About the Execution of ITS-Tools for CloudReconfiguration-PT-304
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 573287.00 | 0.00 | 0.00 | TFFFFFTTFFFFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028100235.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-304, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028100235
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.0M
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K 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 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 76K 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 660K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-00
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-01
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-02
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-03
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-04
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-05
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-06
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-07
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-08
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-09
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-10
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-11
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-12
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-13
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-14
FORMULA_NAME CloudReconfiguration-PT-304-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748584043036
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-304
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-05-30 05:47:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 05:47:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 05:47:24] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2025-05-30 05:47:24] [INFO ] Transformed 2584 places.
[2025-05-30 05:47:24] [INFO ] Transformed 3094 transitions.
[2025-05-30 05:47:24] [INFO ] Found NUPN structural information;
[2025-05-30 05:47:24] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 253 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-304-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-304-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-304-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-304-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 2584 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Discarding 518 places :
Symmetric choice reduction at 0 with 518 rule applications. Total rules 518 place count 2066 transition count 2576
Iterating global reduction 0 with 518 rules applied. Total rules applied 1036 place count 2066 transition count 2576
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1065 place count 2066 transition count 2547
Discarding 237 places :
Symmetric choice reduction at 1 with 237 rule applications. Total rules 1302 place count 1829 transition count 2310
Iterating global reduction 1 with 237 rules applied. Total rules applied 1539 place count 1829 transition count 2310
Discarding 86 places :
Symmetric choice reduction at 1 with 86 rule applications. Total rules 1625 place count 1743 transition count 2224
Iterating global reduction 1 with 86 rules applied. Total rules applied 1711 place count 1743 transition count 2224
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 1726 place count 1743 transition count 2209
Discarding 46 places :
Symmetric choice reduction at 2 with 46 rule applications. Total rules 1772 place count 1697 transition count 2163
Iterating global reduction 2 with 46 rules applied. Total rules applied 1818 place count 1697 transition count 2163
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1826 place count 1697 transition count 2155
Discarding 36 places :
Symmetric choice reduction at 3 with 36 rule applications. Total rules 1862 place count 1661 transition count 2115
Iterating global reduction 3 with 36 rules applied. Total rules applied 1898 place count 1661 transition count 2115
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 1924 place count 1635 transition count 2089
Iterating global reduction 3 with 26 rules applied. Total rules applied 1950 place count 1635 transition count 2089
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 1974 place count 1611 transition count 2065
Iterating global reduction 3 with 24 rules applied. Total rules applied 1998 place count 1611 transition count 2065
Discarding 24 places :
Symmetric choice reduction at 3 with 24 rule applications. Total rules 2022 place count 1587 transition count 2041
Iterating global reduction 3 with 24 rules applied. Total rules applied 2046 place count 1587 transition count 2041
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2066 place count 1567 transition count 2009
Iterating global reduction 3 with 20 rules applied. Total rules applied 2086 place count 1567 transition count 2009
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 2091 place count 1562 transition count 2001
Iterating global reduction 3 with 5 rules applied. Total rules applied 2096 place count 1562 transition count 2001
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 2101 place count 1557 transition count 1993
Iterating global reduction 3 with 5 rules applied. Total rules applied 2106 place count 1557 transition count 1993
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 2109 place count 1554 transition count 1990
Iterating global reduction 3 with 3 rules applied. Total rules applied 2112 place count 1554 transition count 1990
Applied a total of 2112 rules in 1391 ms. Remains 1554 /2584 variables (removed 1030) and now considering 1990/3094 (removed 1104) transitions.
// Phase 1: matrix 1990 rows 1554 cols
[2025-05-30 05:47:26] [INFO ] Computed 4 invariants in 42 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:47:26] [INFO ] Implicit Places using invariants in 521 ms returned []
[2025-05-30 05:47:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:47:27] [INFO ] Implicit Places using invariants and state equation in 1056 ms returned []
Implicit Place search using SMT with State Equation took 1624 ms to find 0 implicit places.
Running 1989 sub problems to find dead transitions.
[2025-05-30 05:47:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1553 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1989 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1553/3544 variables, and 4 constraints, problems are : Problem set: 0 solved, 1989 unsolved in 30063 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1554 constraints, PredecessorRefiner: 1989/1989 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1989 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1553 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1989 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
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(s42 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1553/3544 variables, and 4 constraints, problems are : Problem set: 0 solved, 1989 unsolved in 30051 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1554 constraints, PredecessorRefiner: 0/1989 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60666ms problems are : Problem set: 0 solved, 1989 unsolved
Search for dead transitions found 0 dead transitions in 60684ms
Starting structural reductions in LTL mode, iteration 1 : 1554/2584 places, 1990/3094 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63731 ms. Remains : 1554/2584 places, 1990/3094 transitions.
Support contains 28 out of 1554 places after structural reductions.
[2025-05-30 05:48:28] [INFO ] Flatten gal took : 126 ms
[2025-05-30 05:48:28] [INFO ] Flatten gal took : 77 ms
[2025-05-30 05:48:29] [INFO ] Input system was already deterministic with 1990 transitions.
RANDOM walk for 40000 steps (302 resets) in 2304 ms. (17 steps per ms) remains 11/18 properties
BEST_FIRST walk for 40003 steps (80 resets) in 214 ms. (186 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (82 resets) in 227 ms. (175 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (77 resets) in 146 ms. (272 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (79 resets) in 78 ms. (506 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (80 resets) in 97 ms. (408 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (88 resets) in 94 ms. (421 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (82 resets) in 172 ms. (231 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (82 resets) in 142 ms. (279 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (83 resets) in 155 ms. (256 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (81 resets) in 120 ms. (330 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (76 resets) in 96 ms. (412 steps per ms) remains 11/11 properties
[2025-05-30 05:48:30] [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) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1526/1543 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1543 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1980/3523 variables, 1543/1547 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3523 variables, 0/1547 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 2/3525 variables, 1/1548 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3525 variables, 0/1548 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 2/3527 variables, 1/1549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3527 variables, 0/1549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 2/3529 variables, 1/1550 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3529 variables, 0/1550 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 2/3531 variables, 1/1551 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3531 variables, 0/1551 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 2/3533 variables, 1/1552 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3533 variables, 0/1552 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 2/3535 variables, 1/1553 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3535 variables, 0/1553 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 2/3537 variables, 1/1554 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3537/3544 variables, and 1554 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5018 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1550/1554 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 1526/1543 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1543 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 1980/3523 variables, 1543/1547 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3523 variables, 11/1558 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3523 variables, 0/1558 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 2/3525 variables, 1/1559 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3525 variables, 0/1559 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 2/3527 variables, 1/1560 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3527 variables, 0/1560 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/3529 variables, 1/1561 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3529/3544 variables, and 1561 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5008 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1546/1554 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10105ms problems are : Problem set: 0 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 17 out of 1554 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Graph (trivial) has 1866 edges and 1554 vertex of which 656 / 1554 are part of one of the 60 SCC in 7 ms
Free SCC test removed 596 places
Drop transitions (Empty/Sink Transition effects.) removed 747 transitions
Reduce isomorphic transitions removed 747 transitions.
Graph (complete) has 1419 edges and 958 vertex of which 949 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 512 transitions
Trivial Post-agglo rules discarded 512 transitions
Performed 512 trivial Post agglomeration. Transition count delta: 512
Iterating post reduction 0 with 519 rules applied. Total rules applied 521 place count 949 transition count 720
Reduce places removed 512 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 565 rules applied. Total rules applied 1086 place count 437 transition count 667
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 2 with 39 rules applied. Total rules applied 1125 place count 404 transition count 661
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 9 rules applied. Total rules applied 1134 place count 401 transition count 655
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 4 with 11 rules applied. Total rules applied 1145 place count 398 transition count 647
Reduce places removed 5 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 5 with 12 rules applied. Total rules applied 1157 place count 393 transition count 640
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 1164 place count 386 transition count 640
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 51 Pre rules applied. Total rules applied 1164 place count 386 transition count 589
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 7 with 102 rules applied. Total rules applied 1266 place count 335 transition count 589
Discarding 10 places :
Symmetric choice reduction at 7 with 10 rule applications. Total rules 1276 place count 325 transition count 577
Iterating global reduction 7 with 10 rules applied. Total rules applied 1286 place count 325 transition count 577
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 7 with 3 rules applied. Total rules applied 1289 place count 325 transition count 574
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1291 place count 323 transition count 574
Discarding 6 places :
Symmetric choice reduction at 9 with 6 rule applications. Total rules 1297 place count 317 transition count 568
Iterating global reduction 9 with 6 rules applied. Total rules applied 1303 place count 317 transition count 568
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1308 place count 317 transition count 563
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1309 place count 316 transition count 561
Iterating global reduction 10 with 1 rules applied. Total rules applied 1310 place count 316 transition count 561
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1311 place count 315 transition count 559
Iterating global reduction 10 with 1 rules applied. Total rules applied 1312 place count 315 transition count 559
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1313 place count 315 transition count 558
Performed 155 Post agglomeration using F-continuation condition with reduction of 100 identical transitions.
Deduced a syphon composed of 155 places in 0 ms
Reduce places removed 155 places and 0 transitions.
Iterating global reduction 11 with 310 rules applied. Total rules applied 1623 place count 160 transition count 303
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 11 with 20 rules applied. Total rules applied 1643 place count 160 transition count 283
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 1647 place count 156 transition count 279
Iterating global reduction 12 with 4 rules applied. Total rules applied 1651 place count 156 transition count 279
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1652 place count 155 transition count 278
Iterating global reduction 12 with 1 rules applied. Total rules applied 1653 place count 155 transition count 278
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 1654 place count 155 transition count 277
Performed 11 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 13 with 22 rules applied. Total rules applied 1676 place count 144 transition count 265
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 13 with 14 rules applied. Total rules applied 1690 place count 144 transition count 251
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 14 with 2 rules applied. Total rules applied 1692 place count 143 transition count 250
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 1694 place count 143 transition count 248
Performed 35 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 15 with 70 rules applied. Total rules applied 1764 place count 108 transition count 281
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 15 with 28 rules applied. Total rules applied 1792 place count 108 transition count 253
Discarding 19 places :
Symmetric choice reduction at 16 with 19 rule applications. Total rules 1811 place count 89 transition count 215
Iterating global reduction 16 with 19 rules applied. Total rules applied 1830 place count 89 transition count 215
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 16 with 8 rules applied. Total rules applied 1838 place count 89 transition count 207
Discarding 4 places :
Symmetric choice reduction at 17 with 4 rule applications. Total rules 1842 place count 85 transition count 199
Iterating global reduction 17 with 4 rules applied. Total rules applied 1846 place count 85 transition count 199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 17 with 3 rules applied. Total rules applied 1849 place count 85 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 18 with 6 rules applied. Total rules applied 1855 place count 85 transition count 190
Free-agglomeration rule applied 5 times.
Iterating global reduction 18 with 5 rules applied. Total rules applied 1860 place count 85 transition count 185
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 7 rules applied. Total rules applied 1867 place count 80 transition count 183
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 19 with 8 rules applied. Total rules applied 1875 place count 80 transition count 183
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 1877 place count 80 transition count 181
Discarding 2 places :
Symmetric choice reduction at 19 with 2 rule applications. Total rules 1879 place count 78 transition count 179
Iterating global reduction 19 with 2 rules applied. Total rules applied 1881 place count 78 transition count 179
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 1882 place count 77 transition count 178
Applied a total of 1882 rules in 184 ms. Remains 77 /1554 variables (removed 1477) and now considering 178/1990 (removed 1812) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 77/1554 places, 178/1990 transitions.
RANDOM walk for 7806 steps (99 resets) in 137 ms. (56 steps per ms) remains 0/11 properties
Computed a total of 26 stabilizing places and 28 stable transitions
Graph (complete) has 2170 edges and 1554 vertex of which 1545 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.26 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 U p1) U p2))||F(p0)) U X(G(p2)))))'
Support contains 6 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 1543 transition count 1979
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 1543 transition count 1979
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 1543 transition count 1977
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 33 place count 1534 transition count 1967
Iterating global reduction 1 with 9 rules applied. Total rules applied 42 place count 1534 transition count 1967
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 46 place count 1530 transition count 1962
Iterating global reduction 1 with 4 rules applied. Total rules applied 50 place count 1530 transition count 1962
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 54 place count 1526 transition count 1957
Iterating global reduction 1 with 4 rules applied. Total rules applied 58 place count 1526 transition count 1957
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 62 place count 1522 transition count 1953
Iterating global reduction 1 with 4 rules applied. Total rules applied 66 place count 1522 transition count 1953
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 67 place count 1522 transition count 1952
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 70 place count 1519 transition count 1949
Iterating global reduction 2 with 3 rules applied. Total rules applied 73 place count 1519 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 76 place count 1516 transition count 1945
Iterating global reduction 2 with 3 rules applied. Total rules applied 79 place count 1516 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 1513 transition count 1940
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 1513 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 87 place count 1511 transition count 1938
Iterating global reduction 2 with 2 rules applied. Total rules applied 89 place count 1511 transition count 1938
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 90 place count 1511 transition count 1937
Applied a total of 90 rules in 601 ms. Remains 1511 /1554 variables (removed 43) and now considering 1937/1990 (removed 53) transitions.
// Phase 1: matrix 1937 rows 1511 cols
[2025-05-30 05:48:41] [INFO ] Computed 4 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:48:41] [INFO ] Implicit Places using invariants in 223 ms returned []
[2025-05-30 05:48:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:48:42] [INFO ] Implicit Places using invariants and state equation in 895 ms returned []
Implicit Place search using SMT with State Equation took 1122 ms to find 0 implicit places.
Running 1936 sub problems to find dead transitions.
[2025-05-30 05:48:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1936 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1510/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 1936/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1936 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1510 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1936 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1510/3448 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1511 constraints, PredecessorRefiner: 0/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60439ms problems are : Problem set: 0 solved, 1936 unsolved
Search for dead transitions found 0 dead transitions in 60443ms
Starting structural reductions in LTL mode, iteration 1 : 1511/1554 places, 1937/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62178 ms. Remains : 1511/1554 places, 1937/1990 transitions.
Stuttering acceptance computed with spot in 329 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-01
Product exploration explored 100000 steps with 779 reset in 335 ms.
Product exploration explored 100000 steps with 784 reset in 224 ms.
Computed a total of 26 stabilizing places and 28 stable transitions
Graph (complete) has 2112 edges and 1511 vertex of which 1502 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.28 ms
Computed a total of 26 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 141 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 197 ms :[(NOT p2), (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 40000 steps (301 resets) in 267 ms. (149 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (86 resets) in 92 ms. (430 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (84 resets) in 80 ms. (493 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (77 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
[2025-05-30 05:49:44] [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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1093/1099 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1099 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 401/1500 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1927/3427 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 0/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 2/3429 variables, 1/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3429 variables, 0/1505 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 2/3431 variables, 1/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3431 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/3433 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3433 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 2/3435 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3435 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/3437 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3437 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 2/3439 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3439 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 2/3441 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3441 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 2/3443 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3443 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 2/3445 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3445 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 2/3447 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3447 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (OVERLAPS) 1/3448 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3448 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 29 (OVERLAPS) 0/3448 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3448/3448 variables, and 1515 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1768 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1093/1099 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1099 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 401/1500 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1500 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1927/3427 variables, 1500/1504 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3427 variables, 2/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3427 variables, 0/1506 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/3429 variables, 1/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3429 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/3431 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3431 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/3433 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3433 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 2/3435 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3435 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 2/3437 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3437 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 2/3439 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3439 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 2/3441 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3441 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 2/3443 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3443 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 2/3445 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3445 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 26 (OVERLAPS) 2/3447 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3447 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf2 is UNSAT
At refinement iteration 28 (OVERLAPS) 1/3448 variables, 1/1517 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3448 variables, 0/1517 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/3448 variables, 0/1517 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3448/3448 variables, and 1517 constraints, problems are : Problem set: 1 solved, 1 unsolved in 3609 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1511/1511 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5424ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 118 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=59 )
Parikh walk visited 1 properties in 11 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p2 p0 p1), (X p2), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X p1)), (G (OR p2 p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p2)), (F (NOT p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 179 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p2)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p2)]
Support contains 2 out of 1511 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1511/1511 places, 1937/1937 transitions.
Graph (trivial) has 1835 edges and 1511 vertex of which 676 / 1511 are part of one of the 62 SCC in 7 ms
Free SCC test removed 614 places
Ensure Unique test removed 711 transitions
Reduce isomorphic transitions removed 711 transitions.
Graph (complete) has 1395 edges and 897 vertex of which 888 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 479 transitions
Trivial Post-agglo rules discarded 479 transitions
Performed 479 trivial Post agglomeration. Transition count delta: 479
Iterating post reduction 0 with 479 rules applied. Total rules applied 481 place count 887 transition count 741
Reduce places removed 479 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 505 rules applied. Total rules applied 986 place count 408 transition count 715
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 1001 place count 395 transition count 713
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 1004 place count 394 transition count 711
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 1008 place count 393 transition count 708
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 3 rules applied. Total rules applied 1011 place count 391 transition count 707
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1012 place count 390 transition count 707
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 48 Pre rules applied. Total rules applied 1012 place count 390 transition count 659
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 7 with 96 rules applied. Total rules applied 1108 place count 342 transition count 659
Discarding 16 places :
Symmetric choice reduction at 7 with 16 rule applications. Total rules 1124 place count 326 transition count 633
Iterating global reduction 7 with 16 rules applied. Total rules applied 1140 place count 326 transition count 633
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 7 with 3 rules applied. Total rules applied 1143 place count 326 transition count 630
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 1146 place count 323 transition count 630
Discarding 10 places :
Symmetric choice reduction at 9 with 10 rule applications. Total rules 1156 place count 313 transition count 616
Iterating global reduction 9 with 10 rules applied. Total rules applied 1166 place count 313 transition count 616
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1172 place count 313 transition count 610
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1173 place count 312 transition count 608
Iterating global reduction 10 with 1 rules applied. Total rules applied 1174 place count 312 transition count 608
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1175 place count 311 transition count 606
Iterating global reduction 10 with 1 rules applied. Total rules applied 1176 place count 311 transition count 606
Performed 139 Post agglomeration using F-continuation condition with reduction of 75 identical transitions.
Deduced a syphon composed of 139 places in 0 ms
Reduce places removed 139 places and 0 transitions.
Iterating global reduction 10 with 278 rules applied. Total rules applied 1454 place count 172 transition count 392
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 10 with 13 rules applied. Total rules applied 1467 place count 172 transition count 379
Discarding 4 places :
Symmetric choice reduction at 11 with 4 rule applications. Total rules 1471 place count 168 transition count 374
Iterating global reduction 11 with 4 rules applied. Total rules applied 1475 place count 168 transition count 374
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 11 with 24 rules applied. Total rules applied 1499 place count 156 transition count 360
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 1514 place count 156 transition count 345
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1515 place count 155 transition count 343
Iterating global reduction 12 with 1 rules applied. Total rules applied 1516 place count 155 transition count 343
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 1518 place count 154 transition count 342
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1520 place count 154 transition count 340
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -44
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 13 with 36 rules applied. Total rules applied 1556 place count 136 transition count 384
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 13 with 27 rules applied. Total rules applied 1583 place count 136 transition count 357
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 1592 place count 127 transition count 339
Iterating global reduction 14 with 9 rules applied. Total rules applied 1601 place count 127 transition count 339
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1606 place count 127 transition count 334
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 15 with 43 rules applied. Total rules applied 1649 place count 127 transition count 291
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1650 place count 126 transition count 290
Applied a total of 1650 rules in 127 ms. Remains 126 /1511 variables (removed 1385) and now considering 290/1937 (removed 1647) transitions.
[2025-05-30 05:49:50] [INFO ] Flow matrix only has 233 transitions (discarded 57 similar events)
// Phase 1: matrix 233 rows 126 cols
[2025-05-30 05:49:50] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:50] [INFO ] Implicit Places using invariants in 144 ms returned []
[2025-05-30 05:49:50] [INFO ] Flow matrix only has 233 transitions (discarded 57 similar events)
[2025-05-30 05:49:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:50] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-05-30 05:49:50] [INFO ] Implicit Places using invariants and state equation in 135 ms returned [17, 50, 87]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 287 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/1511 places, 290/1937 transitions.
Reduce places removed 1 places and 1 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 121 transition count 288
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 120 transition count 287
Applied a total of 3 rules in 27 ms. Remains 120 /123 variables (removed 3) and now considering 287/290 (removed 3) transitions.
[2025-05-30 05:49:50] [INFO ] Flow matrix only has 230 transitions (discarded 57 similar events)
// Phase 1: matrix 230 rows 120 cols
[2025-05-30 05:49:50] [INFO ] Computed 0 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-05-30 05:49:51] [INFO ] Flow matrix only has 230 transitions (discarded 57 similar events)
[2025-05-30 05:49:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/1511 places, 287/1937 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 587 ms. Remains : 120/1511 places, 287/1937 transitions.
Computed a total of 1 stabilizing places and 24 stable transitions
Computed a total of 1 stabilizing places and 24 stable transitions
Knowledge obtained : [p2, (X p2), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p2)]
RANDOM walk for 3042 steps (303 resets) in 54 ms. (55 steps per ms) remains 0/1 properties
Knowledge obtained : [p2, (X p2), (X (X p2))]
False Knowledge obtained : [(F (NOT p2))]
Knowledge based reduction with 3 factoid took 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p2)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p2)]
Stuttering acceptance computed with spot in 43 ms :[(NOT p2)]
Stuttering criterion allowed to conclude after 2531 steps with 221 reset in 15 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-01 finished in 70606 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 1554 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Graph (trivial) has 1899 edges and 1554 vertex of which 687 / 1554 are part of one of the 62 SCC in 2 ms
Free SCC test removed 625 places
Ensure Unique test removed 725 transitions
Reduce isomorphic transitions removed 725 transitions.
Graph (complete) has 1440 edges and 929 vertex of which 920 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 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 919 transition count 752
Reduce places removed 507 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 535 rules applied. Total rules applied 1044 place count 412 transition count 724
Reduce places removed 14 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 16 rules applied. Total rules applied 1060 place count 398 transition count 722
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 1063 place count 397 transition count 720
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 1067 place count 396 transition count 717
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 3 rules applied. Total rules applied 1070 place count 394 transition count 716
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1071 place count 393 transition count 716
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 47 Pre rules applied. Total rules applied 1071 place count 393 transition count 669
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 7 with 94 rules applied. Total rules applied 1165 place count 346 transition count 669
Discarding 17 places :
Symmetric choice reduction at 7 with 17 rule applications. Total rules 1182 place count 329 transition count 643
Iterating global reduction 7 with 17 rules applied. Total rules applied 1199 place count 329 transition count 643
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 7 with 4 rules applied. Total rules applied 1203 place count 329 transition count 639
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 1205 place count 327 transition count 639
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 1214 place count 318 transition count 628
Iterating global reduction 9 with 9 rules applied. Total rules applied 1223 place count 318 transition count 628
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 1228 place count 318 transition count 623
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 1230 place count 316 transition count 619
Iterating global reduction 10 with 2 rules applied. Total rules applied 1232 place count 316 transition count 619
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 1234 place count 314 transition count 615
Iterating global reduction 10 with 2 rules applied. Total rules applied 1236 place count 314 transition count 615
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1237 place count 314 transition count 614
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1238 place count 313 transition count 612
Iterating global reduction 11 with 1 rules applied. Total rules applied 1239 place count 313 transition count 612
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1240 place count 312 transition count 610
Iterating global reduction 11 with 1 rules applied. Total rules applied 1241 place count 312 transition count 610
Performed 146 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 146 places in 1 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 11 with 292 rules applied. Total rules applied 1533 place count 166 transition count 379
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 11 with 16 rules applied. Total rules applied 1549 place count 166 transition count 363
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 1555 place count 160 transition count 355
Iterating global reduction 12 with 6 rules applied. Total rules applied 1561 place count 160 transition count 355
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 1562 place count 160 transition count 354
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 1563 place count 159 transition count 353
Iterating global reduction 13 with 1 rules applied. Total rules applied 1564 place count 159 transition count 353
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 1565 place count 159 transition count 352
Performed 11 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 14 with 22 rules applied. Total rules applied 1587 place count 148 transition count 340
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 14 with 13 rules applied. Total rules applied 1600 place count 148 transition count 327
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 1601 place count 147 transition count 325
Iterating global reduction 15 with 1 rules applied. Total rules applied 1602 place count 147 transition count 325
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -39
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 15 with 40 rules applied. Total rules applied 1642 place count 127 transition count 364
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 15 with 24 rules applied. Total rules applied 1666 place count 127 transition count 340
Discarding 10 places :
Symmetric choice reduction at 16 with 10 rule applications. Total rules 1676 place count 117 transition count 317
Iterating global reduction 16 with 10 rules applied. Total rules applied 1686 place count 117 transition count 317
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 16 with 6 rules applied. Total rules applied 1692 place count 117 transition count 311
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 17 with 41 rules applied. Total rules applied 1733 place count 117 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1734 place count 116 transition count 269
Applied a total of 1734 rules in 115 ms. Remains 116 /1554 variables (removed 1438) and now considering 269/1990 (removed 1721) transitions.
[2025-05-30 05:49:51] [INFO ] Flow matrix only has 211 transitions (discarded 58 similar events)
// Phase 1: matrix 211 rows 116 cols
[2025-05-30 05:49:51] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 05:49:51] [INFO ] Flow matrix only has 211 transitions (discarded 58 similar events)
[2025-05-30 05:49:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants and state equation in 116 ms returned [13, 46, 79]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 161 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1554 places, 269/1990 transitions.
Reduce places removed 1 places and 1 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 111 transition count 267
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 110 transition count 266
Applied a total of 3 rules in 13 ms. Remains 110 /113 variables (removed 3) and now considering 266/269 (removed 3) transitions.
[2025-05-30 05:49:51] [INFO ] Flow matrix only has 208 transitions (discarded 58 similar events)
// Phase 1: matrix 208 rows 110 cols
[2025-05-30 05:49:51] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-30 05:49:51] [INFO ] Flow matrix only has 208 transitions (discarded 58 similar events)
[2025-05-30 05:49:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:51] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 05:49:51] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 128 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1554 places, 266/1990 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 417 ms. Remains : 110/1554 places, 266/1990 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-02 finished in 476 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 1554 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Graph (trivial) has 1900 edges and 1554 vertex of which 701 / 1554 are part of one of the 63 SCC in 2 ms
Free SCC test removed 638 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1423 edges and 916 vertex of which 907 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 906 transition count 741
Reduce places removed 501 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 527 rules applied. Total rules applied 1030 place count 405 transition count 715
Reduce places removed 13 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 14 rules applied. Total rules applied 1044 place count 392 transition count 714
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1045 place count 391 transition count 714
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 45 Pre rules applied. Total rules applied 1045 place count 391 transition count 669
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 1135 place count 346 transition count 669
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1153 place count 328 transition count 641
Iterating global reduction 4 with 18 rules applied. Total rules applied 1171 place count 328 transition count 641
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1175 place count 328 transition count 637
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1177 place count 326 transition count 637
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1187 place count 316 transition count 624
Iterating global reduction 6 with 10 rules applied. Total rules applied 1197 place count 316 transition count 624
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1202 place count 316 transition count 619
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1205 place count 313 transition count 613
Iterating global reduction 7 with 3 rules applied. Total rules applied 1208 place count 313 transition count 613
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1211 place count 310 transition count 607
Iterating global reduction 7 with 3 rules applied. Total rules applied 1214 place count 310 transition count 607
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1215 place count 310 transition count 606
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1217 place count 308 transition count 602
Iterating global reduction 8 with 2 rules applied. Total rules applied 1219 place count 308 transition count 602
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1221 place count 306 transition count 598
Iterating global reduction 8 with 2 rules applied. Total rules applied 1223 place count 306 transition count 598
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1224 place count 305 transition count 596
Iterating global reduction 8 with 1 rules applied. Total rules applied 1225 place count 305 transition count 596
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 8 with 288 rules applied. Total rules applied 1513 place count 161 transition count 367
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 8 with 16 rules applied. Total rules applied 1529 place count 161 transition count 351
Discarding 7 places :
Symmetric choice reduction at 9 with 7 rule applications. Total rules 1536 place count 154 transition count 338
Iterating global reduction 9 with 7 rules applied. Total rules applied 1543 place count 154 transition count 338
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1544 place count 154 transition count 337
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1545 place count 153 transition count 336
Iterating global reduction 10 with 1 rules applied. Total rules applied 1546 place count 153 transition count 336
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 1547 place count 153 transition count 335
Performed 12 Post agglomeration using F-continuation condition with reduction of 1 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 1571 place count 141 transition count 322
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 11 with 14 rules applied. Total rules applied 1585 place count 141 transition count 308
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 1586 place count 140 transition count 304
Iterating global reduction 12 with 1 rules applied. Total rules applied 1587 place count 140 transition count 304
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 12 with 2 rules applied. Total rules applied 1589 place count 139 transition count 303
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 12 with 34 rules applied. Total rules applied 1623 place count 122 transition count 337
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 1640 place count 122 transition count 320
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 1649 place count 113 transition count 302
Iterating global reduction 13 with 9 rules applied. Total rules applied 1658 place count 113 transition count 302
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1664 place count 113 transition count 296
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 14 with 36 rules applied. Total rules applied 1700 place count 113 transition count 260
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 1701 place count 112 transition count 259
Applied a total of 1701 rules in 87 ms. Remains 112 /1554 variables (removed 1442) and now considering 259/1990 (removed 1731) transitions.
[2025-05-30 05:49:52] [INFO ] Flow matrix only has 202 transitions (discarded 57 similar events)
// Phase 1: matrix 202 rows 112 cols
[2025-05-30 05:49:52] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:52] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-05-30 05:49:52] [INFO ] Flow matrix only has 202 transitions (discarded 57 similar events)
[2025-05-30 05:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:52] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 05:49:52] [INFO ] Implicit Places using invariants and state equation in 119 ms returned [8, 42, 75]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 171 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 109/1554 places, 259/1990 transitions.
Reduce places removed 1 places and 1 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 107 transition count 257
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 106 transition count 256
Applied a total of 3 rules in 8 ms. Remains 106 /109 variables (removed 3) and now considering 256/259 (removed 3) transitions.
[2025-05-30 05:49:52] [INFO ] Flow matrix only has 199 transitions (discarded 57 similar events)
// Phase 1: matrix 199 rows 106 cols
[2025-05-30 05:49:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:52] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-30 05:49:52] [INFO ] Flow matrix only has 199 transitions (discarded 57 similar events)
[2025-05-30 05:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 05:49:52] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 106/1554 places, 256/1990 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 394 ms. Remains : 106/1554 places, 256/1990 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-03 finished in 468 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 1 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 1540 transition count 1975
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 1540 transition count 1975
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 31 place count 1540 transition count 1972
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 42 place count 1529 transition count 1960
Iterating global reduction 1 with 11 rules applied. Total rules applied 53 place count 1529 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 54 place count 1529 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 59 place count 1524 transition count 1953
Iterating global reduction 2 with 5 rules applied. Total rules applied 64 place count 1524 transition count 1953
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 65 place count 1524 transition count 1952
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 69 place count 1520 transition count 1947
Iterating global reduction 3 with 4 rules applied. Total rules applied 73 place count 1520 transition count 1947
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 77 place count 1516 transition count 1943
Iterating global reduction 3 with 4 rules applied. Total rules applied 81 place count 1516 transition count 1943
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 82 place count 1516 transition count 1942
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 85 place count 1513 transition count 1939
Iterating global reduction 4 with 3 rules applied. Total rules applied 88 place count 1513 transition count 1939
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 91 place count 1510 transition count 1935
Iterating global reduction 4 with 3 rules applied. Total rules applied 94 place count 1510 transition count 1935
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 97 place count 1507 transition count 1930
Iterating global reduction 4 with 3 rules applied. Total rules applied 100 place count 1507 transition count 1930
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 102 place count 1505 transition count 1928
Iterating global reduction 4 with 2 rules applied. Total rules applied 104 place count 1505 transition count 1928
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 105 place count 1505 transition count 1927
Applied a total of 105 rules in 578 ms. Remains 1505 /1554 variables (removed 49) and now considering 1927/1990 (removed 63) transitions.
// Phase 1: matrix 1927 rows 1505 cols
[2025-05-30 05:49:53] [INFO ] Computed 4 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:53] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-05-30 05:49:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:49:54] [INFO ] Implicit Places using invariants and state equation in 923 ms returned []
Implicit Place search using SMT with State Equation took 1158 ms to find 0 implicit places.
Running 1926 sub problems to find dead transitions.
[2025-05-30 05:49:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1504 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1926 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1504/3432 variables, and 4 constraints, problems are : Problem set: 0 solved, 1926 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 1926/1926 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1926 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1504 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1926 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1504/3432 variables, and 4 constraints, problems are : Problem set: 0 solved, 1926 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1505 constraints, PredecessorRefiner: 0/1926 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60475ms problems are : Problem set: 0 solved, 1926 unsolved
Search for dead transitions found 0 dead transitions in 60480ms
Starting structural reductions in LTL mode, iteration 1 : 1505/1554 places, 1927/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62227 ms. Remains : 1505/1554 places, 1927/1990 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-07
Product exploration explored 100000 steps with 33333 reset in 376 ms.
Product exploration explored 100000 steps with 33333 reset in 332 ms.
Computed a total of 26 stabilizing places and 28 stable transitions
Graph (complete) has 2102 edges and 1505 vertex of which 1496 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.7 ms
Computed a total of 26 stabilizing places and 28 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 19 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-304-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-07 finished in 63107 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 1 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1541 transition count 1976
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1541 transition count 1976
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 29 place count 1541 transition count 1973
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 40 place count 1530 transition count 1961
Iterating global reduction 1 with 11 rules applied. Total rules applied 51 place count 1530 transition count 1961
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 52 place count 1530 transition count 1960
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 57 place count 1525 transition count 1954
Iterating global reduction 2 with 5 rules applied. Total rules applied 62 place count 1525 transition count 1954
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 1525 transition count 1953
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 67 place count 1521 transition count 1948
Iterating global reduction 3 with 4 rules applied. Total rules applied 71 place count 1521 transition count 1948
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 75 place count 1517 transition count 1944
Iterating global reduction 3 with 4 rules applied. Total rules applied 79 place count 1517 transition count 1944
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 80 place count 1517 transition count 1943
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 83 place count 1514 transition count 1940
Iterating global reduction 4 with 3 rules applied. Total rules applied 86 place count 1514 transition count 1940
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 89 place count 1511 transition count 1936
Iterating global reduction 4 with 3 rules applied. Total rules applied 92 place count 1511 transition count 1936
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 95 place count 1508 transition count 1931
Iterating global reduction 4 with 3 rules applied. Total rules applied 98 place count 1508 transition count 1931
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 100 place count 1506 transition count 1929
Iterating global reduction 4 with 2 rules applied. Total rules applied 102 place count 1506 transition count 1929
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 103 place count 1506 transition count 1928
Applied a total of 103 rules in 576 ms. Remains 1506 /1554 variables (removed 48) and now considering 1928/1990 (removed 62) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2025-05-30 05:50:56] [INFO ] Computed 4 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:50:56] [INFO ] Implicit Places using invariants in 244 ms returned []
[2025-05-30 05:50:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:50:57] [INFO ] Implicit Places using invariants and state equation in 930 ms returned []
Implicit Place search using SMT with State Equation took 1176 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2025-05-30 05:50:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60479ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60482ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1554 places, 1928/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62242 ms. Remains : 1506/1554 places, 1928/1990 transitions.
Stuttering acceptance computed with spot in 127 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-08
Stuttering criterion allowed to conclude after 91 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-08 finished in 62394 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(p1)||p0))))'
Support contains 4 out of 1554 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Graph (trivial) has 1892 edges and 1554 vertex of which 699 / 1554 are part of one of the 63 SCC in 1 ms
Free SCC test removed 636 places
Ensure Unique test removed 739 transitions
Reduce isomorphic transitions removed 739 transitions.
Graph (complete) has 1426 edges and 918 vertex of which 909 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 497 transitions
Trivial Post-agglo rules discarded 497 transitions
Performed 497 trivial Post agglomeration. Transition count delta: 497
Iterating post reduction 0 with 497 rules applied. Total rules applied 499 place count 908 transition count 748
Reduce places removed 497 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 520 rules applied. Total rules applied 1019 place count 411 transition count 725
Reduce places removed 11 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 12 rules applied. Total rules applied 1031 place count 400 transition count 724
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1032 place count 399 transition count 724
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1032 place count 399 transition count 678
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 1124 place count 353 transition count 678
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 1141 place count 336 transition count 652
Iterating global reduction 4 with 17 rules applied. Total rules applied 1158 place count 336 transition count 652
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1162 place count 336 transition count 648
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1164 place count 334 transition count 648
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1174 place count 324 transition count 635
Iterating global reduction 6 with 10 rules applied. Total rules applied 1184 place count 324 transition count 635
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1189 place count 324 transition count 630
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1192 place count 321 transition count 624
Iterating global reduction 7 with 3 rules applied. Total rules applied 1195 place count 321 transition count 624
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1198 place count 318 transition count 618
Iterating global reduction 7 with 3 rules applied. Total rules applied 1201 place count 318 transition count 618
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1202 place count 318 transition count 617
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1204 place count 316 transition count 613
Iterating global reduction 8 with 2 rules applied. Total rules applied 1206 place count 316 transition count 613
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 1208 place count 314 transition count 609
Iterating global reduction 8 with 2 rules applied. Total rules applied 1210 place count 314 transition count 609
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1211 place count 313 transition count 607
Iterating global reduction 8 with 1 rules applied. Total rules applied 1212 place count 313 transition count 607
Performed 146 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 146 places in 0 ms
Reduce places removed 146 places and 0 transitions.
Iterating global reduction 8 with 292 rules applied. Total rules applied 1504 place count 167 transition count 374
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 8 with 16 rules applied. Total rules applied 1520 place count 167 transition count 358
Discarding 6 places :
Symmetric choice reduction at 9 with 6 rule applications. Total rules 1526 place count 161 transition count 347
Iterating global reduction 9 with 6 rules applied. Total rules applied 1532 place count 161 transition count 347
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1533 place count 160 transition count 346
Iterating global reduction 9 with 1 rules applied. Total rules applied 1534 place count 160 transition count 346
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1535 place count 160 transition count 345
Performed 12 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 10 with 24 rules applied. Total rules applied 1559 place count 148 transition count 332
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 10 with 14 rules applied. Total rules applied 1573 place count 148 transition count 318
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 1574 place count 147 transition count 314
Iterating global reduction 11 with 1 rules applied. Total rules applied 1575 place count 147 transition count 314
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1577 place count 146 transition count 313
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 11 with 34 rules applied. Total rules applied 1611 place count 129 transition count 347
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 11 with 17 rules applied. Total rules applied 1628 place count 129 transition count 330
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 1637 place count 120 transition count 312
Iterating global reduction 12 with 9 rules applied. Total rules applied 1646 place count 120 transition count 312
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 1652 place count 120 transition count 306
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 13 with 36 rules applied. Total rules applied 1688 place count 120 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1689 place count 119 transition count 269
Applied a total of 1689 rules in 72 ms. Remains 119 /1554 variables (removed 1435) and now considering 269/1990 (removed 1721) transitions.
[2025-05-30 05:51:58] [INFO ] Flow matrix only has 212 transitions (discarded 57 similar events)
// Phase 1: matrix 212 rows 119 cols
[2025-05-30 05:51:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:51:58] [INFO ] Implicit Places using invariants in 89 ms returned []
[2025-05-30 05:51:58] [INFO ] Flow matrix only has 212 transitions (discarded 57 similar events)
[2025-05-30 05:51:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:51:58] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 05:51:58] [INFO ] Implicit Places using invariants and state equation in 268 ms returned [8, 45, 80]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 359 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1554 places, 269/1990 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 114 transition count 267
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 113 transition count 266
Applied a total of 3 rules in 7 ms. Remains 113 /116 variables (removed 3) and now considering 266/269 (removed 3) transitions.
[2025-05-30 05:51:58] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
// Phase 1: matrix 209 rows 113 cols
[2025-05-30 05:51:58] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:51:58] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-05-30 05:51:58] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:51:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:51:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 05:51:58] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 228 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 113/1554 places, 266/1990 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 667 ms. Remains : 113/1554 places, 266/1990 transitions.
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-09
Product exploration explored 100000 steps with 10109 reset in 230 ms.
Product exploration explored 100000 steps with 10155 reset in 167 ms.
Computed a total of 1 stabilizing places and 23 stable transitions
Computed a total of 1 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 105 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (4966 resets) in 182 ms. (218 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (712 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
[2025-05-30 05:51:59] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:51:59] [INFO ] Invariant cache hit.
[2025-05-30 05:51:59] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/61 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/212 variables, 28/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 105/317 variables, 68/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/317 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/321 variables, 4/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/322 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/61 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 151/212 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/212 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 105/317 variables, 68/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/321 variables, 4/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/321 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/321 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/322 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 125 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 246ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=13 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 239 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 113 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 113/113 places, 266/266 transitions.
Applied a total of 0 rules in 5 ms. Remains 113 /113 variables (removed 0) and now considering 266/266 (removed 0) transitions.
[2025-05-30 05:52:00] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:52:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:52:00] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-30 05:52:00] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:52:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:52:00] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-05-30 05:52:00] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 05:52:00] [INFO ] Redundant transitions in 68 ms returned []
Running 253 sub problems to find dead transitions.
[2025-05-30 05:52:00] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:52:00] [INFO ] Invariant cache hit.
[2025-05-30 05:52:00] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 208/318 variables, 110/110 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/318 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/318 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (OVERLAPS) 3/321 variables, 3/115 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (OVERLAPS) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 253 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/322 variables, and 115 constraints, problems are : Problem set: 0 solved, 253 unsolved in 11419 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 253 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 1 (OVERLAPS) 208/318 variables, 110/110 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/318 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/318 variables, 185/297 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/318 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 5 (OVERLAPS) 3/321 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 68/368 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 253 unsolved
At refinement iteration 8 (OVERLAPS) 0/321 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 253 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/322 variables, and 368 constraints, problems are : Problem set: 0 solved, 253 unsolved in 18124 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 253/253 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29610ms problems are : Problem set: 0 solved, 253 unsolved
Search for dead transitions found 0 dead transitions in 29610ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 29837 ms. Remains : 113/113 places, 266/266 transitions.
Computed a total of 1 stabilizing places and 23 stable transitions
Computed a total of 1 stabilizing places and 23 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 134 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (4958 resets) in 114 ms. (347 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (697 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
[2025-05-30 05:52:30] [INFO ] Flow matrix only has 209 transitions (discarded 57 similar events)
[2025-05-30 05:52:30] [INFO ] Invariant cache hit.
[2025-05-30 05:52:30] [INFO ] State equation strengthened by 2 read => feed constraints.
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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/61 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/212 variables, 28/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 105/317 variables, 68/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/317 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/321 variables, 4/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/321 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/322 variables, and 115 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/61 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 151/212 variables, 28/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/212 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 105/317 variables, 68/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/321 variables, 4/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/321 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/321 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/322 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 127 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 240ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 47 steps, including 3 resets, run visited all 1 properties in 1 ms. (steps per millisecond=47 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (OR (NOT p0) p1)))]
Knowledge based reduction with 9 factoid took 196 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 59 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 10184 reset in 143 ms.
Product exploration explored 100000 steps with 10269 reset in 144 ms.
Built C files in :
/tmp/ltsmin6615936573317684370
[2025-05-30 05:52:31] [INFO ] Computing symmetric may disable matrix : 266 transitions.
[2025-05-30 05:52:31] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 05:52:31] [INFO ] Computing symmetric may enable matrix : 266 transitions.
[2025-05-30 05:52:31] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 05:52:31] [INFO ] Computing Do-Not-Accords matrix : 266 transitions.
[2025-05-30 05:52:31] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-30 05:52:31] [INFO ] Built C files in 94ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6615936573317684370
Running compilation step : cd /tmp/ltsmin6615936573317684370;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 613 ms.
Running link step : cd /tmp/ltsmin6615936573317684370;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin6615936573317684370;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased15370220802352829061.hoa' '--buchi-type=spotba'
LTSmin run took 720 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-09 finished in 34666 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 X(X(p1))) U (p1&&X(p0)))))'
Support contains 3 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1542 transition count 1977
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1542 transition count 1977
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 26 place count 1542 transition count 1975
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 36 place count 1532 transition count 1964
Iterating global reduction 1 with 10 rules applied. Total rules applied 46 place count 1532 transition count 1964
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 47 place count 1532 transition count 1963
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 1528 transition count 1958
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 1528 transition count 1958
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 56 place count 1528 transition count 1957
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 59 place count 1525 transition count 1953
Iterating global reduction 3 with 3 rules applied. Total rules applied 62 place count 1525 transition count 1953
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 65 place count 1522 transition count 1950
Iterating global reduction 3 with 3 rules applied. Total rules applied 68 place count 1522 transition count 1950
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 69 place count 1522 transition count 1949
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 71 place count 1520 transition count 1947
Iterating global reduction 4 with 2 rules applied. Total rules applied 73 place count 1520 transition count 1947
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 75 place count 1518 transition count 1944
Iterating global reduction 4 with 2 rules applied. Total rules applied 77 place count 1518 transition count 1944
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 79 place count 1516 transition count 1941
Iterating global reduction 4 with 2 rules applied. Total rules applied 81 place count 1516 transition count 1941
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 83 place count 1514 transition count 1939
Iterating global reduction 4 with 2 rules applied. Total rules applied 85 place count 1514 transition count 1939
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 86 place count 1514 transition count 1938
Applied a total of 86 rules in 590 ms. Remains 1514 /1554 variables (removed 40) and now considering 1938/1990 (removed 52) transitions.
// Phase 1: matrix 1938 rows 1514 cols
[2025-05-30 05:52:33] [INFO ] Computed 4 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:52:33] [INFO ] Implicit Places using invariants in 212 ms returned []
[2025-05-30 05:52:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:52:34] [INFO ] Implicit Places using invariants and state equation in 958 ms returned []
Implicit Place search using SMT with State Equation took 1175 ms to find 0 implicit places.
Running 1937 sub problems to find dead transitions.
[2025-05-30 05:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1513/3452 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 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) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1513/3452 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 constraints, PredecessorRefiner: 0/1937 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60500ms problems are : Problem set: 0 solved, 1937 unsolved
Search for dead transitions found 0 dead transitions in 60503ms
Starting structural reductions in LTL mode, iteration 1 : 1514/1554 places, 1938/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62275 ms. Remains : 1514/1554 places, 1938/1990 transitions.
Stuttering acceptance computed with spot in 434 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), true, (NOT p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-10
Product exploration explored 100000 steps with 22244 reset in 265 ms.
Product exploration explored 100000 steps with 22309 reset in 391 ms.
Computed a total of 26 stabilizing places and 28 stable transitions
Graph (complete) has 2114 edges and 1514 vertex of which 1505 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Computed a total of 26 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X (AND p1 (NOT p0))), (X p1), (X (X p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 125 ms. Reduced automaton from 11 states, 27 edges and 2 AP (stutter sensitive) to 11 states, 27 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 405 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), true, (NOT p1), (NOT p1)]
RANDOM walk for 40000 steps (303 resets) in 121 ms. (327 steps per ms) remains 3/6 properties
BEST_FIRST walk for 40002 steps (83 resets) in 166 ms. (239 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (85 resets) in 78 ms. (506 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (80 resets) in 68 ms. (579 steps per ms) remains 3/3 properties
[2025-05-30 05:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1099/1102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 401/1503 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1503 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1928/3431 variables, 1503/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3431 variables, 0/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 2/3433 variables, 1/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3433 variables, 0/1508 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 2/3435 variables, 1/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3435 variables, 0/1509 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/3437 variables, 1/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3437 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 2/3439 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3439 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 2/3441 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3441 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 2/3443 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3443 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 2/3445 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/3445 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (OVERLAPS) 2/3447 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/3447 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 2/3449 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/3449 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 2/3451 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/3451 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (OVERLAPS) 1/3452 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/3452 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (OVERLAPS) 0/3452 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3452/3452 variables, and 1518 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2562 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1514/1514 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1099/1102 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1102 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 401/1503 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1503 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 1928/3431 variables, 1503/1507 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3431 variables, 3/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3431 variables, 0/1510 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 2/3433 variables, 1/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3433 variables, 0/1511 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 2/3435 variables, 1/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3435 variables, 0/1512 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 2/3437 variables, 1/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/3437 variables, 0/1513 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 2/3439 variables, 1/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/3439 variables, 0/1514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 2/3441 variables, 1/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/3441 variables, 0/1515 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 2/3443 variables, 1/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/3443 variables, 0/1516 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 2/3445 variables, 1/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/3445 variables, 0/1517 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 2/3447 variables, 1/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/3447 variables, 0/1518 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (OVERLAPS) 2/3449 variables, 1/1519 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/3449 variables, 0/1519 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 2/3451 variables, 1/1520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/3451 variables, 0/1520 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 28 (OVERLAPS) 1/3452 variables, 1/1521 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/3452 variables, 0/1521 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 30 (OVERLAPS) 0/3452 variables, 0/1521 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3452/3452 variables, and 1521 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4927 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1514/1514 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7501ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 502 ms.
Support contains 3 out of 1514 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1514/1514 places, 1938/1938 transitions.
Graph (trivial) has 1846 edges and 1514 vertex of which 693 / 1514 are part of one of the 63 SCC in 0 ms
Free SCC test removed 630 places
Drop transitions (Empty/Sink Transition effects.) removed 796 transitions
Reduce isomorphic transitions removed 796 transitions.
Graph (complete) has 1313 edges and 884 vertex of which 875 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 491 transitions
Trivial Post-agglo rules discarded 491 transitions
Performed 491 trivial Post agglomeration. Transition count delta: 491
Iterating post reduction 0 with 498 rules applied. Total rules applied 500 place count 875 transition count 640
Reduce places removed 491 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 1 with 548 rules applied. Total rules applied 1048 place count 384 transition count 583
Reduce places removed 37 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 38 rules applied. Total rules applied 1086 place count 347 transition count 582
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1087 place count 346 transition count 582
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 50 Pre rules applied. Total rules applied 1087 place count 346 transition count 532
Deduced a syphon composed of 50 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 4 with 100 rules applied. Total rules applied 1187 place count 296 transition count 532
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1197 place count 286 transition count 518
Iterating global reduction 4 with 10 rules applied. Total rules applied 1207 place count 286 transition count 518
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1209 place count 286 transition count 516
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1211 place count 284 transition count 516
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 1218 place count 277 transition count 508
Iterating global reduction 6 with 7 rules applied. Total rules applied 1225 place count 277 transition count 508
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1231 place count 277 transition count 502
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1232 place count 276 transition count 496
Iterating global reduction 7 with 1 rules applied. Total rules applied 1233 place count 276 transition count 496
Performed 148 Post agglomeration using F-continuation condition with reduction of 99 identical transitions.
Deduced a syphon composed of 148 places in 0 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 7 with 296 rules applied. Total rules applied 1529 place count 128 transition count 249
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1544 place count 128 transition count 234
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1547 place count 125 transition count 231
Iterating global reduction 8 with 3 rules applied. Total rules applied 1550 place count 125 transition count 231
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 1574 place count 113 transition count 217
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1588 place count 113 transition count 203
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 1590 place count 112 transition count 202
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1592 place count 112 transition count 200
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 1594 place count 111 transition count 199
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 1596 place count 111 transition count 197
Performed 32 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 32 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 11 with 64 rules applied. Total rules applied 1660 place count 79 transition count 217
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 11 with 47 rules applied. Total rules applied 1707 place count 79 transition count 170
Discarding 24 places :
Symmetric choice reduction at 12 with 24 rule applications. Total rules 1731 place count 55 transition count 138
Iterating global reduction 12 with 24 rules applied. Total rules applied 1755 place count 55 transition count 138
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 12 with 14 rules applied. Total rules applied 1769 place count 55 transition count 124
Discarding 6 places :
Symmetric choice reduction at 13 with 6 rule applications. Total rules 1775 place count 49 transition count 112
Iterating global reduction 13 with 6 rules applied. Total rules applied 1781 place count 49 transition count 112
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 1787 place count 49 transition count 106
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 1789 place count 48 transition count 118
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 1791 place count 48 transition count 116
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 15 with 34 rules applied. Total rules applied 1825 place count 48 transition count 82
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 1827 place count 46 transition count 76
Iterating global reduction 15 with 2 rules applied. Total rules applied 1829 place count 46 transition count 76
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 1831 place count 44 transition count 74
Iterating global reduction 15 with 2 rules applied. Total rules applied 1833 place count 44 transition count 74
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 1835 place count 44 transition count 72
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 1837 place count 44 transition count 70
Free-agglomeration rule applied 3 times.
Iterating global reduction 16 with 3 rules applied. Total rules applied 1840 place count 44 transition count 67
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 16 with 3 rules applied. Total rules applied 1843 place count 41 transition count 67
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 17 with 4 rules applied. Total rules applied 1847 place count 41 transition count 67
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 1849 place count 41 transition count 65
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 1850 place count 40 transition count 64
Applied a total of 1850 rules in 55 ms. Remains 40 /1514 variables (removed 1474) and now considering 64/1938 (removed 1874) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 40/1514 places, 64/1938 transitions.
RANDOM walk for 2454 steps (71 resets) in 5 ms. (409 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X (AND p1 (NOT p0))), (X p1), (X (X p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p0)))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (OR p1 p0))), (F (NOT (OR p1 (NOT p0))))]
Knowledge based reduction with 13 factoid took 405 ms. Reduced automaton from 11 states, 27 edges and 2 AP (stutter sensitive) to 11 states, 27 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 450 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), true, (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 456 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), true, (NOT p1), (NOT p1)]
[2025-05-30 05:53:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-05-30 05:53:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 8 ms returned sat
[2025-05-30 05:53:46] [INFO ] [Real]Absence check using state equation in 264 ms returned unsat
Proved EG (NOT p0)
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT p0)), (X (AND p1 (NOT p0))), (X p1), (X (X p1)), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X (AND p1 (NOT p0))))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p0)))), (F p0), (F (NOT p1)), (F (NOT (OR (NOT p1) (NOT p0)))), (F (NOT (OR p1 p0))), (F (NOT (OR p1 (NOT p0)))), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 13 factoid took 460 ms. Reduced automaton from 11 states, 27 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-304-LTLCardinality-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-10 finished in 74817 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(G(p1))||p0)))'
Support contains 2 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1542 transition count 1977
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1542 transition count 1977
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 27 place count 1542 transition count 1974
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 36 place count 1533 transition count 1964
Iterating global reduction 1 with 9 rules applied. Total rules applied 45 place count 1533 transition count 1964
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 46 place count 1533 transition count 1963
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 50 place count 1529 transition count 1959
Iterating global reduction 2 with 4 rules applied. Total rules applied 54 place count 1529 transition count 1959
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 55 place count 1529 transition count 1958
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 1526 transition count 1955
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 1526 transition count 1955
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 64 place count 1523 transition count 1952
Iterating global reduction 3 with 3 rules applied. Total rules applied 67 place count 1523 transition count 1952
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 70 place count 1520 transition count 1949
Iterating global reduction 3 with 3 rules applied. Total rules applied 73 place count 1520 transition count 1949
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 76 place count 1517 transition count 1945
Iterating global reduction 3 with 3 rules applied. Total rules applied 79 place count 1517 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 82 place count 1514 transition count 1940
Iterating global reduction 3 with 3 rules applied. Total rules applied 85 place count 1514 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 87 place count 1512 transition count 1938
Iterating global reduction 3 with 2 rules applied. Total rules applied 89 place count 1512 transition count 1938
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 90 place count 1512 transition count 1937
Applied a total of 90 rules in 584 ms. Remains 1512 /1554 variables (removed 42) and now considering 1937/1990 (removed 53) transitions.
// Phase 1: matrix 1937 rows 1512 cols
[2025-05-30 05:53:48] [INFO ] Computed 4 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:53:48] [INFO ] Implicit Places using invariants in 223 ms returned []
[2025-05-30 05:53:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:53:49] [INFO ] Implicit Places using invariants and state equation in 897 ms returned []
Implicit Place search using SMT with State Equation took 1122 ms to find 0 implicit places.
Running 1936 sub problems to find dead transitions.
[2025-05-30 05:53:49] [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, 1936 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1511/3449 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 1936/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1936 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1511 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1936 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1511/3449 variables, and 4 constraints, problems are : Problem set: 0 solved, 1936 unsolved in 30044 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1512 constraints, PredecessorRefiner: 0/1936 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60455ms problems are : Problem set: 0 solved, 1936 unsolved
Search for dead transitions found 0 dead transitions in 60458ms
Starting structural reductions in LTL mode, iteration 1 : 1512/1554 places, 1937/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62175 ms. Remains : 1512/1554 places, 1937/1990 transitions.
Stuttering acceptance computed with spot in 133 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-12
Product exploration explored 100000 steps with 50000 reset in 385 ms.
Product exploration explored 100000 steps with 50000 reset in 387 ms.
Computed a total of 26 stabilizing places and 28 stable transitions
Graph (complete) has 2114 edges and 1512 vertex of which 1503 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 26 stabilizing places and 28 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-304-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-12 finished in 63136 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1541 transition count 1976
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1541 transition count 1976
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 29 place count 1541 transition count 1973
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 39 place count 1531 transition count 1962
Iterating global reduction 1 with 10 rules applied. Total rules applied 49 place count 1531 transition count 1962
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 50 place count 1531 transition count 1961
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 55 place count 1526 transition count 1955
Iterating global reduction 2 with 5 rules applied. Total rules applied 60 place count 1526 transition count 1955
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 61 place count 1526 transition count 1954
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 65 place count 1522 transition count 1949
Iterating global reduction 3 with 4 rules applied. Total rules applied 69 place count 1522 transition count 1949
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 73 place count 1518 transition count 1945
Iterating global reduction 3 with 4 rules applied. Total rules applied 77 place count 1518 transition count 1945
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 78 place count 1518 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 81 place count 1515 transition count 1941
Iterating global reduction 4 with 3 rules applied. Total rules applied 84 place count 1515 transition count 1941
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 87 place count 1512 transition count 1937
Iterating global reduction 4 with 3 rules applied. Total rules applied 90 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 93 place count 1509 transition count 1932
Iterating global reduction 4 with 3 rules applied. Total rules applied 96 place count 1509 transition count 1932
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 98 place count 1507 transition count 1930
Iterating global reduction 4 with 2 rules applied. Total rules applied 100 place count 1507 transition count 1930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 101 place count 1507 transition count 1929
Applied a total of 101 rules in 577 ms. Remains 1507 /1554 variables (removed 47) and now considering 1929/1990 (removed 61) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2025-05-30 05:54:51] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:54:51] [INFO ] Implicit Places using invariants in 227 ms returned []
[2025-05-30 05:54:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:54:52] [INFO ] Implicit Places using invariants and state equation in 934 ms returned []
Implicit Place search using SMT with State Equation took 1164 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2025-05-30 05:54:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60445ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60449ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1554 places, 1929/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62199 ms. Remains : 1507/1554 places, 1929/1990 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-13
Stuttering criterion allowed to conclude after 107 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-13 finished in 62302 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 2 out of 1554 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Graph (trivial) has 1897 edges and 1554 vertex of which 701 / 1554 are part of one of the 63 SCC in 1 ms
Free SCC test removed 638 places
Ensure Unique test removed 742 transitions
Reduce isomorphic transitions removed 742 transitions.
Graph (complete) has 1423 edges and 916 vertex of which 907 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 499 transitions
Trivial Post-agglo rules discarded 499 transitions
Performed 499 trivial Post agglomeration. Transition count delta: 499
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 906 transition count 743
Reduce places removed 499 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 525 rules applied. Total rules applied 1026 place count 407 transition count 717
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 1039 place count 394 transition count 717
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1039 place count 394 transition count 671
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1131 place count 348 transition count 671
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1149 place count 330 transition count 643
Iterating global reduction 3 with 18 rules applied. Total rules applied 1167 place count 330 transition count 643
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 3 with 4 rules applied. Total rules applied 1171 place count 330 transition count 639
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1173 place count 328 transition count 639
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1183 place count 318 transition count 626
Iterating global reduction 5 with 10 rules applied. Total rules applied 1193 place count 318 transition count 626
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 1198 place count 318 transition count 621
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1201 place count 315 transition count 615
Iterating global reduction 6 with 3 rules applied. Total rules applied 1204 place count 315 transition count 615
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1207 place count 312 transition count 609
Iterating global reduction 6 with 3 rules applied. Total rules applied 1210 place count 312 transition count 609
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 1211 place count 312 transition count 608
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1213 place count 310 transition count 604
Iterating global reduction 7 with 2 rules applied. Total rules applied 1215 place count 310 transition count 604
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1217 place count 308 transition count 600
Iterating global reduction 7 with 2 rules applied. Total rules applied 1219 place count 308 transition count 600
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1220 place count 307 transition count 598
Iterating global reduction 7 with 1 rules applied. Total rules applied 1221 place count 307 transition count 598
Performed 143 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 7 with 286 rules applied. Total rules applied 1507 place count 164 transition count 372
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 16 rules applied. Total rules applied 1523 place count 164 transition count 356
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 1530 place count 157 transition count 343
Iterating global reduction 8 with 7 rules applied. Total rules applied 1537 place count 157 transition count 343
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1538 place count 157 transition count 342
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1539 place count 156 transition count 341
Iterating global reduction 9 with 1 rules applied. Total rules applied 1540 place count 156 transition count 341
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1541 place count 156 transition count 340
Performed 12 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 10 with 24 rules applied. Total rules applied 1565 place count 144 transition count 327
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 10 with 14 rules applied. Total rules applied 1579 place count 144 transition count 313
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 11 with 36 rules applied. Total rules applied 1615 place count 126 transition count 349
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 11 with 18 rules applied. Total rules applied 1633 place count 126 transition count 331
Discarding 9 places :
Symmetric choice reduction at 12 with 9 rule applications. Total rules 1642 place count 117 transition count 313
Iterating global reduction 12 with 9 rules applied. Total rules applied 1651 place count 117 transition count 313
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 1656 place count 117 transition count 308
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 13 with 37 rules applied. Total rules applied 1693 place count 117 transition count 271
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1694 place count 117 transition count 271
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 1695 place count 117 transition count 270
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 13 with 1 rules applied. Total rules applied 1696 place count 116 transition count 269
Applied a total of 1696 rules in 82 ms. Remains 116 /1554 variables (removed 1438) and now considering 269/1990 (removed 1721) transitions.
[2025-05-30 05:55:52] [INFO ] Flow matrix only has 213 transitions (discarded 56 similar events)
// Phase 1: matrix 213 rows 116 cols
[2025-05-30 05:55:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:53] [INFO ] Implicit Places using invariants in 74 ms returned []
[2025-05-30 05:55:53] [INFO ] Flow matrix only has 213 transitions (discarded 56 similar events)
[2025-05-30 05:55:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:53] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 05:55:53] [INFO ] Implicit Places using invariants and state equation in 218 ms returned [11, 46, 79]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 296 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1554 places, 269/1990 transitions.
Reduce places removed 1 places and 1 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 111 transition count 267
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 110 transition count 266
Applied a total of 3 rules in 9 ms. Remains 110 /113 variables (removed 3) and now considering 266/269 (removed 3) transitions.
[2025-05-30 05:55:53] [INFO ] Flow matrix only has 210 transitions (discarded 56 similar events)
// Phase 1: matrix 210 rows 110 cols
[2025-05-30 05:55:53] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:53] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-05-30 05:55:53] [INFO ] Flow matrix only has 210 transitions (discarded 56 similar events)
[2025-05-30 05:55:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 05:55:53] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1554 places, 266/1990 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 638 ms. Remains : 110/1554 places, 266/1990 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-14
Stuttering criterion allowed to conclude after 373 steps with 41 reset in 1 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-14 finished in 715 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((((X(X(X(p0)))&&F(p1)) U p1)&&G(F(p2)))))'
Support contains 5 out of 1554 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1554/1554 places, 1990/1990 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1541 transition count 1976
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1541 transition count 1976
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 29 place count 1541 transition count 1973
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 39 place count 1531 transition count 1962
Iterating global reduction 1 with 10 rules applied. Total rules applied 49 place count 1531 transition count 1962
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 50 place count 1531 transition count 1961
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 55 place count 1526 transition count 1955
Iterating global reduction 2 with 5 rules applied. Total rules applied 60 place count 1526 transition count 1955
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 61 place count 1526 transition count 1954
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 65 place count 1522 transition count 1949
Iterating global reduction 3 with 4 rules applied. Total rules applied 69 place count 1522 transition count 1949
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 73 place count 1518 transition count 1945
Iterating global reduction 3 with 4 rules applied. Total rules applied 77 place count 1518 transition count 1945
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 78 place count 1518 transition count 1944
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 81 place count 1515 transition count 1941
Iterating global reduction 4 with 3 rules applied. Total rules applied 84 place count 1515 transition count 1941
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 87 place count 1512 transition count 1937
Iterating global reduction 4 with 3 rules applied. Total rules applied 90 place count 1512 transition count 1937
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 93 place count 1509 transition count 1932
Iterating global reduction 4 with 3 rules applied. Total rules applied 96 place count 1509 transition count 1932
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 98 place count 1507 transition count 1930
Iterating global reduction 4 with 2 rules applied. Total rules applied 100 place count 1507 transition count 1930
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 101 place count 1507 transition count 1929
Applied a total of 101 rules in 570 ms. Remains 1507 /1554 variables (removed 47) and now considering 1929/1990 (removed 61) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2025-05-30 05:55:54] [INFO ] Computed 4 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:54] [INFO ] Implicit Places using invariants in 222 ms returned []
[2025-05-30 05:55:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:55:55] [INFO ] Implicit Places using invariants and state equation in 1037 ms returned []
Implicit Place search using SMT with State Equation took 1268 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2025-05-30 05:55:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30047 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60455ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60459ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1554 places, 1929/1990 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62303 ms. Remains : 1507/1554 places, 1929/1990 transitions.
Stuttering acceptance computed with spot in 319 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (NOT p0), (NOT p0), true]
Running random walk in product with property : CloudReconfiguration-PT-304-LTLCardinality-15
Stuttering criterion allowed to conclude after 90 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-304-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-304-LTLCardinality-15 finished in 62651 ms.
All properties solved by simple procedures.
Total runtime 572004 ms.
BK_STOP 1748584616323
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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-304"
export BK_EXAMINATION="LTLCardinality"
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-304, examination is LTLCardinality"
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-174854028100235"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-304.tgz
mv CloudReconfiguration-PT-304 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;