About the Execution of ITS-Tools for CloudReconfiguration-PT-319
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 426692.00 | 0.00 | 0.00 | FFFFFFTFFFFFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300348.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-319, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300348
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.7K 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 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 661K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-319-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748599962267
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-319
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-05-30 10:12:43] [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 10:12:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 10:12:43] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2025-05-30 10:12:43] [INFO ] Transformed 2587 places.
[2025-05-30 10:12:43] [INFO ] Transformed 3099 transitions.
[2025-05-30 10:12:43] [INFO ] Found NUPN structural information;
[2025-05-30 10:12:43] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 240 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA CloudReconfiguration-PT-319-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-319-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 2587 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Discarding 511 places :
Symmetric choice reduction at 0 with 511 rule applications. Total rules 511 place count 2076 transition count 2588
Iterating global reduction 0 with 511 rules applied. Total rules applied 1022 place count 2076 transition count 2588
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1051 place count 2076 transition count 2559
Discarding 231 places :
Symmetric choice reduction at 1 with 231 rule applications. Total rules 1282 place count 1845 transition count 2328
Iterating global reduction 1 with 231 rules applied. Total rules applied 1513 place count 1845 transition count 2328
Discarding 87 places :
Symmetric choice reduction at 1 with 87 rule applications. Total rules 1600 place count 1758 transition count 2241
Iterating global reduction 1 with 87 rules applied. Total rules applied 1687 place count 1758 transition count 2241
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 1704 place count 1758 transition count 2224
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 1752 place count 1710 transition count 2176
Iterating global reduction 2 with 48 rules applied. Total rules applied 1800 place count 1710 transition count 2176
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 1809 place count 1710 transition count 2167
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 1847 place count 1672 transition count 2124
Iterating global reduction 3 with 38 rules applied. Total rules applied 1885 place count 1672 transition count 2124
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 1912 place count 1645 transition count 2097
Iterating global reduction 3 with 27 rules applied. Total rules applied 1939 place count 1645 transition count 2097
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1964 place count 1620 transition count 2072
Iterating global reduction 3 with 25 rules applied. Total rules applied 1989 place count 1620 transition count 2072
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 2013 place count 1596 transition count 2048
Iterating global reduction 3 with 24 rules applied. Total rules applied 2037 place count 1596 transition count 2048
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2057 place count 1576 transition count 2015
Iterating global reduction 3 with 20 rules applied. Total rules applied 2077 place count 1576 transition count 2015
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 2081 place count 1572 transition count 2009
Iterating global reduction 3 with 4 rules applied. Total rules applied 2085 place count 1572 transition count 2009
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 2089 place count 1568 transition count 2004
Iterating global reduction 3 with 4 rules applied. Total rules applied 2093 place count 1568 transition count 2004
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2094 place count 1568 transition count 2003
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 2095 place count 1567 transition count 2002
Iterating global reduction 4 with 1 rules applied. Total rules applied 2096 place count 1567 transition count 2002
Applied a total of 2096 rules in 2244 ms. Remains 1567 /2587 variables (removed 1020) and now considering 2002/3099 (removed 1097) transitions.
// Phase 1: matrix 2002 rows 1567 cols
[2025-05-30 10:12:46] [INFO ] Computed 4 invariants in 32 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:12:46] [INFO ] Implicit Places using invariants in 461 ms returned []
[2025-05-30 10:12:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:12:47] [INFO ] Implicit Places using invariants and state equation in 1021 ms returned []
Implicit Place search using SMT with State Equation took 1516 ms to find 0 implicit places.
Running 2001 sub problems to find dead transitions.
[2025-05-30 10:12:47] [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: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1566 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2001 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1566/3569 variables, and 4 constraints, problems are : Problem set: 0 solved, 2001 unsolved in 30066 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1567 constraints, PredecessorRefiner: 2001/2001 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2001 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1566 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2001 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1566/3569 variables, and 4 constraints, problems are : Problem set: 0 solved, 2001 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1567 constraints, PredecessorRefiner: 0/2001 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60714ms problems are : Problem set: 0 solved, 2001 unsolved
Search for dead transitions found 0 dead transitions in 60734ms
Starting structural reductions in LTL mode, iteration 1 : 1567/2587 places, 2002/3099 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64524 ms. Remains : 1567/2587 places, 2002/3099 transitions.
Support contains 39 out of 1567 places after structural reductions.
[2025-05-30 10:13:48] [INFO ] Flatten gal took : 124 ms
[2025-05-30 10:13:48] [INFO ] Flatten gal took : 68 ms
[2025-05-30 10:13:49] [INFO ] Input system was already deterministic with 2002 transitions.
Support contains 38 out of 1567 places (down from 39) after GAL structural reductions.
RANDOM walk for 40000 steps (477 resets) in 1739 ms. (22 steps per ms) remains 30/37 properties
BEST_FIRST walk for 4002 steps (19 resets) in 76 ms. (51 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (22 resets) in 65 ms. (60 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (20 resets) in 32 ms. (121 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (19 resets) in 58 ms. (67 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (21 resets) in 33 ms. (117 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4001 steps (20 resets) in 23 ms. (166 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (16 resets) in 40 ms. (97 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (14 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (12 resets) in 12 ms. (308 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (20 resets) in 14 ms. (266 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (10 resets) in 20 ms. (190 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (18 resets) in 14 ms. (266 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (19 resets) in 14 ms. (266 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (17 resets) in 16 ms. (235 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (18 resets) in 25 ms. (153 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (17 resets) in 20 ms. (190 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (18 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (17 resets) in 28 ms. (138 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (17 resets) in 25 ms. (153 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (16 resets) in 26 ms. (148 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (19 resets) in 18 ms. (210 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (21 resets) in 15 ms. (250 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (13 resets) in 17 ms. (222 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (15 resets) in 22 ms. (174 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (21 resets) in 24 ms. (160 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4004 steps (20 resets) in 63 ms. (62 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4000 steps (19 resets) in 27 ms. (142 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4002 steps (21 resets) in 14 ms. (266 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (17 resets) in 25 ms. (153 steps per ms) remains 30/30 properties
BEST_FIRST walk for 4003 steps (13 resets) in 18 ms. (210 steps per ms) remains 30/30 properties
[2025-05-30 10:13:49] [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) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 1523/1556 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1556 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 1992/3548 variables, 1556/1560 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3548 variables, 0/1560 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 5 (OVERLAPS) 2/3550 variables, 1/1561 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3550 variables, 0/1561 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 7 (OVERLAPS) 2/3552 variables, 1/1562 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3552/3569 variables, and 1562 constraints, problems are : Problem set: 0 solved, 30 unsolved in 5010 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1558/1567 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 30 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 1523/1556 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1556 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 3 (OVERLAPS) 1992/3548 variables, 1556/1560 constraints. Problems are: Problem set: 0 solved, 30 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3548 variables, 30/1590 constraints. Problems are: Problem set: 0 solved, 30 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3548/3569 variables, and 1590 constraints, problems are : Problem set: 0 solved, 30 unsolved in 5016 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1556/1567 constraints, PredecessorRefiner: 30/30 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10055ms problems are : Problem set: 0 solved, 30 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 33 out of 1567 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1831 edges and 1567 vertex of which 621 / 1567 are part of one of the 59 SCC in 8 ms
Free SCC test removed 562 places
Drop transitions (Empty/Sink Transition effects.) removed 700 transitions
Reduce isomorphic transitions removed 700 transitions.
Graph (complete) has 1484 edges and 1005 vertex of which 996 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 509 transitions
Trivial Post-agglo rules discarded 509 transitions
Performed 509 trivial Post agglomeration. Transition count delta: 509
Iterating post reduction 0 with 514 rules applied. Total rules applied 516 place count 996 transition count 784
Reduce places removed 509 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 560 rules applied. Total rules applied 1076 place count 487 transition count 733
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 40 rules applied. Total rules applied 1116 place count 455 transition count 725
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 11 rules applied. Total rules applied 1127 place count 451 transition count 718
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 8 rules applied. Total rules applied 1135 place count 448 transition count 713
Reduce places removed 3 places and 0 transitions.
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Iterating post reduction 5 with 17 rules applied. Total rules applied 1152 place count 445 transition count 699
Reduce places removed 14 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 6 with 16 rules applied. Total rules applied 1168 place count 431 transition count 697
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1169 place count 430 transition count 697
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 56 Pre rules applied. Total rules applied 1169 place count 430 transition count 641
Deduced a syphon composed of 56 places in 0 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 8 with 112 rules applied. Total rules applied 1281 place count 374 transition count 641
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 1291 place count 364 transition count 628
Iterating global reduction 8 with 10 rules applied. Total rules applied 1301 place count 364 transition count 628
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 8 with 2 rules applied. Total rules applied 1303 place count 364 transition count 626
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1305 place count 362 transition count 626
Discarding 6 places :
Symmetric choice reduction at 10 with 6 rule applications. Total rules 1311 place count 356 transition count 620
Iterating global reduction 10 with 6 rules applied. Total rules applied 1317 place count 356 transition count 620
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1323 place count 356 transition count 614
Performed 163 Post agglomeration using F-continuation condition with reduction of 96 identical transitions.
Deduced a syphon composed of 163 places in 0 ms
Reduce places removed 163 places and 0 transitions.
Iterating global reduction 11 with 326 rules applied. Total rules applied 1649 place count 193 transition count 355
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 11 with 21 rules applied. Total rules applied 1670 place count 193 transition count 334
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 1673 place count 190 transition count 331
Iterating global reduction 12 with 3 rules applied. Total rules applied 1676 place count 190 transition count 331
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 12 with 22 rules applied. Total rules applied 1698 place count 179 transition count 318
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 1708 place count 179 transition count 308
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 1710 place count 178 transition count 307
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 1712 place count 178 transition count 305
Performed 37 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 14 with 74 rules applied. Total rules applied 1786 place count 141 transition count 356
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 14 with 30 rules applied. Total rules applied 1816 place count 141 transition count 326
Discarding 16 places :
Symmetric choice reduction at 15 with 16 rule applications. Total rules 1832 place count 125 transition count 293
Iterating global reduction 15 with 16 rules applied. Total rules applied 1848 place count 125 transition count 293
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 15 with 8 rules applied. Total rules applied 1856 place count 125 transition count 285
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 1858 place count 123 transition count 281
Iterating global reduction 16 with 2 rules applied. Total rules applied 1860 place count 123 transition count 281
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 1861 place count 123 transition count 280
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 17 with 18 rules applied. Total rules applied 1879 place count 123 transition count 262
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 1880 place count 122 transition count 261
Iterating global reduction 17 with 1 rules applied. Total rules applied 1881 place count 122 transition count 261
Free-agglomeration rule applied 2 times.
Iterating global reduction 17 with 2 rules applied. Total rules applied 1883 place count 122 transition count 259
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 1885 place count 120 transition count 259
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 18 with 8 rules applied. Total rules applied 1893 place count 120 transition count 259
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 1894 place count 120 transition count 258
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 1895 place count 119 transition count 257
Iterating global reduction 18 with 1 rules applied. Total rules applied 1896 place count 119 transition count 257
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 1898 place count 119 transition count 257
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 1899 place count 119 transition count 256
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 1900 place count 118 transition count 255
Applied a total of 1900 rules in 197 ms. Remains 118 /1567 variables (removed 1449) and now considering 255/2002 (removed 1747) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 118/1567 places, 255/2002 transitions.
RANDOM walk for 40000 steps (4993 resets) in 788 ms. (50 steps per ms) remains 4/30 properties
BEST_FIRST walk for 40003 steps (1252 resets) in 75 ms. (526 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (1304 resets) in 64 ms. (615 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1269 resets) in 79 ms. (500 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (1032 resets) in 83 ms. (476 steps per ms) remains 4/4 properties
[2025-05-30 10:14:00] [INFO ] Flow matrix only has 243 transitions (discarded 12 similar events)
// Phase 1: matrix 243 rows 118 cols
[2025-05-30 10:14:00] [INFO ] Computed 3 invariants in 1 ms
[2025-05-30 10:14:00] [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) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp20 is UNSAT
At refinement iteration 1 (OVERLAPS) 78/87 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 212/299 variables, 87/90 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 3/93 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/299 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 39/338 variables, 18/111 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 2/113 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 19/357 variables, 9/122 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/357 variables, 0/122 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 4/361 variables, 4/126 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/361 variables, 0/126 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/361 variables, 0/126 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 361/361 variables, and 126 constraints, problems are : Problem set: 1 solved, 3 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 118/118 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 80/87 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 212/299 variables, 87/90 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 3/93 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/299 variables, 0/93 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 39/338 variables, 18/111 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 2/113 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/338 variables, 3/116 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/338 variables, 0/116 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 19/357 variables, 9/125 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/357 variables, 0/125 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 4/361 variables, 4/129 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/361 variables, 0/129 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/361 variables, 0/129 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 361/361 variables, and 129 constraints, problems are : Problem set: 1 solved, 3 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 118/118 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 759ms problems are : Problem set: 1 solved, 3 unsolved
Finished Parikh walk after 527 steps, including 34 resets, run visited all 1 properties in 2 ms. (steps per millisecond=263 )
Parikh walk visited 3 properties in 80 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-04 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
FORMULA CloudReconfiguration-PT-319-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 32 stabilizing places and 36 stable transitions
Graph (complete) has 2189 edges and 1567 vertex of which 1558 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.22 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p1)&&p0))))'
Support contains 2 out of 1567 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1550 transition count 1985
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1550 transition count 1985
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 47 place count 1537 transition count 1971
Iterating global reduction 0 with 13 rules applied. Total rules applied 60 place count 1537 transition count 1971
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 68 place count 1529 transition count 1961
Iterating global reduction 0 with 8 rules applied. Total rules applied 76 place count 1529 transition count 1961
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 78 place count 1529 transition count 1959
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 82 place count 1525 transition count 1953
Iterating global reduction 1 with 4 rules applied. Total rules applied 86 place count 1525 transition count 1953
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 90 place count 1521 transition count 1949
Iterating global reduction 1 with 4 rules applied. Total rules applied 94 place count 1521 transition count 1949
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 95 place count 1521 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 97 place count 1519 transition count 1946
Iterating global reduction 2 with 2 rules applied. Total rules applied 99 place count 1519 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 101 place count 1517 transition count 1944
Iterating global reduction 2 with 2 rules applied. Total rules applied 103 place count 1517 transition count 1944
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 105 place count 1515 transition count 1941
Iterating global reduction 2 with 2 rules applied. Total rules applied 107 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 108 place count 1514 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 109 place count 1514 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 110 place count 1513 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 111 place count 1513 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 112 place count 1512 transition count 1936
Iterating global reduction 2 with 1 rules applied. Total rules applied 113 place count 1512 transition count 1936
Applied a total of 113 rules in 756 ms. Remains 1512 /1567 variables (removed 55) and now considering 1936/2002 (removed 66) transitions.
// Phase 1: matrix 1936 rows 1512 cols
[2025-05-30 10:14:02] [INFO ] Computed 4 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:14:02] [INFO ] Implicit Places using invariants in 244 ms returned []
[2025-05-30 10:14:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:14:03] [INFO ] Implicit Places using invariants and state equation in 923 ms returned []
Implicit Place search using SMT with State Equation took 1169 ms to find 0 implicit places.
Running 1935 sub problems to find dead transitions.
[2025-05-30 10:14:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 1935/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1935 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1935 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1935 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1935 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60478ms problems are : Problem set: 0 solved, 1935 unsolved
Search for dead transitions found 0 dead transitions in 60482ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1567 places, 1936/2002 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62416 ms. Remains : 1512/1567 places, 1936/2002 transitions.
Stuttering acceptance computed with spot in 348 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-00 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' '!(G(F(p0)))'
Support contains 1 out of 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1906 edges and 1567 vertex of which 699 / 1567 are part of one of the 63 SCC in 4 ms
Free SCC test removed 636 places
Ensure Unique test removed 738 transitions
Reduce isomorphic transitions removed 738 transitions.
Graph (complete) has 1445 edges and 931 vertex of which 922 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 511 transitions
Trivial Post-agglo rules discarded 511 transitions
Performed 511 trivial Post agglomeration. Transition count delta: 511
Iterating post reduction 0 with 511 rules applied. Total rules applied 513 place count 921 transition count 747
Reduce places removed 511 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 535 rules applied. Total rules applied 1048 place count 410 transition count 723
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1060 place count 398 transition count 723
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 44 Pre rules applied. Total rules applied 1060 place count 398 transition count 679
Deduced a syphon composed of 44 places in 1 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 88 rules applied. Total rules applied 1148 place count 354 transition count 679
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 1167 place count 335 transition count 651
Iterating global reduction 3 with 19 rules applied. Total rules applied 1186 place count 335 transition count 651
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 1190 place count 335 transition count 647
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1193 place count 332 transition count 647
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1193 place count 332 transition count 646
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1195 place count 331 transition count 646
Discarding 11 places :
Symmetric choice reduction at 5 with 11 rule applications. Total rules 1206 place count 320 transition count 631
Iterating global reduction 5 with 11 rules applied. Total rules applied 1217 place count 320 transition count 631
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1223 place count 320 transition count 625
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 1227 place count 316 transition count 617
Iterating global reduction 6 with 4 rules applied. Total rules applied 1231 place count 316 transition count 617
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1234 place count 313 transition count 611
Iterating global reduction 6 with 3 rules applied. Total rules applied 1237 place count 313 transition count 611
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1238 place count 313 transition count 610
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1240 place count 311 transition count 606
Iterating global reduction 7 with 2 rules applied. Total rules applied 1242 place count 311 transition count 606
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1244 place count 309 transition count 602
Iterating global reduction 7 with 2 rules applied. Total rules applied 1246 place count 309 transition count 602
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1247 place count 308 transition count 600
Iterating global reduction 7 with 1 rules applied. Total rules applied 1248 place count 308 transition count 600
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1249 place count 307 transition count 593
Iterating global reduction 7 with 1 rules applied. Total rules applied 1250 place count 307 transition count 593
Performed 145 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 7 with 290 rules applied. Total rules applied 1540 place count 162 transition count 363
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1553 place count 162 transition count 350
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 1557 place count 158 transition count 345
Iterating global reduction 8 with 4 rules applied. Total rules applied 1561 place count 158 transition count 345
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 1585 place count 146 transition count 330
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 8 with 12 rules applied. Total rules applied 1597 place count 146 transition count 318
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -48
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 1633 place count 128 transition count 366
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 9 with 19 rules applied. Total rules applied 1652 place count 128 transition count 347
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1661 place count 119 transition count 329
Iterating global reduction 10 with 9 rules applied. Total rules applied 1670 place count 119 transition count 329
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1676 place count 119 transition count 323
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 11 with 37 rules applied. Total rules applied 1713 place count 119 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1714 place count 118 transition count 285
Applied a total of 1714 rules in 158 ms. Remains 118 /1567 variables (removed 1449) and now considering 285/2002 (removed 1717) transitions.
[2025-05-30 10:15:04] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
// Phase 1: matrix 226 rows 118 cols
[2025-05-30 10:15:04] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:04] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-05-30 10:15:04] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
[2025-05-30 10:15:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants and state equation in 141 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 195 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/1567 places, 285/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 116 transition count 284
Applied a total of 2 rules in 12 ms. Remains 116 /117 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
// Phase 1: matrix 225 rows 116 cols
[2025-05-30 10:15:05] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
[2025-05-30 10:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 166 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1567 places, 284/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 531 ms. Remains : 116/1567 places, 284/2002 transitions.
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-01
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-01 finished in 615 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)) U (p1 U p2)))'
Support contains 3 out of 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1902 edges and 1567 vertex of which 702 / 1567 are part of one of the 63 SCC in 3 ms
Free SCC test removed 639 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1441 edges and 928 vertex of which 919 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.7 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 507 transitions
Trivial Post-agglo rules discarded 507 transitions
Performed 507 trivial Post agglomeration. Transition count delta: 507
Iterating post reduction 0 with 507 rules applied. Total rules applied 509 place count 918 transition count 747
Reduce places removed 507 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 531 rules applied. Total rules applied 1040 place count 411 transition count 723
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 1053 place count 399 transition count 722
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1054 place count 398 transition count 722
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 44 Pre rules applied. Total rules applied 1054 place count 398 transition count 678
Deduced a syphon composed of 44 places in 1 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 4 with 88 rules applied. Total rules applied 1142 place count 354 transition count 678
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1160 place count 336 transition count 651
Iterating global reduction 4 with 18 rules applied. Total rules applied 1178 place count 336 transition count 651
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 4 with 4 rules applied. Total rules applied 1182 place count 336 transition count 647
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1185 place count 333 transition count 647
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1185 place count 333 transition count 646
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1187 place count 332 transition count 646
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1198 place count 321 transition count 630
Iterating global reduction 6 with 11 rules applied. Total rules applied 1209 place count 321 transition count 630
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1215 place count 321 transition count 624
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1218 place count 318 transition count 618
Iterating global reduction 7 with 3 rules applied. Total rules applied 1221 place count 318 transition count 618
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1223 place count 316 transition count 614
Iterating global reduction 7 with 2 rules applied. Total rules applied 1225 place count 316 transition count 614
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1227 place count 314 transition count 610
Iterating global reduction 7 with 2 rules applied. Total rules applied 1229 place count 314 transition count 610
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1231 place count 312 transition count 606
Iterating global reduction 7 with 2 rules applied. Total rules applied 1233 place count 312 transition count 606
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1235 place count 310 transition count 602
Iterating global reduction 7 with 2 rules applied. Total rules applied 1237 place count 310 transition count 602
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1239 place count 308 transition count 588
Iterating global reduction 7 with 2 rules applied. Total rules applied 1241 place count 308 transition count 588
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 1 rules applied. Total rules applied 1242 place count 308 transition count 587
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1243 place count 307 transition count 587
Performed 145 Post agglomeration using F-continuation condition with reduction of 81 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 9 with 290 rules applied. Total rules applied 1533 place count 162 transition count 361
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 16 rules applied. Total rules applied 1549 place count 162 transition count 345
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1551 place count 161 transition count 344
Discarding 4 places :
Symmetric choice reduction at 11 with 4 rule applications. Total rules 1555 place count 157 transition count 339
Iterating global reduction 11 with 4 rules applied. Total rules applied 1559 place count 157 transition count 339
Performed 10 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 11 with 20 rules applied. Total rules applied 1579 place count 147 transition count 327
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 11 with 8 rules applied. Total rules applied 1587 place count 147 transition count 319
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 12 with 34 rules applied. Total rules applied 1621 place count 130 transition count 365
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 1638 place count 130 transition count 348
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1647 place count 121 transition count 330
Iterating global reduction 13 with 9 rules applied. Total rules applied 1656 place count 121 transition count 330
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1662 place count 121 transition count 324
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 14 with 37 rules applied. Total rules applied 1699 place count 121 transition count 287
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 14 with 4 rules applied. Total rules applied 1703 place count 121 transition count 287
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 1704 place count 121 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1705 place count 120 transition count 285
Applied a total of 1705 rules in 149 ms. Remains 120 /1567 variables (removed 1447) and now considering 285/2002 (removed 1717) transitions.
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
// Phase 1: matrix 226 rows 120 cols
[2025-05-30 10:15:05] [INFO ] Computed 0 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
[2025-05-30 10:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants and state equation in 204 ms returned [45]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 259 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/1567 places, 285/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 118 transition count 284
Applied a total of 2 rules in 9 ms. Remains 118 /119 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
// Phase 1: matrix 225 rows 118 cols
[2025-05-30 10:15:05] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 10:15:05] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
[2025-05-30 10:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:05] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:15:05] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 118/1567 places, 284/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 582 ms. Remains : 118/1567 places, 284/2002 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p2), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-02
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-02 finished in 686 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(!p0) U G(p1)) U X((p2 U X(p3)))))'
Support contains 3 out of 1567 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1549 transition count 1984
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1549 transition count 1984
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 50 place count 1535 transition count 1969
Iterating global reduction 0 with 14 rules applied. Total rules applied 64 place count 1535 transition count 1969
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 72 place count 1527 transition count 1959
Iterating global reduction 0 with 8 rules applied. Total rules applied 80 place count 1527 transition count 1959
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 82 place count 1527 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 86 place count 1523 transition count 1951
Iterating global reduction 1 with 4 rules applied. Total rules applied 90 place count 1523 transition count 1951
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 94 place count 1519 transition count 1947
Iterating global reduction 1 with 4 rules applied. Total rules applied 98 place count 1519 transition count 1947
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 99 place count 1519 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 101 place count 1517 transition count 1944
Iterating global reduction 2 with 2 rules applied. Total rules applied 103 place count 1517 transition count 1944
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 105 place count 1515 transition count 1942
Iterating global reduction 2 with 2 rules applied. Total rules applied 107 place count 1515 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 109 place count 1513 transition count 1939
Iterating global reduction 2 with 2 rules applied. Total rules applied 111 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 112 place count 1512 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 113 place count 1512 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 114 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 115 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 116 place count 1510 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 117 place count 1510 transition count 1934
Applied a total of 117 rules in 703 ms. Remains 1510 /1567 variables (removed 57) and now considering 1934/2002 (removed 68) transitions.
// Phase 1: matrix 1934 rows 1510 cols
[2025-05-30 10:15:06] [INFO ] Computed 4 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:07] [INFO ] Implicit Places using invariants in 219 ms returned []
[2025-05-30 10:15:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:15:07] [INFO ] Implicit Places using invariants and state equation in 910 ms returned []
Implicit Place search using SMT with State Equation took 1131 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2025-05-30 10:15:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 1933/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1933 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60472ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60481ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1567 places, 1934/2002 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62331 ms. Remains : 1510/1567 places, 1934/2002 transitions.
Stuttering acceptance computed with spot in 835 ms :[(NOT p3), (NOT p3), (AND p0 p1 (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p3), (NOT p3), true, (AND p1 p0 (NOT p3)), (AND p0 p1 (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p3), (AND p1 p0), (NOT p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-03
Product exploration explored 100000 steps with 28557 reset in 426 ms.
Product exploration explored 100000 steps with 28551 reset in 409 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2117 edges and 1510 vertex of which 1501 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.11 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0 p2))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND p1 (NOT p0) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p0) p2))), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (NOT p2)), (X (OR p1 (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p1 p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 p0 p2 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 (NOT p0) p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (NOT p3))), (X (X (NOT (AND p1 p0 (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (OR (AND p1 (NOT p3)) (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 p0 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 42 factoid took 304 ms. Reduced automaton from 19 states, 62 edges and 4 AP (stutter sensitive) to 15 states, 41 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 630 ms :[(NOT p3), (NOT p3), (NOT p3), (NOT p3), true, (AND p0 p1 (NOT p3)), (AND p0 p1 (NOT p3)), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3))), (NOT p3), (AND p0 p1), (NOT p1), (NOT p1)]
Reduction of identical properties reduced properties to check from 28 to 21
RANDOM walk for 40000 steps (466 resets) in 540 ms. (73 steps per ms) remains 14/21 properties
BEST_FIRST walk for 40001 steps (176 resets) in 205 ms. (194 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (193 resets) in 330 ms. (120 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (159 resets) in 144 ms. (275 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (190 resets) in 101 ms. (392 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (161 resets) in 213 ms. (186 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (162 resets) in 118 ms. (336 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (182 resets) in 91 ms. (434 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (181 resets) in 105 ms. (377 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40000 steps (178 resets) in 113 ms. (350 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (174 resets) in 89 ms. (444 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (207 resets) in 132 ms. (300 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (158 resets) in 143 ms. (277 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (179 resets) in 135 ms. (294 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (189 resets) in 96 ms. (412 steps per ms) remains 14/14 properties
[2025-05-30 10:16:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf1 is UNSAT
Problem apf12 is UNSAT
Problem apf22 is UNSAT
Problem apf23 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 819/822 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/822 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 677/1499 variables, 2/4 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1499 variables, 0/4 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 1924/3423 variables, 1499/1503 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3423 variables, 0/1503 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/3425 variables, 1/1504 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3425 variables, 0/1504 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 2/3427 variables, 1/1505 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3427 variables, 0/1505 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 2/3429 variables, 1/1506 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3429 variables, 0/1506 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 2/3431 variables, 1/1507 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 4 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3435/3444 variables, and 1509 constraints, problems are : Problem set: 4 solved, 10 unsolved in 5025 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1505/1510 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 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: 4 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 819/822 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/822 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 677/1499 variables, 2/4 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1499 variables, 0/4 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 1924/3423 variables, 1499/1503 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3423 variables, 10/1513 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3423 variables, 0/1513 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 2/3425 variables, 1/1514 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3425 variables, 0/1514 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/3427 variables, 1/1515 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3427 variables, 0/1515 constraints. Problems are: Problem set: 4 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 2/3429 variables, 1/1516 constraints. Problems are: Problem set: 4 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3429/3444 variables, and 1516 constraints, problems are : Problem set: 4 solved, 10 unsolved in 5019 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1502/1510 constraints, PredecessorRefiner: 10/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10067ms problems are : Problem set: 4 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 out of 1510 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1510/1510 places, 1934/1934 transitions.
Graph (trivial) has 1836 edges and 1510 vertex of which 686 / 1510 are part of one of the 63 SCC in 1 ms
Free SCC test removed 623 places
Drop transitions (Empty/Sink Transition effects.) removed 785 transitions
Reduce isomorphic transitions removed 785 transitions.
Graph (complete) has 1327 edges and 887 vertex of which 878 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 489 transitions
Trivial Post-agglo rules discarded 489 transitions
Performed 489 trivial Post agglomeration. Transition count delta: 489
Iterating post reduction 0 with 496 rules applied. Total rules applied 498 place count 878 transition count 649
Reduce places removed 489 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 549 rules applied. Total rules applied 1047 place count 389 transition count 589
Reduce places removed 39 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 40 rules applied. Total rules applied 1087 place count 350 transition count 588
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1088 place count 349 transition count 588
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 50 Pre rules applied. Total rules applied 1088 place count 349 transition count 538
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 4 with 100 rules applied. Total rules applied 1188 place count 299 transition count 538
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 1199 place count 288 transition count 522
Iterating global reduction 4 with 11 rules applied. Total rules applied 1210 place count 288 transition count 522
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 1213 place count 288 transition count 519
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1216 place count 285 transition count 519
Discarding 8 places :
Symmetric choice reduction at 6 with 8 rule applications. Total rules 1224 place count 277 transition count 509
Iterating global reduction 6 with 8 rules applied. Total rules applied 1232 place count 277 transition count 509
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1238 place count 277 transition count 503
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1240 place count 275 transition count 491
Iterating global reduction 7 with 2 rules applied. Total rules applied 1242 place count 275 transition count 491
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 1 rules applied. Total rules applied 1243 place count 275 transition count 490
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1244 place count 274 transition count 490
Performed 145 Post agglomeration using F-continuation condition with reduction of 98 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 9 with 290 rules applied. Total rules applied 1534 place count 129 transition count 247
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 13 rules applied. Total rules applied 1547 place count 129 transition count 234
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1549 place count 128 transition count 233
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 1552 place count 125 transition count 230
Iterating global reduction 11 with 3 rules applied. Total rules applied 1555 place count 125 transition count 230
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 11 with 26 rules applied. Total rules applied 1581 place count 112 transition count 214
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 1596 place count 112 transition count 199
Performed 32 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 12 with 64 rules applied. Total rules applied 1660 place count 80 transition count 246
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 12 with 55 rules applied. Total rules applied 1715 place count 80 transition count 191
Discarding 22 places :
Symmetric choice reduction at 13 with 22 rule applications. Total rules 1737 place count 58 transition count 169
Iterating global reduction 13 with 22 rules applied. Total rules applied 1759 place count 58 transition count 169
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 13 with 15 rules applied. Total rules applied 1774 place count 58 transition count 154
Discarding 4 places :
Symmetric choice reduction at 14 with 4 rule applications. Total rules 1778 place count 54 transition count 146
Iterating global reduction 14 with 4 rules applied. Total rules applied 1782 place count 54 transition count 146
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 1786 place count 54 transition count 142
Drop transitions (Redundant composition of simpler transitions.) removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 15 with 32 rules applied. Total rules applied 1818 place count 54 transition count 110
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 1821 place count 51 transition count 101
Iterating global reduction 15 with 3 rules applied. Total rules applied 1824 place count 51 transition count 101
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 1827 place count 48 transition count 98
Iterating global reduction 15 with 3 rules applied. Total rules applied 1830 place count 48 transition count 98
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 1836 place count 48 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 16 with 3 rules applied. Total rules applied 1839 place count 48 transition count 89
Free-agglomeration rule applied 3 times.
Iterating global reduction 16 with 3 rules applied. Total rules applied 1842 place count 48 transition count 86
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 16 with 3 rules applied. Total rules applied 1845 place count 45 transition count 86
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 1846 place count 45 transition count 86
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1847 place count 44 transition count 85
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 41 edges and 43 vertex of which 27 / 43 are part of one of the 9 SCC in 0 ms
Free SCC test removed 18 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 17 with 3 rules applied. Total rules applied 1850 place count 25 transition count 84
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 29 transitions
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 18 with 44 rules applied. Total rules applied 1894 place count 24 transition count 41
Discarding 3 places :
Symmetric choice reduction at 19 with 3 rule applications. Total rules 1897 place count 21 transition count 38
Iterating global reduction 19 with 3 rules applied. Total rules applied 1900 place count 21 transition count 38
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 19 with 6 rules applied. Total rules applied 1906 place count 18 transition count 35
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 19 with 11 rules applied. Total rules applied 1917 place count 18 transition count 24
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 1919 place count 18 transition count 22
Free-agglomeration rule applied 2 times.
Iterating global reduction 20 with 2 rules applied. Total rules applied 1921 place count 18 transition count 20
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 1923 place count 16 transition count 20
Applied a total of 1923 rules in 90 ms. Remains 16 /1510 variables (removed 1494) and now considering 20/1934 (removed 1914) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 16/1510 places, 20/1934 transitions.
RANDOM walk for 288 steps (24 resets) in 5 ms. (48 steps per ms) remains 0/10 properties
Found 4 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), (X (NOT (AND p1 p0 p2))), (X (AND (NOT p1) (NOT p0) (NOT p2))), (X (AND (NOT p1) (NOT p0))), (X (NOT (AND p1 (NOT p0) p2))), (X (AND (NOT p1) (NOT p2))), (X (NOT (AND (NOT p1) (NOT p0) p2))), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND p1 (NOT p0) (NOT p2)))), (X (AND (NOT p0) (NOT p2))), (X (NOT (AND p1 (NOT p2)))), (X (NOT p2)), (X (OR p1 (NOT p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND p1 p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p0 (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 p0 p2 (NOT p3))))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 (NOT p0) p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND p1 (NOT p2) (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (NOT p3))), (X (X (NOT (AND p1 p0 (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (AND (NOT p1) (NOT p0) (NOT p3)))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (OR (AND p1 (NOT p3)) (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 p0 (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) p2 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1))), (G (OR p0 p1 (NOT p2) p3)), (G (OR (NOT p0) (NOT p1) p2 p3)), (G (OR p0 (NOT p1) (NOT p2) p3)), (G (OR (NOT p0) p1 p2 p3))]
False Knowledge obtained : [(F (NOT (OR (AND (NOT p0) (NOT p3)) (AND p1 (NOT p3))))), (F (NOT (AND (NOT p1) (NOT p3)))), (F p0), (F (NOT (OR (NOT p2) p3))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1) p2 p3))), (F (NOT (OR (NOT p0) p1 p3))), (F p2), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (NOT (AND (NOT p0) (NOT p1) (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p3)))), (F (NOT (OR (NOT p0) (NOT p1) p3))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p1) p3))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR p0 (NOT p1) p3))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2) (NOT p3)))), (F p3), (F (NOT (OR (NOT p1) p2 p3))), (F (NOT (OR (NOT p0) (NOT p1) (NOT p2) p3))), (F (NOT (OR p0 (NOT p1))))]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 46 factoid took 365 ms. Reduced automaton from 15 states, 41 edges and 4 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-319-LTLFireability-03 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-319-LTLFireability-03 finished in 76656 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)&&F(G((p1&&(p2 U (p3||G(p2)))))))))'
Support contains 5 out of 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1895 edges and 1567 vertex of which 702 / 1567 are part of one of the 63 SCC in 3 ms
Free SCC test removed 639 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1441 edges and 928 vertex of which 919 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 501 transitions
Trivial Post-agglo rules discarded 501 transitions
Performed 501 trivial Post agglomeration. Transition count delta: 501
Iterating post reduction 0 with 501 rules applied. Total rules applied 503 place count 918 transition count 753
Reduce places removed 501 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 525 rules applied. Total rules applied 1028 place count 417 transition count 729
Reduce places removed 12 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 15 rules applied. Total rules applied 1043 place count 405 transition count 726
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1046 place count 402 transition count 726
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1046 place count 402 transition count 680
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 1138 place count 356 transition count 680
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 1157 place count 337 transition count 651
Iterating global reduction 4 with 19 rules applied. Total rules applied 1176 place count 337 transition count 651
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 4 with 4 rules applied. Total rules applied 1180 place count 337 transition count 647
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1183 place count 334 transition count 647
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 1195 place count 322 transition count 630
Iterating global reduction 6 with 12 rules applied. Total rules applied 1207 place count 322 transition count 630
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1213 place count 322 transition count 624
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1217 place count 318 transition count 616
Iterating global reduction 7 with 4 rules applied. Total rules applied 1221 place count 318 transition count 616
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1224 place count 315 transition count 610
Iterating global reduction 7 with 3 rules applied. Total rules applied 1227 place count 315 transition count 610
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1228 place count 315 transition count 609
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1230 place count 313 transition count 605
Iterating global reduction 8 with 2 rules applied. Total rules applied 1232 place count 313 transition count 605
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1234 place count 311 transition count 601
Iterating global reduction 8 with 2 rules applied. Total rules applied 1236 place count 311 transition count 601
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1238 place count 309 transition count 597
Iterating global reduction 8 with 2 rules applied. Total rules applied 1240 place count 309 transition count 597
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1242 place count 307 transition count 583
Iterating global reduction 8 with 2 rules applied. Total rules applied 1244 place count 307 transition count 583
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 1 rules applied. Total rules applied 1245 place count 307 transition count 582
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1246 place count 306 transition count 582
Performed 141 Post agglomeration using F-continuation condition with reduction of 82 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Reduce places removed 141 places and 0 transitions.
Iterating global reduction 10 with 282 rules applied. Total rules applied 1528 place count 165 transition count 359
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 11 rules applied. Total rules applied 1539 place count 165 transition count 348
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1541 place count 164 transition count 347
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 1545 place count 160 transition count 342
Iterating global reduction 12 with 4 rules applied. Total rules applied 1549 place count 160 transition count 342
Performed 11 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 12 with 22 rules applied. Total rules applied 1571 place count 149 transition count 328
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 1581 place count 149 transition count 318
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 13 with 34 rules applied. Total rules applied 1615 place count 132 transition count 364
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 13 with 17 rules applied. Total rules applied 1632 place count 132 transition count 347
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1641 place count 123 transition count 329
Iterating global reduction 14 with 9 rules applied. Total rules applied 1650 place count 123 transition count 329
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1656 place count 123 transition count 323
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 15 with 36 rules applied. Total rules applied 1692 place count 123 transition count 287
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1693 place count 123 transition count 287
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 1694 place count 123 transition count 286
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1695 place count 122 transition count 285
Applied a total of 1695 rules in 86 ms. Remains 122 /1567 variables (removed 1445) and now considering 285/2002 (removed 1717) transitions.
[2025-05-30 10:16:22] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
// Phase 1: matrix 226 rows 122 cols
[2025-05-30 10:16:22] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-30 10:16:22] [INFO ] Flow matrix only has 226 transitions (discarded 59 similar events)
[2025-05-30 10:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:22] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:16:23] [INFO ] Implicit Places using invariants and state equation in 295 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 341 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 121/1567 places, 285/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 120 transition count 284
Applied a total of 2 rules in 11 ms. Remains 120 /121 variables (removed 1) and now considering 284/285 (removed 1) transitions.
[2025-05-30 10:16:23] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
// Phase 1: matrix 225 rows 120 cols
[2025-05-30 10:16:23] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:23] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 10:16:23] [INFO ] Flow matrix only has 225 transitions (discarded 59 similar events)
[2025-05-30 10:16:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:16:23] [INFO ] Implicit Places using invariants and state equation in 310 ms returned []
Implicit Place search using SMT with State Equation took 351 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/1567 places, 284/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 790 ms. Remains : 120/1567 places, 284/2002 transitions.
Stuttering acceptance computed with spot in 182 ms :[(OR (NOT p0) (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-05
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-05 finished in 998 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)||F((G(F((p1 U (G(p1)||(p1&&G(p2))))))||(p1&&F((p1 U (G(p1)||(p1&&G(p2)))))&&X((p1 U (p3||G(p1))))))))))'
Support contains 4 out of 1567 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1550 transition count 1985
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1550 transition count 1985
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 49 place count 1535 transition count 1969
Iterating global reduction 0 with 15 rules applied. Total rules applied 64 place count 1535 transition count 1969
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 72 place count 1527 transition count 1959
Iterating global reduction 0 with 8 rules applied. Total rules applied 80 place count 1527 transition count 1959
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 82 place count 1527 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 86 place count 1523 transition count 1951
Iterating global reduction 1 with 4 rules applied. Total rules applied 90 place count 1523 transition count 1951
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 94 place count 1519 transition count 1947
Iterating global reduction 1 with 4 rules applied. Total rules applied 98 place count 1519 transition count 1947
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 99 place count 1519 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 101 place count 1517 transition count 1944
Iterating global reduction 2 with 2 rules applied. Total rules applied 103 place count 1517 transition count 1944
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 105 place count 1515 transition count 1942
Iterating global reduction 2 with 2 rules applied. Total rules applied 107 place count 1515 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 109 place count 1513 transition count 1939
Iterating global reduction 2 with 2 rules applied. Total rules applied 111 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 112 place count 1512 transition count 1937
Iterating global reduction 2 with 1 rules applied. Total rules applied 113 place count 1512 transition count 1937
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 114 place count 1511 transition count 1935
Iterating global reduction 2 with 1 rules applied. Total rules applied 115 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 116 place count 1510 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 117 place count 1510 transition count 1934
Applied a total of 117 rules in 679 ms. Remains 1510 /1567 variables (removed 57) and now considering 1934/2002 (removed 68) transitions.
// Phase 1: matrix 1934 rows 1510 cols
[2025-05-30 10:16:24] [INFO ] Computed 4 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:24] [INFO ] Implicit Places using invariants in 237 ms returned []
[2025-05-30 10:16:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:16:25] [INFO ] Implicit Places using invariants and state equation in 999 ms returned []
Implicit Place search using SMT with State Equation took 1239 ms to find 0 implicit places.
Running 1933 sub problems to find dead transitions.
[2025-05-30 10:16:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s519 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 1933/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1933 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1933 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3444 variables, and 4 constraints, problems are : Problem set: 0 solved, 1933 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/1933 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60572ms problems are : Problem set: 0 solved, 1933 unsolved
Search for dead transitions found 0 dead transitions in 60574ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1567 places, 1934/2002 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62501 ms. Remains : 1510/1567 places, 1934/2002 transitions.
Stuttering acceptance computed with spot in 402 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p3), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p0) p3), (NOT p1), (AND (NOT p2) (NOT p1)), false, (AND (NOT p1) (NOT p3))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-06
Product exploration explored 100000 steps with 33333 reset in 321 ms.
Product exploration explored 100000 steps with 33333 reset in 339 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2117 edges and 1510 vertex of which 1501 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.10 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p2 p1 p0 p3), (X p2), (X (AND p2 p1)), (X (NOT (AND (NOT p2) p1))), (X p1), (X (X p2)), (X (X p3)), (X (X (NOT (OR (AND (NOT p2) (NOT p0)) (AND (NOT p1) (NOT p0)))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 p1 (NOT p0))))), (X (X (NOT (OR (AND (NOT p2) p1 (NOT p0)) (AND (NOT p1) (NOT p0) p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p3))))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (OR (AND (NOT p2) p1 (NOT p0)) (AND (NOT p2) (NOT p0) p3))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 12 ms. Reduced automaton from 10 states, 28 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-319-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-319-LTLFireability-06 finished in 63636 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((((p0||X((X(p1) U (p0&&X(p1))))) U X(p2))||(p3&&F(p4)))))'
Support contains 4 out of 1567 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1549 transition count 1984
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1549 transition count 1984
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 51 place count 1534 transition count 1968
Iterating global reduction 0 with 15 rules applied. Total rules applied 66 place count 1534 transition count 1968
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 74 place count 1526 transition count 1958
Iterating global reduction 0 with 8 rules applied. Total rules applied 82 place count 1526 transition count 1958
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 84 place count 1526 transition count 1956
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 88 place count 1522 transition count 1950
Iterating global reduction 1 with 4 rules applied. Total rules applied 92 place count 1522 transition count 1950
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 96 place count 1518 transition count 1946
Iterating global reduction 1 with 4 rules applied. Total rules applied 100 place count 1518 transition count 1946
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 101 place count 1518 transition count 1945
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 103 place count 1516 transition count 1943
Iterating global reduction 2 with 2 rules applied. Total rules applied 105 place count 1516 transition count 1943
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 107 place count 1514 transition count 1941
Iterating global reduction 2 with 2 rules applied. Total rules applied 109 place count 1514 transition count 1941
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 111 place count 1512 transition count 1938
Iterating global reduction 2 with 2 rules applied. Total rules applied 113 place count 1512 transition count 1938
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 114 place count 1511 transition count 1936
Iterating global reduction 2 with 1 rules applied. Total rules applied 115 place count 1511 transition count 1936
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 116 place count 1510 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 117 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 118 place count 1509 transition count 1933
Iterating global reduction 2 with 1 rules applied. Total rules applied 119 place count 1509 transition count 1933
Applied a total of 119 rules in 709 ms. Remains 1509 /1567 variables (removed 58) and now considering 1933/2002 (removed 69) transitions.
// Phase 1: matrix 1933 rows 1509 cols
[2025-05-30 10:17:28] [INFO ] Computed 4 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:17:28] [INFO ] Implicit Places using invariants in 226 ms returned []
[2025-05-30 10:17:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:17:29] [INFO ] Implicit Places using invariants and state equation in 885 ms returned []
Implicit Place search using SMT with State Equation took 1145 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2025-05-30 10:17:29] [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, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
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, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60440ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60443ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1567 places, 1933/2002 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62303 ms. Remains : 1509/1567 places, 1933/2002 transitions.
Stuttering acceptance computed with spot in 418 ms :[(OR (AND (NOT p2) (NOT p3)) (AND (NOT p2) (NOT p4))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (NOT p2), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p2) (NOT p4))), (AND (NOT p2) (NOT p4)), (NOT p1), (OR (NOT p0) (NOT p1)), true, (OR (AND (NOT p1) (NOT p4)) (AND (NOT p0) (NOT p4))), (AND (NOT p4) (NOT p1)), (NOT p4)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-08
Stuttering criterion allowed to conclude after 2329 steps with 284 reset in 6 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-08 finished in 62799 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 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1905 edges and 1567 vertex of which 688 / 1567 are part of one of the 62 SCC in 1 ms
Free SCC test removed 626 places
Ensure Unique test removed 725 transitions
Reduce isomorphic transitions removed 725 transitions.
Graph (complete) has 1458 edges and 941 vertex of which 932 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 515 transitions
Trivial Post-agglo rules discarded 515 transitions
Performed 515 trivial Post agglomeration. Transition count delta: 515
Iterating post reduction 0 with 515 rules applied. Total rules applied 517 place count 931 transition count 756
Reduce places removed 515 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 541 rules applied. Total rules applied 1058 place count 416 transition count 730
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 15 rules applied. Total rules applied 1073 place count 403 transition count 728
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1076 place count 402 transition count 726
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 1078 place count 401 transition count 725
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 5 with 3 rules applied. Total rules applied 1081 place count 400 transition count 723
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1082 place count 399 transition count 723
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 45 Pre rules applied. Total rules applied 1082 place count 399 transition count 678
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 7 with 90 rules applied. Total rules applied 1172 place count 354 transition count 678
Discarding 20 places :
Symmetric choice reduction at 7 with 20 rule applications. Total rules 1192 place count 334 transition count 648
Iterating global reduction 7 with 20 rules applied. Total rules applied 1212 place count 334 transition count 648
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 7 with 4 rules applied. Total rules applied 1216 place count 334 transition count 644
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 1219 place count 331 transition count 644
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 1219 place count 331 transition count 643
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 1221 place count 330 transition count 643
Discarding 12 places :
Symmetric choice reduction at 9 with 12 rule applications. Total rules 1233 place count 318 transition count 626
Iterating global reduction 9 with 12 rules applied. Total rules applied 1245 place count 318 transition count 626
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1251 place count 318 transition count 620
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 1255 place count 314 transition count 612
Iterating global reduction 10 with 4 rules applied. Total rules applied 1259 place count 314 transition count 612
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1262 place count 311 transition count 606
Iterating global reduction 10 with 3 rules applied. Total rules applied 1265 place count 311 transition count 606
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1266 place count 311 transition count 605
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1267 place count 310 transition count 603
Iterating global reduction 11 with 1 rules applied. Total rules applied 1268 place count 310 transition count 603
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1269 place count 309 transition count 601
Iterating global reduction 11 with 1 rules applied. Total rules applied 1270 place count 309 transition count 601
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1271 place count 308 transition count 599
Iterating global reduction 11 with 1 rules applied. Total rules applied 1272 place count 308 transition count 599
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1273 place count 307 transition count 592
Iterating global reduction 11 with 1 rules applied. Total rules applied 1274 place count 307 transition count 592
Performed 145 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 11 with 290 rules applied. Total rules applied 1564 place count 162 transition count 362
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 11 with 10 rules applied. Total rules applied 1574 place count 162 transition count 352
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 1578 place count 158 transition count 347
Iterating global reduction 12 with 4 rules applied. Total rules applied 1582 place count 158 transition count 347
Performed 12 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 12 with 24 rules applied. Total rules applied 1606 place count 146 transition count 332
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 12 with 12 rules applied. Total rules applied 1618 place count 146 transition count 320
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 1619 place count 145 transition count 318
Iterating global reduction 13 with 1 rules applied. Total rules applied 1620 place count 145 transition count 318
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -54
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 13 with 36 rules applied. Total rules applied 1656 place count 127 transition count 372
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 13 with 26 rules applied. Total rules applied 1682 place count 127 transition count 346
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1691 place count 118 transition count 328
Iterating global reduction 14 with 9 rules applied. Total rules applied 1700 place count 118 transition count 328
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1706 place count 118 transition count 322
Drop transitions (Redundant composition of simpler transitions.) removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 15 with 38 rules applied. Total rules applied 1744 place count 118 transition count 284
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1745 place count 117 transition count 283
Applied a total of 1745 rules in 78 ms. Remains 117 /1567 variables (removed 1450) and now considering 283/2002 (removed 1719) transitions.
[2025-05-30 10:18:30] [INFO ] Flow matrix only has 225 transitions (discarded 58 similar events)
// Phase 1: matrix 225 rows 117 cols
[2025-05-30 10:18:30] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:30] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-05-30 10:18:30] [INFO ] Flow matrix only has 225 transitions (discarded 58 similar events)
[2025-05-30 10:18:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:30] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:18:30] [INFO ] Implicit Places using invariants and state equation in 412 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 505 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1567 places, 283/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 115 transition count 282
Applied a total of 2 rules in 5 ms. Remains 115 /116 variables (removed 1) and now considering 282/283 (removed 1) transitions.
[2025-05-30 10:18:30] [INFO ] Flow matrix only has 224 transitions (discarded 58 similar events)
// Phase 1: matrix 224 rows 115 cols
[2025-05-30 10:18:30] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:30] [INFO ] Implicit Places using invariants in 78 ms returned []
[2025-05-30 10:18:30] [INFO ] Flow matrix only has 224 transitions (discarded 58 similar events)
[2025-05-30 10:18:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:30] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:18:30] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 231 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 115/1567 places, 282/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 819 ms. Remains : 115/1567 places, 282/2002 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-09 finished in 867 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' '!(((p0&&(X(p1) U ((p2&&X(p1))||X(G(p1))))) U (G((p0&&(X(p1) U ((p2&&X(p1))||X(G(p1))))))||(p0&&(p3 U (G(p3)||(p3&&G(p4))))&&(X(p1) U ((p2&&X(p1))||X(G(p1))))))))'
Support contains 5 out of 1567 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1550 transition count 1985
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1550 transition count 1985
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 48 place count 1536 transition count 1971
Iterating global reduction 0 with 14 rules applied. Total rules applied 62 place count 1536 transition count 1971
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 69 place count 1529 transition count 1962
Iterating global reduction 0 with 7 rules applied. Total rules applied 76 place count 1529 transition count 1962
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 77 place count 1529 transition count 1961
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 81 place count 1525 transition count 1955
Iterating global reduction 1 with 4 rules applied. Total rules applied 85 place count 1525 transition count 1955
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 89 place count 1521 transition count 1951
Iterating global reduction 1 with 4 rules applied. Total rules applied 93 place count 1521 transition count 1951
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 94 place count 1521 transition count 1950
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 96 place count 1519 transition count 1948
Iterating global reduction 2 with 2 rules applied. Total rules applied 98 place count 1519 transition count 1948
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 100 place count 1517 transition count 1946
Iterating global reduction 2 with 2 rules applied. Total rules applied 102 place count 1517 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 104 place count 1515 transition count 1943
Iterating global reduction 2 with 2 rules applied. Total rules applied 106 place count 1515 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 107 place count 1514 transition count 1941
Iterating global reduction 2 with 1 rules applied. Total rules applied 108 place count 1514 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 109 place count 1513 transition count 1939
Iterating global reduction 2 with 1 rules applied. Total rules applied 110 place count 1513 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 111 place count 1512 transition count 1938
Iterating global reduction 2 with 1 rules applied. Total rules applied 112 place count 1512 transition count 1938
Applied a total of 112 rules in 666 ms. Remains 1512 /1567 variables (removed 55) and now considering 1938/2002 (removed 64) transitions.
// Phase 1: matrix 1938 rows 1512 cols
[2025-05-30 10:18:31] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:31] [INFO ] Implicit Places using invariants in 234 ms returned []
[2025-05-30 10:18:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:18:32] [INFO ] Implicit Places using invariants and state equation in 998 ms returned []
Implicit Place search using SMT with State Equation took 1234 ms to find 0 implicit places.
Running 1937 sub problems to find dead transitions.
[2025-05-30 10:18:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3450 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 1937/1937 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1937 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3450 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1937 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60417ms problems are : Problem set: 0 solved, 1937 unsolved
Search for dead transitions found 0 dead transitions in 60419ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1567 places, 1938/2002 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62328 ms. Remains : 1512/1567 places, 1938/2002 transitions.
Stuttering acceptance computed with spot in 551 ms :[(OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p3) (NOT p4))), (NOT p3), (AND (NOT p3) (NOT p4)), (AND p0 (NOT p1) (NOT p3)), (AND (NOT p3) (NOT p4) p0 (NOT p1)), (NOT p4), (AND (NOT p4) (NOT p1)), (AND (NOT p1) (NOT p4)), (OR (AND (NOT p0) p1 (NOT p4)) (AND p0 (NOT p1) (NOT p4)))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-10
Product exploration explored 100000 steps with 33247 reset in 337 ms.
Product exploration explored 100000 steps with 33211 reset in 327 ms.
Computed a total of 29 stabilizing places and 33 stable transitions
Graph (complete) has 2121 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.9 ms
Computed a total of 29 stabilizing places and 33 stable transitions
Knowledge obtained : [(AND p0 p3 p2 p4 p1), (X p2), (X p3), (X (NOT (AND (NOT p0) (NOT p4) p3))), (X (NOT (AND (NOT p0) p4 p3))), (X p4), (X (AND p0 p4 p3)), (X (NOT (AND p0 (NOT p4) p3))), (X (NOT (AND p0 (NOT p2) (NOT p3)))), (X p1), (X (NOT (AND p0 (NOT p2) (NOT p4) (NOT p3)))), (X (NOT (AND p0 p4 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p4) (NOT p3)))), (X (NOT (AND (NOT p0) p4 (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p0 (NOT p3)))), (X (NOT (AND p0 (NOT p4) (NOT p3)))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (X p2)), (X (X (NOT (AND p0 (NOT p4))))), (X (X p3)), (X (X p4)), (X (X (NOT (AND p0 (NOT p2) p4 p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 p4 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p4) (NOT p3))))), (X (X (NOT (AND (NOT p0) p4 (NOT p3))))), (X (X (NOT (AND (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p4))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p4) p3 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p4) p3)))), (X (X (NOT (AND (NOT p0) p4 p3)))), (X (X (NOT (AND (NOT p4) p3)))), (X (X (AND p4 p3))), (X (X (AND p0 p4 p3))), (X (X (NOT (AND p0 (NOT p4) p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X p1)), (X (X (NOT (AND p0 p4 (NOT p3) (NOT p1))))), (X (X (NOT (AND p4 (NOT p1))))), (X (X (NOT (AND p0 (NOT p4) (NOT p3) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p4 (NOT p3))))), (X (X (AND p0 p4))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p4 p1)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND (NOT p4) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p4) p1)))), (X (X (NOT (AND p0 (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 p4 p3 (NOT p1))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p3) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 58 factoid took 197 ms. Reduced automaton from 14 states, 66 edges and 5 AP (stutter sensitive) to 14 states, 66 edges and 5 AP (stutter sensitive).
Stuttering acceptance computed with spot in 526 ms :[(OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p3) (NOT p4))), (NOT p3), (AND (NOT p3) (NOT p4)), (AND p0 (NOT p1) (NOT p3)), (AND (NOT p3) (NOT p4) p0 (NOT p1)), (NOT p4), (AND (NOT p4) (NOT p1)), (AND (NOT p1) (NOT p4)), (OR (AND (NOT p0) p1 (NOT p4)) (AND p0 (NOT p1) (NOT p4)))]
RANDOM walk for 40000 steps (473 resets) in 364 ms. (109 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (17 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (21 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (18 resets) in 16 ms. (235 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (20 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (21 resets) in 23 ms. (166 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (20 resets) in 17 ms. (222 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (20 resets) in 57 ms. (69 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (18 resets) in 20 ms. (190 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (19 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (15 resets) in 19 ms. (200 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (18 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (18 resets) in 34 ms. (114 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (21 resets) in 17 ms. (222 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (17 resets) in 18 ms. (210 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (13 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (17 resets) in 24 ms. (160 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (17 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (20 resets) in 28 ms. (138 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (17 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (17 resets) in 49 ms. (80 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (16 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (20 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (12 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (22 resets) in 38 ms. (102 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (15 resets) in 34 ms. (114 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (19 resets) in 13 ms. (285 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (14 resets) in 30 ms. (129 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (20 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (18 resets) in 13 ms. (285 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (20 resets) in 31 ms. (125 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (22 resets) in 13 ms. (285 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (17 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (15 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (25 resets) in 18 ms. (210 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (15 resets) in 27 ms. (142 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (16 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (21 resets) in 17 ms. (222 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (19 resets) in 31 ms. (125 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (15 resets) in 13 ms. (286 steps per ms) remains 39/39 properties
Interrupted probabilistic random walk after 188900 steps, run timeout after 3001 ms. (steps per millisecond=62 ) properties seen :0 out of 39
Probabilistic random walk after 188900 steps, saw 59633 distinct states, run finished after 3007 ms. (steps per millisecond=62 ) properties seen :0
[2025-05-30 10:19:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (OVERLAPS) 1095/1100 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1100 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 401/1501 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1501 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 1928/3429 variables, 1501/1505 constraints. Problems are: Problem set: 0 solved, 39 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/3429 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 39 unsolved
SMT process timed out in 5039ms, After SMT, problems are : Problem set: 0 solved, 39 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 1512 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1512/1512 places, 1938/1938 transitions.
Graph (trivial) has 1835 edges and 1512 vertex of which 680 / 1512 are part of one of the 63 SCC in 1 ms
Free SCC test removed 617 places
Drop transitions (Empty/Sink Transition effects.) removed 779 transitions
Reduce isomorphic transitions removed 779 transitions.
Graph (complete) has 1337 edges and 895 vertex of which 886 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 492 transitions
Trivial Post-agglo rules discarded 492 transitions
Performed 492 trivial Post agglomeration. Transition count delta: 492
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 886 transition count 656
Reduce places removed 492 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 552 rules applied. Total rules applied 1053 place count 394 transition count 596
Reduce places removed 39 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 40 rules applied. Total rules applied 1093 place count 355 transition count 595
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 354 transition count 593
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 353 transition count 591
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1100 place count 352 transition count 591
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 50 Pre rules applied. Total rules applied 1100 place count 352 transition count 541
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 6 with 100 rules applied. Total rules applied 1200 place count 302 transition count 541
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1210 place count 292 transition count 527
Iterating global reduction 6 with 10 rules applied. Total rules applied 1220 place count 292 transition count 527
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 3 rules applied. Total rules applied 1223 place count 292 transition count 524
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 1226 place count 289 transition count 524
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 1233 place count 282 transition count 516
Iterating global reduction 8 with 7 rules applied. Total rules applied 1240 place count 282 transition count 516
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 1246 place count 282 transition count 510
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1247 place count 281 transition count 504
Iterating global reduction 9 with 1 rules applied. Total rules applied 1248 place count 281 transition count 504
Performed 147 Post agglomeration using F-continuation condition with reduction of 97 identical transitions.
Deduced a syphon composed of 147 places in 1 ms
Reduce places removed 147 places and 0 transitions.
Iterating global reduction 9 with 294 rules applied. Total rules applied 1542 place count 134 transition count 260
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1559 place count 134 transition count 243
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 1562 place count 131 transition count 240
Iterating global reduction 10 with 3 rules applied. Total rules applied 1565 place count 131 transition count 240
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 1591 place count 118 transition count 224
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 10 with 14 rules applied. Total rules applied 1605 place count 118 transition count 210
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 1607 place count 117 transition count 209
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1609 place count 117 transition count 207
Performed 31 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 12 with 62 rules applied. Total rules applied 1671 place count 86 transition count 251
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 12 with 42 rules applied. Total rules applied 1713 place count 86 transition count 209
Discarding 21 places :
Symmetric choice reduction at 13 with 21 rule applications. Total rules 1734 place count 65 transition count 180
Iterating global reduction 13 with 21 rules applied. Total rules applied 1755 place count 65 transition count 180
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 13 with 12 rules applied. Total rules applied 1767 place count 65 transition count 168
Discarding 5 places :
Symmetric choice reduction at 14 with 5 rule applications. Total rules 1772 place count 60 transition count 158
Iterating global reduction 14 with 5 rules applied. Total rules applied 1777 place count 60 transition count 158
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1782 place count 60 transition count 153
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 15 with 21 rules applied. Total rules applied 1803 place count 60 transition count 132
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 1805 place count 58 transition count 126
Iterating global reduction 15 with 2 rules applied. Total rules applied 1807 place count 58 transition count 126
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 1809 place count 56 transition count 124
Iterating global reduction 15 with 2 rules applied. Total rules applied 1811 place count 56 transition count 124
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 1815 place count 56 transition count 120
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 16 with 2 rules applied. Total rules applied 1817 place count 55 transition count 119
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 16 with 2 rules applied. Total rules applied 1819 place count 55 transition count 117
Free-agglomeration rule applied 3 times.
Iterating global reduction 16 with 3 rules applied. Total rules applied 1822 place count 55 transition count 114
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 1826 place count 52 transition count 113
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 1828 place count 52 transition count 113
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 1829 place count 52 transition count 112
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1830 place count 51 transition count 111
Applied a total of 1830 rules in 72 ms. Remains 51 /1512 variables (removed 1461) and now considering 111/1938 (removed 1827) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 51/1512 places, 111/1938 transitions.
RANDOM walk for 40000 steps (432 resets) in 807 ms. (49 steps per ms) remains 6/39 properties
BEST_FIRST walk for 40002 steps (8 resets) in 290 ms. (137 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (11 resets) in 94 ms. (421 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 58 ms. (677 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (9 resets) in 51 ms. (769 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (10 resets) in 36 ms. (1081 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (23 resets) in 29 ms. (1333 steps per ms) remains 6/6 properties
[2025-05-30 10:19:44] [INFO ] Flow matrix only has 104 transitions (discarded 7 similar events)
// Phase 1: matrix 104 rows 51 cols
[2025-05-30 10:19:44] [INFO ] Computed 4 invariants in 1 ms
[2025-05-30 10:19:44] [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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem apf9 is UNSAT
Problem apf27 is UNSAT
Problem apf28 is UNSAT
Problem apf31 is UNSAT
At refinement iteration 1 (OVERLAPS) 27/32 variables, 3/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 86/118 variables, 32/35 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/35 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 35/153 variables, 17/52 constraints. Problems are: Problem set: 4 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 3/55 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/55 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/154 variables, 1/56 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 1/57 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/57 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/155 variables, 1/58 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/58 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/155 variables, 0/58 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 58 constraints, problems are : Problem set: 4 solved, 2 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 51/51 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 2 unsolved
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: 4 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 27/32 variables, 3/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 86/118 variables, 32/35 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 2/37 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/37 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 35/153 variables, 17/54 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 3/57 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/57 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1/154 variables, 1/58 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 1/59 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/155 variables, 1/60 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/155 variables, 0/60 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/155 variables, 0/60 constraints. Problems are: Problem set: 4 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 60 constraints, problems are : Problem set: 4 solved, 2 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 51/51 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 2/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 322ms problems are : Problem set: 4 solved, 2 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 5 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 111/111 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 51/51 places, 111/111 transitions.
RANDOM walk for 40000 steps (444 resets) in 97 ms. (408 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
[2025-05-30 10:19:45] [INFO ] Flow matrix only has 104 transitions (discarded 7 similar events)
[2025-05-30 10:19:45] [INFO ] Invariant cache hit.
[2025-05-30 10:19:45] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/32 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/118 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 35/153 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/153 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/154 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/155 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/155 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 58 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 51/51 constraints, ReadFeed: 3/3 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/32 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 86/118 variables, 32/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 35/153 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/153 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/153 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/154 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/154 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/155 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/155 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 59 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 51/51 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 203ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 3 ms.
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 111/111 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 0 with 1 rules applied. Total rules applied 1 place count 51 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 50 transition count 110
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 49 transition count 110
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 49 transition count 108
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 7 place count 48 transition count 107
Iterating global reduction 3 with 1 rules applied. Total rules applied 8 place count 48 transition count 107
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 9 place count 48 transition count 106
Applied a total of 9 rules in 4 ms. Remains 48 /51 variables (removed 3) and now considering 106/111 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 48/51 places, 106/111 transitions.
RANDOM walk for 40000 steps (478 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 4464 steps, run visited all 1 properties in 10 ms. (steps per millisecond=446 )
Probabilistic random walk after 4464 steps, saw 1495 distinct states, run finished after 14 ms. (steps per millisecond=318 ) properties seen :1
Found 4 invariant AP formulas.
Knowledge obtained : [(AND p0 p3 p2 p4 p1), (X p2), (X p3), (X (NOT (AND (NOT p0) (NOT p4) p3))), (X (NOT (AND (NOT p0) p4 p3))), (X p4), (X (AND p0 p4 p3)), (X (NOT (AND p0 (NOT p4) p3))), (X (NOT (AND p0 (NOT p2) (NOT p3)))), (X p1), (X (NOT (AND p0 (NOT p2) (NOT p4) (NOT p3)))), (X (NOT (AND p0 p4 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p4) (NOT p3)))), (X (NOT (AND (NOT p0) p4 (NOT p3)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p3)))), (X (NOT (AND p0 (NOT p3)))), (X (NOT (AND p0 (NOT p4) (NOT p3)))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (X p2)), (X (X (NOT (AND p0 (NOT p4))))), (X (X p3)), (X (X p4)), (X (X (NOT (AND p0 (NOT p2) p4 p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 p4 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p4) (NOT p3))))), (X (X (NOT (AND (NOT p0) p4 (NOT p3))))), (X (X (NOT (AND (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p4))))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND p0 (NOT p4) p3 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p4) p3)))), (X (X (NOT (AND (NOT p0) p4 p3)))), (X (X (NOT (AND (NOT p4) p3)))), (X (X (AND p4 p3))), (X (X (AND p0 p4 p3))), (X (X (NOT (AND p0 (NOT p4) p3)))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X p1)), (X (X (NOT (AND p0 p4 (NOT p3) (NOT p1))))), (X (X (NOT (AND p4 (NOT p1))))), (X (X (NOT (AND p0 (NOT p4) (NOT p3) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p4 (NOT p3))))), (X (X (AND p0 p4))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) p4 p1)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND (NOT p4) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p4) p1)))), (X (X (NOT (AND p0 (NOT p4) (NOT p3))))), (X (X (NOT (AND p0 p4 p3 (NOT p1))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p3) (NOT p1))))), (G (OR p2 p1)), (G (OR p0 p3 p4)), (G (OR p0 p3 (NOT p4))), (G (OR p0 p3))]
False Knowledge obtained : [(F (NOT (OR p0 (NOT p3) (NOT p4)))), (F (NOT (OR (NOT p3) p4))), (F (NOT (OR (NOT p4) p1))), (F (NOT p4)), (F (NOT (OR (NOT p0) p3 p2))), (F (NOT (OR (NOT p0) (NOT p3) p4 p1))), (F (NOT p1)), (F (NOT (OR p3 (NOT p4)))), (F (NOT p2)), (F (NOT (AND p0 p4))), (F (NOT p3)), (F (NOT (OR (NOT p0) p4))), (F (NOT (OR (NOT p0) p3 p4 p2))), (F (NOT (OR (NOT p0) p3 (NOT p4)))), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR (NOT p0) p3 p4 p1))), (F (NOT (OR (NOT p0) p3 (NOT p4) p1))), (F (NOT p0)), (F (NOT (OR p3 p4))), (F (NOT (OR (NOT p0) (NOT p3) p4))), (F (NOT (AND p0 p3 p4))), (F (NOT (OR p0 p4 (NOT p1)))), (F (NOT (AND p3 p4))), (F (NOT (OR p4 p1))), (F (NOT (OR p0 (NOT p3) p4))), (F (NOT (OR (NOT p0) (NOT p3) (NOT p4) p2))), (F (NOT (OR p4 p2))), (F (NOT (OR (NOT p0) p2))), (F (NOT (OR (NOT p0) p3 p1))), (F (NOT (OR (NOT p4) p2))), (F (NOT (OR (NOT p0) p3))), (F (NOT (OR (NOT p0) p4 p2))), (F (NOT (OR p0 (NOT p4) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p3) (NOT p4) p1))), (F (NOT (OR (NOT p0) p3 p4)))]
Property proved to be false thanks to negative knowledge :(F (NOT (OR (NOT p0) p3 p4 p1)))
Knowledge based reduction with 62 factoid took 829 ms. Reduced automaton from 14 states, 66 edges and 5 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-319-LTLFireability-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-319-LTLFireability-10 finished in 75129 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)||G(F(p1)))) U p2))'
Support contains 3 out of 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1896 edges and 1567 vertex of which 692 / 1567 are part of one of the 63 SCC in 1 ms
Free SCC test removed 629 places
Ensure Unique test removed 727 transitions
Reduce isomorphic transitions removed 727 transitions.
Graph (complete) has 1456 edges and 938 vertex of which 929 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 510 transitions
Trivial Post-agglo rules discarded 510 transitions
Performed 510 trivial Post agglomeration. Transition count delta: 510
Iterating post reduction 0 with 510 rules applied. Total rules applied 512 place count 928 transition count 759
Reduce places removed 510 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 534 rules applied. Total rules applied 1046 place count 418 transition count 735
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 14 rules applied. Total rules applied 1060 place count 406 transition count 733
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 3 with 5 rules applied. Total rules applied 1065 place count 405 transition count 729
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1068 place count 402 transition count 729
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 45 Pre rules applied. Total rules applied 1068 place count 402 transition count 684
Deduced a syphon composed of 45 places in 1 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 5 with 90 rules applied. Total rules applied 1158 place count 357 transition count 684
Discarding 20 places :
Symmetric choice reduction at 5 with 20 rule applications. Total rules 1178 place count 337 transition count 654
Iterating global reduction 5 with 20 rules applied. Total rules applied 1198 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 5 with 4 rules applied. Total rules applied 1202 place count 337 transition count 650
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 1205 place count 334 transition count 650
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 1205 place count 334 transition count 649
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 1207 place count 333 transition count 649
Discarding 12 places :
Symmetric choice reduction at 7 with 12 rule applications. Total rules 1219 place count 321 transition count 632
Iterating global reduction 7 with 12 rules applied. Total rules applied 1231 place count 321 transition count 632
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 1237 place count 321 transition count 626
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1240 place count 318 transition count 620
Iterating global reduction 8 with 3 rules applied. Total rules applied 1243 place count 318 transition count 620
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1245 place count 316 transition count 616
Iterating global reduction 8 with 2 rules applied. Total rules applied 1247 place count 316 transition count 616
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1248 place count 316 transition count 615
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1249 place count 315 transition count 613
Iterating global reduction 9 with 1 rules applied. Total rules applied 1250 place count 315 transition count 613
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1251 place count 314 transition count 611
Iterating global reduction 9 with 1 rules applied. Total rules applied 1252 place count 314 transition count 611
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1253 place count 313 transition count 609
Iterating global reduction 9 with 1 rules applied. Total rules applied 1254 place count 313 transition count 609
Performed 144 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 144 places in 0 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 9 with 288 rules applied. Total rules applied 1542 place count 169 transition count 380
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 9 with 13 rules applied. Total rules applied 1555 place count 169 transition count 367
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 1559 place count 165 transition count 362
Iterating global reduction 10 with 4 rules applied. Total rules applied 1563 place count 165 transition count 362
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 1589 place count 152 transition count 346
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 10 with 13 rules applied. Total rules applied 1602 place count 152 transition count 333
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1603 place count 151 transition count 331
Iterating global reduction 11 with 1 rules applied. Total rules applied 1604 place count 151 transition count 331
Performed 19 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 11 with 38 rules applied. Total rules applied 1642 place count 132 transition count 382
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 11 with 23 rules applied. Total rules applied 1665 place count 132 transition count 359
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 1674 place count 123 transition count 341
Iterating global reduction 12 with 9 rules applied. Total rules applied 1683 place count 123 transition count 341
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1689 place count 123 transition count 335
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 13 with 41 rules applied. Total rules applied 1730 place count 123 transition count 294
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1731 place count 122 transition count 293
Applied a total of 1731 rules in 66 ms. Remains 122 /1567 variables (removed 1445) and now considering 293/2002 (removed 1709) transitions.
[2025-05-30 10:19:46] [INFO ] Flow matrix only has 234 transitions (discarded 59 similar events)
// Phase 1: matrix 234 rows 122 cols
[2025-05-30 10:19:46] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:46] [INFO ] Implicit Places using invariants in 551 ms returned []
[2025-05-30 10:19:46] [INFO ] Flow matrix only has 234 transitions (discarded 59 similar events)
[2025-05-30 10:19:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:46] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 10:19:46] [INFO ] Implicit Places using invariants and state equation in 141 ms returned [47]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 708 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 121/1567 places, 293/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 120 transition count 292
Applied a total of 2 rules in 3 ms. Remains 120 /121 variables (removed 1) and now considering 292/293 (removed 1) transitions.
[2025-05-30 10:19:46] [INFO ] Flow matrix only has 233 transitions (discarded 59 similar events)
// Phase 1: matrix 233 rows 120 cols
[2025-05-30 10:19:46] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:46] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-05-30 10:19:47] [INFO ] Flow matrix only has 233 transitions (discarded 59 similar events)
[2025-05-30 10:19:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-05-30 10:19:47] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/1567 places, 292/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 982 ms. Remains : 120/1567 places, 292/2002 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-12
Stuttering criterion allowed to conclude after 10 steps with 1 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-12 finished in 1084 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 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1906 edges and 1567 vertex of which 688 / 1567 are part of one of the 62 SCC in 1 ms
Free SCC test removed 626 places
Ensure Unique test removed 725 transitions
Reduce isomorphic transitions removed 725 transitions.
Graph (complete) has 1458 edges and 941 vertex of which 932 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 515 transitions
Trivial Post-agglo rules discarded 515 transitions
Performed 515 trivial Post agglomeration. Transition count delta: 515
Iterating post reduction 0 with 515 rules applied. Total rules applied 517 place count 931 transition count 756
Reduce places removed 515 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 1 with 541 rules applied. Total rules applied 1058 place count 416 transition count 730
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 15 rules applied. Total rules applied 1073 place count 403 transition count 728
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1076 place count 402 transition count 726
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 1080 place count 401 transition count 723
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1082 place count 399 transition count 723
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 45 Pre rules applied. Total rules applied 1082 place count 399 transition count 678
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 6 with 90 rules applied. Total rules applied 1172 place count 354 transition count 678
Discarding 19 places :
Symmetric choice reduction at 6 with 19 rule applications. Total rules 1191 place count 335 transition count 650
Iterating global reduction 6 with 19 rules applied. Total rules applied 1210 place count 335 transition count 650
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 1214 place count 335 transition count 646
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 1217 place count 332 transition count 646
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 1217 place count 332 transition count 645
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 1219 place count 331 transition count 645
Discarding 11 places :
Symmetric choice reduction at 8 with 11 rule applications. Total rules 1230 place count 320 transition count 630
Iterating global reduction 8 with 11 rules applied. Total rules applied 1241 place count 320 transition count 630
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 1247 place count 320 transition count 624
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 1250 place count 317 transition count 618
Iterating global reduction 9 with 3 rules applied. Total rules applied 1253 place count 317 transition count 618
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 1255 place count 315 transition count 614
Iterating global reduction 9 with 2 rules applied. Total rules applied 1257 place count 315 transition count 614
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1258 place count 315 transition count 613
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1259 place count 314 transition count 611
Iterating global reduction 10 with 1 rules applied. Total rules applied 1260 place count 314 transition count 611
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1261 place count 313 transition count 609
Iterating global reduction 10 with 1 rules applied. Total rules applied 1262 place count 313 transition count 609
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1263 place count 312 transition count 607
Iterating global reduction 10 with 1 rules applied. Total rules applied 1264 place count 312 transition count 607
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1265 place count 311 transition count 600
Iterating global reduction 10 with 1 rules applied. Total rules applied 1266 place count 311 transition count 600
Performed 145 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 145 places in 0 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 10 with 290 rules applied. Total rules applied 1556 place count 166 transition count 370
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 10 with 10 rules applied. Total rules applied 1566 place count 166 transition count 360
Discarding 4 places :
Symmetric choice reduction at 11 with 4 rule applications. Total rules 1570 place count 162 transition count 355
Iterating global reduction 11 with 4 rules applied. Total rules applied 1574 place count 162 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 11 with 24 rules applied. Total rules applied 1598 place count 150 transition count 340
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 11 with 12 rules applied. Total rules applied 1610 place count 150 transition count 328
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1611 place count 149 transition count 326
Iterating global reduction 12 with 1 rules applied. Total rules applied 1612 place count 149 transition count 326
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -51
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 12 with 40 rules applied. Total rules applied 1652 place count 129 transition count 377
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 12 with 25 rules applied. Total rules applied 1677 place count 129 transition count 352
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1686 place count 120 transition count 334
Iterating global reduction 13 with 9 rules applied. Total rules applied 1695 place count 120 transition count 334
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1701 place count 120 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 14 with 40 rules applied. Total rules applied 1741 place count 120 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1742 place count 119 transition count 287
Applied a total of 1742 rules in 128 ms. Remains 119 /1567 variables (removed 1448) and now considering 287/2002 (removed 1715) transitions.
[2025-05-30 10:19:47] [INFO ] Flow matrix only has 227 transitions (discarded 60 similar events)
// Phase 1: matrix 227 rows 119 cols
[2025-05-30 10:19:47] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:47] [INFO ] Implicit Places using invariants in 122 ms returned []
[2025-05-30 10:19:47] [INFO ] Flow matrix only has 227 transitions (discarded 60 similar events)
[2025-05-30 10:19:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:19:47] [INFO ] Implicit Places using invariants and state equation in 335 ms returned [46]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 474 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1567 places, 287/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 117 transition count 286
Applied a total of 2 rules in 5 ms. Remains 117 /118 variables (removed 1) and now considering 286/287 (removed 1) transitions.
[2025-05-30 10:19:47] [INFO ] Flow matrix only has 226 transitions (discarded 60 similar events)
// Phase 1: matrix 226 rows 117 cols
[2025-05-30 10:19:47] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:47] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 10:19:47] [INFO ] Flow matrix only has 226 transitions (discarded 60 similar events)
[2025-05-30 10:19:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 10:19:48] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 117/1567 places, 286/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 786 ms. Remains : 117/1567 places, 286/2002 transitions.
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-13 finished in 854 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 3 out of 1567 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1567/1567 places, 2002/2002 transitions.
Graph (trivial) has 1900 edges and 1567 vertex of which 702 / 1567 are part of one of the 63 SCC in 1 ms
Free SCC test removed 639 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1441 edges and 928 vertex of which 919 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 503 transitions
Trivial Post-agglo rules discarded 503 transitions
Performed 503 trivial Post agglomeration. Transition count delta: 503
Iterating post reduction 0 with 503 rules applied. Total rules applied 505 place count 918 transition count 751
Reduce places removed 503 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 527 rules applied. Total rules applied 1032 place count 415 transition count 727
Reduce places removed 12 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 15 rules applied. Total rules applied 1047 place count 403 transition count 724
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1050 place count 400 transition count 724
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 45 Pre rules applied. Total rules applied 1050 place count 400 transition count 679
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 4 with 90 rules applied. Total rules applied 1140 place count 355 transition count 679
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 1159 place count 336 transition count 650
Iterating global reduction 4 with 19 rules applied. Total rules applied 1178 place count 336 transition count 650
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 4 with 4 rules applied. Total rules applied 1182 place count 336 transition count 646
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 1185 place count 333 transition count 646
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1196 place count 322 transition count 631
Iterating global reduction 6 with 11 rules applied. Total rules applied 1207 place count 322 transition count 631
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1213 place count 322 transition count 625
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1216 place count 319 transition count 619
Iterating global reduction 7 with 3 rules applied. Total rules applied 1219 place count 319 transition count 619
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1222 place count 316 transition count 613
Iterating global reduction 7 with 3 rules applied. Total rules applied 1225 place count 316 transition count 613
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1226 place count 316 transition count 612
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1228 place count 314 transition count 608
Iterating global reduction 8 with 2 rules applied. Total rules applied 1230 place count 314 transition count 608
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1232 place count 312 transition count 604
Iterating global reduction 8 with 2 rules applied. Total rules applied 1234 place count 312 transition count 604
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1236 place count 310 transition count 600
Iterating global reduction 8 with 2 rules applied. Total rules applied 1238 place count 310 transition count 600
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1240 place count 308 transition count 586
Iterating global reduction 8 with 2 rules applied. Total rules applied 1242 place count 308 transition count 586
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 1 rules applied. Total rules applied 1243 place count 308 transition count 585
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1244 place count 307 transition count 585
Performed 146 Post agglomeration using F-continuation condition with reduction of 88 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 10 with 292 rules applied. Total rules applied 1536 place count 161 transition count 351
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 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 10 with 10 rules applied. Total rules applied 1546 place count 161 transition count 341
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1548 place count 160 transition count 340
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 1552 place count 156 transition count 335
Iterating global reduction 12 with 4 rules applied. Total rules applied 1556 place count 156 transition count 335
Performed 10 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 12 with 20 rules applied. Total rules applied 1576 place count 146 transition count 322
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 12 with 8 rules applied. Total rules applied 1584 place count 146 transition count 314
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -46
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 13 with 34 rules applied. Total rules applied 1618 place count 129 transition count 360
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 13 with 17 rules applied. Total rules applied 1635 place count 129 transition count 343
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1644 place count 120 transition count 325
Iterating global reduction 14 with 9 rules applied. Total rules applied 1653 place count 120 transition count 325
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 1659 place count 120 transition count 319
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 15 with 36 rules applied. Total rules applied 1695 place count 120 transition count 283
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1696 place count 119 transition count 282
Applied a total of 1696 rules in 69 ms. Remains 119 /1567 variables (removed 1448) and now considering 282/2002 (removed 1720) transitions.
[2025-05-30 10:19:48] [INFO ] Flow matrix only has 223 transitions (discarded 59 similar events)
// Phase 1: matrix 223 rows 119 cols
[2025-05-30 10:19:48] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:48] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-05-30 10:19:48] [INFO ] Flow matrix only has 223 transitions (discarded 59 similar events)
[2025-05-30 10:19:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:48] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:19:48] [INFO ] Implicit Places using invariants and state equation in 262 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 393 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1567 places, 282/2002 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 117 transition count 281
Applied a total of 2 rules in 3 ms. Remains 117 /118 variables (removed 1) and now considering 281/282 (removed 1) transitions.
[2025-05-30 10:19:48] [INFO ] Flow matrix only has 222 transitions (discarded 59 similar events)
// Phase 1: matrix 222 rows 117 cols
[2025-05-30 10:19:48] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:48] [INFO ] Implicit Places using invariants in 168 ms returned []
[2025-05-30 10:19:48] [INFO ] Flow matrix only has 222 transitions (discarded 59 similar events)
[2025-05-30 10:19:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 10:19:48] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 10:19:48] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 117/1567 places, 281/2002 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 770 ms. Remains : 117/1567 places, 281/2002 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-319-LTLFireability-15
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-319-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-319-LTLFireability-15 finished in 808 ms.
All properties solved by simple procedures.
Total runtime 425428 ms.
BK_STOP 1748600388959
--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-319"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-319, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028300348"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-319.tgz
mv CloudReconfiguration-PT-319 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
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 ;