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1213 place count 281 transition count 512
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 1220 place count 274 transition count 504
Iterating global reduction 5 with 7 rules applied. Total rules applied 1227 place count 274 transition count 504
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1233 place count 274 transition count 498
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1234 place count 273 transition count 492
Iterating global reduction 6 with 1 rules applied. Total rules applied 1235 place count 273 transition count 492
Performed 144 Post agglomeration using F-continuation condition with reduction of 97 identical transitions.
Deduced a syphon composed of 144 places in 0 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 6 with 288 rules applied. Total rules applied 1523 place count 129 transition count 251
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 6 with 15 rules applied. Total rules applied 1538 place count 129 transition count 236
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1542 place count 125 transition count 230
Iterating global reduction 7 with 4 rules applied. Total rules applied 1546 place count 125 transition count 230
Performed 14 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 7 with 28 rules applied. Total rules applied 1574 place count 111 transition count 212
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1588 place count 111 transition count 198
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 8 with 2 rules applied. Total rules applied 1590 place count 110 transition count 197
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 1593 place count 110 transition count 194
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 9 with 66 rules applied. Total rules applied 1659 place count 77 transition count 238
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 9 with 56 rules applied. Total rules applied 1715 place count 77 transition count 182
Discarding 24 places :
Symmetric choice reduction at 10 with 24 rule applications. Total rules 1739 place count 53 transition count 158
Iterating global reduction 10 with 24 rules applied. Total rules applied 1763 place count 53 transition count 158
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 10 with 14 rules applied. Total rules applied 1777 place count 53 transition count 144
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 1783 place count 47 transition count 132
Iterating global reduction 11 with 6 rules applied. Total rules applied 1789 place count 47 transition count 132
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1795 place count 47 transition count 126
Drop transitions (Redundant composition of simpler transitions.) removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 12 with 30 rules applied. Total rules applied 1825 place count 47 transition count 96
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 1828 place count 44 transition count 87
Iterating global reduction 12 with 3 rules applied. Total rules applied 1831 place count 44 transition count 87
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 1834 place count 41 transition count 84
Iterating global reduction 12 with 3 rules applied. Total rules applied 1837 place count 41 transition count 84
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1843 place count 41 transition count 78
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 13 with 3 rules applied. Total rules applied 1846 place count 41 transition count 75
Free-agglomeration rule applied 3 times.
Iterating global reduction 13 with 3 rules applied. Total rules applied 1849 place count 41 transition count 72
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 1852 place count 38 transition count 72
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1853 place count 38 transition count 72
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1854 place count 37 transition count 71
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 34 edges and 36 vertex of which 24 / 36 are part of one of the 9 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 14 with 2 rules applied. Total rules applied 1856 place count 21 transition count 71
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 15 with 37 rules applied. Total rules applied 1893 place count 21 transition count 34
Discarding 3 places :
Symmetric choice reduction at 16 with 3 rule applications. Total rules 1896 place count 18 transition count 31
Iterating global reduction 16 with 3 rules applied. Total rules applied 1899 place count 18 transition count 31
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 16 with 6 rules applied. Total rules applied 1905 place count 15 transition count 28
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 16 with 11 rules applied. Total rules applied 1916 place count 15 transition count 17
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1917 place count 15 transition count 16
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 1918 place count 14 transition count 16
Applied a total of 1918 rules in 45 ms. Remains 14 /1512 variables (removed 1498) and now considering 16/1936 (removed 1920) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 14/1512 places, 16/1936 transitions.
RANDOM walk for 65 steps (8 resets) in 4 ms. (13 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 5 states, 6 edges and 3 AP (stutter sensitive) to 5 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Knowledge-based reduction took 6305 ms.
Stuttering acceptance computed with spot in 252 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Stuttering criterion allowed to conclude after 29011 steps with 335 reset in 54 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-13 finished in 83566 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(p1))))))'
Support contains 2 out of 1549 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1549/1549 places, 1981/1981 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1535 transition count 1967
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1535 transition count 1967
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 36 place count 1527 transition count 1959
Iterating global reduction 0 with 8 rules applied. Total rules applied 44 place count 1527 transition count 1959
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 45 place count 1527 transition count 1958
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 49 place count 1523 transition count 1953
Iterating global reduction 1 with 4 rules applied. Total rules applied 53 place count 1523 transition count 1953
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 56 place count 1520 transition count 1950
Iterating global reduction 1 with 3 rules applied. Total rules applied 59 place count 1520 transition count 1950
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 62 place count 1517 transition count 1946
Iterating global reduction 1 with 3 rules applied. Total rules applied 65 place count 1517 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 68 place count 1514 transition count 1942
Iterating global reduction 1 with 3 rules applied. Total rules applied 71 place count 1514 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 72 place count 1513 transition count 1941
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 1513 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 1512 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 1512 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 76 place count 1511 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 77 place count 1511 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 78 place count 1510 transition count 1936
Iterating global reduction 1 with 1 rules applied. Total rules applied 79 place count 1510 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 80 place count 1509 transition count 1935
Iterating global reduction 1 with 1 rules applied. Total rules applied 81 place count 1509 transition count 1935
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 82 place count 1509 transition count 1934
Applied a total of 82 rules in 708 ms. Remains 1509 /1549 variables (removed 40) and now considering 1934/1981 (removed 47) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7775725893238367224.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16561815614148009996.kers'
[2026-05-23 06:07:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7775725893238367224.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16561815614148009996.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1934 rows 1509 cols 4047 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 06:07:23] [INFO ] Computed 4 invariants in 14 ms
Computed 4 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-16561815614148009996.kers
Total runtime 18 ms.
[2026-05-23 06:07:23] [INFO ] Implicit Places using invariants in 272 ms returned []
[2026-05-23 06:07:23] [INFO ] Invariant cache hit.
[2026-05-23 06:07:24] [INFO ] Implicit Places using invariants and state equation in 985 ms returned []
Implicit Place search using SMT with State Equation took 1259 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2026-05-23 06:07:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1933/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1933 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60429ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60432ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1549 places, 1934/1981 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62410 ms. Remains : 1509/1549 places, 1934/1981 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(p1))))))'
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-14
Stuttering criterion allowed to conclude after 53 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-14 finished in 62634 ms.
All properties solved by simple procedures.
Total runtime 678280 ms.

BK_STOP 1779516505397

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-319"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-319, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967600252"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;