About the Execution of ITS-Tools for CloudReconfiguration-PT-311
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1316.464 | 732601.00 | 920035.00 | 21352.20 | FFFFFFFFFFFFFFFF | 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-177946967600196.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-311, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600196
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.8K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 08:54 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 3.7K Mar 15 08:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:24 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-311-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779508541513
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-311
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-23 03:55:42] [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 03:55:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:55:42] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-23 03:55:42] [INFO ] Transformed 2585 places.
[2026-05-23 03:55:42] [INFO ] Transformed 3095 transitions.
[2026-05-23 03:55:42] [INFO ] Found NUPN structural information;
[2026-05-23 03:55:42] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 244 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA CloudReconfiguration-PT-311-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 516 places :
Symmetric choice reduction at 0 with 516 rule applications. Total rules 516 place count 2069 transition count 2579
Iterating global reduction 0 with 516 rules applied. Total rules applied 1032 place count 2069 transition count 2579
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1061 place count 2069 transition count 2550
Discarding 238 places :
Symmetric choice reduction at 1 with 238 rule applications. Total rules 1299 place count 1831 transition count 2312
Iterating global reduction 1 with 238 rules applied. Total rules applied 1537 place count 1831 transition count 2312
Discarding 89 places :
Symmetric choice reduction at 1 with 89 rule applications. Total rules 1626 place count 1742 transition count 2223
Iterating global reduction 1 with 89 rules applied. Total rules applied 1715 place count 1742 transition count 2223
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 1731 place count 1742 transition count 2207
Discarding 50 places :
Symmetric choice reduction at 2 with 50 rule applications. Total rules 1781 place count 1692 transition count 2157
Iterating global reduction 2 with 50 rules applied. Total rules applied 1831 place count 1692 transition count 2157
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1840 place count 1692 transition count 2148
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 1878 place count 1654 transition count 2106
Iterating global reduction 3 with 38 rules applied. Total rules applied 1916 place count 1654 transition count 2106
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 1943 place count 1627 transition count 2079
Iterating global reduction 3 with 27 rules applied. Total rules applied 1970 place count 1627 transition count 2079
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1995 place count 1602 transition count 2054
Iterating global reduction 3 with 25 rules applied. Total rules applied 2020 place count 1602 transition count 2054
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 2045 place count 1577 transition count 2029
Iterating global reduction 3 with 25 rules applied. Total rules applied 2070 place count 1577 transition count 2029
Discarding 21 places :
Symmetric choice reduction at 3 with 21 rule applications. Total rules 2091 place count 1556 transition count 1995
Iterating global reduction 3 with 21 rules applied. Total rules applied 2112 place count 1556 transition count 1995
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 2118 place count 1550 transition count 1985
Iterating global reduction 3 with 6 rules applied. Total rules applied 2124 place count 1550 transition count 1985
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 2130 place count 1544 transition count 1977
Iterating global reduction 3 with 6 rules applied. Total rules applied 2136 place count 1544 transition count 1977
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2138 place count 1544 transition count 1975
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2140 place count 1542 transition count 1973
Iterating global reduction 4 with 2 rules applied. Total rules applied 2142 place count 1542 transition count 1973
Applied a total of 2142 rules in 1701 ms. Remains 1542 /2585 variables (removed 1043) and now considering 1973/3095 (removed 1122) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1944370432006406960.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6766013481047001774.kers'
[2026-05-23 03:55:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1944370432006406960.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6766013481047001774.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1973 rows 1542 cols 4117 entries
Finished phase 1 with 1537 SingleSign rule and 1 generalized
[2026-05-23 03:55:44] [INFO ] Computed 4 invariants in 10 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-6766013481047001774.kers
Total runtime 12 ms.
[2026-05-23 03:55:45] [INFO ] Implicit Places using invariants in 495 ms returned []
[2026-05-23 03:55:45] [INFO ] Invariant cache hit.
[2026-05-23 03:55:46] [INFO ] Implicit Places using invariants and state equation in 987 ms returned []
Implicit Place search using SMT with State Equation took 1516 ms to find 0 implicit places.
Running 1972 sub problems to find dead transitions.
[2026-05-23 03:55:46] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1541 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1972 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1541/3515 variables, and 4 constraints, problems are : Problem set: 0 solved, 1972 unsolved in 30070 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1542 constraints, PredecessorRefiner: 1972/1972 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1972 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1541 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1972 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1541/3515 variables, and 4 constraints, problems are : Problem set: 0 solved, 1972 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1542 constraints, PredecessorRefiner: 0/1972 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60635ms problems are : Problem set: 0 solved, 1972 unsolved
Search for dead transitions found 0 dead transitions in 60660ms
Starting structural reductions in LTL mode, iteration 1 : 1542/2585 places, 1973/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63929 ms. Remains : 1542/2585 places, 1973/3095 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Applied a total of 0 rules in 48 ms. Remains 1542 /1542 variables (removed 0) and now considering 1973/1973 (removed 0) transitions.
[2026-05-23 03:56:47] [INFO ] Invariant cache hit.
[2026-05-23 03:56:47] [INFO ] Implicit Places using invariants in 223 ms returned []
[2026-05-23 03:56:47] [INFO ] Invariant cache hit.
[2026-05-23 03:56:48] [INFO ] Implicit Places using invariants and state equation in 917 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 1191 ms. Remains : 1542/1542 places, 1973/1973 transitions.
Support contains 38 out of 1542 places after structural reductions.
[2026-05-23 03:56:52] [INFO ] Flatten gal took : 122 ms
[2026-05-23 03:56:52] [INFO ] Flatten gal took : 67 ms
[2026-05-23 03:56:52] [INFO ] Input system was already deterministic with 1973 transitions.
RANDOM walk for 40000 steps (398 resets) in 1172 ms. (34 steps per ms) remains 25/40 properties
BEST_FIRST walk for 4004 steps (20 resets) in 45 ms. (87 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (13 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (16 resets) in 24 ms. (160 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (13 resets) in 37 ms. (105 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (15 resets) in 22 ms. (174 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (17 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (12 resets) in 15 ms. (250 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (15 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (18 resets) in 16 ms. (235 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (13 resets) in 20 ms. (190 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4002 steps (13 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (17 resets) in 17 ms. (222 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (17 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (14 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (12 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (11 resets) in 17 ms. (222 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (13 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (16 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (16 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (13 resets) in 15 ms. (250 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (10 resets) in 10 ms. (363 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (14 resets) in 23 ms. (166 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (13 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (16 resets) in 18 ms. (210 steps per ms) remains 24/24 properties
[2026-05-23 03:56:53] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 1505/1531 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1531 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 1963/3494 variables, 1531/1535 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3494 variables, 0/1535 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 2/3496 variables, 1/1536 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3496 variables, 0/1536 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 2/3498 variables, 1/1537 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3498 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 2/3500 variables, 1/1538 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3500/3515 variables, and 1538 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1534/1542 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 1505/1531 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1531 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 1963/3494 variables, 1531/1535 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3494 variables, 24/1559 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3494 variables, 0/1559 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (OVERLAPS) 2/3496 variables, 1/1560 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3496/3515 variables, and 1560 constraints, problems are : Problem set: 0 solved, 24 unsolved in 5015 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1532/1542 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10044ms problems are : Problem set: 0 solved, 24 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 26 out of 1542 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Graph (trivial) has 1826 edges and 1542 vertex of which 619 / 1542 are part of one of the 61 SCC in 2352 ms
Free SCC test removed 558 places
Drop transitions (Empty/Sink Transition effects.) removed 706 transitions
Reduce isomorphic transitions removed 706 transitions.
Graph (complete) has 1443 edges and 984 vertex of which 975 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 512 transitions
Trivial Post-agglo rules discarded 512 transitions
Performed 512 trivial Post agglomeration. Transition count delta: 512
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 975 transition count 744
Reduce places removed 512 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 564 rules applied. Total rules applied 1085 place count 463 transition count 692
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 2 with 35 rules applied. Total rules applied 1120 place count 430 transition count 690
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 3 with 3 rules applied. Total rules applied 1123 place count 429 transition count 688
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 4 with 3 rules applied. Total rules applied 1126 place count 428 transition count 686
Reduce places removed 1 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 5 with 12 rules applied. Total rules applied 1138 place count 427 transition count 675
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 1149 place count 416 transition count 675
Performed 59 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 59 Pre rules applied. Total rules applied 1149 place count 416 transition count 616
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 7 with 118 rules applied. Total rules applied 1267 place count 357 transition count 616
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 1273 place count 351 transition count 608
Iterating global reduction 7 with 6 rules applied. Total rules applied 1279 place count 351 transition count 608
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 7 with 2 rules applied. Total rules applied 1281 place count 351 transition count 606
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1283 place count 349 transition count 606
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 2 Pre rules applied. Total rules applied 1283 place count 349 transition count 604
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 9 with 4 rules applied. Total rules applied 1287 place count 347 transition count 604
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1289 place count 345 transition count 602
Iterating global reduction 9 with 2 rules applied. Total rules applied 1291 place count 345 transition count 602
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1293 place count 345 transition count 600
Performed 156 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 156 places in 1 ms
Reduce places removed 156 places and 0 transitions.
Iterating global reduction 10 with 312 rules applied. Total rules applied 1605 place count 189 transition count 357
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 10 with 25 rules applied. Total rules applied 1630 place count 189 transition count 332
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 1632 place count 187 transition count 330
Iterating global reduction 11 with 2 rules applied. Total rules applied 1634 place count 187 transition count 330
Performed 8 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 11 with 16 rules applied. Total rules applied 1650 place count 179 transition count 321
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 11 with 10 rules applied. Total rules applied 1660 place count 179 transition count 311
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 12 with 2 rules applied. Total rules applied 1662 place count 178 transition count 310
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1664 place count 178 transition count 308
Performed 41 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 13 with 82 rules applied. Total rules applied 1746 place count 137 transition count 370
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 13 with 36 rules applied. Total rules applied 1782 place count 137 transition count 334
Discarding 18 places :
Symmetric choice reduction at 14 with 18 rule applications. Total rules 1800 place count 119 transition count 294
Iterating global reduction 14 with 18 rules applied. Total rules applied 1818 place count 119 transition count 294
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 1822 place count 119 transition count 290
Discarding 4 places :
Symmetric choice reduction at 15 with 4 rule applications. Total rules 1826 place count 115 transition count 282
Iterating global reduction 15 with 4 rules applied. Total rules applied 1830 place count 115 transition count 282
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 15 with 3 rules applied. Total rules applied 1833 place count 115 transition count 279
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 16 with 14 rules applied. Total rules applied 1847 place count 115 transition count 265
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 1849 place count 114 transition count 264
Free-agglomeration rule applied 8 times.
Iterating global reduction 16 with 8 rules applied. Total rules applied 1857 place count 114 transition count 256
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 9 rules applied. Total rules applied 1866 place count 106 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 17 with 3 rules applied. Total rules applied 1869 place count 106 transition count 252
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 17 with 3 rules applied. Total rules applied 1872 place count 106 transition count 252
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 1873 place count 106 transition count 251
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1874 place count 105 transition count 250
Applied a total of 1874 rules in 2532 ms. Remains 105 /1542 variables (removed 1437) and now considering 250/1973 (removed 1723) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2532 ms. Remains : 105/1542 places, 250/1973 transitions.
RANDOM walk for 40000 steps (344 resets) in 681 ms. (58 steps per ms) remains 0/24 properties
FORMULA CloudReconfiguration-PT-311-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 29 stabilizing places and 31 stable transitions
Graph (complete) has 2150 edges and 1542 vertex of which 1533 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.24 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 1542 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Graph (trivial) has 1884 edges and 1542 vertex of which 696 / 1542 are part of one of the 63 SCC in 3 ms
Free SCC test removed 633 places
Ensure Unique test removed 735 transitions
Reduce isomorphic transitions removed 735 transitions.
Graph (complete) has 1410 edges and 909 vertex of which 900 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 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 899 transition count 738
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 405 transition count 714
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 1027 place count 393 transition count 713
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1028 place count 392 transition count 713
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1028 place count 392 transition count 667
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1120 place count 346 transition count 667
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 1137 place count 329 transition count 641
Iterating global reduction 4 with 17 rules applied. Total rules applied 1154 place count 329 transition count 641
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 1156 place count 329 transition count 639
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1158 place count 327 transition count 639
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 1158 place count 327 transition count 637
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1162 place count 325 transition count 637
Discarding 9 places :
Symmetric choice reduction at 6 with 9 rule applications. Total rules 1171 place count 316 transition count 625
Iterating global reduction 6 with 9 rules applied. Total rules applied 1180 place count 316 transition count 625
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1185 place count 316 transition count 620
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1187 place count 314 transition count 616
Iterating global reduction 7 with 2 rules applied. Total rules applied 1189 place count 314 transition count 616
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1191 place count 312 transition count 612
Iterating global reduction 7 with 2 rules applied. Total rules applied 1193 place count 312 transition count 612
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1195 place count 310 transition count 608
Iterating global reduction 7 with 2 rules applied. Total rules applied 1197 place count 310 transition count 608
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1199 place count 308 transition count 604
Iterating global reduction 7 with 2 rules applied. Total rules applied 1201 place count 308 transition count 604
Performed 148 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 148 places in 0 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 7 with 296 rules applied. Total rules applied 1497 place count 160 transition count 369
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 7 with 18 rules applied. Total rules applied 1515 place count 160 transition count 351
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1520 place count 155 transition count 341
Iterating global reduction 8 with 5 rules applied. Total rules applied 1525 place count 155 transition count 341
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1526 place count 154 transition count 340
Iterating global reduction 8 with 1 rules applied. Total rules applied 1527 place count 154 transition count 340
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1528 place count 154 transition count 339
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 9 with 22 rules applied. Total rules applied 1550 place count 143 transition count 326
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1563 place count 143 transition count 313
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 10 with 36 rules applied. Total rules applied 1599 place count 125 transition count 349
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 10 with 19 rules applied. Total rules applied 1618 place count 125 transition count 330
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 1627 place count 116 transition count 312
Iterating global reduction 11 with 9 rules applied. Total rules applied 1636 place count 116 transition count 312
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1642 place count 116 transition count 306
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 12 with 36 rules applied. Total rules applied 1678 place count 116 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 1679 place count 115 transition count 269
Applied a total of 1679 rules in 133 ms. Remains 115 /1542 variables (removed 1427) and now considering 269/1973 (removed 1704) transitions.
[2026-05-23 03:57:06] [INFO ] Flow matrix only has 212 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-1532679931223305055.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9878997248311298944.kers'
[2026-05-23 03:57:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1532679931223305055.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9878997248311298944.kers]
Normalized transition count is 211 out of 212 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 211 rows 115 cols 615 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-23 03:57:06] [INFO ] Computed 0 invariants in 3 ms
Computed 0 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9878997248311298944.kers
Total runtime 3 ms.
[2026-05-23 03:57:07] [INFO ] Implicit Places using invariants in 56 ms returned []
[2026-05-23 03:57:07] [INFO ] Flow matrix only has 212 transitions (discarded 57 similar events)
[2026-05-23 03:57:07] [INFO ] Invariant cache hit.
[2026-05-23 03:57:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 03:57:07] [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 188 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1542 places, 269/1973 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 111 transition count 267
Applied a total of 4 rules in 8 ms. Remains 111 /113 variables (removed 2) and now considering 267/269 (removed 2) transitions.
[2026-05-23 03:57:07] [INFO ] Flow matrix only has 210 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-10072818809073801317.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8917771876318177458.kers'
[2026-05-23 03:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10072818809073801317.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8917771876318177458.kers]
Normalized transition count is 209 out of 210 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 209 rows 111 cols 631 entries
Finished phase 1 with 111 SingleSign rule and 0 generalized
[2026-05-23 03:57:07] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8917771876318177458.kers
Total runtime 1 ms.
[2026-05-23 03:57:07] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-23 03:57:07] [INFO ] Flow matrix only has 210 transitions (discarded 57 similar events)
[2026-05-23 03:57:07] [INFO ] Invariant cache hit.
[2026-05-23 03:57:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-23 03:57:07] [INFO ] Implicit Places using invariants and state equation in 110 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 : 111/1542 places, 267/1973 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 488 ms. Remains : 111/1542 places, 267/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 161 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-00
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-00 finished in 729 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((F((p0 U (G(p0)||(p0&&G(p1))))) U X((p2 U X(p2)))))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1525 transition count 1955
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1525 transition count 1955
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1525 transition count 1954
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 42 place count 1518 transition count 1945
Iterating global reduction 1 with 7 rules applied. Total rules applied 49 place count 1518 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 52 place count 1515 transition count 1942
Iterating global reduction 1 with 3 rules applied. Total rules applied 55 place count 1515 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 56 place count 1514 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 57 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 58 place count 1513 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 59 place count 1513 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 60 place count 1512 transition count 1937
Iterating global reduction 1 with 1 rules applied. Total rules applied 61 place count 1512 transition count 1937
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 62 place count 1512 transition count 1936
Applied a total of 62 rules in 333 ms. Remains 1512 /1542 variables (removed 30) and now considering 1936/1973 (removed 37) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4028412919605814027.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14686034296243439162.kers'
[2026-05-23 03:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4028412919605814027.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14686034296243439162.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1936 rows 1512 cols 4043 entries
Finished phase 1 with 1507 SingleSign rule and 1 generalized
[2026-05-23 03:57:07] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-14686034296243439162.kers
Total runtime 11 ms.
[2026-05-23 03:57:08] [INFO ] Implicit Places using invariants in 234 ms returned []
[2026-05-23 03:57:08] [INFO ] Invariant cache hit.
[2026-05-23 03:57:09] [INFO ] Implicit Places using invariants and state equation in 932 ms returned []
Implicit Place search using SMT with State Equation took 1168 ms to find 0 implicit places.
Running 1935 sub problems to find dead transitions.
[2026-05-23 03:57:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 1935/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1935 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60509ms problems are : Problem set: 0 solved, 1935 unsolved
Search for dead transitions found 0 dead transitions in 60515ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1542 places, 1936/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62026 ms. Remains : 1512/1542 places, 1936/1973 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((F((p0 U (G(p0)||(p0&&G(p1))))) U X((p2 U X(p2)))))))'
Stuttering acceptance computed with spot in 474 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-01
Product exploration explored 100000 steps with 1025 reset in 284 ms.
Product exploration explored 100000 steps with 982 reset in 239 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2113 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.9 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge based reduction with 23 factoid took 1327 ms. Reduced automaton from 11 states, 66 edges and 3 AP (stutter sensitive) to 11 states, 66 edges and 3 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 40000 steps (411 resets) in 378 ms. (105 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (142 resets) in 148 ms. (268 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (125 resets) in 148 ms. (268 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (127 resets) in 145 ms. (274 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (136 resets) in 251 ms. (158 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (130 resets) in 82 ms. (481 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (138 resets) in 85 ms. (465 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (131 resets) in 86 ms. (459 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40001 steps (132 resets) in 68 ms. (579 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (146 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (136 resets) in 57 ms. (689 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (143 resets) in 72 ms. (547 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (136 resets) in 57 ms. (689 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (130 resets) in 60 ms. (655 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 271736 steps, run timeout after 3001 ms. (steps per millisecond=90 ) properties seen :0 out of 13
Probabilistic random walk after 271736 steps, saw 67810 distinct states, run finished after 3006 ms. (steps per millisecond=90 ) properties seen :0
[2026-05-23 03:58:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 1498/1501 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 1926/3427 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 12 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SMT process timed out in 5023ms, After SMT, problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1512 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1512/1512 places, 1936/1936 transitions.
Graph (trivial) has 1843 edges and 1512 vertex of which 693 / 1512 are part of one of the 63 SCC in 5 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 796 transitions
Reduce isomorphic transitions removed 796 transitions.
Graph (complete) has 1312 edges and 882 vertex of which 873 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 487 transitions
Trivial Post-agglo rules discarded 487 transitions
Performed 487 trivial Post agglomeration. Transition count delta: 487
Iterating post reduction 0 with 494 rules applied. Total rules applied 496 place count 873 transition count 642
Reduce places removed 487 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 1 with 542 rules applied. Total rules applied 1038 place count 386 transition count 587
Reduce places removed 36 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 37 rules applied. Total rules applied 1075 place count 350 transition count 586
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1076 place count 349 transition count 586
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 51 Pre rules applied. Total rules applied 1076 place count 349 transition count 535
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 4 with 102 rules applied. Total rules applied 1178 place count 298 transition count 535
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1188 place count 288 transition count 521
Iterating global reduction 4 with 10 rules applied. Total rules applied 1198 place count 288 transition count 521
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 1200 place count 288 transition count 519
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1202 place count 286 transition count 519
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 1209 place count 279 transition count 511
Iterating global reduction 6 with 7 rules applied. Total rules applied 1216 place count 279 transition count 511
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1222 place count 279 transition count 505
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1223 place count 278 transition count 499
Iterating global reduction 7 with 1 rules applied. Total rules applied 1224 place count 278 transition count 499
Performed 147 Post agglomeration using F-continuation condition with reduction of 98 identical transitions.
Deduced a syphon composed of 147 places in 0 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 7 with 294 rules applied. Total rules applied 1518 place count 131 transition count 254
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1533 place count 131 transition count 239
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1536 place count 128 transition count 236
Iterating global reduction 8 with 3 rules applied. Total rules applied 1539 place count 128 transition count 236
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 1563 place count 116 transition count 222
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1577 place count 116 transition count 208
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 1579 place count 115 transition count 207
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1581 place count 115 transition count 205
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1583 place count 114 transition count 204
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 1585 place count 114 transition count 202
Performed 34 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 11 with 68 rules applied. Total rules applied 1653 place count 80 transition count 233
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 1700 place count 80 transition count 186
Discarding 23 places :
Symmetric choice reduction at 12 with 23 rule applications. Total rules 1723 place count 57 transition count 156
Iterating global reduction 12 with 23 rules applied. Total rules applied 1746 place count 57 transition count 156
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 12 with 14 rules applied. Total rules applied 1760 place count 57 transition count 142
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1766 place count 51 transition count 130
Iterating global reduction 13 with 6 rules applied. Total rules applied 1772 place count 51 transition count 130
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 1777 place count 51 transition count 125
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 14 with 23 rules applied. Total rules applied 1800 place count 51 transition count 102
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 1802 place count 49 transition count 96
Iterating global reduction 14 with 2 rules applied. Total rules applied 1804 place count 49 transition count 96
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 1806 place count 47 transition count 94
Iterating global reduction 14 with 2 rules applied. Total rules applied 1808 place count 47 transition count 94
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 92
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 91
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 89
Free-agglomeration rule applied 3 times.
Iterating global reduction 15 with 3 rules applied. Total rules applied 1817 place count 46 transition count 86
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1821 place count 43 transition count 85
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1822 place count 43 transition count 85
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1823 place count 42 transition count 84
Applied a total of 1823 rules in 136 ms. Remains 42 /1512 variables (removed 1470) and now considering 84/1936 (removed 1852) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 42/1512 places, 84/1936 transitions.
RANDOM walk for 23911 steps (431 resets) in 252 ms. (94 steps per ms) remains 0/13 properties
Knowledge based reduction with 23 factoid took 1516 ms. Reduced automaton from 11 states, 66 edges and 3 AP (stutter sensitive) to 11 states, 66 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 522 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
[2026-05-23 03:58:22] [INFO ] Invariant cache hit.
[2026-05-23 03:58:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 11 ms returned sat
[2026-05-23 03:58:23] [INFO ] [Real]Absence check using state equation in 248 ms returned unsat
Proved EG (NOT p2) asserting that LTL formula F !(NOT p2) is false.
Negative knowledge disproves property using: (F p2)
Knowledge-based reduction took 13091 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-01 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-01 finished in 76216 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 2 out of 1542 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Graph (trivial) has 1883 edges and 1542 vertex of which 700 / 1542 are part of one of the 63 SCC in 7 ms
Free SCC test removed 637 places
Ensure Unique test removed 740 transitions
Reduce isomorphic transitions removed 740 transitions.
Graph (complete) has 1405 edges and 905 vertex of which 896 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 489 transitions
Trivial Post-agglo rules discarded 489 transitions
Performed 489 trivial Post agglomeration. Transition count delta: 489
Iterating post reduction 0 with 489 rules applied. Total rules applied 491 place count 895 transition count 738
Reduce places removed 489 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 513 rules applied. Total rules applied 1004 place count 406 transition count 714
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 1017 place count 394 transition count 713
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1018 place count 393 transition count 713
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1018 place count 393 transition count 667
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 1110 place count 347 transition count 667
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 1127 place count 330 transition count 640
Iterating global reduction 4 with 17 rules applied. Total rules applied 1144 place count 330 transition count 640
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 1146 place count 330 transition count 638
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1148 place count 328 transition count 638
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 1148 place count 328 transition count 636
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1152 place count 326 transition count 636
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1162 place count 316 transition count 622
Iterating global reduction 6 with 10 rules applied. Total rules applied 1172 place count 316 transition count 622
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1177 place count 316 transition count 617
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1179 place count 314 transition count 613
Iterating global reduction 7 with 2 rules applied. Total rules applied 1181 place count 314 transition count 613
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1183 place count 312 transition count 609
Iterating global reduction 7 with 2 rules applied. Total rules applied 1185 place count 312 transition count 609
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1187 place count 310 transition count 605
Iterating global reduction 7 with 2 rules applied. Total rules applied 1189 place count 310 transition count 605
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1191 place count 308 transition count 601
Iterating global reduction 7 with 2 rules applied. Total rules applied 1193 place count 308 transition count 601
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1194 place count 307 transition count 599
Iterating global reduction 7 with 1 rules applied. Total rules applied 1195 place count 307 transition count 599
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1196 place count 306 transition count 592
Iterating global reduction 7 with 1 rules applied. Total rules applied 1197 place count 306 transition count 592
Performed 146 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 7 with 292 rules applied. Total rules applied 1489 place count 160 transition count 359
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1504 place count 160 transition count 344
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1509 place count 155 transition count 334
Iterating global reduction 8 with 5 rules applied. Total rules applied 1514 place count 155 transition count 334
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 1 rules applied. Total rules applied 1515 place count 155 transition count 333
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 1517 place count 154 transition count 332
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1518 place count 153 transition count 331
Iterating global reduction 10 with 1 rules applied. Total rules applied 1519 place count 153 transition count 331
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1520 place count 153 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 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 11 with 22 rules applied. Total rules applied 1542 place count 142 transition count 317
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 1553 place count 142 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 12 with 34 rules applied. Total rules applied 1587 place count 125 transition count 340
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 12 with 16 rules applied. Total rules applied 1603 place count 125 transition count 324
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1612 place count 116 transition count 306
Iterating global reduction 13 with 9 rules applied. Total rules applied 1621 place count 116 transition count 306
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1627 place count 116 transition count 300
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 14 with 35 rules applied. Total rules applied 1662 place count 116 transition count 265
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1663 place count 115 transition count 264
Applied a total of 1663 rules in 102 ms. Remains 115 /1542 variables (removed 1427) and now considering 264/1973 (removed 1709) transitions.
[2026-05-23 03:58:23] [INFO ] Flow matrix only has 207 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-13705171698330724932.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12878667920180937907.kers'
[2026-05-23 03:58:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13705171698330724932.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12878667920180937907.kers]
Normalized transition count is 206 out of 207 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 206 rows 115 cols 606 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-23 03:58:23] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12878667920180937907.kers
Total runtime 2 ms.
[2026-05-23 03:58:23] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-23 03:58:23] [INFO ] Flow matrix only has 207 transitions (discarded 57 similar events)
[2026-05-23 03:58:23] [INFO ] Invariant cache hit.
[2026-05-23 03:58:23] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 03:58:23] [INFO ] Implicit Places using invariants and state equation in 116 ms returned [8, 42]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 167 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1542 places, 264/1973 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 112 transition count 263
Applied a total of 2 rules in 6 ms. Remains 112 /113 variables (removed 1) and now considering 263/264 (removed 1) transitions.
[2026-05-23 03:58:24] [INFO ] Flow matrix only has 206 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-14031691624352041467.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15063876944685451719.kers'
[2026-05-23 03:58:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14031691624352041467.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15063876944685451719.kers]
Normalized transition count is 205 out of 206 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 205 rows 112 cols 612 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-23 03:58:24] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15063876944685451719.kers
Total runtime 1 ms.
[2026-05-23 03:58:24] [INFO ] Implicit Places using invariants in 45 ms returned []
[2026-05-23 03:58:24] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
[2026-05-23 03:58:24] [INFO ] Invariant cache hit.
[2026-05-23 03:58:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 03:58:24] [INFO ] Implicit Places using invariants and state equation in 107 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 : 112/1542 places, 263/1973 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 429 ms. Remains : 112/1542 places, 263/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 90 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-02
Stuttering criterion allowed to conclude after 16 steps with 2 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-02 finished in 551 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((p0||X((F(p1) U p0)))) U p2) U p0))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1526 transition count 1956
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1526 transition count 1956
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 1526 transition count 1955
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 39 place count 1520 transition count 1948
Iterating global reduction 1 with 6 rules applied. Total rules applied 45 place count 1520 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 48 place count 1517 transition count 1945
Iterating global reduction 1 with 3 rules applied. Total rules applied 51 place count 1517 transition count 1945
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 52 place count 1516 transition count 1944
Iterating global reduction 1 with 1 rules applied. Total rules applied 53 place count 1516 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 54 place count 1515 transition count 1942
Iterating global reduction 1 with 1 rules applied. Total rules applied 55 place count 1515 transition count 1942
Applied a total of 55 rules in 349 ms. Remains 1515 /1542 variables (removed 27) and now considering 1942/1973 (removed 31) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4892138914463828111.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18054040566727890640.kers'
[2026-05-23 03:58:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4892138914463828111.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18054040566727890640.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1942 rows 1515 cols 4055 entries
Finished phase 1 with 1510 SingleSign rule and 1 generalized
[2026-05-23 03:58:24] [INFO ] Computed 4 invariants in 9 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-18054040566727890640.kers
Total runtime 13 ms.
[2026-05-23 03:58:24] [INFO ] Implicit Places using invariants in 238 ms returned []
[2026-05-23 03:58:24] [INFO ] Invariant cache hit.
[2026-05-23 03:58:25] [INFO ] Implicit Places using invariants and state equation in 868 ms returned []
Implicit Place search using SMT with State Equation took 1108 ms to find 0 implicit places.
Running 1941 sub problems to find dead transitions.
[2026-05-23 03:58:25] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1514 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1941 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1514/3457 variables, and 4 constraints, problems are : Problem set: 0 solved, 1941 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1515 constraints, PredecessorRefiner: 1941/1941 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1941 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1514 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1941 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1514/3457 variables, and 4 constraints, problems are : Problem set: 0 solved, 1941 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1515 constraints, PredecessorRefiner: 0/1941 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60474ms problems are : Problem set: 0 solved, 1941 unsolved
Search for dead transitions found 0 dead transitions in 60479ms
Starting structural reductions in LTL mode, iteration 1 : 1515/1542 places, 1942/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61945 ms. Remains : 1515/1542 places, 1942/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((p0||X((F(p1) U p0)))) U p2) U p0))'
Stuttering acceptance computed with spot in 186 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p2), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-03
Stuttering criterion allowed to conclude after 286 steps with 0 reset in 3 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-03 finished in 62183 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&&X(F((F(p1)&&X(X(G(p2)))))))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1526 transition count 1956
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1526 transition count 1956
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1526 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 40 place count 1520 transition count 1946
Iterating global reduction 1 with 6 rules applied. Total rules applied 46 place count 1520 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 1517 transition count 1943
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 1517 transition count 1943
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 54 place count 1515 transition count 1940
Iterating global reduction 1 with 2 rules applied. Total rules applied 56 place count 1515 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 58 place count 1513 transition count 1936
Iterating global reduction 1 with 2 rules applied. Total rules applied 60 place count 1513 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 61 place count 1512 transition count 1935
Iterating global reduction 1 with 1 rules applied. Total rules applied 62 place count 1512 transition count 1935
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 63 place count 1512 transition count 1934
Applied a total of 63 rules in 399 ms. Remains 1512 /1542 variables (removed 30) and now considering 1934/1973 (removed 39) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14621566850949404853.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11119147405107174028.kers'
[2026-05-23 03:59:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14621566850949404853.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11119147405107174028.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1934 rows 1512 cols 4039 entries
Finished phase 1 with 1507 SingleSign rule and 1 generalized
[2026-05-23 03:59:26] [INFO ] Computed 4 invariants in 14 ms
Computed 4 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-11119147405107174028.kers
Total runtime 15 ms.
[2026-05-23 03:59:27] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-05-23 03:59:27] [INFO ] Invariant cache hit.
[2026-05-23 03:59:27] [INFO ] Implicit Places using invariants and state equation in 865 ms returned []
Implicit Place search using SMT with State Equation took 1091 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2026-05-23 03:59:27] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
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 30040 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
Error getting values : (error "Timeout of Z3 solver reached")
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 30039 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 60485ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60488ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1542 places, 1934/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61982 ms. Remains : 1512/1542 places, 1934/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0&&X(F((F(p1)&&X(X(G(p2)))))))))'
Stuttering acceptance computed with spot in 734 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p2) (AND (NOT p0) p1 (NOT p2)) (AND (NOT p0) p1 p2) (AND p0 (NOT p1) (NOT p2)) (AND p0 (NOT p1) p2) (AND p0 p1 (NOT p2))), (OR (NOT p2) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-04
Stuttering criterion allowed to conclude after 51 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-04 finished in 62769 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(X(F((F(p2)&&p1))))))'
Support contains 4 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1526 transition count 1956
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1526 transition count 1956
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1526 transition count 1954
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 42 place count 1518 transition count 1944
Iterating global reduction 1 with 8 rules applied. Total rules applied 50 place count 1518 transition count 1944
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 54 place count 1514 transition count 1940
Iterating global reduction 1 with 4 rules applied. Total rules applied 58 place count 1514 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 60 place count 1512 transition count 1937
Iterating global reduction 1 with 2 rules applied. Total rules applied 62 place count 1512 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 64 place count 1510 transition count 1933
Iterating global reduction 1 with 2 rules applied. Total rules applied 66 place count 1510 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 67 place count 1509 transition count 1932
Iterating global reduction 1 with 1 rules applied. Total rules applied 68 place count 1509 transition count 1932
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 69 place count 1509 transition count 1931
Applied a total of 69 rules in 399 ms. Remains 1509 /1542 variables (removed 33) and now considering 1931/1973 (removed 42) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16277432349312569908.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18328897038575274016.kers'
[2026-05-23 04:00:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16277432349312569908.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18328897038575274016.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1931 rows 1509 cols 4033 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 04:00:29] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-18328897038575274016.kers
Total runtime 22 ms.
[2026-05-23 04:00:29] [INFO ] Implicit Places using invariants in 255 ms returned []
[2026-05-23 04:00:29] [INFO ] Invariant cache hit.
[2026-05-23 04:00:30] [INFO ] Implicit Places using invariants and state equation in 833 ms returned []
Implicit Place search using SMT with State Equation took 1090 ms to find 0 implicit places.
Running 1930 sub problems to find dead transitions.
[2026-05-23 04:00:30] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 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 30031 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
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 60411ms problems are : Problem set: 0 solved, 1930 unsolved
Search for dead transitions found 0 dead transitions in 60414ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1542 places, 1931/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61910 ms. Remains : 1509/1542 places, 1931/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X(X(F((F(p2)&&p1))))))'
Stuttering acceptance computed with spot in 252 ms :[(OR (NOT p1) (NOT p2)), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-05
Stuttering criterion allowed to conclude after 76 steps with 0 reset in 4 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-05 finished in 62212 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||(p1 U (p2||G(p1)))))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 1523 transition count 1953
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 1523 transition count 1953
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 40 place count 1523 transition count 1951
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 48 place count 1515 transition count 1941
Iterating global reduction 1 with 8 rules applied. Total rules applied 56 place count 1515 transition count 1941
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 60 place count 1511 transition count 1937
Iterating global reduction 1 with 4 rules applied. Total rules applied 64 place count 1511 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 66 place count 1509 transition count 1934
Iterating global reduction 1 with 2 rules applied. Total rules applied 68 place count 1509 transition count 1934
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 70 place count 1507 transition count 1930
Iterating global reduction 1 with 2 rules applied. Total rules applied 72 place count 1507 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 73 place count 1506 transition count 1929
Iterating global reduction 1 with 1 rules applied. Total rules applied 74 place count 1506 transition count 1929
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 75 place count 1506 transition count 1928
Applied a total of 75 rules in 394 ms. Remains 1506 /1542 variables (removed 36) and now considering 1928/1973 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8448139419338891694.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18004042681930338111.kers'
[2026-05-23 04:01:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8448139419338891694.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18004042681930338111.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 04:01:31] [INFO ] Computed 4 invariants in 10 ms
Computed 4 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-18004042681930338111.kers
Total runtime 15 ms.
[2026-05-23 04:01:32] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-05-23 04:01:32] [INFO ] Invariant cache hit.
[2026-05-23 04:01:32] [INFO ] Implicit Places using invariants and state equation in 846 ms returned []
Implicit Place search using SMT with State Equation took 1073 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2026-05-23 04:01:32] [INFO ] Invariant cache hit.
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 30036 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 30034 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 60393ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60395ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1542 places, 1928/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61875 ms. Remains : 1506/1542 places, 1928/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||(p1 U (p2||G(p1)))))))'
Stuttering acceptance computed with spot in 145 ms :[true, (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-06
Entered a terminal (fully accepting) state of product in 27784 steps with 272 reset in 53 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-06 finished in 62119 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1)&&X(X(F(!p1))))))'
Support contains 2 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1524 transition count 1954
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1524 transition count 1954
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 1524 transition count 1952
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 46 place count 1516 transition count 1942
Iterating global reduction 1 with 8 rules applied. Total rules applied 54 place count 1516 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 58 place count 1512 transition count 1938
Iterating global reduction 1 with 4 rules applied. Total rules applied 62 place count 1512 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 64 place count 1510 transition count 1935
Iterating global reduction 1 with 2 rules applied. Total rules applied 66 place count 1510 transition count 1935
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 68 place count 1508 transition count 1931
Iterating global reduction 1 with 2 rules applied. Total rules applied 70 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 71 place count 1507 transition count 1930
Iterating global reduction 1 with 1 rules applied. Total rules applied 72 place count 1507 transition count 1930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 73 place count 1507 transition count 1929
Applied a total of 73 rules in 405 ms. Remains 1507 /1542 variables (removed 35) and now considering 1929/1973 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4733972554189620963.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16961823256658969301.kers'
[2026-05-23 04:02:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4733972554189620963.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16961823256658969301.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1929 rows 1507 cols 4029 entries
Finished phase 1 with 1502 SingleSign rule and 1 generalized
[2026-05-23 04:02:33] [INFO ] Computed 4 invariants in 14 ms
Computed 4 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-16961823256658969301.kers
Total runtime 16 ms.
[2026-05-23 04:02:34] [INFO ] Implicit Places using invariants in 241 ms returned []
[2026-05-23 04:02:34] [INFO ] Invariant cache hit.
[2026-05-23 04:02:35] [INFO ] Implicit Places using invariants and state equation in 882 ms returned []
Implicit Place search using SMT with State Equation took 1125 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2026-05-23 04:02:35] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60405ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60408ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1542 places, 1929/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61950 ms. Remains : 1507/1542 places, 1929/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1)&&X(X(F(!p1))))))'
Stuttering acceptance computed with spot in 240 ms :[true, true, (NOT p0), (NOT p1), p1, p1]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-07
Stuttering criterion allowed to conclude after 53 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-07 finished in 62248 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&&X(p1)&&F(p2)&&(p3 U (p4||G(p3))))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1526 transition count 1956
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1526 transition count 1956
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1526 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 40 place count 1520 transition count 1946
Iterating global reduction 1 with 6 rules applied. Total rules applied 46 place count 1520 transition count 1946
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 50 place count 1516 transition count 1942
Iterating global reduction 1 with 4 rules applied. Total rules applied 54 place count 1516 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 56 place count 1514 transition count 1939
Iterating global reduction 1 with 2 rules applied. Total rules applied 58 place count 1514 transition count 1939
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 60 place count 1512 transition count 1935
Iterating global reduction 1 with 2 rules applied. Total rules applied 62 place count 1512 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 63 place count 1511 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 64 place count 1511 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 65 place count 1511 transition count 1933
Applied a total of 65 rules in 384 ms. Remains 1511 /1542 variables (removed 31) and now considering 1933/1973 (removed 40) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3457915486505222833.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17994329197926644369.kers'
[2026-05-23 04:03:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3457915486505222833.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17994329197926644369.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1933 rows 1511 cols 4037 entries
Finished phase 1 with 1506 SingleSign rule and 1 generalized
[2026-05-23 04:03:36] [INFO ] Computed 4 invariants in 17 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-17994329197926644369.kers
Total runtime 21 ms.
[2026-05-23 04:03:37] [INFO ] Implicit Places using invariants in 230 ms returned []
[2026-05-23 04:03:37] [INFO ] Invariant cache hit.
[2026-05-23 04:03:38] [INFO ] Implicit Places using invariants and state equation in 881 ms returned []
Implicit Place search using SMT with State Equation took 1116 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2026-05-23 04:03:38] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60408ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60412ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1542 places, 1933/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61920 ms. Remains : 1511/1542 places, 1933/1973 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&&X(p1)&&F(p2)&&(p3 U (p4||G(p3))))))'
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p2) (NOT p0) (NOT p1) (AND (NOT p3) (NOT p4))), (OR (NOT p2) (NOT p0) (NOT p1) (AND (NOT p3) (NOT p4))), true, (NOT p1), (NOT p2), (AND (NOT p4) (NOT p3))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-08 finished in 63004 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (p1&&(F(p1) U p2)))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1524 transition count 1954
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1524 transition count 1954
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 1524 transition count 1952
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 46 place count 1516 transition count 1942
Iterating global reduction 1 with 8 rules applied. Total rules applied 54 place count 1516 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 58 place count 1512 transition count 1938
Iterating global reduction 1 with 4 rules applied. Total rules applied 62 place count 1512 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 64 place count 1510 transition count 1935
Iterating global reduction 1 with 2 rules applied. Total rules applied 66 place count 1510 transition count 1935
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 68 place count 1508 transition count 1931
Iterating global reduction 1 with 2 rules applied. Total rules applied 70 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 71 place count 1507 transition count 1930
Iterating global reduction 1 with 1 rules applied. Total rules applied 72 place count 1507 transition count 1930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 73 place count 1507 transition count 1929
Applied a total of 73 rules in 423 ms. Remains 1507 /1542 variables (removed 35) and now considering 1929/1973 (removed 44) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5025818258184475111.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15759617788714833052.kers'
[2026-05-23 04:04:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5025818258184475111.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15759617788714833052.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1929 rows 1507 cols 4029 entries
Finished phase 1 with 1502 SingleSign rule and 1 generalized
[2026-05-23 04:04:39] [INFO ] Computed 4 invariants in 14 ms
Computed 4 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-15759617788714833052.kers
Total runtime 18 ms.
[2026-05-23 04:04:39] [INFO ] Implicit Places using invariants in 243 ms returned []
[2026-05-23 04:04:39] [INFO ] Invariant cache hit.
[2026-05-23 04:04:40] [INFO ] Implicit Places using invariants and state equation in 923 ms returned []
Implicit Place search using SMT with State Equation took 1168 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2026-05-23 04:04:40] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60465ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60468ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1542 places, 1929/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62069 ms. Remains : 1507/1542 places, 1929/1973 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (p1&&(F(p1) U p2)))))'
Stuttering acceptance computed with spot in 241 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p0), (NOT p2), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-09
Product exploration explored 100000 steps with 1014 reset in 145 ms.
Product exploration explored 100000 steps with 1001 reset in 173 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2106 edges and 1507 vertex of which 1498 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.11 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge based reduction with 14 factoid took 55 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 6 states, 11 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (402 resets) in 146 ms. (272 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40002 steps (139 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (146 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
[2026-05-23 04:05:41] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1079/1081 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1081 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 415/1496 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1919/3415 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3415 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/3417 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3417 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/3419 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3419 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/3421 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3421 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/3423 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3423 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/3425 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3425 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/3427 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 2/3435 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3435 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 1/3436 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3436 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (OVERLAPS) 0/3436 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3436/3436 variables, and 1511 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3302 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1079/1081 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1081 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 415/1496 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1919/3415 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3415 variables, 2/1502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3415 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/3417 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3417 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/3419 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3419 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/3421 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3421 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/3423 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3423 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/3425 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3425 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/3427 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3427 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 2/3429 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3429 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 2/3431 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3431 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 2/3433 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3433 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 2/3435 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3435 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 1/3436 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3436 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 30 (OVERLAPS) 0/3436 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3436/3436 variables, and 1513 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3540 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6848ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 146 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=73 )
Parikh walk visited 2 properties in 9 ms.
Negative knowledge disproves property using: (G (OR p0 p1))
Knowledge based reduction with 14 factoid took 49 ms. Proved property starting from automaton with 6 states, 11 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 7152 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-09 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-09 finished in 69828 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((F((p0||G(p1)))&&X(G(p2)))))'
Support contains 2 out of 1542 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Graph (trivial) has 1879 edges and 1542 vertex of which 700 / 1542 are part of one of the 63 SCC in 3 ms
Free SCC test removed 637 places
Ensure Unique test removed 740 transitions
Reduce isomorphic transitions removed 740 transitions.
Graph (complete) has 1405 edges and 905 vertex of which 896 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 488 transitions
Trivial Post-agglo rules discarded 488 transitions
Performed 488 trivial Post agglomeration. Transition count delta: 488
Iterating post reduction 0 with 488 rules applied. Total rules applied 490 place count 895 transition count 739
Reduce places removed 488 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 512 rules applied. Total rules applied 1002 place count 407 transition count 715
Reduce places removed 12 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 15 rules applied. Total rules applied 1017 place count 395 transition count 712
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1020 place count 392 transition count 712
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1020 place count 392 transition count 666
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1112 place count 346 transition count 666
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1130 place count 328 transition count 638
Iterating global reduction 4 with 18 rules applied. Total rules applied 1148 place count 328 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 1150 place count 328 transition count 636
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1152 place count 326 transition count 636
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 1152 place count 326 transition count 634
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1156 place count 324 transition count 634
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1166 place count 314 transition count 620
Iterating global reduction 6 with 10 rules applied. Total rules applied 1176 place count 314 transition count 620
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1181 place count 314 transition count 615
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1183 place count 312 transition count 611
Iterating global reduction 7 with 2 rules applied. Total rules applied 1185 place count 312 transition count 611
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1187 place count 310 transition count 607
Iterating global reduction 7 with 2 rules applied. Total rules applied 1189 place count 310 transition count 607
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1191 place count 308 transition count 603
Iterating global reduction 7 with 2 rules applied. Total rules applied 1193 place count 308 transition count 603
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1195 place count 306 transition count 599
Iterating global reduction 7 with 2 rules applied. Total rules applied 1197 place count 306 transition count 599
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1198 place count 305 transition count 597
Iterating global reduction 7 with 1 rules applied. Total rules applied 1199 place count 305 transition count 597
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1200 place count 304 transition count 590
Iterating global reduction 7 with 1 rules applied. Total rules applied 1201 place count 304 transition count 590
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 1487 place count 161 transition count 366
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 16 rules applied. Total rules applied 1503 place count 161 transition count 350
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1508 place count 156 transition count 340
Iterating global reduction 8 with 5 rules applied. Total rules applied 1513 place count 156 transition count 340
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 1 rules applied. Total rules applied 1514 place count 156 transition count 339
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 1516 place count 155 transition count 338
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1517 place count 154 transition count 337
Iterating global reduction 10 with 1 rules applied. Total rules applied 1518 place count 154 transition count 337
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1519 place count 154 transition count 336
Performed 10 Post agglomeration using F-continuation condition with reduction of 1 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 1539 place count 144 transition count 325
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 1550 place count 144 transition count 314
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 12 with 2 rules applied. Total rules applied 1552 place count 143 transition count 313
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1554 place count 143 transition count 311
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 13 with 34 rules applied. Total rules applied 1588 place count 126 transition count 345
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 13 with 17 rules applied. Total rules applied 1605 place count 126 transition count 328
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1614 place count 117 transition count 310
Iterating global reduction 14 with 9 rules applied. Total rules applied 1623 place count 117 transition count 310
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1628 place count 117 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 15 with 36 rules applied. Total rules applied 1664 place count 117 transition count 269
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1665 place count 117 transition count 269
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1666 place count 117 transition count 268
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1667 place count 116 transition count 267
Applied a total of 1667 rules in 89 ms. Remains 116 /1542 variables (removed 1426) and now considering 267/1973 (removed 1706) transitions.
[2026-05-23 04:05:48] [INFO ] Flow matrix only has 210 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-9367235731511675467.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16145708931461911601.kers'
[2026-05-23 04:05:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9367235731511675467.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16145708931461911601.kers]
Normalized transition count is 209 out of 210 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 209 rows 116 cols 612 entries
Finished phase 1 with 116 SingleSign rule and 0 generalized
[2026-05-23 04:05:48] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16145708931461911601.kers
Total runtime 1 ms.
[2026-05-23 04:05:48] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-23 04:05:48] [INFO ] Flow matrix only has 210 transitions (discarded 57 similar events)
[2026-05-23 04:05:48] [INFO ] Invariant cache hit.
[2026-05-23 04:05:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 04:05:48] [INFO ] Implicit Places using invariants and state equation in 106 ms returned [8, 43]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 148 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/1542 places, 267/1973 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 112 transition count 265
Applied a total of 4 rules in 4 ms. Remains 112 /114 variables (removed 2) and now considering 265/267 (removed 2) transitions.
[2026-05-23 04:05:48] [INFO ] Flow matrix only has 208 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-10875571904441773963.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9768626975238899618.kers'
[2026-05-23 04:05:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10875571904441773963.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9768626975238899618.kers]
Normalized transition count is 207 out of 208 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 207 rows 112 cols 628 entries
Finished phase 1 with 112 SingleSign rule and 0 generalized
[2026-05-23 04:05:48] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9768626975238899618.kers
Total runtime 0 ms.
[2026-05-23 04:05:48] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-23 04:05:48] [INFO ] Flow matrix only has 208 transitions (discarded 57 similar events)
[2026-05-23 04:05:48] [INFO ] Invariant cache hit.
[2026-05-23 04:05:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 04:05:49] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 112/1542 places, 265/1973 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 375 ms. Remains : 112/1542 places, 265/1973 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((F((p0||G(p1)))&&X(G(p2)))))'
Stuttering acceptance computed with spot in 92 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-11
Stuttering criterion allowed to conclude after 14 steps with 3 reset in 1 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-11 finished in 500 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(F(p0)))&&F((p1 U (p2||G(p1)))))))'
Support contains 3 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1524 transition count 1955
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1524 transition count 1955
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 38 place count 1524 transition count 1953
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 45 place count 1517 transition count 1945
Iterating global reduction 1 with 7 rules applied. Total rules applied 52 place count 1517 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 55 place count 1514 transition count 1942
Iterating global reduction 1 with 3 rules applied. Total rules applied 58 place count 1514 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 60 place count 1512 transition count 1939
Iterating global reduction 1 with 2 rules applied. Total rules applied 62 place count 1512 transition count 1939
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 64 place count 1510 transition count 1935
Iterating global reduction 1 with 2 rules applied. Total rules applied 66 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 67 place count 1509 transition count 1934
Iterating global reduction 1 with 1 rules applied. Total rules applied 68 place count 1509 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 69 place count 1509 transition count 1933
Applied a total of 69 rules in 395 ms. Remains 1509 /1542 variables (removed 33) and now considering 1933/1973 (removed 40) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14096564219813738042.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5319604551461740489.kers'
[2026-05-23 04:05:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14096564219813738042.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5319604551461740489.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1933 rows 1509 cols 4037 entries
Finished phase 1 with 1504 SingleSign rule and 1 generalized
[2026-05-23 04:05:49] [INFO ] Computed 4 invariants in 15 ms
Computed 4 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-5319604551461740489.kers
Total runtime 19 ms.
[2026-05-23 04:05:49] [INFO ] Implicit Places using invariants in 224 ms returned []
[2026-05-23 04:05:49] [INFO ] Invariant cache hit.
[2026-05-23 04:05:50] [INFO ] Implicit Places using invariants and state equation in 845 ms returned []
Implicit Place search using SMT with State Equation took 1070 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2026-05-23 04:05:50] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30048 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60418ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60422ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1542 places, 1933/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61893 ms. Remains : 1509/1542 places, 1933/1973 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(F(p0)))&&F((p1 U (p2||G(p1)))))))'
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-13
Stuttering criterion allowed to conclude after 53 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-13 finished in 62128 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)&&(G(p1)||(X(p2) U ((p3&&X(p2))||X(G(p2)))))))'
Support contains 4 out of 1542 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 1523 transition count 1953
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 1523 transition count 1953
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 40 place count 1523 transition count 1951
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 48 place count 1515 transition count 1941
Iterating global reduction 1 with 8 rules applied. Total rules applied 56 place count 1515 transition count 1941
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 60 place count 1511 transition count 1937
Iterating global reduction 1 with 4 rules applied. Total rules applied 64 place count 1511 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 66 place count 1509 transition count 1934
Iterating global reduction 1 with 2 rules applied. Total rules applied 68 place count 1509 transition count 1934
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 70 place count 1507 transition count 1930
Iterating global reduction 1 with 2 rules applied. Total rules applied 72 place count 1507 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 73 place count 1506 transition count 1929
Iterating global reduction 1 with 1 rules applied. Total rules applied 74 place count 1506 transition count 1929
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 75 place count 1506 transition count 1928
Applied a total of 75 rules in 392 ms. Remains 1506 /1542 variables (removed 36) and now considering 1928/1973 (removed 45) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7960350000073947282.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3073186349890030849.kers'
[2026-05-23 04:06:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7960350000073947282.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3073186349890030849.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 04:06:51] [INFO ] Computed 4 invariants in 8 ms
Computed 4 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-3073186349890030849.kers
Total runtime 12 ms.
[2026-05-23 04:06:51] [INFO ] Implicit Places using invariants in 218 ms returned []
[2026-05-23 04:06:51] [INFO ] Invariant cache hit.
[2026-05-23 04:06:52] [INFO ] Implicit Places using invariants and state equation in 854 ms returned []
Implicit Place search using SMT with State Equation took 1084 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2026-05-23 04:06:52] [INFO ] Invariant cache hit.
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 30044 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 30035 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 60399ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60402ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1542 places, 1928/1973 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61883 ms. Remains : 1506/1542 places, 1928/1973 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)&&(G(p1)||(X(p2) U ((p3&&X(p2))||X(G(p2)))))))'
Stuttering acceptance computed with spot in 271 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-14 finished in 62199 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 1542 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1542/1542 places, 1973/1973 transitions.
Graph (trivial) has 1884 edges and 1542 vertex of which 700 / 1542 are part of one of the 63 SCC in 1 ms
Free SCC test removed 637 places
Ensure Unique test removed 740 transitions
Reduce isomorphic transitions removed 740 transitions.
Graph (complete) has 1405 edges and 905 vertex of which 896 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 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 895 transition count 736
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 404 transition count 712
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1020 place count 392 transition count 712
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 392 transition count 666
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 346 transition count 666
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1129 place count 329 transition count 639
Iterating global reduction 3 with 17 rules applied. Total rules applied 1146 place count 329 transition count 639
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 329 transition count 637
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1150 place count 327 transition count 637
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1150 place count 327 transition count 636
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1152 place count 326 transition count 636
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1162 place count 316 transition count 622
Iterating global reduction 5 with 10 rules applied. Total rules applied 1172 place count 316 transition count 622
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 1177 place count 316 transition count 617
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1179 place count 314 transition count 613
Iterating global reduction 6 with 2 rules applied. Total rules applied 1181 place count 314 transition count 613
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1183 place count 312 transition count 609
Iterating global reduction 6 with 2 rules applied. Total rules applied 1185 place count 312 transition count 609
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1187 place count 310 transition count 605
Iterating global reduction 6 with 2 rules applied. Total rules applied 1189 place count 310 transition count 605
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1191 place count 308 transition count 601
Iterating global reduction 6 with 2 rules applied. Total rules applied 1193 place count 308 transition count 601
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1194 place count 307 transition count 599
Iterating global reduction 6 with 1 rules applied. Total rules applied 1195 place count 307 transition count 599
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1196 place count 306 transition count 592
Iterating global reduction 6 with 1 rules applied. Total rules applied 1197 place count 306 transition count 592
Performed 147 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 147 places in 0 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 6 with 294 rules applied. Total rules applied 1491 place count 159 transition count 358
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 6 with 15 rules applied. Total rules applied 1506 place count 159 transition count 343
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 1511 place count 154 transition count 333
Iterating global reduction 7 with 5 rules applied. Total rules applied 1516 place count 154 transition count 333
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 1517 place count 154 transition count 332
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1519 place count 153 transition count 331
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1520 place count 152 transition count 330
Iterating global reduction 9 with 1 rules applied. Total rules applied 1521 place count 152 transition count 330
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1522 place count 152 transition count 329
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 1544 place count 141 transition count 316
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1555 place count 141 transition count 305
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -26
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 1589 place count 124 transition count 331
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 11 with 16 rules applied. Total rules applied 1605 place count 124 transition count 315
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 1614 place count 115 transition count 297
Iterating global reduction 12 with 9 rules applied. Total rules applied 1623 place count 115 transition count 297
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1629 place count 115 transition count 291
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 13 with 31 rules applied. Total rules applied 1660 place count 115 transition count 260
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1661 place count 114 transition count 259
Applied a total of 1661 rules in 71 ms. Remains 114 /1542 variables (removed 1428) and now considering 259/1973 (removed 1714) transitions.
[2026-05-23 04:07:53] [INFO ] Flow matrix only has 202 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-9790775583032608710.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12730741184478446262.kers'
[2026-05-23 04:07:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9790775583032608710.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12730741184478446262.kers]
Normalized transition count is 201 out of 202 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 201 rows 114 cols 590 entries
Finished phase 1 with 114 SingleSign rule and 0 generalized
[2026-05-23 04:07:53] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12730741184478446262.kers
Total runtime 1 ms.
[2026-05-23 04:07:53] [INFO ] Implicit Places using invariants in 48 ms returned []
[2026-05-23 04:07:53] [INFO ] Flow matrix only has 202 transitions (discarded 57 similar events)
[2026-05-23 04:07:53] [INFO ] Invariant cache hit.
[2026-05-23 04:07:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 04:07:53] [INFO ] Implicit Places using invariants and state equation in 104 ms returned [8, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 154 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1542 places, 259/1973 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 257
Applied a total of 4 rules in 7 ms. Remains 110 /112 variables (removed 2) and now considering 257/259 (removed 2) transitions.
[2026-05-23 04:07:53] [INFO ] Flow matrix only has 200 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-466546326754271200.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16651088635879537816.kers'
[2026-05-23 04:07:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-466546326754271200.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16651088635879537816.kers]
Normalized transition count is 199 out of 200 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 199 rows 110 cols 606 entries
Finished phase 1 with 110 SingleSign rule and 0 generalized
[2026-05-23 04:07:53] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16651088635879537816.kers
Total runtime 0 ms.
[2026-05-23 04:07:53] [INFO ] Implicit Places using invariants in 138 ms returned []
[2026-05-23 04:07:53] [INFO ] Flow matrix only has 200 transitions (discarded 57 similar events)
[2026-05-23 04:07:53] [INFO ] Invariant cache hit.
[2026-05-23 04:07:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 04:07:53] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1542 places, 257/1973 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 476 ms. Remains : 110/1542 places, 257/1973 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 91 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-15
Stuttering criterion allowed to conclude after 2600 steps with 342 reset in 7 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-15 finished in 601 ms.
All properties solved by simple procedures.
Total runtime 731472 ms.
BK_STOP 1779509274114
--------------------
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-311"
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-311, 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-177946967600196"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-311.tgz
mv CloudReconfiguration-PT-311 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 ;