About the Execution of ITS-Tools for CloudReconfiguration-PT-312
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 801347.00 | 0.00 | 0.00 | FFFFTFFFFFTFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028200300.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-312, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028200300
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K 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 660K 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-312-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-312-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748593814064
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-312
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 08:30:15] [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 08:30:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 08:30:15] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2025-05-30 08:30:15] [INFO ] Transformed 2585 places.
[2025-05-30 08:30:15] [INFO ] Transformed 3095 transitions.
[2025-05-30 08:30:15] [INFO ] Found NUPN structural information;
[2025-05-30 08:30:15] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 260 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA CloudReconfiguration-PT-312-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-312-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-312-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 517 places :
Symmetric choice reduction at 0 with 517 rule applications. Total rules 517 place count 2068 transition count 2578
Iterating global reduction 0 with 517 rules applied. Total rules applied 1034 place count 2068 transition count 2578
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 2068 transition count 2550
Discarding 238 places :
Symmetric choice reduction at 1 with 238 rule applications. Total rules 1300 place count 1830 transition count 2312
Iterating global reduction 1 with 238 rules applied. Total rules applied 1538 place count 1830 transition count 2312
Discarding 84 places :
Symmetric choice reduction at 1 with 84 rule applications. Total rules 1622 place count 1746 transition count 2228
Iterating global reduction 1 with 84 rules applied. Total rules applied 1706 place count 1746 transition count 2228
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 1723 place count 1746 transition count 2211
Discarding 44 places :
Symmetric choice reduction at 2 with 44 rule applications. Total rules 1767 place count 1702 transition count 2167
Iterating global reduction 2 with 44 rules applied. Total rules applied 1811 place count 1702 transition count 2167
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1819 place count 1702 transition count 2159
Discarding 31 places :
Symmetric choice reduction at 3 with 31 rule applications. Total rules 1850 place count 1671 transition count 2125
Iterating global reduction 3 with 31 rules applied. Total rules applied 1881 place count 1671 transition count 2125
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 1904 place count 1648 transition count 2102
Iterating global reduction 3 with 23 rules applied. Total rules applied 1927 place count 1648 transition count 2102
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 1949 place count 1626 transition count 2080
Iterating global reduction 3 with 22 rules applied. Total rules applied 1971 place count 1626 transition count 2080
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 1993 place count 1604 transition count 2058
Iterating global reduction 3 with 22 rules applied. Total rules applied 2015 place count 1604 transition count 2058
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 2034 place count 1585 transition count 2027
Iterating global reduction 3 with 19 rules applied. Total rules applied 2053 place count 1585 transition count 2027
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 2058 place count 1580 transition count 2019
Iterating global reduction 3 with 5 rules applied. Total rules applied 2063 place count 1580 transition count 2019
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 2068 place count 1575 transition count 2012
Iterating global reduction 3 with 5 rules applied. Total rules applied 2073 place count 1575 transition count 2012
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2074 place count 1575 transition count 2011
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2076 place count 1573 transition count 2009
Iterating global reduction 4 with 2 rules applied. Total rules applied 2078 place count 1573 transition count 2009
Applied a total of 2078 rules in 1645 ms. Remains 1573 /2585 variables (removed 1012) and now considering 2009/3095 (removed 1086) transitions.
// Phase 1: matrix 2009 rows 1573 cols
[2025-05-30 08:30:17] [INFO ] Computed 4 invariants in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:30:17] [INFO ] Implicit Places using invariants in 433 ms returned []
[2025-05-30 08:30:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:30:18] [INFO ] Implicit Places using invariants and state equation in 945 ms returned []
Implicit Place search using SMT with State Equation took 1415 ms to find 0 implicit places.
Running 2008 sub problems to find dead transitions.
[2025-05-30 08:30:18] [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) 0/1572 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2008 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1572/3582 variables, and 4 constraints, problems are : Problem set: 0 solved, 2008 unsolved in 30060 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1573 constraints, PredecessorRefiner: 2008/2008 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2008 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1572 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2008 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1572/3582 variables, and 4 constraints, problems are : Problem set: 0 solved, 2008 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1573 constraints, PredecessorRefiner: 0/2008 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60670ms problems are : Problem set: 0 solved, 2008 unsolved
Search for dead transitions found 0 dead transitions in 60690ms
Starting structural reductions in LTL mode, iteration 1 : 1573/2585 places, 2009/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63779 ms. Remains : 1573/2585 places, 2009/3095 transitions.
Support contains 33 out of 1573 places after structural reductions.
[2025-05-30 08:31:19] [INFO ] Flatten gal took : 118 ms
[2025-05-30 08:31:19] [INFO ] Flatten gal took : 68 ms
[2025-05-30 08:31:20] [INFO ] Input system was already deterministic with 2009 transitions.
Support contains 32 out of 1573 places (down from 33) after GAL structural reductions.
RANDOM walk for 40000 steps (272 resets) in 1458 ms. (27 steps per ms) remains 27/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 54 ms. (72 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 47 ms. (83 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 59 ms. (66 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 69 ms. (57 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 58 ms. (67 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4001 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (9 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 53 ms. (74 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4001 steps (8 resets) in 16 ms. (235 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (9 resets) in 17 ms. (222 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 properties
[2025-05-30 08:31:20] [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) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 1533/1562 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1562 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 1999/3561 variables, 1562/1566 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3561 variables, 0/1566 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 2/3563 variables, 1/1567 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3563 variables, 0/1567 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (OVERLAPS) 2/3565 variables, 1/1568 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3565 variables, 0/1568 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (OVERLAPS) 2/3567 variables, 1/1569 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 0.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3567/3582 variables, and 1569 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1565/1573 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 1533/1562 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1562 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 1999/3561 variables, 1562/1566 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3561 variables, 27/1593 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3561/3582 variables, and 1593 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5018 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1562/1573 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10057ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 29 out of 1573 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Graph (trivial) has 1860 edges and 1573 vertex of which 652 / 1573 are part of one of the 61 SCC in 7 ms
Free SCC test removed 591 places
Drop transitions (Empty/Sink Transition effects.) removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1442 edges and 982 vertex of which 973 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 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 517 transitions
Trivial Post-agglo rules discarded 517 transitions
Performed 517 trivial Post agglomeration. Transition count delta: 517
Iterating post reduction 0 with 523 rules applied. Total rules applied 525 place count 973 transition count 740
Reduce places removed 517 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 1 with 573 rules applied. Total rules applied 1098 place count 456 transition count 684
Reduce places removed 36 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 2 with 46 rules applied. Total rules applied 1144 place count 420 transition count 674
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 13 rules applied. Total rules applied 1157 place count 411 transition count 670
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 1160 place count 410 transition count 668
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1161 place count 409 transition count 668
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 51 Pre rules applied. Total rules applied 1161 place count 409 transition count 617
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 6 with 102 rules applied. Total rules applied 1263 place count 358 transition count 617
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 1270 place count 351 transition count 608
Iterating global reduction 6 with 7 rules applied. Total rules applied 1277 place count 351 transition count 608
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 1278 place count 351 transition count 607
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1279 place count 350 transition count 607
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1284 place count 345 transition count 602
Iterating global reduction 8 with 5 rules applied. Total rules applied 1289 place count 345 transition count 602
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 1294 place count 345 transition count 597
Performed 168 Post agglomeration using F-continuation condition with reduction of 102 identical transitions.
Deduced a syphon composed of 168 places in 1 ms
Reduce places removed 168 places and 0 transitions.
Iterating global reduction 9 with 336 rules applied. Total rules applied 1630 place count 177 transition count 327
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 9 with 16 rules applied. Total rules applied 1646 place count 177 transition count 311
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1649 place count 174 transition count 308
Iterating global reduction 10 with 3 rules applied. Total rules applied 1652 place count 174 transition count 308
Performed 10 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 10 with 20 rules applied. Total rules applied 1672 place count 164 transition count 297
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 10 with 12 rules applied. Total rules applied 1684 place count 164 transition count 285
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 1686 place count 163 transition count 284
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1688 place count 163 transition count 282
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 1690 place count 162 transition count 281
Performed 33 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 12 with 66 rules applied. Total rules applied 1756 place count 129 transition count 322
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 12 with 24 rules applied. Total rules applied 1780 place count 129 transition count 298
Discarding 16 places :
Symmetric choice reduction at 13 with 16 rule applications. Total rules 1796 place count 113 transition count 266
Iterating global reduction 13 with 16 rules applied. Total rules applied 1812 place count 113 transition count 266
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 13 with 7 rules applied. Total rules applied 1819 place count 113 transition count 259
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 1821 place count 111 transition count 255
Iterating global reduction 14 with 2 rules applied. Total rules applied 1823 place count 111 transition count 255
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 14 with 22 rules applied. Total rules applied 1845 place count 111 transition count 233
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 1846 place count 110 transition count 232
Iterating global reduction 14 with 1 rules applied. Total rules applied 1847 place count 110 transition count 232
Free-agglomeration rule applied 4 times.
Iterating global reduction 14 with 4 rules applied. Total rules applied 1851 place count 110 transition count 228
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 1855 place count 106 transition count 228
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 15 with 6 rules applied. Total rules applied 1861 place count 106 transition count 228
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 1864 place count 106 transition count 228
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1865 place count 105 transition count 227
Applied a total of 1865 rules in 175 ms. Remains 105 /1573 variables (removed 1468) and now considering 227/2009 (removed 1782) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 105/1573 places, 227/2009 transitions.
RANDOM walk for 40000 steps (3726 resets) in 821 ms. (48 steps per ms) remains 2/27 properties
BEST_FIRST walk for 40004 steps (764 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (558 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
[2025-05-30 08:31:31] [INFO ] Flow matrix only has 216 transitions (discarded 11 similar events)
// Phase 1: matrix 216 rows 105 cols
[2025-05-30 08:31:31] [INFO ] Computed 3 invariants in 1 ms
[2025-05-30 08:31:31] [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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 53/58 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 172/230 variables, 58/60 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/230 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/230 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 69/299 variables, 33/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/299 variables, 3/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/299 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 5/304 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/304 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/304 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 15/319 variables, 11/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/319 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp22 is UNSAT
At refinement iteration 14 (OVERLAPS) 2/321 variables, 2/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/321 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/321 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 113 constraints, problems are : Problem set: 1 solved, 1 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/56 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 123/179 variables, 56/58 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/179 variables, 1/59 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/179 variables, 0/59 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 79/258 variables, 10/69 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/258 variables, 2/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/258 variables, 0/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 48/306 variables, 30/101 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/306 variables, 3/104 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/306 variables, 0/104 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/308 variables, 1/105 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/308 variables, 2/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 0/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/319 variables, 5/112 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/319 variables, 0/112 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/321 variables, 2/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/321 variables, 0/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/321 variables, 0/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 114 constraints, problems are : Problem set: 1 solved, 1 unsolved in 193 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 105/105 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 412ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 367 steps, including 46 resets, run visited all 1 properties in 2 ms. (steps per millisecond=183 )
Parikh walk visited 1 properties in 5 ms.
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2189 edges and 1573 vertex of which 1564 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.26 ms
FORMULA CloudReconfiguration-PT-312-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 1573 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Graph (trivial) has 1918 edges and 1573 vertex of which 694 / 1573 are part of one of the 63 SCC in 4 ms
Free SCC test removed 631 places
Ensure Unique test removed 733 transitions
Reduce isomorphic transitions removed 733 transitions.
Graph (complete) has 1450 edges and 942 vertex of which 933 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 519 transitions
Trivial Post-agglo rules discarded 519 transitions
Performed 519 trivial Post agglomeration. Transition count delta: 519
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 932 transition count 751
Reduce places removed 519 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 547 rules applied. Total rules applied 1068 place count 413 transition count 723
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 1082 place count 399 transition count 723
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1082 place count 399 transition count 677
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 1174 place count 353 transition count 677
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1191 place count 336 transition count 653
Iterating global reduction 3 with 17 rules applied. Total rules applied 1208 place count 336 transition count 653
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
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 4 rules applied. Total rules applied 1212 place count 336 transition count 649
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1215 place count 333 transition count 649
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 1226 place count 322 transition count 635
Iterating global reduction 5 with 11 rules applied. Total rules applied 1237 place count 322 transition count 635
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1245 place count 322 transition count 627
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1246 place count 321 transition count 627
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1248 place count 319 transition count 624
Iterating global reduction 7 with 2 rules applied. Total rules applied 1250 place count 319 transition count 624
Performed 146 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 7 with 292 rules applied. Total rules applied 1542 place count 173 transition count 398
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1557 place count 173 transition count 383
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 1565 place count 165 transition count 370
Iterating global reduction 8 with 8 rules applied. Total rules applied 1573 place count 165 transition count 370
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1575 place count 165 transition count 368
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1577 place count 163 transition count 364
Iterating global reduction 9 with 2 rules applied. Total rules applied 1579 place count 163 transition count 364
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1581 place count 161 transition count 360
Iterating global reduction 9 with 2 rules applied. Total rules applied 1583 place count 161 transition count 360
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1585 place count 159 transition count 356
Iterating global reduction 9 with 2 rules applied. Total rules applied 1587 place count 159 transition count 356
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1589 place count 157 transition count 352
Iterating global reduction 9 with 2 rules applied. Total rules applied 1591 place count 157 transition count 352
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 1615 place count 145 transition count 338
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1628 place count 145 transition count 325
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 1630 place count 143 transition count 317
Iterating global reduction 10 with 2 rules applied. Total rules applied 1632 place count 143 transition count 317
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 10 with 2 rules applied. Total rules applied 1634 place count 142 transition count 316
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1636 place count 142 transition count 314
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 11 with 34 rules applied. Total rules applied 1670 place count 125 transition count 351
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 11 with 21 rules applied. Total rules applied 1691 place count 125 transition count 330
Discarding 10 places :
Symmetric choice reduction at 12 with 10 rule applications. Total rules 1701 place count 115 transition count 307
Iterating global reduction 12 with 10 rules applied. Total rules applied 1711 place count 115 transition count 307
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1717 place count 115 transition count 301
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 13 with 36 rules applied. Total rules applied 1753 place count 115 transition count 265
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 13 with 2 rules applied. Total rules applied 1755 place count 115 transition count 265
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 1756 place count 115 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1757 place count 114 transition count 263
Applied a total of 1757 rules in 136 ms. Remains 114 /1573 variables (removed 1459) and now considering 263/2009 (removed 1746) transitions.
[2025-05-30 08:31:32] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
// Phase 1: matrix 206 rows 114 cols
[2025-05-30 08:31:32] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:32] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-05-30 08:31:32] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
[2025-05-30 08:31:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:32] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 08:31:32] [INFO ] Implicit Places using invariants and state equation in 115 ms returned [8, 76]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 172 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1573 places, 263/2009 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 261
Applied a total of 1 rules in 15 ms. Remains 110 /112 variables (removed 2) and now considering 261/263 (removed 2) transitions.
[2025-05-30 08:31:32] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
// Phase 1: matrix 204 rows 110 cols
[2025-05-30 08:31:32] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:32] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 08:31:32] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
[2025-05-30 08:31:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:32] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 08:31:32] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1573 places, 261/2009 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 453 ms. Remains : 110/1573 places, 261/2009 transitions.
Stuttering acceptance computed with spot in 206 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-00 finished in 733 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) U X(p1)))&&((X(p2)&&F(p3))||X(G(p2)))))'
Support contains 4 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1560 transition count 1996
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1560 transition count 1996
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 28 place count 1560 transition count 1994
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 38 place count 1550 transition count 1984
Iterating global reduction 1 with 10 rules applied. Total rules applied 48 place count 1550 transition count 1984
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 49 place count 1550 transition count 1983
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 56 place count 1543 transition count 1976
Iterating global reduction 2 with 7 rules applied. Total rules applied 63 place count 1543 transition count 1976
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 70 place count 1536 transition count 1969
Iterating global reduction 2 with 7 rules applied. Total rules applied 77 place count 1536 transition count 1969
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 85 place count 1528 transition count 1958
Iterating global reduction 2 with 8 rules applied. Total rules applied 93 place count 1528 transition count 1958
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 98 place count 1523 transition count 1953
Iterating global reduction 2 with 5 rules applied. Total rules applied 103 place count 1523 transition count 1953
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 107 place count 1519 transition count 1949
Iterating global reduction 2 with 4 rules applied. Total rules applied 111 place count 1519 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 114 place count 1516 transition count 1944
Iterating global reduction 2 with 3 rules applied. Total rules applied 117 place count 1516 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 120 place count 1513 transition count 1938
Iterating global reduction 2 with 3 rules applied. Total rules applied 123 place count 1513 transition count 1938
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 126 place count 1510 transition count 1934
Iterating global reduction 2 with 3 rules applied. Total rules applied 129 place count 1510 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 130 place count 1510 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 131 place count 1509 transition count 1932
Iterating global reduction 3 with 1 rules applied. Total rules applied 132 place count 1509 transition count 1932
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 133 place count 1509 transition count 1931
Applied a total of 133 rules in 749 ms. Remains 1509 /1573 variables (removed 64) and now considering 1931/2009 (removed 78) transitions.
// Phase 1: matrix 1931 rows 1509 cols
[2025-05-30 08:31:33] [INFO ] Computed 4 invariants in 24 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:33] [INFO ] Implicit Places using invariants in 252 ms returned []
[2025-05-30 08:31:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:31:35] [INFO ] Implicit Places using invariants and state equation in 1029 ms returned []
Implicit Place search using SMT with State Equation took 1284 ms to find 0 implicit places.
Running 1930 sub problems to find dead transitions.
[2025-05-30 08:31:35] [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) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1930 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1930/1930 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1930 unsolved
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, 1930 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1930 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60498ms problems are : Problem set: 0 solved, 1930 unsolved
Search for dead transitions found 0 dead transitions in 60503ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1573 places, 1931/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62548 ms. Remains : 1509/1573 places, 1931/2009 transitions.
Stuttering acceptance computed with spot in 384 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (AND (NOT p3) (NOT p2)), (NOT p1), (AND (NOT p0) (NOT p1)), true, (NOT p3), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-01
Stuttering criterion allowed to conclude after 163 steps with 0 reset in 3 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-01 finished in 62980 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))) U ((X(X(X(p0)))&&G(p1))||X(X(X(G(p0)))))))'
Support contains 2 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1557 transition count 1993
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1557 transition count 1993
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1557 transition count 1991
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 44 place count 1547 transition count 1981
Iterating global reduction 1 with 10 rules applied. Total rules applied 54 place count 1547 transition count 1981
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 55 place count 1547 transition count 1980
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 62 place count 1540 transition count 1973
Iterating global reduction 2 with 7 rules applied. Total rules applied 69 place count 1540 transition count 1973
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 76 place count 1533 transition count 1966
Iterating global reduction 2 with 7 rules applied. Total rules applied 83 place count 1533 transition count 1966
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 91 place count 1525 transition count 1955
Iterating global reduction 2 with 8 rules applied. Total rules applied 99 place count 1525 transition count 1955
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 104 place count 1520 transition count 1950
Iterating global reduction 2 with 5 rules applied. Total rules applied 109 place count 1520 transition count 1950
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 113 place count 1516 transition count 1946
Iterating global reduction 2 with 4 rules applied. Total rules applied 117 place count 1516 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 120 place count 1513 transition count 1941
Iterating global reduction 2 with 3 rules applied. Total rules applied 123 place count 1513 transition count 1941
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 126 place count 1510 transition count 1935
Iterating global reduction 2 with 3 rules applied. Total rules applied 129 place count 1510 transition count 1935
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 132 place count 1507 transition count 1931
Iterating global reduction 2 with 3 rules applied. Total rules applied 135 place count 1507 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 136 place count 1507 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 137 place count 1506 transition count 1929
Iterating global reduction 3 with 1 rules applied. Total rules applied 138 place count 1506 transition count 1929
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 139 place count 1506 transition count 1928
Applied a total of 139 rules in 756 ms. Remains 1506 /1573 variables (removed 67) and now considering 1928/2009 (removed 81) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 08:32:36] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:32:36] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-05-30 08:32:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:32:37] [INFO ] Implicit Places using invariants and state equation in 977 ms returned []
Implicit Place search using SMT with State Equation took 1218 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 08:32:37] [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) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60457ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60461ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1573 places, 1928/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62444 ms. Remains : 1506/1573 places, 1928/2009 transitions.
Stuttering acceptance computed with spot in 366 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-02
Entered a terminal (fully accepting) state of product in 16 steps with 2 reset in 2 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-02 finished in 62850 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)&&F(p1)&&F(p2))))'
Support contains 3 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1559 transition count 1995
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1559 transition count 1995
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 1559 transition count 1993
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 38 place count 1551 transition count 1985
Iterating global reduction 1 with 8 rules applied. Total rules applied 46 place count 1551 transition count 1985
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 1551 transition count 1984
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 52 place count 1546 transition count 1979
Iterating global reduction 2 with 5 rules applied. Total rules applied 57 place count 1546 transition count 1979
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 62 place count 1541 transition count 1974
Iterating global reduction 2 with 5 rules applied. Total rules applied 67 place count 1541 transition count 1974
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 72 place count 1536 transition count 1967
Iterating global reduction 2 with 5 rules applied. Total rules applied 77 place count 1536 transition count 1967
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 81 place count 1532 transition count 1963
Iterating global reduction 2 with 4 rules applied. Total rules applied 85 place count 1532 transition count 1963
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 1529 transition count 1960
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 1529 transition count 1960
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 93 place count 1527 transition count 1956
Iterating global reduction 2 with 2 rules applied. Total rules applied 95 place count 1527 transition count 1956
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 97 place count 1525 transition count 1952
Iterating global reduction 2 with 2 rules applied. Total rules applied 99 place count 1525 transition count 1952
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 101 place count 1523 transition count 1950
Iterating global reduction 2 with 2 rules applied. Total rules applied 103 place count 1523 transition count 1950
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 104 place count 1523 transition count 1949
Applied a total of 104 rules in 673 ms. Remains 1523 /1573 variables (removed 50) and now considering 1949/2009 (removed 60) transitions.
// Phase 1: matrix 1949 rows 1523 cols
[2025-05-30 08:33:39] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:33:39] [INFO ] Implicit Places using invariants in 241 ms returned []
[2025-05-30 08:33:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:33:40] [INFO ] Implicit Places using invariants and state equation in 951 ms returned []
Implicit Place search using SMT with State Equation took 1196 ms to find 0 implicit places.
Running 1948 sub problems to find dead transitions.
[2025-05-30 08:33:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1522 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1948 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1522/3472 variables, and 4 constraints, problems are : Problem set: 0 solved, 1948 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1523 constraints, PredecessorRefiner: 1948/1948 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1948 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1522 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1948 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1522/3472 variables, and 4 constraints, problems are : Problem set: 0 solved, 1948 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1523 constraints, PredecessorRefiner: 0/1948 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60459ms problems are : Problem set: 0 solved, 1948 unsolved
Search for dead transitions found 0 dead transitions in 60466ms
Starting structural reductions in LTL mode, iteration 1 : 1523/1573 places, 1949/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62343 ms. Remains : 1523/1573 places, 1949/2009 transitions.
Stuttering acceptance computed with spot in 219 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-03
Stuttering criterion allowed to conclude after 160 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-03 finished in 62590 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(F(p1)))))'
Support contains 2 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1557 transition count 1993
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1557 transition count 1993
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 34 place count 1557 transition count 1991
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 44 place count 1547 transition count 1981
Iterating global reduction 1 with 10 rules applied. Total rules applied 54 place count 1547 transition count 1981
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 55 place count 1547 transition count 1980
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 62 place count 1540 transition count 1973
Iterating global reduction 2 with 7 rules applied. Total rules applied 69 place count 1540 transition count 1973
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 76 place count 1533 transition count 1966
Iterating global reduction 2 with 7 rules applied. Total rules applied 83 place count 1533 transition count 1966
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 91 place count 1525 transition count 1955
Iterating global reduction 2 with 8 rules applied. Total rules applied 99 place count 1525 transition count 1955
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 104 place count 1520 transition count 1950
Iterating global reduction 2 with 5 rules applied. Total rules applied 109 place count 1520 transition count 1950
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 113 place count 1516 transition count 1946
Iterating global reduction 2 with 4 rules applied. Total rules applied 117 place count 1516 transition count 1946
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 120 place count 1513 transition count 1941
Iterating global reduction 2 with 3 rules applied. Total rules applied 123 place count 1513 transition count 1941
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 126 place count 1510 transition count 1935
Iterating global reduction 2 with 3 rules applied. Total rules applied 129 place count 1510 transition count 1935
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 132 place count 1507 transition count 1931
Iterating global reduction 2 with 3 rules applied. Total rules applied 135 place count 1507 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 136 place count 1507 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 137 place count 1506 transition count 1929
Iterating global reduction 3 with 1 rules applied. Total rules applied 138 place count 1506 transition count 1929
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 139 place count 1506 transition count 1928
Applied a total of 139 rules in 727 ms. Remains 1506 /1573 variables (removed 67) and now considering 1928/2009 (removed 81) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 08:34:42] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:34:42] [INFO ] Implicit Places using invariants in 238 ms returned []
[2025-05-30 08:34:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:34:43] [INFO ] Implicit Places using invariants and state equation in 963 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 08:34:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 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 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30047 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60455ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60461ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1573 places, 1928/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62399 ms. Remains : 1506/1573 places, 1928/2009 transitions.
Stuttering acceptance computed with spot in 105 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 438 ms.
Product exploration explored 100000 steps with 50000 reset in 427 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2105 edges and 1506 vertex of which 1497 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.8 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 41 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-312-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-312-LTLFireability-04 finished in 63475 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||G(p1)))))'
Support contains 2 out of 1573 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Graph (trivial) has 1914 edges and 1573 vertex of which 682 / 1573 are part of one of the 62 SCC in 2 ms
Free SCC test removed 620 places
Ensure Unique test removed 720 transitions
Reduce isomorphic transitions removed 720 transitions.
Graph (complete) has 1463 edges and 953 vertex of which 944 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 524 transitions
Trivial Post-agglo rules discarded 524 transitions
Performed 524 trivial Post agglomeration. Transition count delta: 524
Iterating post reduction 0 with 524 rules applied. Total rules applied 526 place count 943 transition count 759
Reduce places removed 524 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 552 rules applied. Total rules applied 1078 place count 419 transition count 731
Reduce places removed 14 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 15 rules applied. Total rules applied 1093 place count 405 transition count 730
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1096 place count 404 transition count 728
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 1099 place count 403 transition count 726
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1100 place count 402 transition count 726
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 47 Pre rules applied. Total rules applied 1100 place count 402 transition count 679
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 6 with 94 rules applied. Total rules applied 1194 place count 355 transition count 679
Discarding 17 places :
Symmetric choice reduction at 6 with 17 rule applications. Total rules 1211 place count 338 transition count 655
Iterating global reduction 6 with 17 rules applied. Total rules applied 1228 place count 338 transition count 655
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
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 6 with 4 rules applied. Total rules applied 1232 place count 338 transition count 651
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 1235 place count 335 transition count 651
Discarding 11 places :
Symmetric choice reduction at 8 with 11 rule applications. Total rules 1246 place count 324 transition count 637
Iterating global reduction 8 with 11 rules applied. Total rules applied 1257 place count 324 transition count 637
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 8 rules applied. Total rules applied 1265 place count 324 transition count 629
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1266 place count 323 transition count 629
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 1268 place count 321 transition count 626
Iterating global reduction 10 with 2 rules applied. Total rules applied 1270 place count 321 transition count 626
Performed 147 Post agglomeration using F-continuation condition with reduction of 82 identical transitions.
Deduced a syphon composed of 147 places in 0 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 10 with 294 rules applied. Total rules applied 1564 place count 174 transition count 397
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 10 with 15 rules applied. Total rules applied 1579 place count 174 transition count 382
Discarding 7 places :
Symmetric choice reduction at 11 with 7 rule applications. Total rules 1586 place count 167 transition count 371
Iterating global reduction 11 with 7 rules applied. Total rules applied 1593 place count 167 transition count 371
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 1594 place count 167 transition count 370
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1596 place count 165 transition count 366
Iterating global reduction 12 with 2 rules applied. Total rules applied 1598 place count 165 transition count 366
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1600 place count 163 transition count 362
Iterating global reduction 12 with 2 rules applied. Total rules applied 1602 place count 163 transition count 362
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1604 place count 161 transition count 358
Iterating global reduction 12 with 2 rules applied. Total rules applied 1606 place count 161 transition count 358
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 1608 place count 159 transition count 354
Iterating global reduction 12 with 2 rules applied. Total rules applied 1610 place count 159 transition count 354
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 12 with 24 rules applied. Total rules applied 1634 place count 147 transition count 340
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 12 with 13 rules applied. Total rules applied 1647 place count 147 transition count 327
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1649 place count 145 transition count 319
Iterating global reduction 13 with 2 rules applied. Total rules applied 1651 place count 145 transition count 319
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1653 place count 144 transition count 318
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 1655 place count 144 transition count 316
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 14 with 34 rules applied. Total rules applied 1689 place count 127 transition count 353
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 14 with 21 rules applied. Total rules applied 1710 place count 127 transition count 332
Discarding 9 places :
Symmetric choice reduction at 15 with 9 rule applications. Total rules 1719 place count 118 transition count 314
Iterating global reduction 15 with 9 rules applied. Total rules applied 1728 place count 118 transition count 314
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 1734 place count 118 transition count 308
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 16 with 38 rules applied. Total rules applied 1772 place count 118 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1773 place count 117 transition count 269
Applied a total of 1773 rules in 95 ms. Remains 117 /1573 variables (removed 1456) and now considering 269/2009 (removed 1740) transitions.
[2025-05-30 08:35:44] [INFO ] Flow matrix only has 213 transitions (discarded 56 similar events)
// Phase 1: matrix 213 rows 117 cols
[2025-05-30 08:35:44] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:44] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 08:35:44] [INFO ] Flow matrix only has 213 transitions (discarded 56 similar events)
[2025-05-30 08:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants and state equation in 113 ms returned [11, 77]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 158 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/1573 places, 269/2009 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 113 transition count 267
Applied a total of 1 rules in 9 ms. Remains 113 /115 variables (removed 2) and now considering 267/269 (removed 2) transitions.
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 211 transitions (discarded 56 similar events)
// Phase 1: matrix 211 rows 113 cols
[2025-05-30 08:35:45] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 211 transitions (discarded 56 similar events)
[2025-05-30 08:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 113/1573 places, 267/2009 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 399 ms. Remains : 113/1573 places, 267/2009 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-05
Stuttering criterion allowed to conclude after 1812 steps with 154 reset in 20 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-05 finished in 511 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 1 out of 1573 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Graph (trivial) has 1918 edges and 1573 vertex of which 694 / 1573 are part of one of the 63 SCC in 1 ms
Free SCC test removed 631 places
Ensure Unique test removed 733 transitions
Reduce isomorphic transitions removed 733 transitions.
Graph (complete) has 1450 edges and 942 vertex of which 933 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 519 transitions
Trivial Post-agglo rules discarded 519 transitions
Performed 519 trivial Post agglomeration. Transition count delta: 519
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 932 transition count 751
Reduce places removed 519 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 546 rules applied. Total rules applied 1067 place count 413 transition count 724
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 1080 place count 400 transition count 724
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1080 place count 400 transition count 678
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 1172 place count 354 transition count 678
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1189 place count 337 transition count 654
Iterating global reduction 3 with 17 rules applied. Total rules applied 1206 place count 337 transition count 654
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
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 4 rules applied. Total rules applied 1210 place count 337 transition count 650
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1213 place count 334 transition count 650
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 1224 place count 323 transition count 636
Iterating global reduction 5 with 11 rules applied. Total rules applied 1235 place count 323 transition count 636
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1243 place count 323 transition count 628
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1244 place count 322 transition count 628
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1246 place count 320 transition count 625
Iterating global reduction 7 with 2 rules applied. Total rules applied 1248 place count 320 transition count 625
Performed 147 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 147 places in 0 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 7 with 294 rules applied. Total rules applied 1542 place count 173 transition count 395
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1556 place count 173 transition count 381
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 1564 place count 165 transition count 368
Iterating global reduction 8 with 8 rules applied. Total rules applied 1572 place count 165 transition count 368
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1574 place count 165 transition count 366
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1576 place count 163 transition count 362
Iterating global reduction 9 with 2 rules applied. Total rules applied 1578 place count 163 transition count 362
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1580 place count 161 transition count 358
Iterating global reduction 9 with 2 rules applied. Total rules applied 1582 place count 161 transition count 358
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1584 place count 159 transition count 354
Iterating global reduction 9 with 2 rules applied. Total rules applied 1586 place count 159 transition count 354
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1588 place count 157 transition count 350
Iterating global reduction 9 with 2 rules applied. Total rules applied 1590 place count 157 transition count 350
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 1614 place count 145 transition count 336
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1627 place count 145 transition count 323
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1628 place count 144 transition count 321
Iterating global reduction 10 with 1 rules applied. Total rules applied 1629 place count 144 transition count 321
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1631 place count 143 transition count 320
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1633 place count 143 transition count 318
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 11 with 34 rules applied. Total rules applied 1667 place count 126 transition count 358
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 11 with 25 rules applied. Total rules applied 1692 place count 126 transition count 333
Discarding 10 places :
Symmetric choice reduction at 12 with 10 rule applications. Total rules 1702 place count 116 transition count 310
Iterating global reduction 12 with 10 rules applied. Total rules applied 1712 place count 116 transition count 310
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1718 place count 116 transition count 304
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 13 with 38 rules applied. Total rules applied 1756 place count 116 transition count 266
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1757 place count 115 transition count 265
Applied a total of 1757 rules in 75 ms. Remains 115 /1573 variables (removed 1458) and now considering 265/2009 (removed 1744) transitions.
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 209 transitions (discarded 56 similar events)
// Phase 1: matrix 209 rows 115 cols
[2025-05-30 08:35:45] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 209 transitions (discarded 56 similar events)
[2025-05-30 08:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants and state equation in 116 ms returned [11, 77]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 166 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1573 places, 265/2009 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 111 transition count 263
Applied a total of 1 rules in 9 ms. Remains 111 /113 variables (removed 2) and now considering 263/265 (removed 2) transitions.
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 207 transitions (discarded 56 similar events)
// Phase 1: matrix 207 rows 111 cols
[2025-05-30 08:35:45] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-05-30 08:35:45] [INFO ] Flow matrix only has 207 transitions (discarded 56 similar events)
[2025-05-30 08:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 08:35:45] [INFO ] Implicit Places using invariants and state equation in 93 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 : 111/1573 places, 263/2009 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 395 ms. Remains : 111/1573 places, 263/2009 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-06 finished in 446 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) U p2))))'
Support contains 3 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1558 transition count 1994
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1558 transition count 1994
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1558 transition count 1992
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 41 place count 1549 transition count 1983
Iterating global reduction 1 with 9 rules applied. Total rules applied 50 place count 1549 transition count 1983
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 51 place count 1549 transition count 1982
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 58 place count 1542 transition count 1975
Iterating global reduction 2 with 7 rules applied. Total rules applied 65 place count 1542 transition count 1975
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 72 place count 1535 transition count 1968
Iterating global reduction 2 with 7 rules applied. Total rules applied 79 place count 1535 transition count 1968
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 87 place count 1527 transition count 1957
Iterating global reduction 2 with 8 rules applied. Total rules applied 95 place count 1527 transition count 1957
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 100 place count 1522 transition count 1952
Iterating global reduction 2 with 5 rules applied. Total rules applied 105 place count 1522 transition count 1952
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 109 place count 1518 transition count 1948
Iterating global reduction 2 with 4 rules applied. Total rules applied 113 place count 1518 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 116 place count 1515 transition count 1943
Iterating global reduction 2 with 3 rules applied. Total rules applied 119 place count 1515 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 122 place count 1512 transition count 1937
Iterating global reduction 2 with 3 rules applied. Total rules applied 125 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 128 place count 1509 transition count 1933
Iterating global reduction 2 with 3 rules applied. Total rules applied 131 place count 1509 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 132 place count 1509 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 133 place count 1508 transition count 1931
Iterating global reduction 3 with 1 rules applied. Total rules applied 134 place count 1508 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 135 place count 1508 transition count 1930
Applied a total of 135 rules in 784 ms. Remains 1508 /1573 variables (removed 65) and now considering 1930/2009 (removed 79) transitions.
// Phase 1: matrix 1930 rows 1508 cols
[2025-05-30 08:35:46] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:46] [INFO ] Implicit Places using invariants in 237 ms returned []
[2025-05-30 08:35:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:35:47] [INFO ] Implicit Places using invariants and state equation in 994 ms returned []
Implicit Place search using SMT with State Equation took 1236 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2025-05-30 08:35:47] [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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(s1281 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, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
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, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60453ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60456ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1573 places, 1930/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62487 ms. Remains : 1508/1573 places, 1930/2009 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), true, (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-09 finished in 62720 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((X(X(F((G(p0)||(p0&&F(p1)))))) U (!p0 U X(p2))))))'
Support contains 3 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1559 transition count 1995
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1559 transition count 1995
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 1559 transition count 1993
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 38 place count 1551 transition count 1985
Iterating global reduction 1 with 8 rules applied. Total rules applied 46 place count 1551 transition count 1985
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 52 place count 1545 transition count 1979
Iterating global reduction 1 with 6 rules applied. Total rules applied 58 place count 1545 transition count 1979
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 64 place count 1539 transition count 1973
Iterating global reduction 1 with 6 rules applied. Total rules applied 70 place count 1539 transition count 1973
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 76 place count 1533 transition count 1965
Iterating global reduction 1 with 6 rules applied. Total rules applied 82 place count 1533 transition count 1965
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 86 place count 1529 transition count 1961
Iterating global reduction 1 with 4 rules applied. Total rules applied 90 place count 1529 transition count 1961
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 93 place count 1526 transition count 1958
Iterating global reduction 1 with 3 rules applied. Total rules applied 96 place count 1526 transition count 1958
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 98 place count 1524 transition count 1955
Iterating global reduction 1 with 2 rules applied. Total rules applied 100 place count 1524 transition count 1955
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 102 place count 1522 transition count 1951
Iterating global reduction 1 with 2 rules applied. Total rules applied 104 place count 1522 transition count 1951
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 106 place count 1520 transition count 1948
Iterating global reduction 1 with 2 rules applied. Total rules applied 108 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 109 place count 1520 transition count 1947
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 110 place count 1519 transition count 1946
Iterating global reduction 2 with 1 rules applied. Total rules applied 111 place count 1519 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 112 place count 1519 transition count 1945
Applied a total of 112 rules in 758 ms. Remains 1519 /1573 variables (removed 54) and now considering 1945/2009 (removed 64) transitions.
// Phase 1: matrix 1945 rows 1519 cols
[2025-05-30 08:36:49] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:36:49] [INFO ] Implicit Places using invariants in 230 ms returned []
[2025-05-30 08:36:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:36:50] [INFO ] Implicit Places using invariants and state equation in 960 ms returned []
Implicit Place search using SMT with State Equation took 1193 ms to find 0 implicit places.
Running 1944 sub problems to find dead transitions.
[2025-05-30 08:36:50] [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, 1944 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1518/3464 variables, and 4 constraints, problems are : Problem set: 0 solved, 1944 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1519 constraints, PredecessorRefiner: 1944/1944 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1944 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, 1944 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1518/3464 variables, and 4 constraints, problems are : Problem set: 0 solved, 1944 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1519 constraints, PredecessorRefiner: 0/1944 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60458ms problems are : Problem set: 0 solved, 1944 unsolved
Search for dead transitions found 0 dead transitions in 60461ms
Starting structural reductions in LTL mode, iteration 1 : 1519/1573 places, 1945/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62420 ms. Remains : 1519/1573 places, 1945/2009 transitions.
Stuttering acceptance computed with spot in 367 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-11
Product exploration explored 100000 steps with 22228 reset in 287 ms.
Product exploration explored 100000 steps with 22127 reset in 300 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2122 edges and 1519 vertex of which 1510 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.31 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 208 ms. Reduced automaton from 10 states, 28 edges and 3 AP (stutter sensitive) to 10 states, 27 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 376 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
RANDOM walk for 40000 steps (281 resets) in 438 ms. (91 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (78 resets) in 247 ms. (161 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (77 resets) in 180 ms. (221 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (77 resets) in 80 ms. (493 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (74 resets) in 125 ms. (317 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (81 resets) in 108 ms. (367 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (74 resets) in 158 ms. (251 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (71 resets) in 108 ms. (367 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (71 resets) in 99 ms. (400 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (76 resets) in 96 ms. (412 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (75 resets) in 91 ms. (434 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 265856 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 10
Probabilistic random walk after 265856 steps, saw 65575 distinct states, run finished after 3010 ms. (steps per millisecond=88 ) properties seen :0
[2025-05-30 08:37:56] [INFO ] Invariant cache hit.
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, 10 unsolved
At refinement iteration 1 (OVERLAPS) 703/706 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/706 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 802/1508 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 1935/3443 variables, 1508/1512 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3443 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/3445 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3445 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 2/3447 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3447 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 2/3449 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3449 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 2/3451 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3451 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 2/3453 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3453/3464 variables, and 1517 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1513/1519 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 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, 10 unsolved
At refinement iteration 1 (OVERLAPS) 703/706 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/706 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 802/1508 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1508 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 1935/3443 variables, 1508/1512 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3443 variables, 10/1522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3443 variables, 0/1522 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 2/3445 variables, 1/1523 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3445 variables, 0/1523 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/3447 variables, 1/1524 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3447 variables, 0/1524 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 2/3449 variables, 1/1525 constraints. Problems are: Problem set: 0 solved, 10 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 3449/3464 variables, and 1525 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5010 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1519 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10035ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1519 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1519/1519 places, 1945/1945 transitions.
Graph (trivial) has 1851 edges and 1519 vertex of which 690 / 1519 are part of one of the 63 SCC in 2 ms
Free SCC test removed 627 places
Drop transitions (Empty/Sink Transition effects.) removed 791 transitions
Reduce isomorphic transitions removed 791 transitions.
Graph (complete) has 1326 edges and 892 vertex of which 883 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 496 transitions
Trivial Post-agglo rules discarded 496 transitions
Performed 496 trivial Post agglomeration. Transition count delta: 496
Iterating post reduction 0 with 503 rules applied. Total rules applied 505 place count 883 transition count 647
Reduce places removed 496 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 553 rules applied. Total rules applied 1058 place count 387 transition count 590
Reduce places removed 37 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 38 rules applied. Total rules applied 1096 place count 350 transition count 589
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 1098 place count 349 transition count 588
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 49 Pre rules applied. Total rules applied 1098 place count 349 transition count 539
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 1196 place count 300 transition count 539
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1206 place count 290 transition count 525
Iterating global reduction 4 with 10 rules applied. Total rules applied 1216 place count 290 transition count 525
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 1219 place count 290 transition count 522
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1222 place count 287 transition count 522
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 1228 place count 281 transition count 516
Iterating global reduction 6 with 6 rules applied. Total rules applied 1234 place count 281 transition count 516
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1240 place count 281 transition count 510
Performed 150 Post agglomeration using F-continuation condition with reduction of 103 identical transitions.
Deduced a syphon composed of 150 places in 0 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 7 with 300 rules applied. Total rules applied 1540 place count 131 transition count 257
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 7 with 18 rules applied. Total rules applied 1558 place count 131 transition count 239
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1561 place count 128 transition count 236
Iterating global reduction 8 with 3 rules applied. Total rules applied 1564 place count 128 transition count 236
Performed 12 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1588 place count 116 transition count 221
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1602 place count 116 transition count 207
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 1604 place count 115 transition count 206
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1606 place count 115 transition count 204
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1608 place count 114 transition count 203
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1609 place count 114 transition count 202
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 11 with 66 rules applied. Total rules applied 1675 place count 81 transition count 233
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 11 with 37 rules applied. Total rules applied 1712 place count 81 transition count 196
Discarding 22 places :
Symmetric choice reduction at 12 with 22 rule applications. Total rules 1734 place count 59 transition count 160
Iterating global reduction 12 with 22 rules applied. Total rules applied 1756 place count 59 transition count 160
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 12 with 13 rules applied. Total rules applied 1769 place count 59 transition count 147
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1775 place count 53 transition count 135
Iterating global reduction 13 with 6 rules applied. Total rules applied 1781 place count 53 transition count 135
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1787 place count 53 transition count 129
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 14 with 11 rules applied. Total rules applied 1798 place count 53 transition count 118
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 1799 place count 52 transition count 115
Iterating global reduction 14 with 1 rules applied. Total rules applied 1800 place count 52 transition count 115
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 1801 place count 51 transition count 114
Iterating global reduction 14 with 1 rules applied. Total rules applied 1802 place count 51 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 1803 place count 51 transition count 113
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 1805 place count 50 transition count 112
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1806 place count 50 transition count 111
Free-agglomeration rule applied 4 times.
Iterating global reduction 15 with 4 rules applied. Total rules applied 1810 place count 50 transition count 107
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 1816 place count 46 transition count 105
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1817 place count 46 transition count 104
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 1818 place count 46 transition count 104
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1819 place count 45 transition count 103
Applied a total of 1819 rules in 50 ms. Remains 45 /1519 variables (removed 1474) and now considering 103/1945 (removed 1842) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 45/1519 places, 103/1945 transitions.
RANDOM walk for 40000 steps (646 resets) in 312 ms. (127 steps per ms) remains 2/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (9 resets) in 135 ms. (294 steps per ms) remains 2/2 properties
[2025-05-30 08:38:06] [INFO ] Flow matrix only has 95 transitions (discarded 8 similar events)
// Phase 1: matrix 95 rows 45 cols
[2025-05-30 08:38:06] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 08:38:06] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf3 is UNSAT
Problem apf4 is UNSAT
After SMT solving in domain Real declared 16/140 variables, and 2 constraints, problems are : Problem set: 2 solved, 0 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 2/4 constraints, State Equation: 0/45 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p0) (NOT p2)))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND p0 p2 (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p0 p1)), (G (OR p0 p2 p1))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p2)))), (F (NOT (OR p0 (NOT p2)))), (F (NOT (OR (NOT p0) p2 p1))), (F p2), (F (NOT p0)), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 p2))), (F (NOT p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 16 factoid took 405 ms. Reduced automaton from 10 states, 27 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 130 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
Stuttering acceptance computed with spot in 146 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
// Phase 1: matrix 1945 rows 1519 cols
[2025-05-30 08:38:07] [INFO ] Computed 4 invariants in 9 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 08:38:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 8 ms returned sat
[2025-05-30 08:38:08] [INFO ] [Real]Absence check using state equation in 699 ms returned sat
[2025-05-30 08:38:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 08:38:09] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 6 ms returned sat
[2025-05-30 08:38:10] [INFO ] [Nat]Absence check using state equation in 648 ms returned sat
[2025-05-30 08:38:10] [INFO ] Computed and/alt/rep : 1937/2358/1937 causal constraints (skipped 7 transitions) in 83 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:590)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:619)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:581)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:252)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:975)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
[2025-05-30 08:38:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p2)
Could not prove EG (NOT p2)
Support contains 2 out of 1519 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1519/1519 places, 1945/1945 transitions.
Graph (trivial) has 1851 edges and 1519 vertex of which 690 / 1519 are part of one of the 63 SCC in 1 ms
Free SCC test removed 627 places
Ensure Unique test removed 727 transitions
Reduce isomorphic transitions removed 727 transitions.
Graph (complete) has 1389 edges and 892 vertex of which 883 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 481 transitions
Trivial Post-agglo rules discarded 481 transitions
Performed 481 trivial Post agglomeration. Transition count delta: 481
Iterating post reduction 0 with 481 rules applied. Total rules applied 483 place count 882 transition count 731
Reduce places removed 481 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 505 rules applied. Total rules applied 988 place count 401 transition count 707
Reduce places removed 12 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 13 rules applied. Total rules applied 1001 place count 389 transition count 706
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 1003 place count 388 transition count 705
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1003 place count 388 transition count 659
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1095 place count 342 transition count 659
Discarding 16 places :
Symmetric choice reduction at 4 with 16 rule applications. Total rules 1111 place count 326 transition count 633
Iterating global reduction 4 with 16 rules applied. Total rules applied 1127 place count 326 transition count 633
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 1130 place count 326 transition count 630
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1133 place count 323 transition count 630
Discarding 9 places :
Symmetric choice reduction at 6 with 9 rule applications. Total rules 1142 place count 314 transition count 618
Iterating global reduction 6 with 9 rules applied. Total rules applied 1151 place count 314 transition count 618
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1157 place count 314 transition count 612
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1159 place count 312 transition count 608
Iterating global reduction 7 with 2 rules applied. Total rules applied 1161 place count 312 transition count 608
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1163 place count 310 transition count 604
Iterating global reduction 7 with 2 rules applied. Total rules applied 1165 place count 310 transition count 604
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1166 place count 309 transition count 602
Iterating global reduction 7 with 1 rules applied. Total rules applied 1167 place count 309 transition count 602
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1168 place count 308 transition count 600
Iterating global reduction 7 with 1 rules applied. Total rules applied 1169 place count 308 transition count 600
Performed 143 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 7 with 286 rules applied. Total rules applied 1455 place count 165 transition count 374
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1469 place count 165 transition count 360
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1473 place count 161 transition count 355
Iterating global reduction 8 with 4 rules applied. Total rules applied 1477 place count 161 transition count 355
Performed 12 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1501 place count 149 transition count 340
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 8 with 13 rules applied. Total rules applied 1514 place count 149 transition count 327
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1515 place count 148 transition count 325
Iterating global reduction 9 with 1 rules applied. Total rules applied 1516 place count 148 transition count 325
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 9 with 36 rules applied. Total rules applied 1552 place count 130 transition count 367
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 9 with 25 rules applied. Total rules applied 1577 place count 130 transition count 342
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1586 place count 121 transition count 324
Iterating global reduction 10 with 9 rules applied. Total rules applied 1595 place count 121 transition count 324
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1601 place count 121 transition count 318
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 11 with 40 rules applied. Total rules applied 1641 place count 121 transition count 278
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1642 place count 120 transition count 277
Applied a total of 1642 rules in 68 ms. Remains 120 /1519 variables (removed 1399) and now considering 277/1945 (removed 1668) transitions.
[2025-05-30 08:38:24] [INFO ] Flow matrix only has 221 transitions (discarded 56 similar events)
// Phase 1: matrix 221 rows 120 cols
[2025-05-30 08:38:24] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:24] [INFO ] Implicit Places using invariants in 144 ms returned []
[2025-05-30 08:38:24] [INFO ] Flow matrix only has 221 transitions (discarded 56 similar events)
[2025-05-30 08:38:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:24] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 08:38:24] [INFO ] Implicit Places using invariants and state equation in 284 ms returned [14, 82]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 440 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1519 places, 277/1945 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 116 transition count 275
Applied a total of 1 rules in 5 ms. Remains 116 /118 variables (removed 2) and now considering 275/277 (removed 2) transitions.
[2025-05-30 08:38:24] [INFO ] Flow matrix only has 219 transitions (discarded 56 similar events)
// Phase 1: matrix 219 rows 116 cols
[2025-05-30 08:38:24] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:24] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-05-30 08:38:24] [INFO ] Flow matrix only has 219 transitions (discarded 56 similar events)
[2025-05-30 08:38:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 08:38:24] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1519 places, 275/1945 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 668 ms. Remains : 116/1519 places, 275/1945 transitions.
Computed a total of 3 stabilizing places and 26 stable transitions
Computed a total of 3 stabilizing places and 26 stable transitions
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT p2)), (X (AND p0 (NOT p2))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 103 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter insensitive) to 4 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 119 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
RANDOM walk for 40000 steps (4274 resets) in 473 ms. (84 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40001 steps (49 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
[2025-05-30 08:38:25] [INFO ] Flow matrix only has 219 transitions (discarded 56 similar events)
[2025-05-30 08:38:25] [INFO ] Invariant cache hit.
[2025-05-30 08:38:25] [INFO ] State equation strengthened by 4 read => feed constraints.
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/134 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 191/325 variables, 96/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 4/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/334 variables, 9/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/334 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/334 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 334/335 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 237 ms.
Refiners :[State Equation: 116/116 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 119/134 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/134 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 191/325 variables, 96/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 4/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/334 variables, 9/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/334 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/334 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 334/335 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[State Equation: 116/116 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 446ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 116 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 116/116 places, 275/275 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 116 transition count 209
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 74 place count 108 transition count 209
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 122 place count 84 transition count 185
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 134 place count 84 transition count 173
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 144 place count 74 transition count 162
Iterating global reduction 3 with 10 rules applied. Total rules applied 154 place count 74 transition count 162
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 158 place count 74 transition count 158
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 160 place count 73 transition count 157
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 5 with 20 rules applied. Total rules applied 180 place count 63 transition count 147
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 190 place count 63 transition count 137
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 198 place count 55 transition count 127
Iterating global reduction 6 with 8 rules applied. Total rules applied 206 place count 55 transition count 127
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 214 place count 55 transition count 119
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 228 place count 48 transition count 120
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 238 place count 48 transition count 110
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 244 place count 42 transition count 102
Iterating global reduction 8 with 6 rules applied. Total rules applied 250 place count 42 transition count 102
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 256 place count 42 transition count 96
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 9 with 10 rules applied. Total rules applied 266 place count 42 transition count 86
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 268 place count 40 transition count 80
Iterating global reduction 9 with 2 rules applied. Total rules applied 270 place count 40 transition count 80
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 272 place count 40 transition count 78
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 274 place count 38 transition count 76
Iterating global reduction 10 with 2 rules applied. Total rules applied 276 place count 38 transition count 76
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 280 place count 38 transition count 72
Free-agglomeration rule applied 5 times.
Iterating global reduction 11 with 5 rules applied. Total rules applied 285 place count 38 transition count 67
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 291 place count 33 transition count 66
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 292 place count 33 transition count 66
Applied a total of 292 rules in 17 ms. Remains 33 /116 variables (removed 83) and now considering 66/275 (removed 209) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 33/116 places, 66/275 transitions.
RANDOM walk for 1532 steps (19 resets) in 6 ms. (218 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) p0), (X (NOT p2)), (X (AND p0 (NOT p2))), (X p0), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (AND p0 (NOT p2)))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR p0 p2))), (F p2), (F (NOT (AND p0 (NOT p2)))), (F (NOT (OR p0 (NOT p2))))]
Knowledge based reduction with 8 factoid took 308 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter insensitive) to 4 states, 7 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
Stuttering acceptance computed with spot in 128 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
[2025-05-30 08:38:26] [INFO ] Flow matrix only has 219 transitions (discarded 56 similar events)
[2025-05-30 08:38:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 08:38:26] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-05-30 08:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 08:38:26] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2025-05-30 08:38:26] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 08:38:26] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2025-05-30 08:38:26] [INFO ] Computed and/alt/rep : 161/273/158 causal constraints (skipped 51 transitions) in 29 ms.
[2025-05-30 08:38:26] [INFO ] Added : 33 causal constraints over 8 iterations in 136 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 122 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0)), false]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-11 finished in 98117 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 U p1)||G(p2))))'
Support contains 4 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1558 transition count 1994
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1558 transition count 1994
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 1558 transition count 1992
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 41 place count 1549 transition count 1983
Iterating global reduction 1 with 9 rules applied. Total rules applied 50 place count 1549 transition count 1983
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 51 place count 1549 transition count 1982
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 58 place count 1542 transition count 1975
Iterating global reduction 2 with 7 rules applied. Total rules applied 65 place count 1542 transition count 1975
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 72 place count 1535 transition count 1968
Iterating global reduction 2 with 7 rules applied. Total rules applied 79 place count 1535 transition count 1968
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 87 place count 1527 transition count 1957
Iterating global reduction 2 with 8 rules applied. Total rules applied 95 place count 1527 transition count 1957
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 100 place count 1522 transition count 1952
Iterating global reduction 2 with 5 rules applied. Total rules applied 105 place count 1522 transition count 1952
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 109 place count 1518 transition count 1948
Iterating global reduction 2 with 4 rules applied. Total rules applied 113 place count 1518 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 116 place count 1515 transition count 1943
Iterating global reduction 2 with 3 rules applied. Total rules applied 119 place count 1515 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 122 place count 1512 transition count 1937
Iterating global reduction 2 with 3 rules applied. Total rules applied 125 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 128 place count 1509 transition count 1933
Iterating global reduction 2 with 3 rules applied. Total rules applied 131 place count 1509 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 132 place count 1509 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 133 place count 1508 transition count 1931
Iterating global reduction 3 with 1 rules applied. Total rules applied 134 place count 1508 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 135 place count 1508 transition count 1930
Applied a total of 135 rules in 702 ms. Remains 1508 /1573 variables (removed 65) and now considering 1930/2009 (removed 79) transitions.
// Phase 1: matrix 1930 rows 1508 cols
[2025-05-30 08:38:27] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:27] [INFO ] Implicit Places using invariants in 212 ms returned []
[2025-05-30 08:38:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:38:28] [INFO ] Implicit Places using invariants and state equation in 925 ms returned []
Implicit Place search using SMT with State Equation took 1152 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2025-05-30 08:38:28] [INFO ] Invariant cache hit.
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, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
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, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60419ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60422ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1573 places, 1930/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62285 ms. Remains : 1508/1573 places, 1930/2009 transitions.
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-13 finished in 62467 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((X(p0) U (p1||G(F(!p2)))))))'
Support contains 4 out of 1573 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1558 transition count 1994
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1558 transition count 1994
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 1558 transition count 1993
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 41 place count 1548 transition count 1983
Iterating global reduction 1 with 10 rules applied. Total rules applied 51 place count 1548 transition count 1983
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 52 place count 1548 transition count 1982
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 59 place count 1541 transition count 1975
Iterating global reduction 2 with 7 rules applied. Total rules applied 66 place count 1541 transition count 1975
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 73 place count 1534 transition count 1968
Iterating global reduction 2 with 7 rules applied. Total rules applied 80 place count 1534 transition count 1968
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 88 place count 1526 transition count 1957
Iterating global reduction 2 with 8 rules applied. Total rules applied 96 place count 1526 transition count 1957
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 101 place count 1521 transition count 1952
Iterating global reduction 2 with 5 rules applied. Total rules applied 106 place count 1521 transition count 1952
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 110 place count 1517 transition count 1948
Iterating global reduction 2 with 4 rules applied. Total rules applied 114 place count 1517 transition count 1948
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 117 place count 1514 transition count 1943
Iterating global reduction 2 with 3 rules applied. Total rules applied 120 place count 1514 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 123 place count 1511 transition count 1937
Iterating global reduction 2 with 3 rules applied. Total rules applied 126 place count 1511 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 129 place count 1508 transition count 1933
Iterating global reduction 2 with 3 rules applied. Total rules applied 132 place count 1508 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 133 place count 1508 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 134 place count 1507 transition count 1931
Iterating global reduction 3 with 1 rules applied. Total rules applied 135 place count 1507 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 136 place count 1507 transition count 1930
Applied a total of 136 rules in 708 ms. Remains 1507 /1573 variables (removed 66) and now considering 1930/2009 (removed 79) transitions.
// Phase 1: matrix 1930 rows 1507 cols
[2025-05-30 08:39:29] [INFO ] Computed 4 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:39:30] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-05-30 08:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:39:30] [INFO ] Implicit Places using invariants and state equation in 909 ms returned []
Implicit Place search using SMT with State Equation took 1153 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2025-05-30 08:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s280 0.0)
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(s282 0.0)
(s283 0.0)
(s284 0.0)
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(s286 0.0)
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(s289 1.0)
(s290 1.0)
(s291 0.0)
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(s293 1.0)
(s294 1.0)
(s295 1.0)
(s296 1.0)
(s297 0.0)
(s298 0.0)
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(s302 1.0)
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(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 1.0)
(s324 0.0)
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(s326 0.0)
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(s445 0.0)
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(s447 0.0)
(s448 0.0)
(s449 0.0)
(s450 0.0)
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(s454 0.0)
(s455 0.0)
(s456 0.0)
(s457 0.0)
(s458 0.0)
(s459 0.0)
(s460 0.0)
(s461 0.0)
(s462 0.0)
(s463 0.0)
(s464 0.0)
(s465 0.0)
(s466 0.0)
(s467 0.0)
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(s477 0.0)
(s478 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60396ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60399ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1573 places, 1930/2009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62264 ms. Remains : 1507/1573 places, 1930/2009 transitions.
Stuttering acceptance computed with spot in 100 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-14
Product exploration explored 100000 steps with 710 reset in 142 ms.
Product exploration explored 100000 steps with 703 reset in 253 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2107 edges and 1507 vertex of which 1498 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.18 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 163 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
RANDOM walk for 40000 steps (277 resets) in 131 ms. (303 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (44 resets) in 44 ms. (888 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (43 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
[2025-05-30 08:40:32] [INFO ] Invariant cache hit.
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1092/1095 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1095 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 401/1496 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1920/3416 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3416 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3418 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3418 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3420 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3420 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3422 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3422 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3424 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3424 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3426 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3426 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3428 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3428 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3430 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3430 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3432 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3432 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3434 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3434 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3436 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3436 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3437 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3437/3437 variables, and 1511 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2379 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 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 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1092/1095 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1095 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 401/1496 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1920/3416 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3416 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3416 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3418 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3418 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3420 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3420 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3422 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3422 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3424 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3424 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3426 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3426 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3428 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3428 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3430 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3430 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3432 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3432 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3434 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3436 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3436 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3437 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3437/3437 variables, and 1512 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2854 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5264ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 312 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=312 )
Parikh walk visited 1 properties in 2 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F p2), (F (NOT (OR (NOT p2) p0))), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 11 factoid took 272 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 101 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Support contains 4 out of 1507 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1507/1507 places, 1930/1930 transitions.
Applied a total of 0 rules in 52 ms. Remains 1507 /1507 variables (removed 0) and now considering 1930/1930 (removed 0) transitions.
[2025-05-30 08:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:40:38] [INFO ] Implicit Places using invariants in 194 ms returned []
[2025-05-30 08:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:40:39] [INFO ] Implicit Places using invariants and state equation in 931 ms returned []
Implicit Place search using SMT with State Equation took 1148 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2025-05-30 08:40:39] [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) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60394ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60396ms
Finished structural reductions in LTL mode , in 1 iterations and 61600 ms. Remains : 1507/1507 places, 1930/1930 transitions.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2107 edges and 1507 vertex of which 1498 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 100 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
RANDOM walk for 40000 steps (282 resets) in 147 ms. (270 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40003 steps (42 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
[2025-05-30 08:41:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1092/1095 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1095 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 401/1496 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1920/3416 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3416 variables, 0/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/3418 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3418 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/3420 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3420 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2/3422 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3422 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/3424 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3424 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/3426 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3426 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/3428 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3428 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/3430 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3430 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/3432 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3432 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 2/3434 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3434 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 2/3436 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3436 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 1/3437 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3437/3437 variables, and 1511 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2340 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 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 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1092/1095 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1095 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 401/1496 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1496 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1920/3416 variables, 1496/1500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3416 variables, 1/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3416 variables, 0/1501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/3418 variables, 1/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3418 variables, 0/1502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2/3420 variables, 1/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3420 variables, 0/1503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/3422 variables, 1/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3422 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/3424 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3424 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/3426 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3426 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 2/3428 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3428 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/3430 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3430 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 2/3432 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3432 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 2/3434 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3434 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 2/3436 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3436 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 1/3437 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3437 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3437/3437 variables, and 1512 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2853 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1507/1507 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5235ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 114 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=114 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p2)), (X (NOT (AND p2 (NOT p1)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p0), (F p2), (F (NOT (OR (NOT p2) p0))), (F (NOT (OR (NOT p2) p1)))]
Knowledge based reduction with 11 factoid took 266 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter sensitive) to 3 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 126 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) p2)]
Product exploration explored 100000 steps with 701 reset in 122 ms.
Product exploration explored 100000 steps with 697 reset in 168 ms.
Built C files in :
/tmp/ltsmin4586931094030283065
[2025-05-30 08:41:46] [INFO ] Built C files in 49ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4586931094030283065
Running compilation step : cd /tmp/ltsmin4586931094030283065;'/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/ltsmin4586931094030283065;'/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/ltsmin4586931094030283065;'/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$1.run(LTSminRunner.java:93)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 1507 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1507/1507 places, 1930/1930 transitions.
Applied a total of 0 rules in 54 ms. Remains 1507 /1507 variables (removed 0) and now considering 1930/1930 (removed 0) transitions.
[2025-05-30 08:41:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:41:49] [INFO ] Implicit Places using invariants in 196 ms returned []
[2025-05-30 08:41:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:41:50] [INFO ] Implicit Places using invariants and state equation in 911 ms returned []
Implicit Place search using SMT with State Equation took 1157 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2025-05-30 08:41:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s466 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60400ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60402ms
Finished structural reductions in LTL mode , in 1 iterations and 61619 ms. Remains : 1507/1507 places, 1930/1930 transitions.
Built C files in :
/tmp/ltsmin5674645484592178140
[2025-05-30 08:42:51] [INFO ] Built C files in 27ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5674645484592178140
Running compilation step : cd /tmp/ltsmin5674645484592178140;'/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/ltsmin5674645484592178140;'/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/ltsmin5674645484592178140;'/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 08:42:54] [INFO ] Flatten gal took : 52 ms
[2025-05-30 08:42:54] [INFO ] Flatten gal took : 48 ms
[2025-05-30 08:42:54] [INFO ] Time to serialize gal into /tmp/LTL15980135850612051963.gal : 16 ms
[2025-05-30 08:42:54] [INFO ] Time to serialize properties into /tmp/LTL16810259723670955828.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15980135850612051963.gal' '-t' 'CGAL' '-hoa' '/tmp/aut6374300769250152433.hoa' '-atoms' '/tmp/LTL16810259723670955828.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...319
Loading property file /tmp/LTL16810259723670955828.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut6374300769250152433.hoa
Detected timeout of ITS tools.
[2025-05-30 08:43:09] [INFO ] Flatten gal took : 44 ms
[2025-05-30 08:43:09] [INFO ] Flatten gal took : 40 ms
[2025-05-30 08:43:09] [INFO ] Time to serialize gal into /tmp/LTL5968152578728308637.gal : 8 ms
[2025-05-30 08:43:09] [INFO ] Time to serialize properties into /tmp/LTL1150433162741947640.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL5968152578728308637.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1150433162741947640.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...275
Read 1 LTL properties
Checking formula 0 : !((F(G((X("(((p2185==1)&&(p572==1))&&(p1261==1))"))U(("(p567==1)")||(G(F(!("((p572==1)&&(p1261==1))")))))))))
Formula 0 simplified : GF(X!"(((p2185==1)&&(p572==1))&&(p1261==1))" R (!"(p567==1)" & FG"((p572==1)&&(p1261==1))"))
Detected timeout of ITS tools.
[2025-05-30 08:43:24] [INFO ] Flatten gal took : 35 ms
[2025-05-30 08:43:24] [INFO ] Applying decomposition
[2025-05-30 08:43:24] [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/graph6167349671104117588.txt' '-o' '/tmp/graph6167349671104117588.bin' '-w' '/tmp/graph6167349671104117588.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6167349671104117588.bin' '-l' '-1' '-v' '-w' '/tmp/graph6167349671104117588.weights' '-q' '0' '-e' '0.001'
[2025-05-30 08:43:24] [INFO ] Decomposing Gal with order
[2025-05-30 08:43:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-30 08:43:25] [INFO ] Removed a total of 476 redundant transitions.
[2025-05-30 08:43:25] [INFO ] Flatten gal took : 117 ms
[2025-05-30 08:43:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 48 labels/synchronizations in 30 ms.
[2025-05-30 08:43:25] [INFO ] Time to serialize gal into /tmp/LTL11568004707952542132.gal : 19 ms
[2025-05-30 08:43:25] [INFO ] Time to serialize properties into /tmp/LTL11498817568613077953.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/LTL11568004707952542132.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL11498817568613077953.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...256
Read 1 LTL properties
Checking formula 0 : !((F(G((X("(((i34.u531.p2185==1)&&(i19.i1.i0.u108.p572==1))&&(i19.i1.i0.u108.p1261==1))"))U(("(i7.u106.p567==1)")||(G(F(!("((i19.i1.i0...207
Formula 0 simplified : GF(X!"(((i34.u531.p2185==1)&&(i19.i1.i0.u108.p572==1))&&(i19.i1.i0.u108.p1261==1))" R (!"(i7.u106.p567==1)" & FG"((i19.i1.i0.u108.p5...192
Reverse transition relation is NOT exact ! Due to transitions t26, t187, t217, t269, t302, t380, t451, t500, t503, t668, t697, t749, t780, t809, t859, t930...2148
Computing Next relation with stutter on 140576 deadlock states
91 unique states visited
91 strongly connected components in search stack
92 transitions explored
91 items max in DFS search stack
809 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,8.26741,281300,1,0,497147,22545,22518,1.15458e+06,845,99689,1586752
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA CloudReconfiguration-PT-312-LTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property CloudReconfiguration-PT-312-LTLFireability-14 finished in 245790 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 1573 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1573/1573 places, 2009/2009 transitions.
Graph (trivial) has 1918 edges and 1573 vertex of which 694 / 1573 are part of one of the 63 SCC in 2 ms
Free SCC test removed 631 places
Ensure Unique test removed 733 transitions
Reduce isomorphic transitions removed 733 transitions.
Graph (complete) has 1450 edges and 942 vertex of which 933 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 518 transitions
Trivial Post-agglo rules discarded 518 transitions
Performed 518 trivial Post agglomeration. Transition count delta: 518
Iterating post reduction 0 with 518 rules applied. Total rules applied 520 place count 932 transition count 752
Reduce places removed 518 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 546 rules applied. Total rules applied 1066 place count 414 transition count 724
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 1080 place count 400 transition count 724
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1080 place count 400 transition count 678
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 1172 place count 354 transition count 678
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 1189 place count 337 transition count 654
Iterating global reduction 3 with 17 rules applied. Total rules applied 1206 place count 337 transition count 654
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
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 4 rules applied. Total rules applied 1210 place count 337 transition count 650
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1213 place count 334 transition count 650
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 1224 place count 323 transition count 636
Iterating global reduction 5 with 11 rules applied. Total rules applied 1235 place count 323 transition count 636
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 8 rules applied. Total rules applied 1243 place count 323 transition count 628
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1244 place count 322 transition count 628
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1246 place count 320 transition count 625
Iterating global reduction 7 with 2 rules applied. Total rules applied 1248 place count 320 transition count 625
Performed 147 Post agglomeration using F-continuation condition with reduction of 82 identical transitions.
Deduced a syphon composed of 147 places in 1 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 7 with 294 rules applied. Total rules applied 1542 place count 173 transition count 396
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1557 place count 173 transition count 381
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 1565 place count 165 transition count 368
Iterating global reduction 8 with 8 rules applied. Total rules applied 1573 place count 165 transition count 368
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1575 place count 165 transition count 366
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1577 place count 163 transition count 362
Iterating global reduction 9 with 2 rules applied. Total rules applied 1579 place count 163 transition count 362
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1581 place count 161 transition count 358
Iterating global reduction 9 with 2 rules applied. Total rules applied 1583 place count 161 transition count 358
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1585 place count 159 transition count 354
Iterating global reduction 9 with 2 rules applied. Total rules applied 1587 place count 159 transition count 354
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1589 place count 157 transition count 350
Iterating global reduction 9 with 2 rules applied. Total rules applied 1591 place count 157 transition count 350
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 1615 place count 145 transition count 336
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1628 place count 145 transition count 323
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 1630 place count 143 transition count 315
Iterating global reduction 10 with 2 rules applied. Total rules applied 1632 place count 143 transition count 315
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1634 place count 142 transition count 314
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1636 place count 142 transition count 312
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 11 with 34 rules applied. Total rules applied 1670 place count 125 transition count 349
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 11 with 21 rules applied. Total rules applied 1691 place count 125 transition count 328
Discarding 10 places :
Symmetric choice reduction at 12 with 10 rule applications. Total rules 1701 place count 115 transition count 305
Iterating global reduction 12 with 10 rules applied. Total rules applied 1711 place count 115 transition count 305
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1717 place count 115 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 13 with 35 rules applied. Total rules applied 1752 place count 115 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1753 place count 114 transition count 263
Applied a total of 1753 rules in 62 ms. Remains 114 /1573 variables (removed 1459) and now considering 263/2009 (removed 1746) transitions.
[2025-05-30 08:43:34] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
// Phase 1: matrix 206 rows 114 cols
[2025-05-30 08:43:34] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:43:35] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-05-30 08:43:35] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
[2025-05-30 08:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:43:35] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 08:43:35] [INFO ] Implicit Places using invariants and state equation in 118 ms returned [8, 76]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 181 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1573 places, 263/2009 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 261
Applied a total of 1 rules in 7 ms. Remains 110 /112 variables (removed 2) and now considering 261/263 (removed 2) transitions.
[2025-05-30 08:43:35] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
// Phase 1: matrix 204 rows 110 cols
[2025-05-30 08:43:35] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:43:35] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-05-30 08:43:35] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
[2025-05-30 08:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 08:43:35] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 08:43:35] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1573 places, 261/2009 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 386 ms. Remains : 110/1573 places, 261/2009 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-312-LTLFireability-15
Stuttering criterion allowed to conclude after 531 steps with 47 reset in 3 ms.
FORMULA CloudReconfiguration-PT-312-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-312-LTLFireability-15 finished in 468 ms.
All properties solved by simple procedures.
Total runtime 800062 ms.
BK_STOP 1748594615411
--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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-312"
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-312, 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-174854028200300"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-312.tgz
mv CloudReconfiguration-PT-312 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;