Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028200332.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-317, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028200332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 661K May 29 14:32 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-317-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-317-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748598055284

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-317
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 09:40:56] [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]
[2025-05-30 09:40:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 09:40:56] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2025-05-30 09:40:56] [INFO ] Transformed 2587 places.
[2025-05-30 09:40:56] [INFO ] Transformed 3099 transitions.
[2025-05-30 09:40:56] [INFO ] Found NUPN structural information;
[2025-05-30 09:40:56] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 254 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA CloudReconfiguration-PT-317-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-317-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 2587 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Discarding 517 places :
Symmetric choice reduction at 0 with 517 rule applications. Total rules 517 place count 2070 transition count 2582
Iterating global reduction 0 with 517 rules applied. Total rules applied 1034 place count 2070 transition count 2582
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 1062 place count 2070 transition count 2554
Discarding 236 places :
Symmetric choice reduction at 1 with 236 rule applications. Total rules 1298 place count 1834 transition count 2318
Iterating global reduction 1 with 236 rules applied. Total rules applied 1534 place count 1834 transition count 2318
Discarding 89 places :
Symmetric choice reduction at 1 with 89 rule applications. Total rules 1623 place count 1745 transition count 2229
Iterating global reduction 1 with 89 rules applied. Total rules applied 1712 place count 1745 transition count 2229
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 1728 place count 1745 transition count 2213
Discarding 49 places :
Symmetric choice reduction at 2 with 49 rule applications. Total rules 1777 place count 1696 transition count 2164
Iterating global reduction 2 with 49 rules applied. Total rules applied 1826 place count 1696 transition count 2164
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1834 place count 1696 transition count 2156
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 1872 place count 1658 transition count 2114
Iterating global reduction 3 with 38 rules applied. Total rules applied 1910 place count 1658 transition count 2114
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 1937 place count 1631 transition count 2087
Iterating global reduction 3 with 27 rules applied. Total rules applied 1964 place count 1631 transition count 2087
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 1990 place count 1605 transition count 2061
Iterating global reduction 3 with 26 rules applied. Total rules applied 2016 place count 1605 transition count 2061
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 2042 place count 1579 transition count 2035
Iterating global reduction 3 with 26 rules applied. Total rules applied 2068 place count 1579 transition count 2035
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 2090 place count 1557 transition count 1999
Iterating global reduction 3 with 22 rules applied. Total rules applied 2112 place count 1557 transition count 1999
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 2120 place count 1549 transition count 1986
Iterating global reduction 3 with 8 rules applied. Total rules applied 2128 place count 1549 transition count 1986
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 2136 place count 1541 transition count 1976
Iterating global reduction 3 with 8 rules applied. Total rules applied 2144 place count 1541 transition count 1976
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 2147 place count 1541 transition count 1973
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2149 place count 1539 transition count 1971
Iterating global reduction 4 with 2 rules applied. Total rules applied 2151 place count 1539 transition count 1971
Applied a total of 2151 rules in 1527 ms. Remains 1539 /2587 variables (removed 1048) and now considering 1971/3099 (removed 1128) transitions.
// Phase 1: matrix 1971 rows 1539 cols
[2025-05-30 09:40:58] [INFO ] Computed 4 invariants in 36 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:40:59] [INFO ] Implicit Places using invariants in 468 ms returned []
[2025-05-30 09:40:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:41:00] [INFO ] Implicit Places using invariants and state equation in 1013 ms returned []
Implicit Place search using SMT with State Equation took 1516 ms to find 0 implicit places.
Running 1970 sub problems to find dead transitions.
[2025-05-30 09:41:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1538 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1970 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1538/3510 variables, and 4 constraints, problems are : Problem set: 0 solved, 1970 unsolved in 30056 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1539 constraints, PredecessorRefiner: 1970/1970 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1970 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1538 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1970 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1538/3510 variables, and 4 constraints, problems are : Problem set: 0 solved, 1970 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1539 constraints, PredecessorRefiner: 0/1970 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60661ms problems are : Problem set: 0 solved, 1970 unsolved
Search for dead transitions found 0 dead transitions in 60711ms
Starting structural reductions in LTL mode, iteration 1 : 1539/2587 places, 1971/3099 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63792 ms. Remains : 1539/2587 places, 1971/3099 transitions.
Support contains 28 out of 1539 places after structural reductions.
[2025-05-30 09:42:01] [INFO ] Flatten gal took : 118 ms
[2025-05-30 09:42:01] [INFO ] Flatten gal took : 67 ms
[2025-05-30 09:42:01] [INFO ] Input system was already deterministic with 1971 transitions.
RANDOM walk for 40000 steps (430 resets) in 1076 ms. (37 steps per ms) remains 21/28 properties
BEST_FIRST walk for 4002 steps (18 resets) in 34 ms. (114 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (20 resets) in 26 ms. (148 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (12 resets) in 30 ms. (129 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (12 resets) in 30 ms. (129 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (15 resets) in 31 ms. (125 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (12 resets) in 27 ms. (143 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (14 resets) in 24 ms. (160 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4000 steps (14 resets) in 17 ms. (222 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (15 resets) in 18 ms. (210 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (17 resets) in 25 ms. (153 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (16 resets) in 26 ms. (148 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (18 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (17 resets) in 18 ms. (210 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (13 resets) in 19 ms. (200 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (14 resets) in 21 ms. (181 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (17 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (18 resets) in 19 ms. (200 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (14 resets) in 21 ms. (181 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (19 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (17 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
[2025-05-30 09:42:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 1506/1528 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1528 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 1961/3489 variables, 1528/1532 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3489 variables, 0/1532 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 2/3491 variables, 1/1533 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3491 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 2/3493 variables, 1/1534 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3493 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (OVERLAPS) 2/3495 variables, 1/1535 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3495 variables, 0/1535 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (OVERLAPS) 2/3497 variables, 1/1536 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3497/3510 variables, and 1536 constraints, problems are : Problem set: 0 solved, 21 unsolved in 5012 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1532/1539 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 1506/1528 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1528 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 1961/3489 variables, 1528/1532 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3489 variables, 21/1553 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3489 variables, 0/1553 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/3491 variables, 1/1554 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3491/3510 variables, and 1554 constraints, problems are : Problem set: 0 solved, 21 unsolved in 5010 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1529/1539 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10039ms problems are : Problem set: 0 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 22 out of 1539 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Graph (trivial) has 1835 edges and 1539 vertex of which 678 / 1539 are part of one of the 63 SCC in 7 ms
Free SCC test removed 615 places
Drop transitions (Empty/Sink Transition effects.) removed 774 transitions
Reduce isomorphic transitions removed 774 transitions.
Graph (complete) has 1379 edges and 924 vertex of which 915 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 486 transitions
Trivial Post-agglo rules discarded 486 transitions
Performed 486 trivial Post agglomeration. Transition count delta: 486
Iterating post reduction 0 with 493 rules applied. Total rules applied 495 place count 915 transition count 700
Reduce places removed 486 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 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 537 rules applied. Total rules applied 1032 place count 429 transition count 649
Reduce places removed 33 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 38 rules applied. Total rules applied 1070 place count 396 transition count 644
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 1076 place count 391 transition count 643
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 49 Pre rules applied. Total rules applied 1076 place count 391 transition count 594
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 4 with 98 rules applied. Total rules applied 1174 place count 342 transition count 594
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1184 place count 332 transition count 581
Iterating global reduction 4 with 10 rules applied. Total rules applied 1194 place count 332 transition count 581
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 1196 place count 332 transition count 579
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1198 place count 330 transition count 579
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 1204 place count 324 transition count 573
Iterating global reduction 6 with 6 rules applied. Total rules applied 1210 place count 324 transition count 573
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1216 place count 324 transition count 567
Performed 156 Post agglomeration using F-continuation condition with reduction of 93 identical transitions.
Deduced a syphon composed of 156 places in 0 ms
Reduce places removed 156 places and 0 transitions.
Iterating global reduction 7 with 312 rules applied. Total rules applied 1528 place count 168 transition count 318
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 1547 place count 168 transition count 299
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1549 place count 166 transition count 297
Iterating global reduction 8 with 2 rules applied. Total rules applied 1551 place count 166 transition count 297
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 8 with 20 rules applied. Total rules applied 1571 place count 156 transition count 285
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 8 with 12 rules applied. Total rules applied 1583 place count 156 transition count 273
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 1585 place count 155 transition count 272
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1587 place count 155 transition count 270
Performed 34 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 10 with 68 rules applied. Total rules applied 1655 place count 121 transition count 309
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 10 with 25 rules applied. Total rules applied 1680 place count 121 transition count 284
Discarding 20 places :
Symmetric choice reduction at 11 with 20 rule applications. Total rules 1700 place count 101 transition count 244
Iterating global reduction 11 with 20 rules applied. Total rules applied 1720 place count 101 transition count 244
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 11 with 10 rules applied. Total rules applied 1730 place count 101 transition count 234
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1732 place count 99 transition count 230
Iterating global reduction 12 with 2 rules applied. Total rules applied 1734 place count 99 transition count 230
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1736 place count 99 transition count 228
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1738 place count 98 transition count 247
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 13 with 22 rules applied. Total rules applied 1760 place count 98 transition count 225
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1762 place count 96 transition count 223
Iterating global reduction 13 with 2 rules applied. Total rules applied 1764 place count 96 transition count 223
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1765 place count 96 transition count 222
Free-agglomeration rule applied 4 times.
Iterating global reduction 13 with 4 rules applied. Total rules applied 1769 place count 96 transition count 218
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 1774 place count 92 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1775 place count 92 transition count 216
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 14 with 3 rules applied. Total rules applied 1778 place count 92 transition count 216
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1779 place count 92 transition count 216
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1780 place count 91 transition count 215
Applied a total of 1780 rules in 166 ms. Remains 91 /1539 variables (removed 1448) and now considering 215/1971 (removed 1756) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 91/1539 places, 215/1971 transitions.
RANDOM walk for 40000 steps (415 resets) in 901 ms. (44 steps per ms) remains 1/21 properties
BEST_FIRST walk for 40002 steps (113 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
[2025-05-30 09:42:12] [INFO ] Flow matrix only has 204 transitions (discarded 11 similar events)
// Phase 1: matrix 204 rows 91 cols
[2025-05-30 09:42:12] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 09:42:12] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 138/191 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 48/239 variables, 10/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 11/250 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/250 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 38/288 variables, 22/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/288 variables, 3/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/288 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/293 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/293 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/293 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/295 variables, 4/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/295 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/295 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 295/295 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 91/91 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/53 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 138/191 variables, 53/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 48/239 variables, 10/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 11/250 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/250 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/250 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 38/288 variables, 22/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/288 variables, 3/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/288 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 5/293 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/293 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/293 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/295 variables, 4/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/295 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/295 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 295/295 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 91/91 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 269ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 2 out of 91 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 91/91 places, 215/215 transitions.
Graph (trivial) has 66 edges and 91 vertex of which 14 / 91 are part of one of the 7 SCC in 0 ms
Free SCC test removed 7 places
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 84 transition count 191
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 24 place count 74 transition count 188
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 24 place count 74 transition count 184
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 32 place count 70 transition count 184
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 34 place count 68 transition count 182
Iterating global reduction 2 with 2 rules applied. Total rules applied 36 place count 68 transition count 182
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t1445.t1446.t1447.t1448.t1449.t1450.t1451.t1452.t1453.t1944.t1691.t1692.t1693.t1788.t1789.t1790.t1791.t980 and 1 places that fell out of Prefix Of Interest.
Iterating global reduction 2 with 14 rules applied. Total rules applied 50 place count 53 transition count 166
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t1445.t1446.t1447.t1448.t1449.t1450.t1451.t1452.t1453.t1912.t913.t1691.t1692.t1693.t1788.t1789.t1790.t1791 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 24 transitions.
Graph (trivial) has 94 edges and 52 vertex of which 39 / 52 are part of one of the 9 SCC in 0 ms
Free SCC test removed 30 places
Iterating post reduction 2 with 26 rules applied. Total rules applied 76 place count 22 transition count 141
Drop transitions (Empty/Sink Transition effects.) removed 78 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 105 transitions.
Iterating post reduction 3 with 105 rules applied. Total rules applied 181 place count 22 transition count 36
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 184 place count 19 transition count 33
Iterating global reduction 4 with 3 rules applied. Total rules applied 187 place count 19 transition count 33
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 193 place count 16 transition count 30
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 204 place count 16 transition count 19
Free-agglomeration rule applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 205 place count 16 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 206 place count 15 transition count 18
Applied a total of 206 rules in 10 ms. Remains 15 /91 variables (removed 76) and now considering 18/215 (removed 197) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 15/91 places, 18/215 transitions.
RANDOM walk for 268 steps (30 resets) in 5 ms. (44 steps per ms) remains 0/1 properties
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2158 edges and 1539 vertex of which 1530 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.25 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((G(F(p0)) U (p0 U p1))&&X(p2))))'
Support contains 3 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1525 transition count 1954
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 36 place count 1520 transition count 1948
Iterating global reduction 1 with 5 rules applied. Total rules applied 41 place count 1520 transition count 1948
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 42 place count 1520 transition count 1947
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 45 place count 1517 transition count 1943
Iterating global reduction 2 with 3 rules applied. Total rules applied 48 place count 1517 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 49 place count 1516 transition count 1942
Iterating global reduction 2 with 1 rules applied. Total rules applied 50 place count 1516 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 1515 transition count 1941
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 1513 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1936
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1936
Applied a total of 58 rules in 650 ms. Remains 1512 /1539 variables (removed 27) and now considering 1936/1971 (removed 35) transitions.
// Phase 1: matrix 1936 rows 1512 cols
[2025-05-30 09:42:13] [INFO ] Computed 4 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:42:13] [INFO ] Implicit Places using invariants in 246 ms returned []
[2025-05-30 09:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:42:14] [INFO ] Implicit Places using invariants and state equation in 965 ms returned []
Implicit Place search using SMT with State Equation took 1214 ms to find 0 implicit places.
Running 1935 sub problems to find dead transitions.
[2025-05-30 09:42:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
(s437 0.0timeout
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
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 30040 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 Int declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30041 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 60494ms problems are : Problem set: 0 solved, 1935 unsolved
Search for dead transitions found 0 dead transitions in 60499ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1539 places, 1936/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62374 ms. Remains : 1512/1539 places, 1936/1971 transitions.
Stuttering acceptance computed with spot in 530 ms :[(OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND p1 (NOT p0) (NOT p2)), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-00
Stuttering criterion allowed to conclude after 76 steps with 0 reset in 15 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-00 finished in 62992 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&X((p0 U (p1||G(p0)))))))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 30 place count 1525 transition count 1955
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 36 place count 1519 transition count 1948
Iterating global reduction 1 with 6 rules applied. Total rules applied 42 place count 1519 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 45 place count 1516 transition count 1944
Iterating global reduction 1 with 3 rules applied. Total rules applied 48 place count 1516 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 1515 transition count 1943
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 1515 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 1514 transition count 1942
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 1514 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 1513 transition count 1940
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 55 place count 1512 transition count 1938
Iterating global reduction 1 with 1 rules applied. Total rules applied 56 place count 1512 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 57 place count 1511 transition count 1937
Iterating global reduction 1 with 1 rules applied. Total rules applied 58 place count 1511 transition count 1937
Applied a total of 58 rules in 574 ms. Remains 1511 /1539 variables (removed 28) and now considering 1937/1971 (removed 34) transitions.
// Phase 1: matrix 1937 rows 1511 cols
[2025-05-30 09:43:16] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:43:16] [INFO ] Implicit Places using invariants in 231 ms returned []
[2025-05-30 09:43:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:43:17] [INFO ] Implicit Places using invariants and state equation in 926 ms returned []
Implicit Place search using SMT with State Equation took 1159 ms to find 0 implicit places.
Running 1936 sub problems to find dead transitions.
[2025-05-30 09:43:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
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(s523 0.0)
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(s529 0.0)
(s530 0.0)
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(s540 0.0)
timeout
(s541 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1936 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1936/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1936 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1936 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
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0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60472ms problems are : Problem set: 0 solved, 1936 unsolved
Search for dead transitions found 0 dead transitions in 60477ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1539 places, 1937/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62219 ms. Remains : 1511/1539 places, 1937/1971 transitions.
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-02 finished in 62381 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Graph (trivial) has 1874 edges and 1539 vertex of which 698 / 1539 are part of one of the 64 SCC in 4 ms
Free SCC test removed 634 places
Ensure Unique test removed 736 transitions
Reduce isomorphic transitions removed 736 transitions.
Graph (complete) has 1416 edges and 905 vertex of which 896 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 484 transitions
Trivial Post-agglo rules discarded 484 transitions
Performed 484 trivial Post agglomeration. Transition count delta: 484
Iterating post reduction 0 with 484 rules applied. Total rules applied 486 place count 895 transition count 745
Reduce places removed 484 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 511 rules applied. Total rules applied 997 place count 411 transition count 718
Reduce places removed 13 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 14 rules applied. Total rules applied 1011 place count 398 transition count 717
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1012 place count 397 transition count 717
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1012 place count 397 transition count 671
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1104 place count 351 transition count 671
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1122 place count 333 transition count 644
Iterating global reduction 4 with 18 rules applied. Total rules applied 1140 place count 333 transition count 644
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 1142 place count 333 transition count 642
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1144 place count 331 transition count 642
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1144 place count 331 transition count 641
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1146 place count 330 transition count 641
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 1159 place count 317 transition count 624
Iterating global reduction 6 with 13 rules applied. Total rules applied 1172 place count 317 transition count 624
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1178 place count 317 transition count 618
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1181 place count 314 transition count 612
Iterating global reduction 7 with 3 rules applied. Total rules applied 1184 place count 314 transition count 612
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1187 place count 311 transition count 606
Iterating global reduction 7 with 3 rules applied. Total rules applied 1190 place count 311 transition count 606
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 1191 place count 311 transition count 605
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1192 place count 310 transition count 605
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1194 place count 308 transition count 601
Iterating global reduction 9 with 2 rules applied. Total rules applied 1196 place count 308 transition count 601
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1198 place count 306 transition count 597
Iterating global reduction 9 with 2 rules applied. Total rules applied 1200 place count 306 transition count 597
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1202 place count 304 transition count 593
Iterating global reduction 9 with 2 rules applied. Total rules applied 1204 place count 304 transition count 593
Performed 142 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 9 with 284 rules applied. Total rules applied 1488 place count 162 transition count 368
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 9 with 14 rules applied. Total rules applied 1502 place count 162 transition count 354
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 1506 place count 158 transition count 345
Iterating global reduction 10 with 4 rules applied. Total rules applied 1510 place count 158 transition count 345
Performed 11 Post agglomeration using F-continuation condition with reduction of 3 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 1532 place count 147 transition count 331
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1543 place count 147 transition count 320
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1544 place count 146 transition count 316
Iterating global reduction 11 with 1 rules applied. Total rules applied 1545 place count 146 transition count 316
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 11 with 2 rules applied. Total rules applied 1547 place count 145 transition count 315
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1549 place count 145 transition count 313
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 12 with 34 rules applied. Total rules applied 1583 place count 128 transition count 359
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 12 with 16 rules applied. Total rules applied 1599 place count 128 transition count 343
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1608 place count 119 transition count 325
Iterating global reduction 13 with 9 rules applied. Total rules applied 1617 place count 119 transition count 325
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1623 place count 119 transition count 319
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 14 with 36 rules applied. Total rules applied 1659 place count 119 transition count 283
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1660 place count 118 transition count 282
Applied a total of 1660 rules in 145 ms. Remains 118 /1539 variables (removed 1421) and now considering 282/1971 (removed 1689) transitions.
[2025-05-30 09:44:18] [INFO ] Flow matrix only has 222 transitions (discarded 60 similar events)
// Phase 1: matrix 222 rows 118 cols
[2025-05-30 09:44:18] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:18] [INFO ] Implicit Places using invariants in 101 ms returned []
[2025-05-30 09:44:18] [INFO ] Flow matrix only has 222 transitions (discarded 60 similar events)
[2025-05-30 09:44:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:44:18] [INFO ] Implicit Places using invariants and state equation in 340 ms returned [78]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 447 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/1539 places, 282/1971 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 116 transition count 281
Applied a total of 2 rules in 10 ms. Remains 116 /117 variables (removed 1) and now considering 281/282 (removed 1) transitions.
[2025-05-30 09:44:18] [INFO ] Flow matrix only has 221 transitions (discarded 60 similar events)
// Phase 1: matrix 221 rows 116 cols
[2025-05-30 09:44:18] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:19] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-05-30 09:44:19] [INFO ] Flow matrix only has 221 transitions (discarded 60 similar events)
[2025-05-30 09:44:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:19] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:44:19] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1539 places, 281/1971 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 807 ms. Remains : 116/1539 places, 281/1971 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-04
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-04 finished in 856 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0))||(X(X(!p1)) U (F(p2) U p0))))'
Support contains 3 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1523 transition count 1955
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1523 transition count 1955
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 35 place count 1523 transition count 1952
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 42 place count 1516 transition count 1944
Iterating global reduction 1 with 7 rules applied. Total rules applied 49 place count 1516 transition count 1944
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 50 place count 1516 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 53 place count 1513 transition count 1939
Iterating global reduction 2 with 3 rules applied. Total rules applied 56 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1938
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 1510 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 1509 transition count 1933
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 65 place count 1508 transition count 1932
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 1508 transition count 1932
Applied a total of 66 rules in 494 ms. Remains 1508 /1539 variables (removed 31) and now considering 1932/1971 (removed 39) transitions.
// Phase 1: matrix 1932 rows 1508 cols
[2025-05-30 09:44:19] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:19] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-05-30 09:44:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:44:20] [INFO ] Implicit Places using invariants and state equation in 933 ms returned []
Implicit Place search using SMT with State Equation took 1157 ms to find 0 implicit places.
Running 1931 sub problems to find dead transitions.
[2025-05-30 09:44:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s1053 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1931/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1931 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60440ms problems are : Problem set: 0 solved, 1931 unsolved
Search for dead transitions found 0 dead transitions in 60444ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1539 places, 1932/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62101 ms. Remains : 1508/1539 places, 1932/1971 transitions.
Stuttering acceptance computed with spot in 345 ms :[(AND (NOT p2) p1), (AND (NOT p2) p1 (NOT p0)), (NOT p0), (NOT p0), (OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (NOT p2), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-05
Stuttering criterion allowed to conclude after 51 steps with 0 reset in 2 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-05 finished in 62475 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(p1))))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1525 transition count 1954
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 36 place count 1520 transition count 1949
Iterating global reduction 1 with 5 rules applied. Total rules applied 41 place count 1520 transition count 1949
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 42 place count 1520 transition count 1948
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 43 place count 1519 transition count 1946
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 1519 transition count 1946
Applied a total of 44 rules in 231 ms. Remains 1519 /1539 variables (removed 20) and now considering 1946/1971 (removed 25) transitions.
// Phase 1: matrix 1946 rows 1519 cols
[2025-05-30 09:45:21] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:45:22] [INFO ] Implicit Places using invariants in 213 ms returned []
[2025-05-30 09:45:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:45:23] [INFO ] Implicit Places using invariants and state equation in 916 ms returned []
Implicit Place search using SMT with State Equation took 1131 ms to find 0 implicit places.
Running 1945 sub problems to find dead transitions.
[2025-05-30 09:45:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1518 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1945 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1518/3465 variables, and 4 constraints, problems are : Problem set: 0 solved, 1945 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1519 constraints, PredecessorRefiner: 1945/1945 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1945 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1518 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1945 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1518/3465 variables, and 4 constraints, problems are : Problem set: 0 solved, 1945 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1519 constraints, PredecessorRefiner: 0/1945 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60428ms problems are : Problem set: 0 solved, 1945 unsolved
Search for dead transitions found 0 dead transitions in 60431ms
Starting structural reductions in LTL mode, iteration 1 : 1519/1539 places, 1946/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61798 ms. Remains : 1519/1539 places, 1946/1971 transitions.
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-06
Product exploration explored 100000 steps with 33333 reset in 348 ms.
Product exploration explored 100000 steps with 33333 reset in 323 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2129 edges and 1519 vertex of which 1510 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.7 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 21 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-317-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-317-LTLFireability-06 finished in 62716 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1539 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Graph (trivial) has 1875 edges and 1539 vertex of which 701 / 1539 are part of one of the 63 SCC in 5 ms
Free SCC test removed 638 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1410 edges and 901 vertex of which 892 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 487 transitions
Trivial Post-agglo rules discarded 487 transitions
Performed 487 trivial Post agglomeration. Transition count delta: 487
Iterating post reduction 0 with 487 rules applied. Total rules applied 489 place count 891 transition count 736
Reduce places removed 487 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 514 rules applied. Total rules applied 1003 place count 404 transition count 709
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 1016 place count 391 transition count 709
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1016 place count 391 transition count 663
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1108 place count 345 transition count 663
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1126 place count 327 transition count 636
Iterating global reduction 3 with 18 rules applied. Total rules applied 1144 place count 327 transition count 636
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 1146 place count 327 transition count 634
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1148 place count 325 transition count 634
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1148 place count 325 transition count 633
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 1150 place count 324 transition count 633
Discarding 13 places :
Symmetric choice reduction at 5 with 13 rule applications. Total rules 1163 place count 311 transition count 616
Iterating global reduction 5 with 13 rules applied. Total rules applied 1176 place count 311 transition count 616
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1182 place count 311 transition count 610
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1184 place count 309 transition count 606
Iterating global reduction 6 with 2 rules applied. Total rules applied 1186 place count 309 transition count 606
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1188 place count 307 transition count 602
Iterating global reduction 6 with 2 rules applied. Total rules applied 1190 place count 307 transition count 602
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1192 place count 305 transition count 598
Iterating global reduction 6 with 2 rules applied. Total rules applied 1194 place count 305 transition count 598
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1196 place count 303 transition count 594
Iterating global reduction 6 with 2 rules applied. Total rules applied 1198 place count 303 transition count 594
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1200 place count 301 transition count 590
Iterating global reduction 6 with 2 rules applied. Total rules applied 1202 place count 301 transition count 590
Performed 142 Post agglomeration using F-continuation condition with reduction of 84 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 6 with 284 rules applied. Total rules applied 1486 place count 159 transition count 364
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 6 with 15 rules applied. Total rules applied 1501 place count 159 transition count 349
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1505 place count 155 transition count 340
Iterating global reduction 7 with 4 rules applied. Total rules applied 1509 place count 155 transition count 340
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 1529 place count 145 transition count 328
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 1539 place count 145 transition count 318
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1540 place count 144 transition count 314
Iterating global reduction 8 with 1 rules applied. Total rules applied 1541 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 8 with 2 rules applied. Total rules applied 1543 place count 143 transition count 313
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1545 place count 143 transition count 311
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 9 with 34 rules applied. Total rules applied 1579 place count 126 transition count 357
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1596 place count 126 transition count 340
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1605 place count 117 transition count 322
Iterating global reduction 10 with 9 rules applied. Total rules applied 1614 place count 117 transition count 322
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1620 place count 117 transition count 316
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 11 with 37 rules applied. Total rules applied 1657 place count 117 transition count 279
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 1658 place count 117 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1659 place count 116 transition count 278
Applied a total of 1659 rules in 94 ms. Remains 116 /1539 variables (removed 1423) and now considering 278/1971 (removed 1693) transitions.
[2025-05-30 09:46:24] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
// Phase 1: matrix 219 rows 116 cols
[2025-05-30 09:46:24] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:24] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-05-30 09:46:24] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
[2025-05-30 09:46:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:46:24] [INFO ] Implicit Places using invariants and state equation in 202 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 262 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/1539 places, 278/1971 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 114 transition count 277
Applied a total of 2 rules in 9 ms. Remains 114 /115 variables (removed 1) and now considering 277/278 (removed 1) transitions.
[2025-05-30 09:46:24] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
// Phase 1: matrix 218 rows 114 cols
[2025-05-30 09:46:24] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:24] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-30 09:46:24] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
[2025-05-30 09:46:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:46:24] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 114/1539 places, 277/1971 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 540 ms. Remains : 114/1539 places, 277/1971 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-07
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-07 finished in 640 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Graph (trivial) has 1875 edges and 1539 vertex of which 701 / 1539 are part of one of the 63 SCC in 2 ms
Free SCC test removed 638 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1410 edges and 901 vertex of which 892 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 486 transitions
Trivial Post-agglo rules discarded 486 transitions
Performed 486 trivial Post agglomeration. Transition count delta: 486
Iterating post reduction 0 with 486 rules applied. Total rules applied 488 place count 891 transition count 737
Reduce places removed 486 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 512 rules applied. Total rules applied 1000 place count 405 transition count 711
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 1013 place count 392 transition count 711
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1013 place count 392 transition count 665
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 1105 place count 346 transition count 665
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1122 place count 329 transition count 639
Iterating global reduction 3 with 17 rules applied. Total rules applied 1139 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 1141 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 1143 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 1143 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 1145 place count 326 transition count 636
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1157 place count 314 transition count 620
Iterating global reduction 5 with 12 rules applied. Total rules applied 1169 place count 314 transition count 620
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1175 place count 314 transition count 614
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1177 place count 312 transition count 610
Iterating global reduction 6 with 2 rules applied. Total rules applied 1179 place count 312 transition count 610
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1181 place count 310 transition count 606
Iterating global reduction 6 with 2 rules applied. Total rules applied 1183 place count 310 transition count 606
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1185 place count 308 transition count 602
Iterating global reduction 6 with 2 rules applied. Total rules applied 1187 place count 308 transition count 602
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1189 place count 306 transition count 598
Iterating global reduction 6 with 2 rules applied. Total rules applied 1191 place count 306 transition count 598
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1193 place count 304 transition count 594
Iterating global reduction 6 with 2 rules applied. Total rules applied 1195 place count 304 transition count 594
Performed 144 Post agglomeration using F-continuation condition with reduction of 86 identical transitions.
Deduced a syphon composed of 144 places in 0 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 6 with 288 rules applied. Total rules applied 1483 place count 160 transition count 364
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 1497 place count 160 transition count 350
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1501 place count 156 transition count 341
Iterating global reduction 7 with 4 rules applied. Total rules applied 1505 place count 156 transition count 341
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 1525 place count 146 transition count 329
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 1535 place count 146 transition count 319
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1536 place count 145 transition count 315
Iterating global reduction 8 with 1 rules applied. Total rules applied 1537 place count 145 transition count 315
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 1539 place count 144 transition count 314
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1541 place count 144 transition count 312
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -50
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 9 with 34 rules applied. Total rules applied 1575 place count 127 transition count 362
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1592 place count 127 transition count 345
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1601 place count 118 transition count 327
Iterating global reduction 10 with 9 rules applied. Total rules applied 1610 place count 118 transition count 327
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1616 place count 118 transition count 321
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 11 with 36 rules applied. Total rules applied 1652 place count 118 transition count 285
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1653 place count 117 transition count 284
Applied a total of 1653 rules in 73 ms. Remains 117 /1539 variables (removed 1422) and now considering 284/1971 (removed 1687) transitions.
[2025-05-30 09:46:25] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
// Phase 1: matrix 225 rows 117 cols
[2025-05-30 09:46:25] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:25] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 09:46:25] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
[2025-05-30 09:46:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:25] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:46:25] [INFO ] Implicit Places using invariants and state equation in 156 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 198 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1539 places, 284/1971 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 115 transition count 283
Applied a total of 2 rules in 8 ms. Remains 115 /116 variables (removed 1) and now considering 283/284 (removed 1) transitions.
[2025-05-30 09:46:25] [INFO ] Flow matrix only has 224 transitions (discarded 59 similar events)
// Phase 1: matrix 224 rows 115 cols
[2025-05-30 09:46:25] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:25] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-30 09:46:25] [INFO ] Flow matrix only has 224 transitions (discarded 59 similar events)
[2025-05-30 09:46:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:25] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:46:25] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 115/1539 places, 283/1971 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 424 ms. Remains : 115/1539 places, 283/1971 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-08
Stuttering criterion allowed to conclude after 13484 steps with 1801 reset in 43 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-08 finished in 524 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Support contains 1 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1523 transition count 1955
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1523 transition count 1955
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 35 place count 1523 transition count 1952
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 42 place count 1516 transition count 1944
Iterating global reduction 1 with 7 rules applied. Total rules applied 49 place count 1516 transition count 1944
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 50 place count 1516 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 53 place count 1513 transition count 1939
Iterating global reduction 2 with 3 rules applied. Total rules applied 56 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1938
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 1510 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 63 place count 1509 transition count 1933
Iterating global reduction 2 with 1 rules applied. Total rules applied 64 place count 1509 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 65 place count 1508 transition count 1932
Iterating global reduction 2 with 1 rules applied. Total rules applied 66 place count 1508 transition count 1932
Applied a total of 66 rules in 494 ms. Remains 1508 /1539 variables (removed 31) and now considering 1932/1971 (removed 39) transitions.
// Phase 1: matrix 1932 rows 1508 cols
[2025-05-30 09:46:26] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:26] [INFO ] Implicit Places using invariants in 223 ms returned []
[2025-05-30 09:46:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:46:27] [INFO ] Implicit Places using invariants and state equation in 1006 ms returned []
Implicit Place search using SMT with State Equation took 1231 ms to find 0 implicit places.
Running 1931 sub problems to find dead transitions.
[2025-05-30 09:46:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1931/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1931 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1931 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1931 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1931 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60423ms problems are : Problem set: 0 solved, 1931 unsolved
Search for dead transitions found 0 dead transitions in 60426ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1539 places, 1932/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62158 ms. Remains : 1508/1539 places, 1932/1971 transitions.
Stuttering acceptance computed with spot in 195 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-09
Stuttering criterion allowed to conclude after 181 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-09 finished in 62385 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(p0))))&&(p1 U (G(p1)||(p1&&G(p2))))))'
Support contains 3 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1525 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 37 place count 1519 transition count 1947
Iterating global reduction 1 with 6 rules applied. Total rules applied 43 place count 1519 transition count 1947
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 44 place count 1519 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 47 place count 1516 transition count 1942
Iterating global reduction 2 with 3 rules applied. Total rules applied 50 place count 1516 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 1515 transition count 1941
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 1513 transition count 1938
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 1513 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1936
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1935
Applied a total of 60 rules in 483 ms. Remains 1511 /1539 variables (removed 28) and now considering 1935/1971 (removed 36) transitions.
// Phase 1: matrix 1935 rows 1511 cols
[2025-05-30 09:47:28] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:47:28] [INFO ] Implicit Places using invariants in 200 ms returned []
[2025-05-30 09:47:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:47:29] [INFO ] Implicit Places using invariants and state equation in 855 ms returned []
Implicit Place search using SMT with State Equation took 1058 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 09:47:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60395ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60398ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1539 places, 1935/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61947 ms. Remains : 1511/1539 places, 1935/1971 transitions.
Stuttering acceptance computed with spot in 329 ms :[(OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (NOT p0), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-10
Product exploration explored 100000 steps with 2068 reset in 188 ms.
Product exploration explored 100000 steps with 2118 reset in 215 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2118 edges and 1511 vertex of which 1502 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p1 p2 p0), (X p2), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 114 ms. Reduced automaton from 9 states, 18 edges and 3 AP (stutter sensitive) to 9 states, 16 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 307 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p0), (NOT p0), (NOT p0), (NOT p2)]
RANDOM walk for 40000 steps (436 resets) in 222 ms. (179 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40003 steps (145 resets) in 84 ms. (470 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (149 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
[2025-05-30 09:48:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 820/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 1/3446 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (OVERLAPS) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3446/3446 variables, and 1515 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1897 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 820/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 2/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3425 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/3427 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3427 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/3429 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3429 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/3431 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3431 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/3433 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3433 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/3435 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3435 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/3437 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 2/3439 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3439 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 2/3441 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3441 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 2/3443 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3443 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 2/3445 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3445 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (OVERLAPS) 1/3446 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3446 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 30 (OVERLAPS) 0/3446 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3446/3446 variables, and 1517 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3342 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5249ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 1 properties in 61 ms.
Support contains 2 out of 1511 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1511/1511 places, 1935/1935 transitions.
Graph (trivial) has 1840 edges and 1511 vertex of which 690 / 1511 are part of one of the 63 SCC in 2 ms
Free SCC test removed 627 places
Drop transitions (Empty/Sink Transition effects.) removed 792 transitions
Reduce isomorphic transitions removed 792 transitions.
Graph (complete) has 1321 edges and 884 vertex of which 875 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 492 transitions
Trivial Post-agglo rules discarded 492 transitions
Performed 492 trivial Post agglomeration. Transition count delta: 492
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 875 transition count 640
Reduce places removed 492 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 1 with 549 rules applied. Total rules applied 1050 place count 383 transition count 583
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 2 with 37 rules applied. Total rules applied 1087 place count 346 transition count 583
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 50 Pre rules applied. Total rules applied 1087 place count 346 transition count 533
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 3 with 100 rules applied. Total rules applied 1187 place count 296 transition count 533
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1198 place count 285 transition count 517
Iterating global reduction 3 with 11 rules applied. Total rules applied 1209 place count 285 transition count 517
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 1212 place count 285 transition count 514
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1215 place count 282 transition count 514
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1223 place count 274 transition count 504
Iterating global reduction 5 with 8 rules applied. Total rules applied 1231 place count 274 transition count 504
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1237 place count 274 transition count 498
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1239 place count 272 transition count 486
Iterating global reduction 6 with 2 rules applied. Total rules applied 1241 place count 272 transition count 486
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 1242 place count 272 transition count 485
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1243 place count 271 transition count 485
Performed 140 Post agglomeration using F-continuation condition with reduction of 93 identical transitions.
Deduced a syphon composed of 140 places in 0 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 8 with 280 rules applied. Total rules applied 1523 place count 131 transition count 252
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 14 rules applied. Total rules applied 1537 place count 131 transition count 238
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 1539 place count 130 transition count 237
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1542 place count 127 transition count 234
Iterating global reduction 10 with 3 rules applied. Total rules applied 1545 place count 127 transition count 234
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 1571 place count 114 transition count 218
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 1586 place count 114 transition count 203
Performed 35 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 11 with 70 rules applied. Total rules applied 1656 place count 79 transition count 250
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 11 with 60 rules applied. Total rules applied 1716 place count 79 transition count 190
Discarding 24 places :
Symmetric choice reduction at 12 with 24 rule applications. Total rules 1740 place count 55 transition count 166
Iterating global reduction 12 with 24 rules applied. Total rules applied 1764 place count 55 transition count 166
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 12 with 15 rules applied. Total rules applied 1779 place count 55 transition count 151
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1785 place count 49 transition count 139
Iterating global reduction 13 with 6 rules applied. Total rules applied 1791 place count 49 transition count 139
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1797 place count 49 transition count 133
Drop transitions (Redundant composition of simpler transitions.) removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 14 with 33 rules applied. Total rules applied 1830 place count 49 transition count 100
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1833 place count 46 transition count 91
Iterating global reduction 14 with 3 rules applied. Total rules applied 1836 place count 46 transition count 91
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 1839 place count 43 transition count 88
Iterating global reduction 14 with 3 rules applied. Total rules applied 1842 place count 43 transition count 88
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1848 place count 43 transition count 82
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 1851 place count 43 transition count 79
Free-agglomeration rule applied 3 times.
Iterating global reduction 15 with 3 rules applied. Total rules applied 1854 place count 43 transition count 76
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 15 with 3 rules applied. Total rules applied 1857 place count 40 transition count 76
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 1858 place count 40 transition count 76
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1859 place count 39 transition count 75
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 35 edges and 38 vertex of which 24 / 38 are part of one of the 9 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 16 with 2 rules applied. Total rules applied 1861 place count 23 transition count 75
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 17 with 37 rules applied. Total rules applied 1898 place count 23 transition count 38
Discarding 3 places :
Symmetric choice reduction at 18 with 3 rule applications. Total rules 1901 place count 20 transition count 35
Iterating global reduction 18 with 3 rules applied. Total rules applied 1904 place count 20 transition count 35
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 18 with 6 rules applied. Total rules applied 1910 place count 17 transition count 32
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 18 with 11 rules applied. Total rules applied 1921 place count 17 transition count 21
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 1922 place count 17 transition count 20
Free-agglomeration rule applied 2 times.
Iterating global reduction 19 with 2 rules applied. Total rules applied 1924 place count 17 transition count 18
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 19 with 2 rules applied. Total rules applied 1926 place count 15 transition count 18
Applied a total of 1926 rules in 47 ms. Remains 15 /1511 variables (removed 1496) and now considering 18/1935 (removed 1917) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 15/1511 places, 18/1935 transitions.
RANDOM walk for 994 steps (102 resets) in 5 ms. (165 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND p1 p2 p0), (X p2), (X (NOT (AND (NOT p2) p1))), (X (AND p2 p1)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR p1 p2))), (F (NOT p0)), (F (NOT p1)), (F (NOT (OR p1 (NOT p2)))), (F (NOT (OR (NOT p1) p2))), (F (NOT (AND p1 p2))), (F (NOT p2))]
Property proved to be false thanks to negative knowledge :(F (NOT (OR p1 p2)))
Knowledge based reduction with 13 factoid took 236 ms. Reduced automaton from 9 states, 16 edges and 3 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-317-LTLFireability-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-317-LTLFireability-10 finished in 68931 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(F(((X(!p0) U ((p1&&X(!p0))||X(G(!p0)))) U (G((X(!p0) U ((p1&&X(!p0))||X(G(!p0)))))||(!p2&&(X(!p0) U ((p1&&X(!p0))||X(G(!p0)))))))))||(p3&&X(F(((X(!p0) U ((p1&&X(!p0))||X(G(!p0)))) U (G((X(!p0) U ((p1&&X(!p0))||X(G(!p0)))))||(!p2&&(X(!p0) U ((p1&&X(!p0))||X(G(!p0))))))))))))))'
Support contains 3 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1525 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 37 place count 1519 transition count 1947
Iterating global reduction 1 with 6 rules applied. Total rules applied 43 place count 1519 transition count 1947
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 44 place count 1519 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 47 place count 1516 transition count 1942
Iterating global reduction 2 with 3 rules applied. Total rules applied 50 place count 1516 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 1515 transition count 1941
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 1513 transition count 1938
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 1513 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1936
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1935
Applied a total of 60 rules in 491 ms. Remains 1511 /1539 variables (removed 28) and now considering 1935/1971 (removed 36) transitions.
// Phase 1: matrix 1935 rows 1511 cols
[2025-05-30 09:48:37] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:48:37] [INFO ] Implicit Places using invariants in 214 ms returned []
[2025-05-30 09:48:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:48:38] [INFO ] Implicit Places using invariants and state equation in 849 ms returned []
Implicit Place search using SMT with State Equation took 1064 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 09:48:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s576 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60409ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60413ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1539 places, 1935/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61975 ms. Remains : 1511/1539 places, 1935/1971 transitions.
Stuttering acceptance computed with spot in 195 ms :[p0, p0, p0, false, p0]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-11
Product exploration explored 100000 steps with 20027 reset in 225 ms.
Product exploration explored 100000 steps with 19981 reset in 279 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2118 edges and 1511 vertex of which 1502 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p3 p1 p2 (NOT p0)), (X p2), (X p3), (X (NOT (AND (NOT p1) (NOT p3)))), (X (OR p2 p3)), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR p2 p3))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND p2 p0))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 92 ms. Reduced automaton from 5 states, 13 edges and 4 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 150 ms :[p0, p0, p0, false, p0]
Reduction of identical properties reduced properties to check from 6 to 4
RANDOM walk for 40000 steps (433 resets) in 209 ms. (190 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (140 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (147 resets) in 64 ms. (615 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (156 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
[2025-05-30 09:49:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 821/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (OVERLAPS) 1/3446 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (OVERLAPS) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3446/3446 variables, and 1515 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4740 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 821/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 3/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3425 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 2/3427 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3427 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/3429 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3429 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 2/3431 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3431 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/3433 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3433 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/3435 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3435 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 2/3437 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3437 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 2/3439 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3439 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 2/3441 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3441 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 2/3443 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3443 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 2/3445 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3445 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (OVERLAPS) 1/3446 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3446 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 30 (OVERLAPS) 0/3446 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3446/3446 variables, and 1518 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4902 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9654ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 1391 steps, including 6 resets, run visited all 3 properties in 4 ms. (steps per millisecond=347 )
Parikh walk visited 3 properties in 183 ms.
Knowledge obtained : [(AND p3 p1 p2 (NOT p0)), (X p2), (X p3), (X (NOT (AND (NOT p1) (NOT p3)))), (X (OR p2 p3)), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (AND (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (OR p2 p3))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND p2 p0))))]
False Knowledge obtained : [(F (NOT p1)), (F p0), (F (NOT (OR (NOT p2) (NOT p0)))), (F (NOT p2)), (F (NOT (OR p1 p0))), (F (NOT (OR p1 (NOT p0))))]
Knowledge based reduction with 15 factoid took 324 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[p0, p0, p0, false, p0]
Stuttering acceptance computed with spot in 224 ms :[p0, p0, p0, false, p0]
Support contains 2 out of 1511 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1511/1511 places, 1935/1935 transitions.
Applied a total of 0 rules in 55 ms. Remains 1511 /1511 variables (removed 0) and now considering 1935/1935 (removed 0) transitions.
[2025-05-30 09:49:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:49:51] [INFO ] Implicit Places using invariants in 221 ms returned []
[2025-05-30 09:49:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:49:51] [INFO ] Implicit Places using invariants and state equation in 878 ms returned []
Implicit Place search using SMT with State Equation took 1107 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 09:49:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60420ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60422ms
Finished structural reductions in LTL mode , in 1 iterations and 61588 ms. Remains : 1511/1511 places, 1935/1935 transitions.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2118 edges and 1511 vertex of which 1502 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND (NOT p0) p1 p2), (X (X p2)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 85 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 165 ms :[p0, p0, p0, false, p0]
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 40000 steps (448 resets) in 193 ms. (206 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40002 steps (146 resets) in 57 ms. (689 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (139 resets) in 50 ms. (784 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (166 resets) in 55 ms. (714 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (155 resets) in 81 ms. (487 steps per ms) remains 4/4 properties
[2025-05-30 09:50:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 821/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 27 (OVERLAPS) 1/3446 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 29 (OVERLAPS) 0/3446 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3446/3446 variables, and 1515 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4587 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 821/823 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/823 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 677/1500 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 1925/3425 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3425 variables, 4/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3425 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/3427 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3427 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 2/3429 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3429 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 2/3431 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3431 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 2/3433 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3433 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 2/3435 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3435 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 2/3437 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3437 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 20 (OVERLAPS) 2/3439 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3439 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 22 (OVERLAPS) 2/3441 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3441 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 24 (OVERLAPS) 2/3443 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3443 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 26 (OVERLAPS) 2/3445 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3445/3446 variables, and 1518 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5020 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1510/1511 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9622ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1511 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1511/1511 places, 1935/1935 transitions.
Graph (trivial) has 1840 edges and 1511 vertex of which 693 / 1511 are part of one of the 63 SCC in 1 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 795 transitions
Reduce isomorphic transitions removed 795 transitions.
Graph (complete) has 1318 edges and 881 vertex of which 872 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 489 transitions
Trivial Post-agglo rules discarded 489 transitions
Performed 489 trivial Post agglomeration. Transition count delta: 489
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 872 transition count 640
Reduce places removed 489 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 38 transitions
Trivial Post-agglo rules discarded 38 transitions
Performed 38 trivial Post agglomeration. Transition count delta: 38
Iterating post reduction 1 with 548 rules applied. Total rules applied 1046 place count 383 transition count 581
Reduce places removed 38 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 39 rules applied. Total rules applied 1085 place count 345 transition count 580
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1086 place count 344 transition count 580
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 50 Pre rules applied. Total rules applied 1086 place count 344 transition count 530
Deduced a syphon composed of 50 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 4 with 100 rules applied. Total rules applied 1186 place count 294 transition count 530
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1197 place count 283 transition count 514
Iterating global reduction 4 with 11 rules applied. Total rules applied 1208 place count 283 transition count 514
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 3 rules applied. Total rules applied 1211 place count 283 transition count 511
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1214 place count 280 transition count 511
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 1222 place count 272 transition count 501
Iterating global reduction 6 with 8 rules applied. Total rules applied 1230 place count 272 transition count 501
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1236 place count 272 transition count 495
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1238 place count 270 transition count 483
Iterating global reduction 7 with 2 rules applied. Total rules applied 1240 place count 270 transition count 483
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 1241 place count 270 transition count 482
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1242 place count 269 transition count 482
Performed 141 Post agglomeration using F-continuation condition with reduction of 96 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Reduce places removed 141 places and 0 transitions.
Iterating global reduction 9 with 282 rules applied. Total rules applied 1524 place count 128 transition count 245
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 13 rules applied. Total rules applied 1537 place count 128 transition count 232
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1539 place count 127 transition count 231
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 1542 place count 124 transition count 228
Iterating global reduction 11 with 3 rules applied. Total rules applied 1545 place count 124 transition count 228
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 11 with 26 rules applied. Total rules applied 1571 place count 111 transition count 212
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 1586 place count 111 transition count 197
Performed 32 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 32 places in 1 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 12 with 64 rules applied. Total rules applied 1650 place count 79 transition count 241
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 12 with 55 rules applied. Total rules applied 1705 place count 79 transition count 186
Discarding 23 places :
Symmetric choice reduction at 13 with 23 rule applications. Total rules 1728 place count 56 transition count 163
Iterating global reduction 13 with 23 rules applied. Total rules applied 1751 place count 56 transition count 163
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 13 with 14 rules applied. Total rules applied 1765 place count 56 transition count 149
Discarding 5 places :
Symmetric choice reduction at 14 with 5 rule applications. Total rules 1770 place count 51 transition count 139
Iterating global reduction 14 with 5 rules applied. Total rules applied 1775 place count 51 transition count 139
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1780 place count 51 transition count 134
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 15 with 31 rules applied. Total rules applied 1811 place count 51 transition count 103
Discarding 4 places :
Symmetric choice reduction at 15 with 4 rule applications. Total rules 1815 place count 47 transition count 93
Iterating global reduction 15 with 4 rules applied. Total rules applied 1819 place count 47 transition count 93
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 1822 place count 44 transition count 90
Iterating global reduction 15 with 3 rules applied. Total rules applied 1825 place count 44 transition count 90
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 1831 place count 44 transition count 84
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 16 with 3 rules applied. Total rules applied 1834 place count 44 transition count 81
Free-agglomeration rule applied 3 times.
Iterating global reduction 16 with 3 rules applied. Total rules applied 1837 place count 44 transition count 78
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 16 with 3 rules applied. Total rules applied 1840 place count 41 transition count 78
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 1842 place count 41 transition count 78
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 1843 place count 41 transition count 77
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 1844 place count 40 transition count 76
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 37 edges and 39 vertex of which 26 / 39 are part of one of the 9 SCC in 1 ms
Free SCC test removed 17 places
Iterating post reduction 18 with 2 rules applied. Total rules applied 1846 place count 22 transition count 76
Drop transitions (Empty/Sink Transition effects.) removed 27 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 19 with 40 rules applied. Total rules applied 1886 place count 22 transition count 36
Discarding 3 places :
Symmetric choice reduction at 20 with 3 rule applications. Total rules 1889 place count 19 transition count 33
Iterating global reduction 20 with 3 rules applied. Total rules applied 1892 place count 19 transition count 33
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 20 with 6 rules applied. Total rules applied 1898 place count 16 transition count 30
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 20 with 11 rules applied. Total rules applied 1909 place count 16 transition count 19
Free-agglomeration rule applied 1 times.
Iterating global reduction 21 with 1 rules applied. Total rules applied 1910 place count 16 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 1911 place count 15 transition count 18
Applied a total of 1911 rules in 45 ms. Remains 15 /1511 variables (removed 1496) and now considering 18/1935 (removed 1917) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 15/1511 places, 18/1935 transitions.
RANDOM walk for 351 steps (43 resets) in 4 ms. (70 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) p1 p2), (X (X p2)), (X (X p1))]
False Knowledge obtained : [(F p0), (F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT p2)), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 3 factoid took 225 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 5 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 217 ms :[p0, p0, p0, false, p0]
Stuttering acceptance computed with spot in 206 ms :[p0, p0, p0, false, p0]
Stuttering acceptance computed with spot in 230 ms :[p0, p0, p0, false, p0]
Product exploration explored 100000 steps with 20005 reset in 221 ms.
Product exploration explored 100000 steps with 19993 reset in 230 ms.
Built C files in :
/tmp/ltsmin6513554302673004900
[2025-05-30 09:51:04] [INFO ] Built C files in 35ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6513554302673004900
Running compilation step : cd /tmp/ltsmin6513554302673004900;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6513554302673004900;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6513554302673004900;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 2 out of 1511 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1511/1511 places, 1935/1935 transitions.
Applied a total of 0 rules in 55 ms. Remains 1511 /1511 variables (removed 0) and now considering 1935/1935 (removed 0) transitions.
[2025-05-30 09:51:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:51:07] [INFO ] Implicit Places using invariants in 206 ms returned []
[2025-05-30 09:51:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:51:08] [INFO ] Implicit Places using invariants and state equation in 925 ms returned []
Implicit Place search using SMT with State Equation took 1132 ms to find 0 implicit places.
Running 1934 sub problems to find dead transitions.
[2025-05-30 09:51:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1934/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3446 variables, and 4 constraints, problems are : Problem set: 0 solved, 1934 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60472ms problems are : Problem set: 0 solved, 1934 unsolved
Search for dead transitions found 0 dead transitions in 60475ms
Finished structural reductions in LTL mode , in 1 iterations and 61668 ms. Remains : 1511/1511 places, 1935/1935 transitions.
Built C files in :
/tmp/ltsmin1471388100490823520
[2025-05-30 09:52:08] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1471388100490823520
Running compilation step : cd /tmp/ltsmin1471388100490823520;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1471388100490823520;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin1471388100490823520;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2025-05-30 09:52:11] [INFO ] Flatten gal took : 51 ms
[2025-05-30 09:52:12] [INFO ] Flatten gal took : 47 ms
[2025-05-30 09:52:12] [INFO ] Time to serialize gal into /tmp/LTL2487579131500048986.gal : 13 ms
[2025-05-30 09:52:12] [INFO ] Time to serialize properties into /tmp/LTL5371664702451256373.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2487579131500048986.gal' '-t' 'CGAL' '-hoa' '/tmp/aut12996705665336649068.hoa' '-atoms' '/tmp/LTL5371664702451256373.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL5371664702451256373.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut12996705665336649068.hoa
Detected timeout of ITS tools.
[2025-05-30 09:52:27] [INFO ] Flatten gal took : 44 ms
[2025-05-30 09:52:27] [INFO ] Flatten gal took : 41 ms
[2025-05-30 09:52:27] [INFO ] Time to serialize gal into /tmp/LTL10309892694974179944.gal : 7 ms
[2025-05-30 09:52:27] [INFO ] Time to serialize properties into /tmp/LTL18069384101344678695.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL10309892694974179944.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL18069384101344678695.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((X(F((G(F(((X("(p834!=1)"))U((X(G("(p834!=1)")))||(("(p1396!=1)")&&(X("(p834!=1)")))))U((G((X("(p834!=1)"))U((X(G("(p834!=1)")))||((...607
Formula 0 simplified : XG(FG("((p1396!=1)||(p834==1))" U (X!"(p834!=1)" R (XF!"(p834!=1)" & (!"(p1396!=1)" | X!"(p834!=1)")))) & (!"(p319!=1)" | XG("((p139...247
Detected timeout of ITS tools.
[2025-05-30 09:52:42] [INFO ] Flatten gal took : 36 ms
[2025-05-30 09:52:42] [INFO ] Applying decomposition
[2025-05-30 09:52:42] [INFO ] Flatten gal took : 36 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1530270571150872581.txt' '-o' '/tmp/graph1530270571150872581.bin' '-w' '/tmp/graph1530270571150872581.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1530270571150872581.bin' '-l' '-1' '-v' '-w' '/tmp/graph1530270571150872581.weights' '-q' '0' '-e' '0.001'
[2025-05-30 09:52:42] [INFO ] Decomposing Gal with order
[2025-05-30 09:52:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 09:52:42] [INFO ] Removed a total of 539 redundant transitions.
[2025-05-30 09:52:42] [INFO ] Flatten gal took : 119 ms
[2025-05-30 09:52:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 40 labels/synchronizations in 30 ms.
[2025-05-30 09:52:42] [INFO ] Time to serialize gal into /tmp/LTL2297666535260293024.gal : 19 ms
[2025-05-30 09:52:42] [INFO ] Time to serialize properties into /tmp/LTL13535513195027621961.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2297666535260293024.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13535513195027621961.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X(F((G(F(((X("(i14.i0.i2.u186.p834!=1)"))U((X(G("(i14.i0.i2.u186.p834!=1)")))||(("(i22.u332.p1396!=1)")&&(X("(i14.i0.i2.u186.p834!=...992
Formula 0 simplified : XG(FG("((i22.u332.p1396!=1)||(i14.i0.i2.u186.p834==1))" U (X!"(i14.i0.i2.u186.p834!=1)" R (XF!"(i14.i0.i2.u186.p834!=1)" & (!"(i22.u...416
Reverse transition relation is NOT exact ! Due to transitions t208, t260, t321, t370, t649, t678, t730, t761, t790, t841, t912, t963, t1130, t1211, t1244, ...2012
Computing Next relation with stutter on 104080 deadlock states
73 unique states visited
71 strongly connected components in search stack
76 transitions explored
73 items max in DFS search stack
1244 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,12.5984,493436,1,0,915926,9405,22015,2.46379e+06,549,77631,1992944
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA CloudReconfiguration-PT-317-LTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Detected timeout of ITS tools.
Treatment of property CloudReconfiguration-PT-317-LTLFireability-11 finished in 261047 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||(p1&&X(p1)))))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1524 transition count 1956
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1524 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 32 place count 1524 transition count 1954
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 39 place count 1517 transition count 1946
Iterating global reduction 1 with 7 rules applied. Total rules applied 46 place count 1517 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 47 place count 1517 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 50 place count 1514 transition count 1941
Iterating global reduction 2 with 3 rules applied. Total rules applied 53 place count 1514 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 1513 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 1513 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 1512 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 1512 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 58 place count 1511 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 59 place count 1511 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 60 place count 1510 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 61 place count 1510 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 62 place count 1509 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 63 place count 1509 transition count 1934
Applied a total of 63 rules in 498 ms. Remains 1509 /1539 variables (removed 30) and now considering 1934/1971 (removed 37) transitions.
// Phase 1: matrix 1934 rows 1509 cols
[2025-05-30 09:52:58] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:52:58] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-05-30 09:52:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:52:59] [INFO ] Implicit Places using invariants and state equation in 854 ms returned []
Implicit Place search using SMT with State Equation took 1086 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2025-05-30 09:52:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1933/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1933 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60448ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60452ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1539 places, 1934/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62043 ms. Remains : 1509/1539 places, 1934/1971 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-12
Stuttering criterion allowed to conclude after 59 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-12 finished in 62146 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 3 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1524 transition count 1956
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1524 transition count 1956
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 33 place count 1524 transition count 1953
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 39 place count 1518 transition count 1946
Iterating global reduction 1 with 6 rules applied. Total rules applied 45 place count 1518 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 46 place count 1518 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 1515 transition count 1941
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 1513 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 1510 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1510 transition count 1934
Applied a total of 62 rules in 489 ms. Remains 1510 /1539 variables (removed 29) and now considering 1934/1971 (removed 37) transitions.
// Phase 1: matrix 1934 rows 1510 cols
[2025-05-30 09:54:00] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:54:00] [INFO ] Implicit Places using invariants in 203 ms returned []
[2025-05-30 09:54:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:54:01] [INFO ] Implicit Places using invariants and state equation in 823 ms returned []
Implicit Place search using SMT with State Equation took 1033 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2025-05-30 09:54:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60400ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60403ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1539 places, 1934/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61938 ms. Remains : 1510/1539 places, 1934/1971 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-13 finished in 62061 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1539 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Graph (trivial) has 1876 edges and 1539 vertex of which 696 / 1539 are part of one of the 63 SCC in 1 ms
Free SCC test removed 633 places
Ensure Unique test removed 736 transitions
Reduce isomorphic transitions removed 736 transitions.
Graph (complete) has 1416 edges and 906 vertex of which 897 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 896 transition count 741
Reduce places removed 488 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 515 rules applied. Total rules applied 1005 place count 408 transition count 714
Reduce places removed 13 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 14 rules applied. Total rules applied 1019 place count 395 transition count 713
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1020 place count 394 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 1020 place count 394 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 1112 place count 348 transition count 667
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1130 place count 330 transition count 640
Iterating global reduction 4 with 18 rules applied. Total rules applied 1148 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 1150 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 1152 place count 328 transition count 638
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1152 place count 328 transition count 637
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1154 place count 327 transition count 637
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 1167 place count 314 transition count 620
Iterating global reduction 6 with 13 rules applied. Total rules applied 1180 place count 314 transition count 620
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1186 place count 314 transition count 614
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1189 place count 311 transition count 608
Iterating global reduction 7 with 3 rules applied. Total rules applied 1192 place count 311 transition count 608
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1195 place count 308 transition count 602
Iterating global reduction 7 with 3 rules applied. Total rules applied 1198 place count 308 transition count 602
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 1199 place count 308 transition count 601
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1200 place count 307 transition count 601
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1202 place count 305 transition count 597
Iterating global reduction 9 with 2 rules applied. Total rules applied 1204 place count 305 transition count 597
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1206 place count 303 transition count 593
Iterating global reduction 9 with 2 rules applied. Total rules applied 1208 place count 303 transition count 593
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1210 place count 301 transition count 589
Iterating global reduction 9 with 2 rules applied. Total rules applied 1212 place count 301 transition count 589
Performed 141 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Reduce places removed 141 places and 0 transitions.
Iterating global reduction 9 with 282 rules applied. Total rules applied 1494 place count 160 transition count 365
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 9 with 14 rules applied. Total rules applied 1508 place count 160 transition count 351
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 1512 place count 156 transition count 342
Iterating global reduction 10 with 4 rules applied. Total rules applied 1516 place count 156 transition count 342
Performed 11 Post agglomeration using F-continuation condition with reduction of 3 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 1538 place count 145 transition count 328
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1549 place count 145 transition count 317
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1550 place count 144 transition count 313
Iterating global reduction 11 with 1 rules applied. Total rules applied 1551 place count 144 transition count 313
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 11 with 2 rules applied. Total rules applied 1553 place count 143 transition count 312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1555 place count 143 transition count 310
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 12 with 34 rules applied. Total rules applied 1589 place count 126 transition count 356
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 1606 place count 126 transition count 339
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1615 place count 117 transition count 321
Iterating global reduction 13 with 9 rules applied. Total rules applied 1624 place count 117 transition count 321
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1630 place count 117 transition count 315
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 14 with 36 rules applied. Total rules applied 1666 place count 117 transition count 279
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1667 place count 116 transition count 278
Applied a total of 1667 rules in 80 ms. Remains 116 /1539 variables (removed 1423) and now considering 278/1971 (removed 1693) transitions.
[2025-05-30 09:55:02] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
// Phase 1: matrix 219 rows 116 cols
[2025-05-30 09:55:02] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:02] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-05-30 09:55:02] [INFO ] Flow matrix only has 219 transitions (discarded 59 similar events)
[2025-05-30 09:55:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:02] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:55:02] [INFO ] Implicit Places using invariants and state equation in 190 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 241 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/1539 places, 278/1971 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 114 transition count 277
Applied a total of 2 rules in 9 ms. Remains 114 /115 variables (removed 1) and now considering 277/278 (removed 1) transitions.
[2025-05-30 09:55:02] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
// Phase 1: matrix 218 rows 114 cols
[2025-05-30 09:55:02] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:02] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 09:55:02] [INFO ] Flow matrix only has 218 transitions (discarded 59 similar events)
[2025-05-30 09:55:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:02] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 09:55:02] [INFO ] Implicit Places using invariants and state equation in 116 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 : 114/1539 places, 277/1971 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 490 ms. Remains : 114/1539 places, 277/1971 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-14
Stuttering criterion allowed to conclude after 93543 steps with 12335 reset in 104 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-14 finished in 675 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((p0||F(G(p1)))))))'
Support contains 2 out of 1539 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1539/1539 places, 1971/1971 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1525 transition count 1957
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1525 transition count 1957
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1525 transition count 1954
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 38 place count 1518 transition count 1946
Iterating global reduction 1 with 7 rules applied. Total rules applied 45 place count 1518 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 46 place count 1518 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 49 place count 1515 transition count 1941
Iterating global reduction 2 with 3 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 1513 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 57 place count 1512 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 58 place count 1512 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 1510 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1510 transition count 1934
Applied a total of 62 rules in 489 ms. Remains 1510 /1539 variables (removed 29) and now considering 1934/1971 (removed 37) transitions.
// Phase 1: matrix 1934 rows 1510 cols
[2025-05-30 09:55:03] [INFO ] Computed 4 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:03] [INFO ] Implicit Places using invariants in 211 ms returned []
[2025-05-30 09:55:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 09:55:04] [INFO ] Implicit Places using invariants and state equation in 903 ms returned []
Implicit Place search using SMT with State Equation took 1116 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2025-05-30 09:55:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s1240 timeout
0.0)
(s1241 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 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
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60406ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60409ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1539 places, 1934/1971 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62028 ms. Remains : 1510/1539 places, 1934/1971 transitions.
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-317-LTLFireability-15
Stuttering criterion allowed to conclude after 210 steps with 0 reset in 2 ms.
FORMULA CloudReconfiguration-PT-317-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-317-LTLFireability-15 finished in 62265 ms.
All properties solved by simple procedures.
Total runtime 908633 ms.

BK_STOP 1748598965158

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-317"
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 2-5832"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-317, 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 r044-tall-174854028200332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-317.tgz
mv CloudReconfiguration-PT-317 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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