About the Execution of ITS-Tools for CloudReconfiguration-PT-302
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1398.651 | 509776.00 | 633943.00 | 22690.10 | FFFFFFFFTFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967500124.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-302, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500124
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 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 08:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 189K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:21 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 660K 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-302-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779499058944
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-302
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 01:17:40] [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 01:17:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:17:40] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2026-05-23 01:17:40] [INFO ] Transformed 2585 places.
[2026-05-23 01:17:40] [INFO ] Transformed 3095 transitions.
[2026-05-23 01:17:40] [INFO ] Found NUPN structural information;
[2026-05-23 01:17:40] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 256 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA CloudReconfiguration-PT-302-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 36 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 518 places :
Symmetric choice reduction at 0 with 518 rule applications. Total rules 518 place count 2067 transition count 2577
Iterating global reduction 0 with 518 rules applied. Total rules applied 1036 place count 2067 transition count 2577
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1065 place count 2067 transition count 2548
Discarding 239 places :
Symmetric choice reduction at 1 with 239 rule applications. Total rules 1304 place count 1828 transition count 2309
Iterating global reduction 1 with 239 rules applied. Total rules applied 1543 place count 1828 transition count 2309
Discarding 90 places :
Symmetric choice reduction at 1 with 90 rule applications. Total rules 1633 place count 1738 transition count 2219
Iterating global reduction 1 with 90 rules applied. Total rules applied 1723 place count 1738 transition count 2219
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 1741 place count 1738 transition count 2201
Discarding 49 places :
Symmetric choice reduction at 2 with 49 rule applications. Total rules 1790 place count 1689 transition count 2152
Iterating global reduction 2 with 49 rules applied. Total rules applied 1839 place count 1689 transition count 2152
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1848 place count 1689 transition count 2143
Discarding 39 places :
Symmetric choice reduction at 3 with 39 rule applications. Total rules 1887 place count 1650 transition count 2099
Iterating global reduction 3 with 39 rules applied. Total rules applied 1926 place count 1650 transition count 2099
Discarding 28 places :
Symmetric choice reduction at 3 with 28 rule applications. Total rules 1954 place count 1622 transition count 2071
Iterating global reduction 3 with 28 rules applied. Total rules applied 1982 place count 1622 transition count 2071
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 2008 place count 1596 transition count 2045
Iterating global reduction 3 with 26 rules applied. Total rules applied 2034 place count 1596 transition count 2045
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 2059 place count 1571 transition count 2020
Iterating global reduction 3 with 25 rules applied. Total rules applied 2084 place count 1571 transition count 2020
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 2106 place count 1549 transition count 1983
Iterating global reduction 3 with 22 rules applied. Total rules applied 2128 place count 1549 transition count 1983
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2135 place count 1542 transition count 1971
Iterating global reduction 3 with 7 rules applied. Total rules applied 2142 place count 1542 transition count 1971
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2149 place count 1535 transition count 1962
Iterating global reduction 3 with 7 rules applied. Total rules applied 2156 place count 1535 transition count 1962
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 2159 place count 1535 transition count 1959
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2161 place count 1533 transition count 1957
Iterating global reduction 4 with 2 rules applied. Total rules applied 2163 place count 1533 transition count 1957
Applied a total of 2163 rules in 2000 ms. Remains 1533 /2585 variables (removed 1052) and now considering 1957/3095 (removed 1138) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7474678137116891199.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7169136588096020765.kers'
[2026-05-23 01:17:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7474678137116891199.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7169136588096020765.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1957 rows 1533 cols 4087 entries
Finished phase 1 with 1528 SingleSign rule and 1 generalized
[2026-05-23 01:17:42] [INFO ] Computed 4 invariants in 10 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-7169136588096020765.kers
Total runtime 12 ms.
[2026-05-23 01:17:43] [INFO ] Implicit Places using invariants in 458 ms returned []
[2026-05-23 01:17:43] [INFO ] Invariant cache hit.
[2026-05-23 01:17:43] [INFO ] Implicit Places using invariants and state equation in 912 ms returned []
Implicit Place search using SMT with State Equation took 1402 ms to find 0 implicit places.
Running 1956 sub problems to find dead transitions.
[2026-05-23 01:17:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1532 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1956 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1532/3490 variables, and 4 constraints, problems are : Problem set: 0 solved, 1956 unsolved in 30058 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1533 constraints, PredecessorRefiner: 1956/1956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1956 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1532 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1956 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1532/3490 variables, and 4 constraints, problems are : Problem set: 0 solved, 1956 unsolved in 30047 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1533 constraints, PredecessorRefiner: 0/1956 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60629ms problems are : Problem set: 0 solved, 1956 unsolved
Search for dead transitions found 0 dead transitions in 60648ms
Starting structural reductions in LTL mode, iteration 1 : 1533/2585 places, 1957/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64094 ms. Remains : 1533/2585 places, 1957/3095 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Applied a total of 0 rules in 54 ms. Remains 1533 /1533 variables (removed 0) and now considering 1957/1957 (removed 0) transitions.
[2026-05-23 01:18:44] [INFO ] Invariant cache hit.
[2026-05-23 01:18:44] [INFO ] Implicit Places using invariants in 215 ms returned []
[2026-05-23 01:18:44] [INFO ] Invariant cache hit.
[2026-05-23 01:18:45] [INFO ] Implicit Places using invariants and state equation in 925 ms returned []
Implicit Place search using SMT with State Equation took 1142 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1197 ms. Remains : 1533/1533 places, 1957/1957 transitions.
Support contains 36 out of 1533 places after structural reductions.
[2026-05-23 01:18:46] [INFO ] Flatten gal took : 120 ms
[2026-05-23 01:18:46] [INFO ] Flatten gal took : 64 ms
[2026-05-23 01:18:46] [INFO ] Input system was already deterministic with 1957 transitions.
RANDOM walk for 40000 steps (277 resets) in 1445 ms. (27 steps per ms) remains 27/38 properties
BEST_FIRST walk for 4003 steps (8 resets) in 47 ms. (83 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 34 ms. (114 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4001 steps (9 resets) in 28 ms. (137 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (9 resets) in 22 ms. (174 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (9 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 13 ms. (285 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (9 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 27/27 properties
[2026-05-23 01:18:47] [INFO ] Invariant cache hit.
Problem AtomicPropp25 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1497/1522 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1522 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1947/3469 variables, 1522/1526 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3469 variables, 0/1526 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 2/3471 variables, 1/1527 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3471 variables, 0/1527 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 2/3473 variables, 1/1528 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3473 variables, 0/1528 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 2/3475 variables, 1/1529 constraints. Problems are: Problem set: 1 solved, 26 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3475/3490 variables, and 1529 constraints, problems are : Problem set: 1 solved, 26 unsolved in 5020 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1525/1533 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1499/1522 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1522 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1947/3469 variables, 1522/1526 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3469 variables, 26/1552 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3469 variables, 0/1552 constraints. Problems are: Problem set: 1 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 2/3471 variables, 1/1553 constraints. Problems are: Problem set: 1 solved, 26 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3471/3490 variables, and 1553 constraints, problems are : Problem set: 1 solved, 26 unsolved in 5012 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1523/1533 constraints, PredecessorRefiner: 26/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10053ms problems are : Problem set: 1 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 1533 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1818 edges and 1533 vertex of which 632 / 1533 are part of one of the 62 SCC in 18 ms
Free SCC test removed 570 places
Drop transitions (Empty/Sink Transition effects.) removed 720 transitions
Reduce isomorphic transitions removed 720 transitions.
Graph (complete) has 1413 edges and 963 vertex of which 954 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 509 transitions
Trivial Post-agglo rules discarded 509 transitions
Performed 509 trivial Post agglomeration. Transition count delta: 509
Iterating post reduction 0 with 516 rules applied. Total rules applied 518 place count 954 transition count 717
Reduce places removed 509 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 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 553 rules applied. Total rules applied 1071 place count 445 transition count 673
Reduce places removed 28 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 2 with 40 rules applied. Total rules applied 1111 place count 417 transition count 661
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 13 rules applied. Total rules applied 1124 place count 406 transition count 659
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 56 Pre rules applied. Total rules applied 1124 place count 406 transition count 603
Deduced a syphon composed of 56 places in 0 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 4 with 112 rules applied. Total rules applied 1236 place count 350 transition count 603
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1247 place count 339 transition count 588
Iterating global reduction 4 with 11 rules applied. Total rules applied 1258 place count 339 transition count 588
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 1260 place count 339 transition count 586
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1262 place count 337 transition count 586
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 1267 place count 332 transition count 581
Iterating global reduction 6 with 5 rules applied. Total rules applied 1272 place count 332 transition count 581
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 1276 place count 332 transition count 577
Performed 154 Post agglomeration using F-continuation condition with reduction of 92 identical transitions.
Deduced a syphon composed of 154 places in 0 ms
Reduce places removed 154 places and 0 transitions.
Iterating global reduction 7 with 308 rules applied. Total rules applied 1584 place count 178 transition count 331
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 1603 place count 178 transition count 312
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1606 place count 175 transition count 309
Iterating global reduction 8 with 3 rules applied. Total rules applied 1609 place count 175 transition count 309
Performed 9 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 8 with 18 rules applied. Total rules applied 1627 place count 166 transition count 299
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 8 with 13 rules applied. Total rules applied 1640 place count 166 transition count 286
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 1644 place count 164 transition count 284
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1649 place count 164 transition count 279
Performed 40 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 10 with 80 rules applied. Total rules applied 1729 place count 124 transition count 320
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 10 with 35 rules applied. Total rules applied 1764 place count 124 transition count 285
Discarding 18 places :
Symmetric choice reduction at 11 with 18 rule applications. Total rules 1782 place count 106 transition count 249
Iterating global reduction 11 with 18 rules applied. Total rules applied 1800 place count 106 transition count 249
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 1807 place count 106 transition count 242
Discarding 5 places :
Symmetric choice reduction at 12 with 5 rule applications. Total rules 1812 place count 101 transition count 232
Iterating global reduction 12 with 5 rules applied. Total rules applied 1817 place count 101 transition count 232
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 1821 place count 101 transition count 228
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 13 with 14 rules applied. Total rules applied 1835 place count 101 transition count 214
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 1 Pre rules applied. Total rules applied 1835 place count 101 transition count 213
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 1837 place count 100 transition count 213
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 1838 place count 99 transition count 212
Iterating global reduction 13 with 1 rules applied. Total rules applied 1839 place count 99 transition count 212
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 13 with 2 rules applied. Total rules applied 1841 place count 98 transition count 211
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1842 place count 98 transition count 210
Free-agglomeration rule applied 4 times.
Iterating global reduction 13 with 4 rules applied. Total rules applied 1846 place count 98 transition count 206
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1852 place count 94 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 1857 place count 94 transition count 204
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1858 place count 94 transition count 203
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 1859 place count 93 transition count 202
Iterating global reduction 14 with 1 rules applied. Total rules applied 1860 place count 93 transition count 202
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1861 place count 92 transition count 201
Applied a total of 1861 rules in 185 ms. Remains 92 /1533 variables (removed 1441) and now considering 201/1957 (removed 1756) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 92/1533 places, 201/1957 transitions.
RANDOM walk for 40000 steps (8 resets) in 444 ms. (89 steps per ms) remains 1/26 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
[2026-05-23 01:18:57] [INFO ] Flow matrix only has 193 transitions (discarded 8 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6594161792717176673.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6022514687702437278.kers'
[2026-05-23 01:18:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6594161792717176673.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6022514687702437278.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 193 rows 92 cols 578 entries
Finished phase 1 with 88 SingleSign rule and 0 generalized
[2026-05-23 01:18:57] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6022514687702437278.kers
Total runtime 1 ms.
[2026-05-23 01:18:57] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 26/27 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 65/92 variables, 27/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/158 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/168 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/168 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/262 variables, 43/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/262 variables, 3/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/262 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 16/278 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/278 variables, 6/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/278 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 7/285 variables, 11/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/285 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/285 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 92/92 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 26/27 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 65/92 variables, 27/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 66/158 variables, 5/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 10/168 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/168 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/262 variables, 43/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/262 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/262 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 16/278 variables, 2/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/278 variables, 6/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/278 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 7/285 variables, 11/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/285 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 285/285 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 92/92 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 255ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 18 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=18 )
Parikh walk visited 1 properties in 5 ms.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2136 edges and 1533 vertex of which 1524 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.21 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1533 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1867 edges and 1533 vertex of which 694 / 1533 are part of one of the 63 SCC in 3 ms
Free SCC test removed 631 places
Ensure Unique test removed 733 transitions
Reduce isomorphic transitions removed 733 transitions.
Graph (complete) has 1397 edges and 902 vertex of which 893 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 491 transitions
Trivial Post-agglo rules discarded 491 transitions
Performed 491 trivial Post agglomeration. Transition count delta: 491
Iterating post reduction 0 with 491 rules applied. Total rules applied 493 place count 892 transition count 727
Reduce places removed 491 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 515 rules applied. Total rules applied 1008 place count 401 transition count 703
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1020 place count 389 transition count 703
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1020 place count 389 transition count 657
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 1112 place count 343 transition count 657
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1129 place count 326 transition count 631
Iterating global reduction 3 with 17 rules applied. Total rules applied 1146 place count 326 transition count 631
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 1148 place count 326 transition count 629
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1150 place count 324 transition count 629
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1162 place count 312 transition count 613
Iterating global reduction 5 with 12 rules applied. Total rules applied 1174 place count 312 transition count 613
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1180 place count 312 transition count 607
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1183 place count 309 transition count 601
Iterating global reduction 6 with 3 rules applied. Total rules applied 1186 place count 309 transition count 601
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1189 place count 306 transition count 595
Iterating global reduction 6 with 3 rules applied. Total rules applied 1192 place count 306 transition count 595
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1194 place count 304 transition count 591
Iterating global reduction 6 with 2 rules applied. Total rules applied 1196 place count 304 transition count 591
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1198 place count 302 transition count 587
Iterating global reduction 6 with 2 rules applied. Total rules applied 1200 place count 302 transition count 587
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1202 place count 300 transition count 583
Iterating global reduction 6 with 2 rules applied. Total rules applied 1204 place count 300 transition count 583
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1206 place count 298 transition count 569
Iterating global reduction 6 with 2 rules applied. Total rules applied 1208 place count 298 transition count 569
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 1209 place count 298 transition count 568
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1210 place count 297 transition count 568
Performed 140 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 140 places in 0 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 8 with 280 rules applied. Total rules applied 1490 place count 157 transition count 348
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 12 rules applied. Total rules applied 1502 place count 157 transition count 336
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1504 place count 156 transition count 335
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 1508 place count 152 transition count 330
Iterating global reduction 10 with 4 rules applied. Total rules applied 1512 place count 152 transition count 330
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 10 with 22 rules applied. Total rules applied 1534 place count 141 transition count 317
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1545 place count 141 transition count 306
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 11 with 34 rules applied. Total rules applied 1579 place count 124 transition count 340
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 11 with 17 rules applied. Total rules applied 1596 place count 124 transition count 323
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 1605 place count 115 transition count 305
Iterating global reduction 12 with 9 rules applied. Total rules applied 1614 place count 115 transition count 305
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1620 place count 115 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 13 with 36 rules applied. Total rules applied 1656 place count 115 transition count 263
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1657 place count 114 transition count 262
Applied a total of 1657 rules in 128 ms. Remains 114 /1533 variables (removed 1419) and now considering 262/1957 (removed 1695) transitions.
[2026-05-23 01:18:58] [INFO ] Flow matrix only has 205 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-874390981300435027.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12800043764044832384.kers'
[2026-05-23 01:18:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-874390981300435027.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12800043764044832384.kers]
Normalized transition count is 204 out of 205 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 204 rows 114 cols 604 entries
Finished phase 1 with 114 SingleSign rule and 0 generalized
[2026-05-23 01:18:58] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12800043764044832384.kers
Total runtime 2 ms.
[2026-05-23 01:18:58] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-23 01:18:58] [INFO ] Flow matrix only has 205 transitions (discarded 57 similar events)
[2026-05-23 01:18:58] [INFO ] Invariant cache hit.
[2026-05-23 01:18:58] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 01:18:58] [INFO ] Implicit Places using invariants and state equation in 120 ms returned [8, 43]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 178 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1533 places, 262/1957 transitions.
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 0 with 4 rules applied. Total rules applied 4 place count 110 transition count 260
Applied a total of 4 rules in 9 ms. Remains 110 /112 variables (removed 2) and now considering 260/262 (removed 2) transitions.
[2026-05-23 01:18:58] [INFO ] Flow matrix only has 203 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-4906472977779290482.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12401859214236489961.kers'
[2026-05-23 01:18:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4906472977779290482.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12401859214236489961.kers]
Normalized transition count is 202 out of 203 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 202 rows 110 cols 596 entries
Finished phase 1 with 110 SingleSign rule and 0 generalized
[2026-05-23 01:18:58] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12401859214236489961.kers
Total runtime 4 ms.
[2026-05-23 01:18:58] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-23 01:18:58] [INFO ] Flow matrix only has 203 transitions (discarded 57 similar events)
[2026-05-23 01:18:58] [INFO ] Invariant cache hit.
[2026-05-23 01:18:58] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 01:18:58] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1533 places, 260/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 474 ms. Remains : 110/1533 places, 260/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-00
Stuttering criterion allowed to conclude after 413 steps with 36 reset in 8 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-00 finished in 844 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(p0))&&F(p1)) U (X(!(X(p1)||p0)) U p2)))'
Support contains 3 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1522 transition count 1946
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1522 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 1519 transition count 1943
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 31 place count 1516 transition count 1940
Iterating global reduction 0 with 3 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 36 place count 1514 transition count 1938
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1933
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1508 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1507 transition count 1929
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1506 transition count 1928
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1506 transition count 1928
Applied a total of 54 rules in 790 ms. Remains 1506 /1533 variables (removed 27) and now considering 1928/1957 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10316520261694121704.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9217236244627203174.kers'
[2026-05-23 01:18:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10316520261694121704.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9217236244627203174.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1928 rows 1506 cols 4027 entries
Finished phase 1 with 1501 SingleSign rule and 1 generalized
[2026-05-23 01:18:59] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-9217236244627203174.kers
Total runtime 10 ms.
[2026-05-23 01:19:00] [INFO ] Implicit Places using invariants in 239 ms returned []
[2026-05-23 01:19:00] [INFO ] Invariant cache hit.
[2026-05-23 01:19:01] [INFO ] Implicit Places using invariants and state equation in 946 ms returned []
Implicit Place search using SMT with State Equation took 1186 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2026-05-23 01:19:01] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60467ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60471ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1533 places, 1928/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62459 ms. Remains : 1506/1533 places, 1928/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(p0))&&F(p1)) U (X(!(X(p1)||p0)) U p2)))'
Stuttering acceptance computed with spot in 232 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-01
Product exploration explored 100000 steps with 33338 reset in 366 ms.
Product exploration explored 100000 steps with 33333 reset in 321 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2105 edges and 1506 vertex of which 1497 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.7 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge based reduction with 11 factoid took 71 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (278 resets) in 267 ms. (149 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (78 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
[2026-05-23 01:20:02] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 678/679 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/679 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 816/1495 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1495 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1918/3413 variables, 1495/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3413 variables, 0/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3415 variables, 1/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3415 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3417 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3417 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3419 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3419 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3421 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3421 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3423 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3423 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3425 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3425 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3427 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3434 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3434/3434 variables, and 1510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2407 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1506 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 678/679 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/679 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 816/1495 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1495 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1918/3413 variables, 1495/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3413 variables, 1/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3413 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3415 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3415 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3417 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3417 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3419 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3419 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3421 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3421 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3423 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3423 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3425 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3425 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3427 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3427 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3429 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3429 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3431 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3431 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3433 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3433 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3434 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3434 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3434 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3434/3434 variables, and 1511 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2057 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1506 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4475ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 148 steps, including 0 resets, run visited all 1 properties in 7 ms. (steps per millisecond=21 )
Parikh walk visited 1 properties in 8 ms.
Knowledge based reduction with 11 factoid took 128 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 253 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
[2026-05-23 01:20:07] [INFO ] Invariant cache hit.
[2026-05-23 01:20:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 01:20:08] [INFO ] [Real]Absence check using state equation in 669 ms returned sat
[2026-05-23 01:20:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:20:09] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 11 ms returned sat
[2026-05-23 01:20:10] [INFO ] [Nat]Absence check using state equation in 750 ms returned sat
[2026-05-23 01:20:10] [INFO ] Computed and/alt/rep : 1921/2350/1921 causal constraints (skipped 6 transitions) in 95 ms.
Could not prove EG (NOT p2)
Knowledge-based reduction took 21387 ms.
Stuttering acceptance computed with spot in 256 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
Support contains 3 out of 1506 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1506/1506 places, 1928/1928 transitions.
Applied a total of 0 rules in 44 ms. Remains 1506 /1506 variables (removed 0) and now considering 1928/1928 (removed 0) transitions.
[2026-05-23 01:20:24] [INFO ] Invariant cache hit.
[2026-05-23 01:20:24] [INFO ] Implicit Places using invariants in 212 ms returned []
[2026-05-23 01:20:24] [INFO ] Invariant cache hit.
[2026-05-23 01:20:25] [INFO ] Implicit Places using invariants and state equation in 882 ms returned []
Implicit Place search using SMT with State Equation took 1095 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1141 ms. Remains : 1506/1506 places, 1928/1928 transitions.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2105 edges and 1506 vertex of which 1497 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.7 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge based reduction with 11 factoid took 50 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (272 resets) in 98 ms. (404 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40002 steps (76 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
[2026-05-23 01:20:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 678/679 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/679 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 816/1495 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1495 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1918/3413 variables, 1495/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3413 variables, 0/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3415 variables, 1/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3415 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3417 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3417 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3419 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3419 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3421 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3421 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3423 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3423 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3425 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3425 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3427 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3434 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3434/3434 variables, and 1510 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2323 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1506 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 678/679 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/679 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 816/1495 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1495 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1918/3413 variables, 1495/1499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3413 variables, 1/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3413 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3415 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3415 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3417 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3417 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3419 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3419 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3421 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3421 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3423 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3423 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3425 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3425 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3427 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3427 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3429 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3429 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3431 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3431 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3433 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3433 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3434 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3434 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3434 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3434/3434 variables, and 1511 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2093 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1506/1506 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4426ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 174 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=87 )
Parikh walk visited 1 properties in 2 ms.
Knowledge based reduction with 11 factoid took 140 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 270 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
[2026-05-23 01:20:30] [INFO ] Invariant cache hit.
[2026-05-23 01:20:30] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 01:20:31] [INFO ] [Real]Absence check using state equation in 628 ms returned sat
[2026-05-23 01:20:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 01:20:31] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 10 ms returned sat
[2026-05-23 01:20:32] [INFO ] [Nat]Absence check using state equation in 643 ms returned sat
[2026-05-23 01:20:32] [INFO ] Computed and/alt/rep : 1921/2350/1921 causal constraints (skipped 6 transitions) in 74 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:593)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
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)
[2026-05-23 01:20:46] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p2)
Could not prove EG (NOT p2)
Knowledge-based reduction took 21645 ms.
Stuttering acceptance computed with spot in 265 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
Stuttering acceptance computed with spot in 254 ms :[(NOT p2), (AND (NOT p0) p1), (AND (NOT p1) p0), (NOT p0), (AND (NOT p0) p1), (NOT p1)]
Product exploration explored 100000 steps with 33273 reset in 287 ms.
Product exploration explored 100000 steps with 33329 reset in 282 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/ltsmin3116661562029349636
[2026-05-23 01:20:48] [INFO ] Built C files in 39ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3116661562029349636
Running compilation step : cd /tmp/ltsmin3116661562029349636;'/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/ltsmin3116661562029349636;'/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/ltsmin3116661562029349636;'/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 3 out of 1506 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1506/1506 places, 1928/1928 transitions.
Applied a total of 0 rules in 45 ms. Remains 1506 /1506 variables (removed 0) and now considering 1928/1928 (removed 0) transitions.
[2026-05-23 01:20:51] [INFO ] Invariant cache hit.
[2026-05-23 01:20:51] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-05-23 01:20:51] [INFO ] Invariant cache hit.
[2026-05-23 01:20:52] [INFO ] Implicit Places using invariants and state equation in 957 ms returned []
Implicit Place search using SMT with State Equation took 1196 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1243 ms. Remains : 1506/1506 places, 1928/1928 transitions.
Built C files in :
/tmp/ltsmin12224429398525854135
[2026-05-23 01:20:52] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12224429398525854135
Running compilation step : cd /tmp/ltsmin12224429398525854135;'/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/ltsmin12224429398525854135;'/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/ltsmin12224429398525854135;'/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 01:20:55] [INFO ] Flatten gal took : 46 ms
[2026-05-23 01:20:55] [INFO ] Flatten gal took : 44 ms
[2026-05-23 01:20:55] [INFO ] Time to serialize gal into /tmp/LTL3801930302674738456.gal : 15 ms
[2026-05-23 01:20:55] [INFO ] Time to serialize properties into /tmp/LTL14313823927907170569.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/LTL3801930302674738456.gal' '-t' 'CGAL' '-hoa' '/tmp/aut13170494706658934475.hoa' '-atoms' '/tmp/LTL14313823927907170569.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...319
Loading property file /tmp/LTL14313823927907170569.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut13170494706658934475.hoa
Detected timeout of ITS tools.
[2026-05-23 01:21:10] [INFO ] Flatten gal took : 48 ms
[2026-05-23 01:21:10] [INFO ] Flatten gal took : 46 ms
[2026-05-23 01:21:10] [INFO ] Time to serialize gal into /tmp/LTL14990675627273159851.gal : 8 ms
[2026-05-23 01:21:10] [INFO ] Time to serialize properties into /tmp/LTL9907849339403925208.ltl : 3 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/LTL14990675627273159851.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9907849339403925208.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...276
Read 1 LTL properties
Checking formula 0 : !((((F(G("(p980==1)")))&&(F("(p1339==1)")))U((X(!((X("(p1339==1)"))||("(p980==1)"))))U("(p2559==1)"))))
Formula 0 simplified : (GF!"(p980==1)" | G!"(p1339==1)") R (!"(p2559==1)" & X(!"(p2559==1)" W ("(p980==1)" | X"(p1339==1)")))
Detected timeout of ITS tools.
[2026-05-23 01:21:26] [INFO ] Flatten gal took : 28 ms
[2026-05-23 01:21:26] [INFO ] Applying decomposition
[2026-05-23 01:21:26] [INFO ] Flatten gal took : 26 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/graph8624255185997760477.txt' '-o' '/tmp/graph8624255185997760477.bin' '-w' '/tmp/graph8624255185997760477.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8624255185997760477.bin' '-l' '-1' '-v' '-w' '/tmp/graph8624255185997760477.weights' '-q' '0' '-e' '0.001'
[2026-05-23 01:21:28] [INFO ] Decomposing Gal with order
[2026-05-23 01:21:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 01:21:28] [INFO ] Removed a total of 501 redundant transitions.
[2026-05-23 01:21:28] [INFO ] Flatten gal took : 140 ms
[2026-05-23 01:21:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 52 labels/synchronizations in 34 ms.
[2026-05-23 01:21:29] [INFO ] Time to serialize gal into /tmp/LTL4988669135610533382.gal : 21 ms
[2026-05-23 01:21:29] [INFO ] Time to serialize properties into /tmp/LTL9076895163890738306.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/LTL4988669135610533382.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL9076895163890738306.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 : !((((F(G("(i18.i0.i0.u223.p980==1)")))&&(F("(i19.i1.i1.u300.p1339==1)")))U((X(!((X("(i19.i1.i1.u300.p1339==1)"))||("(i18.i0.i0.u223.p9...199
Formula 0 simplified : (GF!"(i18.i0.i0.u223.p980==1)" | G!"(i19.i1.i1.u300.p1339==1)") R (!"(i37.i0.i0.u480.p2559==1)" & X(!"(i37.i0.i0.u480.p2559==1)" W (...215
Reverse transition relation is NOT exact ! Due to transitions t26, t180, t261, t322, t371, t442, t494, t649, t679, t731, t764, t842, t914, t965, t1134, t12...2092
Computing Next relation with stutter on 140576 deadlock states
37 unique states visited
37 strongly connected components in search stack
37 transitions explored
37 items max in DFS search stack
855 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,0,8.72616,287664,1,0,461746,12033,22091,973468,605,110476,2417003
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA CloudReconfiguration-PT-302-LTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property CloudReconfiguration-PT-302-LTLFireability-01 finished in 159848 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0))||G((p1&&X((p1 U (p2||G(p1))))))))'
Support contains 1 out of 1533 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1865 edges and 1533 vertex of which 689 / 1533 are part of one of the 63 SCC in 5 ms
Free SCC test removed 626 places
Ensure Unique test removed 727 transitions
Reduce isomorphic transitions removed 727 transitions.
Graph (complete) has 1403 edges and 907 vertex of which 898 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 494 transitions
Trivial Post-agglo rules discarded 494 transitions
Performed 494 trivial Post agglomeration. Transition count delta: 494
Iterating post reduction 0 with 494 rules applied. Total rules applied 496 place count 897 transition count 730
Reduce places removed 494 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 518 rules applied. Total rules applied 1014 place count 403 transition count 706
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1026 place count 391 transition count 706
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1026 place count 391 transition count 660
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 1118 place count 345 transition count 660
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1135 place count 328 transition count 634
Iterating global reduction 3 with 17 rules applied. Total rules applied 1152 place count 328 transition count 634
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 1154 place count 328 transition count 632
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1156 place count 326 transition count 632
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1168 place count 314 transition count 616
Iterating global reduction 5 with 12 rules applied. Total rules applied 1180 place count 314 transition count 616
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1186 place count 314 transition count 610
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1189 place count 311 transition count 604
Iterating global reduction 6 with 3 rules applied. Total rules applied 1192 place count 311 transition count 604
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1194 place count 309 transition count 600
Iterating global reduction 6 with 2 rules applied. Total rules applied 1196 place count 309 transition count 600
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1197 place count 308 transition count 598
Iterating global reduction 6 with 1 rules applied. Total rules applied 1198 place count 308 transition count 598
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1199 place count 307 transition count 596
Iterating global reduction 6 with 1 rules applied. Total rules applied 1200 place count 307 transition count 596
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1201 place count 306 transition count 594
Iterating global reduction 6 with 1 rules applied. Total rules applied 1202 place count 306 transition count 594
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1203 place count 305 transition count 587
Iterating global reduction 6 with 1 rules applied. Total rules applied 1204 place count 305 transition count 587
Performed 143 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 6 with 286 rules applied. Total rules applied 1490 place count 162 transition count 363
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 1501 place count 162 transition count 352
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1505 place count 158 transition count 347
Iterating global reduction 7 with 4 rules applied. Total rules applied 1509 place count 158 transition count 347
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 7 with 24 rules applied. Total rules applied 1533 place count 146 transition count 333
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1546 place count 146 transition count 320
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1547 place count 145 transition count 318
Iterating global reduction 8 with 1 rules applied. Total rules applied 1548 place count 145 transition count 318
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 8 with 34 rules applied. Total rules applied 1582 place count 128 transition count 355
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 8 with 21 rules applied. Total rules applied 1603 place count 128 transition count 334
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 1612 place count 119 transition count 316
Iterating global reduction 9 with 9 rules applied. Total rules applied 1621 place count 119 transition count 316
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1627 place count 119 transition count 310
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 10 with 38 rules applied. Total rules applied 1665 place count 119 transition count 272
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 1666 place count 119 transition count 272
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 1667 place count 119 transition count 271
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1668 place count 118 transition count 270
Applied a total of 1668 rules in 92 ms. Remains 118 /1533 variables (removed 1415) and now considering 270/1957 (removed 1687) transitions.
[2026-05-23 01:21:39] [INFO ] Flow matrix only has 213 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-3258454397687893746.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14259380103459087695.kers'
[2026-05-23 01:21:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3258454397687893746.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14259380103459087695.kers]
Normalized transition count is 212 out of 213 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 212 rows 118 cols 617 entries
Finished phase 1 with 118 SingleSign rule and 0 generalized
[2026-05-23 01:21:39] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14259380103459087695.kers
Total runtime 1 ms.
[2026-05-23 01:21:39] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-23 01:21:39] [INFO ] Flow matrix only has 213 transitions (discarded 57 similar events)
[2026-05-23 01:21:39] [INFO ] Invariant cache hit.
[2026-05-23 01:21:39] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:21:39] [INFO ] Implicit Places using invariants and state equation in 128 ms returned [12, 45]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 187 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1533 places, 270/1957 transitions.
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 0 with 4 rules applied. Total rules applied 4 place count 114 transition count 268
Applied a total of 4 rules in 6 ms. Remains 114 /116 variables (removed 2) and now considering 268/270 (removed 2) transitions.
[2026-05-23 01:21:39] [INFO ] Flow matrix only has 211 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-1900573991622114797.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7325495987391559747.kers'
[2026-05-23 01:21:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1900573991622114797.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7325495987391559747.kers]
Normalized transition count is 210 out of 211 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 210 rows 114 cols 609 entries
Finished phase 1 with 114 SingleSign rule and 0 generalized
[2026-05-23 01:21:39] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-7325495987391559747.kers
Total runtime 1 ms.
[2026-05-23 01:21:39] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-23 01:21:39] [INFO ] Flow matrix only has 211 transitions (discarded 57 similar events)
[2026-05-23 01:21:39] [INFO ] Invariant cache hit.
[2026-05-23 01:21:39] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:21:39] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 114/1533 places, 268/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 439 ms. Remains : 114/1533 places, 268/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0))||G((p1&&X((p1 U (p2||G(p1))))))))'
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-02
Stuttering criterion allowed to conclude after 2205 steps with 209 reset in 14 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-02 finished in 550 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||G(p1))) U X(p2))))))'
Support contains 3 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 1524 transition count 1948
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 1524 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 21 place count 1521 transition count 1945
Iterating global reduction 0 with 3 rules applied. Total rules applied 24 place count 1521 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 27 place count 1518 transition count 1942
Iterating global reduction 0 with 3 rules applied. Total rules applied 30 place count 1518 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 32 place count 1516 transition count 1940
Iterating global reduction 0 with 2 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 35 place count 1515 transition count 1939
Iterating global reduction 0 with 1 rules applied. Total rules applied 36 place count 1515 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 37 place count 1514 transition count 1938
Iterating global reduction 0 with 1 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1933
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1508 transition count 1930
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1508 transition count 1930
Applied a total of 50 rules in 616 ms. Remains 1508 /1533 variables (removed 25) and now considering 1930/1957 (removed 27) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15020210121390745677.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4240476592651721005.kers'
[2026-05-23 01:21:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15020210121390745677.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4240476592651721005.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1930 rows 1508 cols 4031 entries
Finished phase 1 with 1503 SingleSign rule and 1 generalized
[2026-05-23 01:21:40] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-4240476592651721005.kers
Total runtime 22 ms.
[2026-05-23 01:21:40] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-23 01:21:40] [INFO ] Invariant cache hit.
[2026-05-23 01:21:41] [INFO ] Implicit Places using invariants and state equation in 908 ms returned []
Implicit Place search using SMT with State Equation took 1169 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2026-05-23 01:21:41] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 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 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60463ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60468ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1533 places, 1930/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62259 ms. Remains : 1508/1533 places, 1930/1957 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||G(p1))) U X(p2))))))'
Stuttering acceptance computed with spot in 400 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-04
Product exploration explored 100000 steps with 720 reset in 171 ms.
Product exploration explored 100000 steps with 695 reset in 176 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2107 edges and 1508 vertex of which 1499 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge based reduction with 1 factoid took 84 ms. Reduced automaton from 11 states, 23 edges and 3 AP (stutter sensitive) to 11 states, 23 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 12 to 9
RANDOM walk for 40000 steps (282 resets) in 180 ms. (220 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (76 resets) in 182 ms. (218 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (71 resets) in 50 ms. (784 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (72 resets) in 51 ms. (769 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (74 resets) in 52 ms. (754 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (81 resets) in 45 ms. (869 steps per ms) remains 6/9 properties
BEST_FIRST walk for 40003 steps (75 resets) in 300 ms. (132 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (80 resets) in 39 ms. (1000 steps per ms) remains 6/6 properties
[2026-05-23 01:22:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1494/1497 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1497 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1920/3417 variables, 1497/1501 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3417 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/3419 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3419 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 2/3421 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3421 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 2/3423 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3423 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 2/3425 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3425 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 2/3427 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 2/3429 variables, 1/1507 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 3429/3438 variables, and 1507 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5017 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1503/1508 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1494/1497 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1497 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 1920/3417 variables, 1497/1501 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3417 variables, 6/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3417 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/3419 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3419 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 2/3421 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3421 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 2/3423 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3423 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 2/3425 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3425 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 2/3427 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3427 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 2/3429 variables, 1/1513 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: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3429/3438 variables, and 1513 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5009 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1503/1508 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10042ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1508 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1508/1508 places, 1930/1930 transitions.
Graph (trivial) has 1836 edges and 1508 vertex of which 690 / 1508 are part of one of the 63 SCC in 1 ms
Free SCC test removed 627 places
Drop transitions (Empty/Sink Transition effects.) removed 791 transitions
Reduce isomorphic transitions removed 791 transitions.
Graph (complete) has 1311 edges and 881 vertex of which 872 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 872 transition count 640
Reduce places removed 488 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 542 rules applied. Total rules applied 1039 place count 384 transition count 586
Reduce places removed 35 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 36 rules applied. Total rules applied 1075 place count 349 transition count 585
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 1077 place count 348 transition count 584
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 50 Pre rules applied. Total rules applied 1077 place count 348 transition count 534
Deduced a syphon composed of 50 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 4 with 100 rules applied. Total rules applied 1177 place count 298 transition count 534
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1188 place count 287 transition count 518
Iterating global reduction 4 with 11 rules applied. Total rules applied 1199 place count 287 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 4 with 3 rules applied. Total rules applied 1202 place count 287 transition count 515
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1205 place count 284 transition count 515
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 1212 place count 277 transition count 507
Iterating global reduction 6 with 7 rules applied. Total rules applied 1219 place count 277 transition count 507
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1225 place count 277 transition count 501
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1226 place count 276 transition count 495
Iterating global reduction 7 with 1 rules applied. Total rules applied 1227 place count 276 transition count 495
Performed 145 Post agglomeration using F-continuation condition with reduction of 94 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 7 with 290 rules applied. Total rules applied 1517 place count 131 transition count 256
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 16 rules applied. Total rules applied 1533 place count 131 transition count 240
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1536 place count 128 transition count 237
Iterating global reduction 8 with 3 rules applied. Total rules applied 1539 place count 128 transition count 237
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 8 with 26 rules applied. Total rules applied 1565 place count 115 transition count 221
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 8 with 15 rules applied. Total rules applied 1580 place count 115 transition count 206
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 1582 place count 114 transition count 205
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1584 place count 114 transition count 203
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1586 place count 113 transition count 202
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1588 place count 113 transition count 200
Performed 33 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 11 with 66 rules applied. Total rules applied 1654 place count 80 transition count 230
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 11 with 47 rules applied. Total rules applied 1701 place count 80 transition count 183
Discarding 23 places :
Symmetric choice reduction at 12 with 23 rule applications. Total rules 1724 place count 57 transition count 153
Iterating global reduction 12 with 23 rules applied. Total rules applied 1747 place count 57 transition count 153
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 12 with 14 rules applied. Total rules applied 1761 place count 57 transition count 139
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1767 place count 51 transition count 127
Iterating global reduction 13 with 6 rules applied. Total rules applied 1773 place count 51 transition count 127
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1779 place count 51 transition count 121
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 14 with 21 rules applied. Total rules applied 1800 place count 51 transition count 100
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 1802 place count 49 transition count 94
Iterating global reduction 14 with 2 rules applied. Total rules applied 1804 place count 49 transition count 94
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 1806 place count 47 transition count 92
Iterating global reduction 14 with 2 rules applied. Total rules applied 1808 place count 47 transition count 92
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 1810 place count 47 transition count 90
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 15 with 2 rules applied. Total rules applied 1812 place count 46 transition count 89
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1814 place count 46 transition count 87
Free-agglomeration rule applied 4 times.
Iterating global reduction 15 with 4 rules applied. Total rules applied 1818 place count 46 transition count 83
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 15 with 5 rules applied. Total rules applied 1823 place count 42 transition count 82
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 16 with 2 rules applied. Total rules applied 1825 place count 42 transition count 82
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1826 place count 41 transition count 81
Applied a total of 1826 rules in 56 ms. Remains 41 /1508 variables (removed 1467) and now considering 81/1930 (removed 1849) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 41/1508 places, 81/1930 transitions.
RANDOM walk for 26759 steps (6 resets) in 45 ms. (581 steps per ms) remains 0/6 properties
Knowledge based reduction with 1 factoid took 183 ms. Reduced automaton from 11 states, 23 edges and 3 AP (stutter sensitive) to 11 states, 23 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 412 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (AND (NOT p1) (NOT p0))]
[2026-05-23 01:22:53] [INFO ] Invariant cache hit.
Proved EG (NOT p2) asserting that LTL formula F !(NOT p2) is false.
Negative knowledge disproves property using: (F p2)
Knowledge-based reduction took 11676 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-04 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property CloudReconfiguration-PT-302-LTLFireability-04 finished in 74744 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X(X((G(p0) U p1)))||F(p2)))))'
Support contains 3 out of 1533 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1862 edges and 1533 vertex of which 690 / 1533 are part of one of the 63 SCC in 1 ms
Free SCC test removed 627 places
Ensure Unique test removed 728 transitions
Reduce isomorphic transitions removed 728 transitions.
Graph (complete) has 1402 edges and 906 vertex of which 897 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 490 transitions
Trivial Post-agglo rules discarded 490 transitions
Performed 490 trivial Post agglomeration. Transition count delta: 490
Iterating post reduction 0 with 490 rules applied. Total rules applied 492 place count 896 transition count 733
Reduce places removed 490 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 512 rules applied. Total rules applied 1004 place count 406 transition count 711
Reduce places removed 11 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 12 rules applied. Total rules applied 1016 place count 395 transition count 710
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1017 place count 394 transition count 710
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 47 Pre rules applied. Total rules applied 1017 place count 394 transition count 663
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 4 with 94 rules applied. Total rules applied 1111 place count 347 transition count 663
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 1128 place count 330 transition count 637
Iterating global reduction 4 with 17 rules applied. Total rules applied 1145 place count 330 transition count 637
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 1147 place count 330 transition count 635
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1149 place count 328 transition count 635
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 1161 place count 316 transition count 619
Iterating global reduction 6 with 12 rules applied. Total rules applied 1173 place count 316 transition count 619
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1179 place count 316 transition count 613
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1181 place count 314 transition count 609
Iterating global reduction 7 with 2 rules applied. Total rules applied 1183 place count 314 transition count 609
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1185 place count 312 transition count 605
Iterating global reduction 7 with 2 rules applied. Total rules applied 1187 place count 312 transition count 605
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1188 place count 311 transition count 603
Iterating global reduction 7 with 1 rules applied. Total rules applied 1189 place count 311 transition count 603
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1190 place count 310 transition count 601
Iterating global reduction 7 with 1 rules applied. Total rules applied 1191 place count 310 transition count 601
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1192 place count 309 transition count 599
Iterating global reduction 7 with 1 rules applied. Total rules applied 1193 place count 309 transition count 599
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1194 place count 308 transition count 592
Iterating global reduction 7 with 1 rules applied. Total rules applied 1195 place count 308 transition count 592
Performed 142 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 7 with 284 rules applied. Total rules applied 1479 place count 166 transition count 369
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 1490 place count 166 transition count 358
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1494 place count 162 transition count 353
Iterating global reduction 8 with 4 rules applied. Total rules applied 1498 place count 162 transition count 353
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1522 place count 150 transition count 339
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 8 with 13 rules applied. Total rules applied 1535 place count 150 transition count 326
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1536 place count 149 transition count 324
Iterating global reduction 9 with 1 rules applied. Total rules applied 1537 place count 149 transition count 324
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -39
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 9 with 38 rules applied. Total rules applied 1575 place count 130 transition count 363
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 9 with 23 rules applied. Total rules applied 1598 place count 130 transition count 340
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1607 place count 121 transition count 322
Iterating global reduction 10 with 9 rules applied. Total rules applied 1616 place count 121 transition count 322
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1622 place count 121 transition count 316
Drop transitions (Redundant composition of simpler transitions.) removed 42 transitions
Redundant transition composition rules discarded 42 transitions
Iterating global reduction 11 with 42 rules applied. Total rules applied 1664 place count 121 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1665 place count 120 transition count 273
Applied a total of 1665 rules in 64 ms. Remains 120 /1533 variables (removed 1413) and now considering 273/1957 (removed 1684) transitions.
[2026-05-23 01:22:54] [INFO ] Flow matrix only has 215 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-13431227991921730761.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3946539983230937600.kers'
[2026-05-23 01:22:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13431227991921730761.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3946539983230937600.kers]
Normalized transition count is 214 out of 215 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 214 rows 120 cols 621 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-23 01:22:54] [INFO ] Computed 0 invariants in 4 ms
Computed 0 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3946539983230937600.kers
Total runtime 5 ms.
[2026-05-23 01:22:54] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-23 01:22:54] [INFO ] Flow matrix only has 215 transitions (discarded 58 similar events)
[2026-05-23 01:22:54] [INFO ] Invariant cache hit.
[2026-05-23 01:22:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:22:54] [INFO ] Implicit Places using invariants and state equation in 203 ms returned [12, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 260 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1533 places, 273/1957 transitions.
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 0 with 4 rules applied. Total rules applied 4 place count 116 transition count 271
Applied a total of 4 rules in 6 ms. Remains 116 /118 variables (removed 2) and now considering 271/273 (removed 2) transitions.
[2026-05-23 01:22:54] [INFO ] Flow matrix only has 213 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-10682449300416175655.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10721793855285875326.kers'
[2026-05-23 01:22:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10682449300416175655.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10721793855285875326.kers]
Normalized transition count is 212 out of 213 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 212 rows 116 cols 613 entries
Finished phase 1 with 116 SingleSign rule and 0 generalized
[2026-05-23 01:22:54] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10721793855285875326.kers
Total runtime 1 ms.
[2026-05-23 01:22:54] [INFO ] Implicit Places using invariants in 44 ms returned []
[2026-05-23 01:22:54] [INFO ] Flow matrix only has 213 transitions (discarded 58 similar events)
[2026-05-23 01:22:54] [INFO ] Invariant cache hit.
[2026-05-23 01:22:54] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:22:54] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1533 places, 271/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 477 ms. Remains : 116/1533 places, 271/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X(X((G(p0) U p1)))||F(p2)))))'
Stuttering acceptance computed with spot in 148 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-05
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-05 finished in 654 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((G(p0)||G(p1)))||G(p2))))'
Support contains 4 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 1523 transition count 1947
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 1523 transition count 1947
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 1521 transition count 1945
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 1521 transition count 1945
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 1519 transition count 1943
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 1517 transition count 1941
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 1517 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 1516 transition count 1940
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 35 place count 1515 transition count 1939
Iterating global reduction 0 with 1 rules applied. Total rules applied 36 place count 1515 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 37 place count 1514 transition count 1938
Iterating global reduction 0 with 1 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1932
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1931
Applied a total of 48 rules in 574 ms. Remains 1509 /1533 variables (removed 24) and now considering 1931/1957 (removed 26) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2721311127503685078.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14306810445367301054.kers'
[2026-05-23 01:22:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2721311127503685078.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14306810445367301054.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1931 rows 1509 cols 4033 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 01:22:55] [INFO ] Computed 4 invariants in 8 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-14306810445367301054.kers
Total runtime 11 ms.
[2026-05-23 01:22:55] [INFO ] Implicit Places using invariants in 221 ms returned []
[2026-05-23 01:22:55] [INFO ] Invariant cache hit.
[2026-05-23 01:22:56] [INFO ] Implicit Places using invariants and state equation in 892 ms returned []
Implicit Place search using SMT with State Equation took 1116 ms to find 0 implicit places.
Running 1930 sub problems to find dead transitions.
[2026-05-23 01:22:56] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1930 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1930/1930 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1930 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1930 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1930 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60504ms problems are : Problem set: 0 solved, 1930 unsolved
Search for dead transitions found 0 dead transitions in 60507ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1533 places, 1931/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62204 ms. Remains : 1509/1533 places, 1931/1957 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((G(p0)||G(p1)))||G(p2))))'
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-06
Stuttering criterion allowed to conclude after 70571 steps with 496 reset in 97 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-06 finished in 62457 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0&&(p1 U p2)))))'
Support contains 3 out of 1533 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1863 edges and 1533 vertex of which 689 / 1533 are part of one of the 63 SCC in 0 ms
Free SCC test removed 626 places
Ensure Unique test removed 727 transitions
Reduce isomorphic transitions removed 727 transitions.
Graph (complete) has 1403 edges and 907 vertex of which 898 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 493 transitions
Trivial Post-agglo rules discarded 493 transitions
Performed 493 trivial Post agglomeration. Transition count delta: 493
Iterating post reduction 0 with 493 rules applied. Total rules applied 495 place count 897 transition count 731
Reduce places removed 493 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 517 rules applied. Total rules applied 1012 place count 404 transition count 707
Reduce places removed 12 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 13 rules applied. Total rules applied 1025 place count 392 transition count 706
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1026 place count 391 transition count 706
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1026 place count 391 transition count 660
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1118 place count 345 transition count 660
Discarding 16 places :
Symmetric choice reduction at 4 with 16 rule applications. Total rules 1134 place count 329 transition count 635
Iterating global reduction 4 with 16 rules applied. Total rules applied 1150 place count 329 transition count 635
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 1152 place count 329 transition count 633
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1154 place count 327 transition count 633
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1165 place count 316 transition count 618
Iterating global reduction 6 with 11 rules applied. Total rules applied 1176 place count 316 transition count 618
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1182 place count 316 transition count 612
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1184 place count 314 transition count 608
Iterating global reduction 7 with 2 rules applied. Total rules applied 1186 place count 314 transition count 608
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1188 place count 312 transition count 604
Iterating global reduction 7 with 2 rules applied. Total rules applied 1190 place count 312 transition count 604
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1192 place count 310 transition count 600
Iterating global reduction 7 with 2 rules applied. Total rules applied 1194 place count 310 transition count 600
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1196 place count 308 transition count 596
Iterating global reduction 7 with 2 rules applied. Total rules applied 1198 place count 308 transition count 596
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1200 place count 306 transition count 592
Iterating global reduction 7 with 2 rules applied. Total rules applied 1202 place count 306 transition count 592
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1204 place count 304 transition count 578
Iterating global reduction 7 with 2 rules applied. Total rules applied 1206 place count 304 transition count 578
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 1207 place count 304 transition count 577
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1208 place count 303 transition count 577
Performed 144 Post agglomeration using F-continuation condition with reduction of 85 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 1496 place count 159 transition count 348
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 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 9 with 11 rules applied. Total rules applied 1507 place count 159 transition count 337
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1509 place count 158 transition count 336
Discarding 4 places :
Symmetric choice reduction at 11 with 4 rule applications. Total rules 1513 place count 154 transition count 331
Iterating global reduction 11 with 4 rules applied. Total rules applied 1517 place count 154 transition count 331
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 11 with 20 rules applied. Total rules applied 1537 place count 144 transition count 319
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 11 with 9 rules applied. Total rules applied 1546 place count 144 transition count 310
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 12 with 32 rules applied. Total rules applied 1578 place count 128 transition count 344
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 12 with 16 rules applied. Total rules applied 1594 place count 128 transition count 328
Discarding 8 places :
Symmetric choice reduction at 13 with 8 rule applications. Total rules 1602 place count 120 transition count 312
Iterating global reduction 13 with 8 rules applied. Total rules applied 1610 place count 120 transition count 312
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 1615 place count 120 transition count 307
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 14 with 36 rules applied. Total rules applied 1651 place count 120 transition count 271
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1652 place count 119 transition count 270
Applied a total of 1652 rules in 66 ms. Remains 119 /1533 variables (removed 1414) and now considering 270/1957 (removed 1687) transitions.
[2026-05-23 01:23:57] [INFO ] Flow matrix only has 213 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-8971051149796822048.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9700167002338626764.kers'
[2026-05-23 01:23:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8971051149796822048.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9700167002338626764.kers]
Normalized transition count is 212 out of 213 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 212 rows 119 cols 626 entries
Finished phase 1 with 119 SingleSign rule and 0 generalized
[2026-05-23 01:23:57] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9700167002338626764.kers
Total runtime 1 ms.
[2026-05-23 01:23:57] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-23 01:23:57] [INFO ] Flow matrix only has 213 transitions (discarded 57 similar events)
[2026-05-23 01:23:57] [INFO ] Invariant cache hit.
[2026-05-23 01:23:57] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 01:23:57] [INFO ] Implicit Places using invariants and state equation in 122 ms returned [8, 43]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 200 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/1533 places, 270/1957 transitions.
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 0 with 4 rules applied. Total rules applied 4 place count 115 transition count 268
Applied a total of 4 rules in 3 ms. Remains 115 /117 variables (removed 2) and now considering 268/270 (removed 2) transitions.
[2026-05-23 01:23:57] [INFO ] Flow matrix only has 211 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-10993304886612800587.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15752852873889581190.kers'
[2026-05-23 01:23:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10993304886612800587.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15752852873889581190.kers]
Normalized transition count is 210 out of 211 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 210 rows 115 cols 618 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-23 01:23:57] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15752852873889581190.kers
Total runtime 1 ms.
[2026-05-23 01:23:57] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 01:23:57] [INFO ] Flow matrix only has 211 transitions (discarded 57 similar events)
[2026-05-23 01:23:57] [INFO ] Invariant cache hit.
[2026-05-23 01:23:57] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 01:23:57] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 115/1533 places, 268/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 444 ms. Remains : 115/1533 places, 268/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0&&(p1 U p2)))))'
Stuttering acceptance computed with spot in 85 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-07
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-07 finished in 553 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(p1 U (p2||G(p1)))||(p3&&F(p4)))))'
Support contains 4 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 1525 transition count 1949
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 1525 transition count 1949
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 1523 transition count 1947
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 1523 transition count 1947
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 1521 transition count 1945
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 1521 transition count 1945
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 1520 transition count 1944
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 1520 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 27 place count 1519 transition count 1943
Iterating global reduction 0 with 1 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 29 place count 1518 transition count 1942
Iterating global reduction 0 with 1 rules applied. Total rules applied 30 place count 1518 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 1517 transition count 1941
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 1517 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 33 place count 1516 transition count 1940
Iterating global reduction 0 with 1 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 35 place count 1515 transition count 1939
Iterating global reduction 0 with 1 rules applied. Total rules applied 36 place count 1515 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 37 place count 1514 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 38 place count 1514 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1934
Applied a total of 42 rules in 567 ms. Remains 1512 /1533 variables (removed 21) and now considering 1934/1957 (removed 23) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17978826835791494606.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3235701401643772491.kers'
[2026-05-23 01:23:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17978826835791494606.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3235701401643772491.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 1934 rows 1512 cols 4039 entries
Finished phase 1 with 1507 SingleSign rule and 1 generalized
[2026-05-23 01:23:58] [INFO ] Computed 4 invariants in 16 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-3235701401643772491.kers
Total runtime 22 ms.
[2026-05-23 01:23:58] [INFO ] Implicit Places using invariants in 258 ms returned []
[2026-05-23 01:23:58] [INFO ] Invariant cache hit.
[2026-05-23 01:23:59] [INFO ] Implicit Places using invariants and state equation in 907 ms returned []
Implicit Place search using SMT with State Equation took 1167 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2026-05-23 01:23:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 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) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60403ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60406ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1533 places, 1934/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62148 ms. Remains : 1512/1533 places, 1934/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(p1 U (p2||G(p1)))||(p3&&F(p4)))))'
Stuttering acceptance computed with spot in 222 ms :[true, (NOT p4), (OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p1)), (AND (NOT p4) (NOT p2) (NOT p1)), (OR (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2) (NOT p4)))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 360 ms.
Product exploration explored 100000 steps with 50000 reset in 360 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2111 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 17 factoid took 11 ms. Proved property starting from automaton with 6 states, 11 edges and 5 AP (stutter sensitive
Knowledge-based reduction took 34 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-302-LTLFireability-08 finished in 63181 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))'
Support contains 1 out of 1533 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1866 edges and 1533 vertex of which 685 / 1533 are part of one of the 62 SCC in 1 ms
Free SCC test removed 623 places
Ensure Unique test removed 723 transitions
Reduce isomorphic transitions removed 723 transitions.
Graph (complete) has 1407 edges and 910 vertex of which 901 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 495 transitions
Trivial Post-agglo rules discarded 495 transitions
Performed 495 trivial Post agglomeration. Transition count delta: 495
Iterating post reduction 0 with 495 rules applied. Total rules applied 497 place count 900 transition count 733
Reduce places removed 495 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 519 rules applied. Total rules applied 1016 place count 405 transition count 709
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1028 place count 393 transition count 709
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 47 Pre rules applied. Total rules applied 1028 place count 393 transition count 662
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 3 with 94 rules applied. Total rules applied 1122 place count 346 transition count 662
Discarding 16 places :
Symmetric choice reduction at 3 with 16 rule applications. Total rules 1138 place count 330 transition count 638
Iterating global reduction 3 with 16 rules applied. Total rules applied 1154 place count 330 transition count 638
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 1156 place count 330 transition count 636
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1158 place count 328 transition count 636
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1170 place count 316 transition count 620
Iterating global reduction 5 with 12 rules applied. Total rules applied 1182 place count 316 transition count 620
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1188 place count 316 transition count 614
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1191 place count 313 transition count 608
Iterating global reduction 6 with 3 rules applied. Total rules applied 1194 place count 313 transition count 608
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1197 place count 310 transition count 602
Iterating global reduction 6 with 3 rules applied. Total rules applied 1200 place count 310 transition count 602
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1202 place count 308 transition count 598
Iterating global reduction 6 with 2 rules applied. Total rules applied 1204 place count 308 transition count 598
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1206 place count 306 transition count 594
Iterating global reduction 6 with 2 rules applied. Total rules applied 1208 place count 306 transition count 594
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1210 place count 304 transition count 590
Iterating global reduction 6 with 2 rules applied. Total rules applied 1212 place count 304 transition count 590
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1213 place count 303 transition count 583
Iterating global reduction 6 with 1 rules applied. Total rules applied 1214 place count 303 transition count 583
Performed 144 Post agglomeration using F-continuation condition with reduction of 83 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 1502 place count 159 transition count 356
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 1513 place count 159 transition count 345
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1517 place count 155 transition count 340
Iterating global reduction 7 with 4 rules applied. Total rules applied 1521 place count 155 transition count 340
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 7 with 24 rules applied. Total rules applied 1545 place count 143 transition count 326
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1558 place count 143 transition count 313
Performed 18 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 8 with 36 rules applied. Total rules applied 1594 place count 125 transition count 347
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 8 with 18 rules applied. Total rules applied 1612 place count 125 transition count 329
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 1621 place count 116 transition count 311
Iterating global reduction 9 with 9 rules applied. Total rules applied 1630 place count 116 transition count 311
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1636 place count 116 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 10 with 37 rules applied. Total rules applied 1673 place count 116 transition count 268
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1674 place count 115 transition count 267
Applied a total of 1674 rules in 67 ms. Remains 115 /1533 variables (removed 1418) and now considering 267/1957 (removed 1690) transitions.
[2026-05-23 01:25:01] [INFO ] Flow matrix only has 211 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1001539823952400272.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15398011774681496448.kers'
[2026-05-23 01:25:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1001539823952400272.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15398011774681496448.kers]
Normalized transition count is 210 out of 211 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 210 rows 115 cols 613 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-23 01:25:01] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15398011774681496448.kers
Total runtime 1 ms.
[2026-05-23 01:25:01] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-23 01:25:01] [INFO ] Flow matrix only has 211 transitions (discarded 56 similar events)
[2026-05-23 01:25:01] [INFO ] Invariant cache hit.
[2026-05-23 01:25:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:25:01] [INFO ] Implicit Places using invariants and state equation in 124 ms returned [11, 44]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 209 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1533 places, 267/1957 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 111 transition count 265
Applied a total of 4 rules in 5 ms. Remains 111 /113 variables (removed 2) and now considering 265/267 (removed 2) transitions.
[2026-05-23 01:25:01] [INFO ] Flow matrix only has 209 transitions (discarded 56 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1026750728532502284.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2612575682319754693.kers'
[2026-05-23 01:25:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1026750728532502284.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2612575682319754693.kers]
Normalized transition count is 208 out of 209 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 208 rows 111 cols 605 entries
Finished phase 1 with 111 SingleSign rule and 0 generalized
[2026-05-23 01:25:01] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2612575682319754693.kers
Total runtime 1 ms.
[2026-05-23 01:25:01] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-23 01:25:01] [INFO ] Flow matrix only has 209 transitions (discarded 56 similar events)
[2026-05-23 01:25:01] [INFO ] Invariant cache hit.
[2026-05-23 01:25:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 01:25:01] [INFO ] Implicit Places using invariants and state equation in 109 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 : 111/1533 places, 265/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 445 ms. Remains : 111/1533 places, 265/1957 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))'
Stuttering acceptance computed with spot in 56 ms :[true, (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-09
Entered a terminal (fully accepting) state of product in 593 steps with 52 reset in 3 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-09 finished in 526 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((X((G(p0)||X(p1)))&&(p0||X(p0))))))'
Support contains 2 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1522 transition count 1946
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1522 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 1519 transition count 1943
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 31 place count 1516 transition count 1940
Iterating global reduction 0 with 3 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 36 place count 1514 transition count 1938
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1933
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1508 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1507 transition count 1929
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1506 transition count 1928
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1506 transition count 1928
Applied a total of 54 rules in 565 ms. Remains 1506 /1533 variables (removed 27) and now considering 1928/1957 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16204212121177144260.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18382667907856122480.kers'
[2026-05-23 01:25:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16204212121177144260.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18382667907856122480.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1928 rows 1506 cols 4027 entries
Finished phase 1 with 1501 SingleSign rule and 1 generalized
[2026-05-23 01:25:02] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-18382667907856122480.kers
Total runtime 13 ms.
[2026-05-23 01:25:02] [INFO ] Implicit Places using invariants in 209 ms returned []
[2026-05-23 01:25:02] [INFO ] Invariant cache hit.
[2026-05-23 01:25:03] [INFO ] Implicit Places using invariants and state equation in 881 ms returned []
Implicit Place search using SMT with State Equation took 1090 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2026-05-23 01:25:03] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30041 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60395ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60398ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1533 places, 1928/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62060 ms. Remains : 1506/1533 places, 1928/1957 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((X((G(p0)||X(p1)))&&(p0||X(p0))))))'
Stuttering acceptance computed with spot in 267 ms :[true, (NOT p0), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-10 finished in 62374 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||(G(p1) U p2))))'
Support contains 2 out of 1533 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Graph (trivial) has 1861 edges and 1533 vertex of which 681 / 1533 are part of one of the 63 SCC in 1 ms
Free SCC test removed 618 places
Ensure Unique test removed 712 transitions
Reduce isomorphic transitions removed 712 transitions.
Graph (complete) has 1418 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 498 transitions
Trivial Post-agglo rules discarded 498 transitions
Performed 498 trivial Post agglomeration. Transition count delta: 498
Iterating post reduction 0 with 498 rules applied. Total rules applied 500 place count 905 transition count 741
Reduce places removed 498 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 523 rules applied. Total rules applied 1023 place count 407 transition count 716
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 15 rules applied. Total rules applied 1038 place count 395 transition count 713
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1042 place count 393 transition count 711
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 47 Pre rules applied. Total rules applied 1042 place count 393 transition count 664
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 1136 place count 346 transition count 664
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 1153 place count 329 transition count 638
Iterating global reduction 4 with 17 rules applied. Total rules applied 1170 place count 329 transition count 638
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 1172 place count 329 transition count 636
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1174 place count 327 transition count 636
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 1186 place count 315 transition count 620
Iterating global reduction 6 with 12 rules applied. Total rules applied 1198 place count 315 transition count 620
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1204 place count 315 transition count 614
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1207 place count 312 transition count 608
Iterating global reduction 7 with 3 rules applied. Total rules applied 1210 place count 312 transition count 608
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1213 place count 309 transition count 602
Iterating global reduction 7 with 3 rules applied. Total rules applied 1216 place count 309 transition count 602
Performed 143 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 7 with 286 rules applied. Total rules applied 1502 place count 166 transition count 378
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1515 place count 166 transition count 365
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1519 place count 162 transition count 360
Iterating global reduction 8 with 4 rules applied. Total rules applied 1523 place count 162 transition count 360
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1547 place count 150 transition count 346
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1561 place count 150 transition count 332
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1562 place count 149 transition count 330
Iterating global reduction 9 with 1 rules applied. Total rules applied 1563 place count 149 transition count 330
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 1599 place count 131 transition count 375
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 9 with 27 rules applied. Total rules applied 1626 place count 131 transition count 348
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1635 place count 122 transition count 330
Iterating global reduction 10 with 9 rules applied. Total rules applied 1644 place count 122 transition count 330
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1650 place count 122 transition count 324
Drop transitions (Redundant composition of simpler transitions.) removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 11 with 45 rules applied. Total rules applied 1695 place count 122 transition count 279
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 1697 place count 122 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1698 place count 121 transition count 278
Applied a total of 1698 rules in 59 ms. Remains 121 /1533 variables (removed 1412) and now considering 278/1957 (removed 1679) transitions.
[2026-05-23 01:26:04] [INFO ] Flow matrix only has 221 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-13802534171396431376.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8665297884481650370.kers'
[2026-05-23 01:26:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13802534171396431376.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8665297884481650370.kers]
Normalized transition count is 220 out of 221 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 220 rows 121 cols 632 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-23 01:26:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8665297884481650370.kers
Total runtime 1 ms.
[2026-05-23 01:26:04] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-23 01:26:04] [INFO ] Flow matrix only has 221 transitions (discarded 57 similar events)
[2026-05-23 01:26:04] [INFO ] Invariant cache hit.
[2026-05-23 01:26:04] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 01:26:04] [INFO ] Implicit Places using invariants and state equation in 116 ms returned [15, 48]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 199 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/1533 places, 278/1957 transitions.
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 0 with 4 rules applied. Total rules applied 4 place count 117 transition count 276
Applied a total of 4 rules in 4 ms. Remains 117 /119 variables (removed 2) and now considering 276/278 (removed 2) transitions.
[2026-05-23 01:26:04] [INFO ] Flow matrix only has 219 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-14435276875616923351.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6532437577570066307.kers'
[2026-05-23 01:26:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14435276875616923351.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6532437577570066307.kers]
Normalized transition count is 218 out of 219 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 218 rows 117 cols 624 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-23 01:26:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6532437577570066307.kers
Total runtime 1 ms.
[2026-05-23 01:26:04] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-23 01:26:04] [INFO ] Flow matrix only has 219 transitions (discarded 57 similar events)
[2026-05-23 01:26:04] [INFO ] Invariant cache hit.
[2026-05-23 01:26:04] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-23 01:26:04] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 117/1533 places, 276/1957 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 433 ms. Remains : 117/1533 places, 276/1957 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||(G(p1) U p2))))'
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-12
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-12 finished in 498 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)&&(F(p0) U X(X(X(X(p1)))))))'
Support contains 2 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1522 transition count 1946
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1522 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 1519 transition count 1943
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 31 place count 1516 transition count 1940
Iterating global reduction 0 with 3 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 36 place count 1514 transition count 1938
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1933
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1508 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1507 transition count 1929
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1506 transition count 1928
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1506 transition count 1928
Applied a total of 54 rules in 599 ms. Remains 1506 /1533 variables (removed 27) and now considering 1928/1957 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16205959395736377108.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11525275101643375401.kers'
[2026-05-23 01:26:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16205959395736377108.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11525275101643375401.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1928 rows 1506 cols 4027 entries
Finished phase 1 with 1501 SingleSign rule and 1 generalized
[2026-05-23 01:26:05] [INFO ] Computed 4 invariants in 8 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-11525275101643375401.kers
Total runtime 12 ms.
[2026-05-23 01:26:05] [INFO ] Implicit Places using invariants in 212 ms returned []
[2026-05-23 01:26:05] [INFO ] Invariant cache hit.
[2026-05-23 01:26:06] [INFO ] Implicit Places using invariants and state equation in 878 ms returned []
Implicit Place search using SMT with State Equation took 1102 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 1506/1533 places, 1928/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1701 ms. Remains : 1506/1533 places, 1928/1957 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)&&(F(p0) U X(X(X(X(p1)))))))'
Stuttering acceptance computed with spot in 445 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-13
Stuttering criterion allowed to conclude after 137 steps with 0 reset in 2 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-13 finished in 2189 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&&X(p1))))||F((G(F(p2))||(p1&&F(p2))))) U !p0)))'
Support contains 3 out of 1533 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1533/1533 places, 1957/1957 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1522 transition count 1946
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1522 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 25 place count 1519 transition count 1943
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 1519 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 31 place count 1516 transition count 1940
Iterating global reduction 0 with 3 rules applied. Total rules applied 34 place count 1516 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 36 place count 1514 transition count 1938
Iterating global reduction 0 with 2 rules applied. Total rules applied 38 place count 1514 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 39 place count 1513 transition count 1937
Iterating global reduction 0 with 1 rules applied. Total rules applied 40 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 41 place count 1512 transition count 1936
Iterating global reduction 0 with 1 rules applied. Total rules applied 42 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 1511 transition count 1935
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 1510 transition count 1934
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 47 place count 1509 transition count 1933
Iterating global reduction 0 with 1 rules applied. Total rules applied 48 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 49 place count 1508 transition count 1931
Iterating global reduction 0 with 1 rules applied. Total rules applied 50 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 51 place count 1507 transition count 1929
Iterating global reduction 0 with 1 rules applied. Total rules applied 52 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 53 place count 1506 transition count 1928
Iterating global reduction 0 with 1 rules applied. Total rules applied 54 place count 1506 transition count 1928
Applied a total of 54 rules in 572 ms. Remains 1506 /1533 variables (removed 27) and now considering 1928/1957 (removed 29) transitions.
[2026-05-23 01:26:07] [INFO ] Invariant cache hit.
[2026-05-23 01:26:07] [INFO ] Implicit Places using invariants in 198 ms returned []
[2026-05-23 01:26:07] [INFO ] Invariant cache hit.
[2026-05-23 01:26:08] [INFO ] Implicit Places using invariants and state equation in 852 ms returned []
Implicit Place search using SMT with State Equation took 1051 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 1506/1533 places, 1928/1957 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1624 ms. Remains : 1506/1533 places, 1928/1957 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(F((p0&&X(p1))))||F((G(F(p2))||(p1&&F(p2))))) U !p0)))'
Stuttering acceptance computed with spot in 214 ms :[p0, p0, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-14
Stuttering criterion allowed to conclude after 212 steps with 4 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-14 finished in 1901 ms.
All properties solved by simple procedures.
Total runtime 508475 ms.
BK_STOP 1779499568720
--------------------
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-302"
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-302, 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-177946967500124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 '
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 ;