Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r480-tall-171624188800196.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is CloudReconfiguration-PT-311, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r480-tall-171624188800196
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 15:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 11 19:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Apr 11 19:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 11 19:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Apr 11 19:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 660K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-311-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717181627942

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-311
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:53:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 18:53:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:53:49] [INFO ] Load time of PNML (sax parser for PT used): 167 ms
[2024-05-31 18:53:49] [INFO ] Transformed 2585 places.
[2024-05-31 18:53:49] [INFO ] Transformed 3095 transitions.
[2024-05-31 18:53:49] [INFO ] Found NUPN structural information;
[2024-05-31 18:53:49] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 299 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Support contains 39 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 516 places :
Symmetric choice reduction at 0 with 516 rule applications. Total rules 516 place count 2069 transition count 2579
Iterating global reduction 0 with 516 rules applied. Total rules applied 1032 place count 2069 transition count 2579
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 1060 place count 2069 transition count 2551
Discarding 235 places :
Symmetric choice reduction at 1 with 235 rule applications. Total rules 1295 place count 1834 transition count 2316
Iterating global reduction 1 with 235 rules applied. Total rules applied 1530 place count 1834 transition count 2316
Discarding 87 places :
Symmetric choice reduction at 1 with 87 rule applications. Total rules 1617 place count 1747 transition count 2229
Iterating global reduction 1 with 87 rules applied. Total rules applied 1704 place count 1747 transition count 2229
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 1721 place count 1747 transition count 2212
Discarding 47 places :
Symmetric choice reduction at 2 with 47 rule applications. Total rules 1768 place count 1700 transition count 2165
Iterating global reduction 2 with 47 rules applied. Total rules applied 1815 place count 1700 transition count 2165
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1823 place count 1700 transition count 2157
Discarding 37 places :
Symmetric choice reduction at 3 with 37 rule applications. Total rules 1860 place count 1663 transition count 2115
Iterating global reduction 3 with 37 rules applied. Total rules applied 1897 place count 1663 transition count 2115
Discarding 26 places :
Symmetric choice reduction at 3 with 26 rule applications. Total rules 1923 place count 1637 transition count 2089
Iterating global reduction 3 with 26 rules applied. Total rules applied 1949 place count 1637 transition count 2089
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 1972 place count 1614 transition count 2066
Iterating global reduction 3 with 23 rules applied. Total rules applied 1995 place count 1614 transition count 2066
Discarding 23 places :
Symmetric choice reduction at 3 with 23 rule applications. Total rules 2018 place count 1591 transition count 2043
Iterating global reduction 3 with 23 rules applied. Total rules applied 2041 place count 1591 transition count 2043
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 2061 place count 1571 transition count 2010
Iterating global reduction 3 with 20 rules applied. Total rules applied 2081 place count 1571 transition count 2010
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 2084 place count 1568 transition count 2005
Iterating global reduction 3 with 3 rules applied. Total rules applied 2087 place count 1568 transition count 2005
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 2090 place count 1565 transition count 2000
Iterating global reduction 3 with 3 rules applied. Total rules applied 2093 place count 1565 transition count 2000
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 2095 place count 1563 transition count 1998
Iterating global reduction 3 with 2 rules applied. Total rules applied 2097 place count 1563 transition count 1998
Applied a total of 2097 rules in 1461 ms. Remains 1563 /2585 variables (removed 1022) and now considering 1998/3095 (removed 1097) transitions.
// Phase 1: matrix 1998 rows 1563 cols
[2024-05-31 18:53:51] [INFO ] Computed 4 invariants in 41 ms
[2024-05-31 18:53:51] [INFO ] Implicit Places using invariants in 442 ms returned []
[2024-05-31 18:53:51] [INFO ] Invariant cache hit.
[2024-05-31 18:53:52] [INFO ] Implicit Places using invariants and state equation in 1028 ms returned []
Implicit Place search using SMT with State Equation took 1507 ms to find 0 implicit places.
Running 1997 sub problems to find dead transitions.
[2024-05-31 18:53:52] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1562 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1997 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1562/3561 variables, and 4 constraints, problems are : Problem set: 0 solved, 1997 unsolved in 30068 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1563 constraints, PredecessorRefiner: 1997/1997 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1997 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1562 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1997 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1562/3561 variables, and 4 constraints, problems are : Problem set: 0 solved, 1997 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1563 constraints, PredecessorRefiner: 0/1997 constraints, Known Traps: 0/0 constraints]
After SMT, in 60726ms problems are : Problem set: 0 solved, 1997 unsolved
Search for dead transitions found 0 dead transitions in 60766ms
Starting structural reductions in LTL mode, iteration 1 : 1563/2585 places, 1998/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63765 ms. Remains : 1563/2585 places, 1998/3095 transitions.
Support contains 39 out of 1563 places after structural reductions.
[2024-05-31 18:54:53] [INFO ] Flatten gal took : 129 ms
[2024-05-31 18:54:53] [INFO ] Flatten gal took : 74 ms
[2024-05-31 18:54:54] [INFO ] Input system was already deterministic with 1998 transitions.
RANDOM walk for 40000 steps (404 resets) in 1725 ms. (23 steps per ms) remains 27/38 properties
BEST_FIRST walk for 4003 steps (13 resets) in 46 ms. (85 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (13 resets) in 54 ms. (72 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (18 resets) in 33 ms. (117 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (15 resets) in 42 ms. (93 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (14 resets) in 36 ms. (108 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (12 resets) in 33 ms. (117 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4002 steps (13 resets) in 27 ms. (142 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (15 resets) in 22 ms. (174 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4000 steps (12 resets) in 25 ms. (153 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (17 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (18 resets) in 25 ms. (153 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (12 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (16 resets) in 20 ms. (190 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (13 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (15 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4000 steps (13 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (17 resets) in 31 ms. (125 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (14 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (15 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (17 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (15 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (12 resets) in 16 ms. (235 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (17 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (16 resets) in 29 ms. (133 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4002 steps (10 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4001 steps (12 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
[2024-05-31 18:54:54] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1524/1552 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1552 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1988/3540 variables, 1552/1556 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3540 variables, 0/1556 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 2/3542 variables, 1/1557 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3542 variables, 0/1557 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 2/3544 variables, 1/1558 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3544 variables, 0/1558 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 2/3546 variables, 1/1559 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3546/3561 variables, and 1559 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5011 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1555/1563 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 1524/1552 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1552 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 1988/3540 variables, 1552/1556 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3540 variables, 26/1582 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3540 variables, 0/1582 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 2/3542 variables, 1/1583 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3542 variables, 0/1583 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 2/3544 variables, 1/1584 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3544 variables, 0/1584 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 2/3546 variables, 1/1585 constraints. Problems are: Problem set: 0 solved, 26 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 3546/3561 variables, and 1585 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5017 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 1555/1563 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
After SMT, in 10051ms problems are : Problem set: 0 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 28 out of 1563 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Graph (trivial) has 1843 edges and 1563 vertex of which 634 / 1563 are part of one of the 61 SCC in 13 ms
Free SCC test removed 573 places
Drop transitions (Empty/Sink Transition effects.) removed 717 transitions
Reduce isomorphic transitions removed 717 transitions.
Graph (complete) has 1454 edges and 990 vertex of which 981 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 514 transitions
Trivial Post-agglo rules discarded 514 transitions
Performed 514 trivial Post agglomeration. Transition count delta: 514
Iterating post reduction 0 with 520 rules applied. Total rules applied 522 place count 981 transition count 757
Reduce places removed 514 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 564 rules applied. Total rules applied 1086 place count 467 transition count 707
Reduce places removed 32 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 34 rules applied. Total rules applied 1120 place count 435 transition count 705
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 1123 place count 434 transition count 703
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 1127 place count 433 transition count 700
Reduce places removed 2 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 5 with 14 rules applied. Total rules applied 1141 place count 431 transition count 688
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 15 rules applied. Total rules applied 1156 place count 419 transition count 685
Performed 55 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 55 Pre rules applied. Total rules applied 1156 place count 419 transition count 630
Deduced a syphon composed of 55 places in 0 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 7 with 110 rules applied. Total rules applied 1266 place count 364 transition count 630
Discarding 8 places :
Symmetric choice reduction at 7 with 8 rule applications. Total rules 1274 place count 356 transition count 619
Iterating global reduction 7 with 8 rules applied. Total rules applied 1282 place count 356 transition count 619
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 1287 place count 351 transition count 614
Iterating global reduction 7 with 5 rules applied. Total rules applied 1292 place count 351 transition count 614
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 1297 place count 351 transition count 609
Performed 171 Post agglomeration using F-continuation condition with reduction of 98 identical transitions.
Deduced a syphon composed of 171 places in 1 ms
Reduce places removed 171 places and 0 transitions.
Iterating global reduction 8 with 342 rules applied. Total rules applied 1639 place count 180 transition count 340
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 8 with 18 rules applied. Total rules applied 1657 place count 180 transition count 322
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 1660 place count 177 transition count 319
Iterating global reduction 9 with 3 rules applied. Total rules applied 1663 place count 177 transition count 319
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1664 place count 176 transition count 318
Iterating global reduction 9 with 1 rules applied. Total rules applied 1665 place count 176 transition count 318
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1666 place count 176 transition count 317
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 10 with 16 rules applied. Total rules applied 1682 place count 168 transition count 309
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1693 place count 168 transition count 298
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 1695 place count 167 transition count 297
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 1698 place count 167 transition count 294
Performed 36 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 12 with 72 rules applied. Total rules applied 1770 place count 131 transition count 320
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 12 with 33 rules applied. Total rules applied 1803 place count 131 transition count 287
Discarding 18 places :
Symmetric choice reduction at 13 with 18 rule applications. Total rules 1821 place count 113 transition count 251
Iterating global reduction 13 with 18 rules applied. Total rules applied 1839 place count 113 transition count 251
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 13 with 8 rules applied. Total rules applied 1847 place count 113 transition count 243
Discarding 4 places :
Symmetric choice reduction at 14 with 4 rule applications. Total rules 1851 place count 109 transition count 235
Iterating global reduction 14 with 4 rules applied. Total rules applied 1855 place count 109 transition count 235
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 1858 place count 109 transition count 232
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 15 with 15 rules applied. Total rules applied 1873 place count 109 transition count 217
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 1874 place count 108 transition count 216
Iterating global reduction 15 with 1 rules applied. Total rules applied 1875 place count 108 transition count 216
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 1877 place count 107 transition count 215
Free-agglomeration rule applied 5 times.
Iterating global reduction 15 with 5 rules applied. Total rules applied 1882 place count 107 transition count 210
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 15 with 5 rules applied. Total rules applied 1887 place count 102 transition count 210
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 16 with 3 rules applied. Total rules applied 1890 place count 102 transition count 207
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 16 with 7 rules applied. Total rules applied 1897 place count 102 transition count 207
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 1898 place count 102 transition count 206
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 16 with 2 rules applied. Total rules applied 1900 place count 102 transition count 206
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 1901 place count 101 transition count 205
Applied a total of 1901 rules in 220 ms. Remains 101 /1563 variables (removed 1462) and now considering 205/1998 (removed 1793) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220 ms. Remains : 101/1563 places, 205/1998 transitions.
RANDOM walk for 40000 steps (4027 resets) in 801 ms. (49 steps per ms) remains 6/26 properties
BEST_FIRST walk for 40003 steps (1017 resets) in 80 ms. (493 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (780 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (996 resets) in 84 ms. (470 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (996 resets) in 66 ms. (597 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (998 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (1013 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
[2024-05-31 18:55:05] [INFO ] Flow matrix only has 197 transitions (discarded 8 similar events)
// Phase 1: matrix 197 rows 101 cols
[2024-05-31 18:55:05] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 18:55:05] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp8 is UNSAT
At refinement iteration 1 (OVERLAPS) 46/56 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 150/206 variables, 56/58 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 2/60 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/60 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 66/272 variables, 28/88 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 5/93 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 8/280 variables, 1/94 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/280 variables, 1/95 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/280 variables, 0/95 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 16/296 variables, 14/109 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/296 variables, 0/109 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 2/298 variables, 2/111 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/298 variables, 0/111 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/298 variables, 0/111 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 298/298 variables, and 111 constraints, problems are : Problem set: 2 solved, 4 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 117/147 variables, 30/31 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 1/32 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 3/35 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 0/35 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 109/256 variables, 43/78 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/256 variables, 6/84 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/256 variables, 1/85 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/256 variables, 0/85 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 19/275 variables, 2/87 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/275 variables, 4/91 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/275 variables, 0/91 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 21/296 variables, 22/113 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/296 variables, 0/113 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 2/298 variables, 2/115 constraints. Problems are: Problem set: 2 solved, 4 unsolved
[2024-05-31 18:55:06] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 7 ms to minimize.
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp27 is UNSAT
After SMT solving in domain Int declared 298/298 variables, and 116 constraints, problems are : Problem set: 6 solved, 0 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 4/6 constraints, Known Traps: 1/1 constraints]
After SMT, in 475ms problems are : Problem set: 6 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CloudReconfiguration-PT-311-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 6 atomic propositions for a total of 15 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA CloudReconfiguration-PT-311-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-311-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-311-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 28 stabilizing places and 30 stable transitions
Graph (complete) has 2175 edges and 1563 vertex of which 1554 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.24 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||X(F(p1))))))'
Support contains 2 out of 1563 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Graph (trivial) has 1907 edges and 1563 vertex of which 697 / 1563 are part of one of the 63 SCC in 4 ms
Free SCC test removed 634 places
Ensure Unique test removed 736 transitions
Reduce isomorphic transitions removed 736 transitions.
Graph (complete) has 1434 edges and 929 vertex of which 920 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 511 transitions
Trivial Post-agglo rules discarded 511 transitions
Performed 511 trivial Post agglomeration. Transition count delta: 511
Iterating post reduction 0 with 511 rules applied. Total rules applied 513 place count 919 transition count 745
Reduce places removed 511 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 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 538 rules applied. Total rules applied 1051 place count 408 transition count 718
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 1065 place count 394 transition count 718
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 45 Pre rules applied. Total rules applied 1065 place count 394 transition count 673
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 3 with 90 rules applied. Total rules applied 1155 place count 349 transition count 673
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1168 place count 336 transition count 652
Iterating global reduction 3 with 13 rules applied. Total rules applied 1181 place count 336 transition count 652
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 2 rules applied. Total rules applied 1183 place count 336 transition count 650
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1184 place count 335 transition count 650
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 1192 place count 327 transition count 639
Iterating global reduction 5 with 8 rules applied. Total rules applied 1200 place count 327 transition count 639
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 1205 place count 327 transition count 634
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1206 place count 326 transition count 632
Iterating global reduction 6 with 1 rules applied. Total rules applied 1207 place count 326 transition count 632
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1208 place count 325 transition count 630
Iterating global reduction 6 with 1 rules applied. Total rules applied 1209 place count 325 transition count 630
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1210 place count 324 transition count 628
Iterating global reduction 6 with 1 rules applied. Total rules applied 1211 place count 324 transition count 628
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1212 place count 323 transition count 626
Iterating global reduction 6 with 1 rules applied. Total rules applied 1213 place count 323 transition count 626
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1214 place count 322 transition count 624
Iterating global reduction 6 with 1 rules applied. Total rules applied 1215 place count 322 transition count 624
Performed 154 Post agglomeration using F-continuation condition with reduction of 94 identical transitions.
Deduced a syphon composed of 154 places in 0 ms
Reduce places removed 154 places and 0 transitions.
Iterating global reduction 6 with 308 rules applied. Total rules applied 1523 place count 168 transition count 376
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1536 place count 168 transition count 363
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 1542 place count 162 transition count 352
Iterating global reduction 7 with 6 rules applied. Total rules applied 1548 place count 162 transition count 352
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1549 place count 161 transition count 351
Iterating global reduction 7 with 1 rules applied. Total rules applied 1550 place count 161 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1551 place count 161 transition count 350
Performed 11 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 8 with 22 rules applied. Total rules applied 1573 place count 150 transition count 338
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 8 with 10 rules applied. Total rules applied 1583 place count 150 transition count 328
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 1584 place count 149 transition count 326
Iterating global reduction 9 with 1 rules applied. Total rules applied 1585 place count 149 transition count 326
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -37
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 9 with 38 rules applied. Total rules applied 1623 place count 130 transition count 363
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 9 with 22 rules applied. Total rules applied 1645 place count 130 transition count 341
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1654 place count 121 transition count 323
Iterating global reduction 10 with 9 rules applied. Total rules applied 1663 place count 121 transition count 323
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1669 place count 121 transition count 317
Drop transitions (Redundant composition of simpler transitions.) removed 41 transitions
Redundant transition composition rules discarded 41 transitions
Iterating global reduction 11 with 41 rules applied. Total rules applied 1710 place count 121 transition count 276
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1711 place count 120 transition count 275
Applied a total of 1711 rules in 164 ms. Remains 120 /1563 variables (removed 1443) and now considering 275/1998 (removed 1723) transitions.
[2024-05-31 18:55:06] [INFO ] Flow matrix only has 216 transitions (discarded 59 similar events)
// Phase 1: matrix 216 rows 120 cols
[2024-05-31 18:55:06] [INFO ] Computed 0 invariants in 1 ms
[2024-05-31 18:55:06] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-31 18:55:06] [INFO ] Flow matrix only has 216 transitions (discarded 59 similar events)
[2024-05-31 18:55:06] [INFO ] Invariant cache hit.
[2024-05-31 18:55:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-31 18:55:06] [INFO ] Implicit Places using invariants and state equation in 128 ms returned [46, 47]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 223 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/1563 places, 275/1998 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 116 transition count 273
Applied a total of 4 rules in 8 ms. Remains 116 /118 variables (removed 2) and now considering 273/275 (removed 2) transitions.
[2024-05-31 18:55:06] [INFO ] Flow matrix only has 214 transitions (discarded 59 similar events)
// Phase 1: matrix 214 rows 116 cols
[2024-05-31 18:55:06] [INFO ] Computed 0 invariants in 2 ms
[2024-05-31 18:55:07] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 18:55:07] [INFO ] Flow matrix only has 214 transitions (discarded 59 similar events)
[2024-05-31 18:55:07] [INFO ] Invariant cache hit.
[2024-05-31 18:55:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-31 18:55:07] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 116/1563 places, 273/1998 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 571 ms. Remains : 116/1563 places, 273/1998 transitions.
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-00
Product exploration explored 100000 steps with 12639 reset in 226 ms.
Product exploration explored 100000 steps with 12683 reset in 180 ms.
Computed a total of 3 stabilizing places and 17 stable transitions
Computed a total of 3 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (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 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (6162 resets) in 394 ms. (101 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (1458 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
[2024-05-31 18:55:08] [INFO ] Flow matrix only has 214 transitions (discarded 59 similar events)
[2024-05-31 18:55:08] [INFO ] Invariant cache hit.
[2024-05-31 18:55:08] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/16 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 114/130 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 190/320 variables, 96/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/320 variables, 3/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/329 variables, 9/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/329 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/330 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/330 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[State Equation: 116/116 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/16 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 114/130 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 190/320 variables, 96/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/320 variables, 3/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/320 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/329 variables, 9/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/329 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/330 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/330 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/330 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[State Equation: 116/116 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 203ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 116 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 116/116 places, 273/273 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 68 rules applied. Total rules applied 68 place count 116 transition count 205
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 77 place count 107 transition count 205
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 77 place count 107 transition count 204
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 79 place count 106 transition count 204
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 123 place count 84 transition count 182
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 133 place count 84 transition count 172
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 142 place count 75 transition count 163
Iterating global reduction 3 with 9 rules applied. Total rules applied 151 place count 75 transition count 163
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 154 place count 75 transition count 160
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 174 place count 65 transition count 150
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 184 place count 65 transition count 140
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 192 place count 57 transition count 130
Iterating global reduction 5 with 8 rules applied. Total rules applied 200 place count 57 transition count 130
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 208 place count 57 transition count 122
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 6 with 16 rules applied. Total rules applied 224 place count 49 transition count 123
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 235 place count 49 transition count 112
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 241 place count 43 transition count 104
Iterating global reduction 7 with 6 rules applied. Total rules applied 247 place count 43 transition count 104
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 253 place count 43 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 8 with 10 rules applied. Total rules applied 263 place count 43 transition count 88
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 265 place count 41 transition count 82
Iterating global reduction 8 with 2 rules applied. Total rules applied 267 place count 41 transition count 82
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 269 place count 41 transition count 80
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 271 place count 39 transition count 78
Iterating global reduction 9 with 2 rules applied. Total rules applied 273 place count 39 transition count 78
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 277 place count 39 transition count 74
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
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 279 place count 38 transition count 84
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 283 place count 38 transition count 80
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 288 place count 34 transition count 79
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 290 place count 34 transition count 79
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 291 place count 34 transition count 78
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 292 place count 33 transition count 77
Iterating global reduction 11 with 1 rules applied. Total rules applied 293 place count 33 transition count 77
Applied a total of 293 rules in 28 ms. Remains 33 /116 variables (removed 83) and now considering 77/273 (removed 196) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 33/116 places, 77/273 transitions.
RANDOM walk for 40000 steps (845 resets) in 280 ms. (142 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (263 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Probably explored full state space saw : 1436 states, properties seen :0
Probabilistic random walk after 5886 steps, saw 1436 distinct states, run finished after 22 ms. (steps per millisecond=267 ) properties seen :0
Explored full state space saw : 1436 states, properties seen :0
Exhaustive walk after 5886 steps, saw 1436 distinct states, run finished after 11 ms. (steps per millisecond=535 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (G (OR p0 p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p1))), (F (NOT p1)), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 15 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-00 finished in 1985 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U p1)))'
Support contains 2 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1546 transition count 1980
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1546 transition count 1980
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1546 transition count 1979
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 46 place count 1535 transition count 1968
Iterating global reduction 1 with 11 rules applied. Total rules applied 57 place count 1535 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 58 place count 1535 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 65 place count 1528 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 72 place count 1528 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 73 place count 1528 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 78 place count 1523 transition count 1952
Iterating global reduction 3 with 5 rules applied. Total rules applied 83 place count 1523 transition count 1952
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 84 place count 1523 transition count 1951
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 88 place count 1519 transition count 1945
Iterating global reduction 4 with 4 rules applied. Total rules applied 92 place count 1519 transition count 1945
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 95 place count 1516 transition count 1942
Iterating global reduction 4 with 3 rules applied. Total rules applied 98 place count 1516 transition count 1942
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 99 place count 1516 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 100 place count 1515 transition count 1940
Iterating global reduction 5 with 1 rules applied. Total rules applied 101 place count 1515 transition count 1940
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 102 place count 1514 transition count 1939
Iterating global reduction 5 with 1 rules applied. Total rules applied 103 place count 1514 transition count 1939
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 104 place count 1513 transition count 1938
Iterating global reduction 5 with 1 rules applied. Total rules applied 105 place count 1513 transition count 1938
Applied a total of 105 rules in 506 ms. Remains 1513 /1563 variables (removed 50) and now considering 1938/1998 (removed 60) transitions.
// Phase 1: matrix 1938 rows 1513 cols
[2024-05-31 18:55:09] [INFO ] Computed 4 invariants in 22 ms
[2024-05-31 18:55:09] [INFO ] Implicit Places using invariants in 278 ms returned []
[2024-05-31 18:55:09] [INFO ] Invariant cache hit.
[2024-05-31 18:55:10] [INFO ] Implicit Places using invariants and state equation in 958 ms returned []
Implicit Place search using SMT with State Equation took 1238 ms to find 0 implicit places.
Running 1937 sub problems to find dead transitions.
[2024-05-31 18:55:10] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1937 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1512/3451 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 1937/1937 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1937 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1512 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 1512/3451 variables, and 4 constraints, problems are : Problem set: 0 solved, 1937 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1513 constraints, PredecessorRefiner: 0/1937 constraints, Known Traps: 0/0 constraints]
After SMT, in 60613ms problems are : Problem set: 0 solved, 1937 unsolved
Search for dead transitions found 0 dead transitions in 60632ms
Starting structural reductions in LTL mode, iteration 1 : 1513/1563 places, 1938/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62381 ms. Remains : 1513/1563 places, 1938/1998 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 524 ms.
Product exploration explored 100000 steps with 50000 reset in 478 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2115 edges and 1513 vertex of which 1504 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 18 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-01 finished in 63535 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1545 transition count 1979
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1545 transition count 1979
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 37 place count 1545 transition count 1978
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 49 place count 1533 transition count 1966
Iterating global reduction 1 with 12 rules applied. Total rules applied 61 place count 1533 transition count 1966
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 62 place count 1533 transition count 1965
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 70 place count 1525 transition count 1957
Iterating global reduction 2 with 8 rules applied. Total rules applied 78 place count 1525 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 79 place count 1525 transition count 1956
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 85 place count 1519 transition count 1948
Iterating global reduction 3 with 6 rules applied. Total rules applied 91 place count 1519 transition count 1948
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 92 place count 1519 transition count 1947
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 97 place count 1514 transition count 1939
Iterating global reduction 4 with 5 rules applied. Total rules applied 102 place count 1514 transition count 1939
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 106 place count 1510 transition count 1934
Iterating global reduction 4 with 4 rules applied. Total rules applied 110 place count 1510 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 111 place count 1510 transition count 1933
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 113 place count 1508 transition count 1931
Iterating global reduction 5 with 2 rules applied. Total rules applied 115 place count 1508 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 116 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 117 place count 1507 transition count 1929
Iterating global reduction 6 with 1 rules applied. Total rules applied 118 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 119 place count 1506 transition count 1928
Iterating global reduction 6 with 1 rules applied. Total rules applied 120 place count 1506 transition count 1928
Applied a total of 120 rules in 482 ms. Remains 1506 /1563 variables (removed 57) and now considering 1928/1998 (removed 70) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2024-05-31 18:56:12] [INFO ] Computed 4 invariants in 20 ms
[2024-05-31 18:56:12] [INFO ] Implicit Places using invariants in 264 ms returned []
[2024-05-31 18:56:12] [INFO ] Invariant cache hit.
[2024-05-31 18:56:13] [INFO ] Implicit Places using invariants and state equation in 938 ms returned []
Implicit Place search using SMT with State Equation took 1204 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2024-05-31 18:56:13] [INFO ] Invariant cache hit.
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(s693 1.0)
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(s708 timeout
0.0)
(s709 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 30035 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints]
After SMT, in 60540ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60560ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1563 places, 1928/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62251 ms. Remains : 1506/1563 places, 1928/1998 transitions.
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-03 finished in 62376 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (p1||(p2&&X(p3))))))'
Support contains 4 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 1548 transition count 1982
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 1548 transition count 1982
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 31 place count 1548 transition count 1981
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 41 place count 1538 transition count 1971
Iterating global reduction 1 with 10 rules applied. Total rules applied 51 place count 1538 transition count 1971
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 1538 transition count 1970
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 59 place count 1531 transition count 1963
Iterating global reduction 2 with 7 rules applied. Total rules applied 66 place count 1531 transition count 1963
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 67 place count 1531 transition count 1962
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 72 place count 1526 transition count 1955
Iterating global reduction 3 with 5 rules applied. Total rules applied 77 place count 1526 transition count 1955
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 1526 transition count 1954
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 82 place count 1522 transition count 1947
Iterating global reduction 4 with 4 rules applied. Total rules applied 86 place count 1522 transition count 1947
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 89 place count 1519 transition count 1943
Iterating global reduction 4 with 3 rules applied. Total rules applied 92 place count 1519 transition count 1943
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 93 place count 1519 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 94 place count 1518 transition count 1941
Iterating global reduction 5 with 1 rules applied. Total rules applied 95 place count 1518 transition count 1941
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 96 place count 1518 transition count 1940
Applied a total of 96 rules in 411 ms. Remains 1518 /1563 variables (removed 45) and now considering 1940/1998 (removed 58) transitions.
// Phase 1: matrix 1940 rows 1518 cols
[2024-05-31 18:57:14] [INFO ] Computed 4 invariants in 18 ms
[2024-05-31 18:57:15] [INFO ] Implicit Places using invariants in 258 ms returned []
[2024-05-31 18:57:15] [INFO ] Invariant cache hit.
[2024-05-31 18:57:16] [INFO ] Implicit Places using invariants and state equation in 1072 ms returned []
Implicit Place search using SMT with State Equation took 1333 ms to find 0 implicit places.
Running 1939 sub problems to find dead transitions.
[2024-05-31 18:57:16] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1517 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1517/3458 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1518 constraints, PredecessorRefiner: 1939/1939 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1939 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1517 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1517/3458 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1518 constraints, PredecessorRefiner: 0/1939 constraints, Known Traps: 0/0 constraints]
After SMT, in 60520ms problems are : Problem set: 0 solved, 1939 unsolved
Search for dead transitions found 0 dead transitions in 60536ms
Starting structural reductions in LTL mode, iteration 1 : 1518/1563 places, 1940/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62286 ms. Remains : 1518/1563 places, 1940/1998 transitions.
Stuttering acceptance computed with spot in 226 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p3), (AND (NOT p1) (NOT p3)), true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3)))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 397 ms.
Product exploration explored 100000 steps with 33333 reset in 431 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2117 edges and 1518 vertex of which 1509 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.6 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 (NOT p0) p3), (X p2), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (AND (NOT p1) p2 (NOT p0))), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT p0)), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) p2 p0 (NOT p3))))), (X (X p3)), (X (X (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0 (NOT p3))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 33 ms. Reduced automaton from 5 states, 11 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-05 finished in 63413 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1563 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Graph (trivial) has 1909 edges and 1563 vertex of which 700 / 1563 are part of one of the 63 SCC in 6 ms
Free SCC test removed 637 places
Ensure Unique test removed 740 transitions
Reduce isomorphic transitions removed 740 transitions.
Graph (complete) has 1430 edges and 926 vertex of which 917 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 510 transitions
Trivial Post-agglo rules discarded 510 transitions
Performed 510 trivial Post agglomeration. Transition count delta: 510
Iterating post reduction 0 with 510 rules applied. Total rules applied 512 place count 916 transition count 742
Reduce places removed 510 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 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 537 rules applied. Total rules applied 1049 place count 406 transition count 715
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 1063 place count 392 transition count 715
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 45 Pre rules applied. Total rules applied 1063 place count 392 transition count 670
Deduced a syphon composed of 45 places in 0 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 3 with 90 rules applied. Total rules applied 1153 place count 347 transition count 670
Discarding 15 places :
Symmetric choice reduction at 3 with 15 rule applications. Total rules 1168 place count 332 transition count 645
Iterating global reduction 3 with 15 rules applied. Total rules applied 1183 place count 332 transition count 645
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 2 rules applied. Total rules applied 1185 place count 332 transition count 643
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 1186 place count 331 transition count 643
Discarding 9 places :
Symmetric choice reduction at 5 with 9 rule applications. Total rules 1195 place count 322 transition count 630
Iterating global reduction 5 with 9 rules applied. Total rules applied 1204 place count 322 transition count 630
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 1209 place count 322 transition count 625
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1211 place count 320 transition count 621
Iterating global reduction 6 with 2 rules applied. Total rules applied 1213 place count 320 transition count 621
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1215 place count 318 transition count 617
Iterating global reduction 6 with 2 rules applied. Total rules applied 1217 place count 318 transition count 617
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1219 place count 316 transition count 613
Iterating global reduction 6 with 2 rules applied. Total rules applied 1221 place count 316 transition count 613
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1223 place count 314 transition count 609
Iterating global reduction 6 with 2 rules applied. Total rules applied 1225 place count 314 transition count 609
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1227 place count 312 transition count 605
Iterating global reduction 6 with 2 rules applied. Total rules applied 1229 place count 312 transition count 605
Performed 151 Post agglomeration using F-continuation condition with reduction of 91 identical transitions.
Deduced a syphon composed of 151 places in 0 ms
Reduce places removed 151 places and 0 transitions.
Iterating global reduction 6 with 302 rules applied. Total rules applied 1531 place count 161 transition count 363
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1544 place count 161 transition count 350
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 1551 place count 154 transition count 334
Iterating global reduction 7 with 7 rules applied. Total rules applied 1558 place count 154 transition count 334
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1559 place count 153 transition count 333
Iterating global reduction 7 with 1 rules applied. Total rules applied 1560 place count 153 transition count 333
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1561 place count 153 transition count 332
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 1585 place count 141 transition count 318
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 8 with 12 rules applied. Total rules applied 1597 place count 141 transition count 306
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -34
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 9 with 34 rules applied. Total rules applied 1631 place count 124 transition count 340
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1648 place count 124 transition count 323
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1657 place count 115 transition count 305
Iterating global reduction 10 with 9 rules applied. Total rules applied 1666 place count 115 transition count 305
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1672 place count 115 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 11 with 36 rules applied. Total rules applied 1708 place count 115 transition count 263
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1709 place count 114 transition count 262
Applied a total of 1709 rules in 93 ms. Remains 114 /1563 variables (removed 1449) and now considering 262/1998 (removed 1736) transitions.
[2024-05-31 18:58:17] [INFO ] Flow matrix only has 205 transitions (discarded 57 similar events)
// Phase 1: matrix 205 rows 114 cols
[2024-05-31 18:58:17] [INFO ] Computed 0 invariants in 1 ms
[2024-05-31 18:58:17] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 18:58:17] [INFO ] Flow matrix only has 205 transitions (discarded 57 similar events)
[2024-05-31 18:58:17] [INFO ] Invariant cache hit.
[2024-05-31 18:58:18] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants and state equation in 120 ms returned [40, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 178 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1563 places, 262/1998 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 110 transition count 260
Applied a total of 4 rules in 5 ms. Remains 110 /112 variables (removed 2) and now considering 260/262 (removed 2) transitions.
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 203 transitions (discarded 57 similar events)
// Phase 1: matrix 203 rows 110 cols
[2024-05-31 18:58:18] [INFO ] Computed 0 invariants in 1 ms
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 203 transitions (discarded 57 similar events)
[2024-05-31 18:58:18] [INFO ] Invariant cache hit.
[2024-05-31 18:58:18] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1563 places, 260/1998 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 424 ms. Remains : 110/1563 places, 260/1998 transitions.
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-06
Stuttering criterion allowed to conclude after 7288 steps with 957 reset in 16 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-06 finished in 578 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0||F((p1||X(p2)))))))'
Support contains 3 out of 1563 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Graph (trivial) has 1902 edges and 1563 vertex of which 696 / 1563 are part of one of the 63 SCC in 3 ms
Free SCC test removed 633 places
Ensure Unique test removed 733 transitions
Reduce isomorphic transitions removed 733 transitions.
Graph (complete) has 1437 edges and 930 vertex of which 921 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 512 transitions
Trivial Post-agglo rules discarded 512 transitions
Performed 512 trivial Post agglomeration. Transition count delta: 512
Iterating post reduction 0 with 512 rules applied. Total rules applied 514 place count 920 transition count 747
Reduce places removed 512 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 540 rules applied. Total rules applied 1054 place count 408 transition count 719
Reduce places removed 14 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 16 rules applied. Total rules applied 1070 place count 394 transition count 717
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1073 place count 392 transition count 716
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 45 Pre rules applied. Total rules applied 1073 place count 392 transition count 671
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 1163 place count 347 transition count 671
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 1178 place count 332 transition count 646
Iterating global reduction 4 with 15 rules applied. Total rules applied 1193 place count 332 transition count 646
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 1195 place count 332 transition count 644
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1196 place count 331 transition count 644
Discarding 9 places :
Symmetric choice reduction at 6 with 9 rule applications. Total rules 1205 place count 322 transition count 631
Iterating global reduction 6 with 9 rules applied. Total rules applied 1214 place count 322 transition count 631
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1219 place count 322 transition count 626
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1221 place count 320 transition count 622
Iterating global reduction 7 with 2 rules applied. Total rules applied 1223 place count 320 transition count 622
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1225 place count 318 transition count 618
Iterating global reduction 7 with 2 rules applied. Total rules applied 1227 place count 318 transition count 618
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1228 place count 317 transition count 616
Iterating global reduction 7 with 1 rules applied. Total rules applied 1229 place count 317 transition count 616
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1230 place count 316 transition count 614
Iterating global reduction 7 with 1 rules applied. Total rules applied 1231 place count 316 transition count 614
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1232 place count 315 transition count 612
Iterating global reduction 7 with 1 rules applied. Total rules applied 1233 place count 315 transition count 612
Performed 149 Post agglomeration using F-continuation condition with reduction of 87 identical transitions.
Deduced a syphon composed of 149 places in 0 ms
Reduce places removed 149 places and 0 transitions.
Iterating global reduction 7 with 298 rules applied. Total rules applied 1531 place count 166 transition count 376
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 1546 place count 166 transition count 361
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 1552 place count 160 transition count 350
Iterating global reduction 8 with 6 rules applied. Total rules applied 1558 place count 160 transition count 350
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 1559 place count 159 transition count 349
Iterating global reduction 8 with 1 rules applied. Total rules applied 1560 place count 159 transition count 349
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 1561 place count 159 transition count 348
Performed 12 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 9 with 24 rules applied. Total rules applied 1585 place count 147 transition count 334
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 9 with 11 rules applied. Total rules applied 1596 place count 147 transition count 323
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 1597 place count 146 transition count 321
Iterating global reduction 10 with 1 rules applied. Total rules applied 1598 place count 146 transition count 321
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 10 with 34 rules applied. Total rules applied 1632 place count 129 transition count 361
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 10 with 23 rules applied. Total rules applied 1655 place count 129 transition count 338
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 1664 place count 120 transition count 320
Iterating global reduction 11 with 9 rules applied. Total rules applied 1673 place count 120 transition count 320
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 1679 place count 120 transition count 314
Drop transitions (Redundant composition of simpler transitions.) removed 39 transitions
Redundant transition composition rules discarded 39 transitions
Iterating global reduction 12 with 39 rules applied. Total rules applied 1718 place count 120 transition count 275
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1719 place count 120 transition count 275
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1720 place count 120 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 12 with 1 rules applied. Total rules applied 1721 place count 119 transition count 273
Applied a total of 1721 rules in 89 ms. Remains 119 /1563 variables (removed 1444) and now considering 273/1998 (removed 1725) transitions.
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 216 transitions (discarded 57 similar events)
// Phase 1: matrix 216 rows 119 cols
[2024-05-31 18:58:18] [INFO ] Computed 0 invariants in 2 ms
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 216 transitions (discarded 57 similar events)
[2024-05-31 18:58:18] [INFO ] Invariant cache hit.
[2024-05-31 18:58:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants and state equation in 104 ms returned [45, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 157 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/1563 places, 273/1998 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 115 transition count 271
Applied a total of 4 rules in 5 ms. Remains 115 /117 variables (removed 2) and now considering 271/273 (removed 2) transitions.
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 214 transitions (discarded 57 similar events)
// Phase 1: matrix 214 rows 115 cols
[2024-05-31 18:58:18] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-31 18:58:18] [INFO ] Flow matrix only has 214 transitions (discarded 57 similar events)
[2024-05-31 18:58:18] [INFO ] Invariant cache hit.
[2024-05-31 18:58:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-31 18:58:18] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 115/1563 places, 271/1998 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 407 ms. Remains : 115/1563 places, 271/1998 transitions.
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-07
Product exploration explored 100000 steps with 12777 reset in 121 ms.
Product exploration explored 100000 steps with 12679 reset in 125 ms.
Computed a total of 3 stabilizing places and 17 stable transitions
Computed a total of 3 stabilizing places and 17 stable transitions
Knowledge obtained : [(AND p1 p2 p0), (X p2), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X p0), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 96 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (6131 resets) in 168 ms. (236 steps per ms) remains 2/5 properties
BEST_FIRST walk for 40002 steps (157 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (127 resets) in 81 ms. (487 steps per ms) remains 1/2 properties
[2024-05-31 18:58:19] [INFO ] Flow matrix only has 214 transitions (discarded 57 similar events)
[2024-05-31 18:58:19] [INFO ] Invariant cache hit.
[2024-05-31 18:58:19] [INFO ] State equation strengthened by 4 read => feed constraints.
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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/48 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 153/201 variables, 27/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 123/324 variables, 76/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/324 variables, 3/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/324 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/328 variables, 4/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/329 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/329 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/329 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 329/329 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/48 variables, 5/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/48 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 153/201 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 123/324 variables, 76/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/324 variables, 3/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/324 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/328 variables, 4/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/329 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/329 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/329 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 329/329 variables, and 120 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 3 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 271/271 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 57 transitions
Reduce isomorphic transitions removed 57 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 115 transition count 207
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 71 place count 108 transition count 207
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 71 place count 108 transition count 206
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 73 place count 107 transition count 206
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 119 place count 84 transition count 183
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 130 place count 84 transition count 172
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 139 place count 75 transition count 163
Iterating global reduction 3 with 9 rules applied. Total rules applied 148 place count 75 transition count 163
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 151 place count 75 transition count 160
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 171 place count 65 transition count 150
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 181 place count 65 transition count 140
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 189 place count 57 transition count 130
Iterating global reduction 5 with 8 rules applied. Total rules applied 197 place count 57 transition count 130
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 205 place count 57 transition count 122
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 6 with 14 rules applied. Total rules applied 219 place count 50 transition count 123
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 229 place count 50 transition count 113
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 235 place count 44 transition count 105
Iterating global reduction 7 with 6 rules applied. Total rules applied 241 place count 44 transition count 105
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 247 place count 44 transition count 99
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 8 with 10 rules applied. Total rules applied 257 place count 44 transition count 89
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 259 place count 42 transition count 83
Iterating global reduction 8 with 2 rules applied. Total rules applied 261 place count 42 transition count 83
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 263 place count 42 transition count 81
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 265 place count 40 transition count 79
Iterating global reduction 9 with 2 rules applied. Total rules applied 267 place count 40 transition count 79
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 271 place count 40 transition count 75
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -10
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 273 place count 39 transition count 85
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 277 place count 39 transition count 81
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 282 place count 35 transition count 80
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 283 place count 35 transition count 80
Applied a total of 283 rules in 13 ms. Remains 35 /115 variables (removed 80) and now considering 80/271 (removed 191) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 35/115 places, 80/271 transitions.
RANDOM walk for 40000 steps (679 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Probably explored full state space saw : 2229 states, properties seen :0
Probabilistic random walk after 9406 steps, saw 2229 distinct states, run finished after 28 ms. (steps per millisecond=335 ) properties seen :0
Explored full state space saw : 2229 states, properties seen :0
Exhaustive walk after 9406 steps, saw 2229 distinct states, run finished after 17 ms. (steps per millisecond=553 ) properties seen :0
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p2 p0), (X p2), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X p0), (X p1), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X p0)), (X (X p1)), (G (OR p2 p0 p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0)), (F (NOT p2)), (F (NOT (OR p2 (NOT p0) p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 18 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-07 finished in 1441 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((p1||(G(p0)&&X(p2)))))))'
Support contains 3 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1546 transition count 1980
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1546 transition count 1980
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 46 place count 1534 transition count 1968
Iterating global reduction 0 with 12 rules applied. Total rules applied 58 place count 1534 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 59 place count 1534 transition count 1967
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 67 place count 1526 transition count 1959
Iterating global reduction 1 with 8 rules applied. Total rules applied 75 place count 1526 transition count 1959
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 76 place count 1526 transition count 1958
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 82 place count 1520 transition count 1950
Iterating global reduction 2 with 6 rules applied. Total rules applied 88 place count 1520 transition count 1950
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 89 place count 1520 transition count 1949
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 94 place count 1515 transition count 1941
Iterating global reduction 3 with 5 rules applied. Total rules applied 99 place count 1515 transition count 1941
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 103 place count 1511 transition count 1936
Iterating global reduction 3 with 4 rules applied. Total rules applied 107 place count 1511 transition count 1936
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 108 place count 1511 transition count 1935
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 110 place count 1509 transition count 1933
Iterating global reduction 4 with 2 rules applied. Total rules applied 112 place count 1509 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 113 place count 1509 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 114 place count 1508 transition count 1931
Iterating global reduction 5 with 1 rules applied. Total rules applied 115 place count 1508 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 116 place count 1507 transition count 1930
Iterating global reduction 5 with 1 rules applied. Total rules applied 117 place count 1507 transition count 1930
Applied a total of 117 rules in 495 ms. Remains 1507 /1563 variables (removed 56) and now considering 1930/1998 (removed 68) transitions.
// Phase 1: matrix 1930 rows 1507 cols
[2024-05-31 18:58:20] [INFO ] Computed 4 invariants in 12 ms
[2024-05-31 18:58:20] [INFO ] Implicit Places using invariants in 253 ms returned []
[2024-05-31 18:58:20] [INFO ] Invariant cache hit.
[2024-05-31 18:58:21] [INFO ] Implicit Places using invariants and state equation in 980 ms returned []
Implicit Place search using SMT with State Equation took 1233 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2024-05-31 18:58:21] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1506/3437 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints]
After SMT, in 60516ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60536ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1563 places, 1930/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62269 ms. Remains : 1507/1563 places, 1930/1998 transitions.
Stuttering acceptance computed with spot in 208 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p0)), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 299 ms.
Product exploration explored 100000 steps with 33333 reset in 305 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2107 edges and 1507 vertex of which 1498 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2)), (X (NOT p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 18 ms. Reduced automaton from 6 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-08 finished in 63134 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U G(!p0))))'
Support contains 1 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1546 transition count 1980
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1546 transition count 1980
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1546 transition count 1979
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 46 place count 1535 transition count 1968
Iterating global reduction 1 with 11 rules applied. Total rules applied 57 place count 1535 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 58 place count 1535 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 65 place count 1528 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 72 place count 1528 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 73 place count 1528 transition count 1959
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 79 place count 1522 transition count 1951
Iterating global reduction 3 with 6 rules applied. Total rules applied 85 place count 1522 transition count 1951
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 86 place count 1522 transition count 1950
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 91 place count 1517 transition count 1942
Iterating global reduction 4 with 5 rules applied. Total rules applied 96 place count 1517 transition count 1942
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 100 place count 1513 transition count 1937
Iterating global reduction 4 with 4 rules applied. Total rules applied 104 place count 1513 transition count 1937
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 1513 transition count 1936
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 107 place count 1511 transition count 1934
Iterating global reduction 5 with 2 rules applied. Total rules applied 109 place count 1511 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 110 place count 1511 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 111 place count 1510 transition count 1932
Iterating global reduction 6 with 1 rules applied. Total rules applied 112 place count 1510 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 113 place count 1509 transition count 1931
Iterating global reduction 6 with 1 rules applied. Total rules applied 114 place count 1509 transition count 1931
Applied a total of 114 rules in 492 ms. Remains 1509 /1563 variables (removed 54) and now considering 1931/1998 (removed 67) transitions.
// Phase 1: matrix 1931 rows 1509 cols
[2024-05-31 18:59:23] [INFO ] Computed 4 invariants in 15 ms
[2024-05-31 18:59:23] [INFO ] Implicit Places using invariants in 239 ms returned []
[2024-05-31 18:59:23] [INFO ] Invariant cache hit.
[2024-05-31 18:59:24] [INFO ] Implicit Places using invariants and state equation in 962 ms returned []
Implicit Place search using SMT with State Equation took 1203 ms to find 0 implicit places.
Running 1930 sub problems to find dead transitions.
[2024-05-31 18:59:24] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1930 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1930/1930 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1930 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1930 unsolved
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(s1447 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1508/3440 variables, and 4 constraints, problems are : Problem set: 0 solved, 1930 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1930 constraints, Known Traps: 0/0 constraints]
After SMT, in 60501ms problems are : Problem set: 0 solved, 1930 unsolved
Search for dead transitions found 0 dead transitions in 60522ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1563 places, 1931/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62223 ms. Remains : 1509/1563 places, 1931/1998 transitions.
Stuttering acceptance computed with spot in 118 ms :[p0, p0, p0, true]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-11
Entered a terminal (fully accepting) state of product in 4613 steps with 45 reset in 10 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-11 finished in 62379 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(G(p0)))&&F(p1)))'
Support contains 1 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1546 transition count 1980
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1546 transition count 1980
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1546 transition count 1979
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 47 place count 1534 transition count 1967
Iterating global reduction 1 with 12 rules applied. Total rules applied 59 place count 1534 transition count 1967
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 60 place count 1534 transition count 1966
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 68 place count 1526 transition count 1958
Iterating global reduction 2 with 8 rules applied. Total rules applied 76 place count 1526 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 77 place count 1526 transition count 1957
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 83 place count 1520 transition count 1949
Iterating global reduction 3 with 6 rules applied. Total rules applied 89 place count 1520 transition count 1949
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 1520 transition count 1948
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 95 place count 1515 transition count 1940
Iterating global reduction 4 with 5 rules applied. Total rules applied 100 place count 1515 transition count 1940
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 104 place count 1511 transition count 1935
Iterating global reduction 4 with 4 rules applied. Total rules applied 108 place count 1511 transition count 1935
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 109 place count 1511 transition count 1934
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 111 place count 1509 transition count 1932
Iterating global reduction 5 with 2 rules applied. Total rules applied 113 place count 1509 transition count 1932
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 114 place count 1509 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 115 place count 1508 transition count 1930
Iterating global reduction 6 with 1 rules applied. Total rules applied 116 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 117 place count 1507 transition count 1929
Iterating global reduction 6 with 1 rules applied. Total rules applied 118 place count 1507 transition count 1929
Applied a total of 118 rules in 478 ms. Remains 1507 /1563 variables (removed 56) and now considering 1929/1998 (removed 69) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2024-05-31 19:00:25] [INFO ] Computed 4 invariants in 19 ms
[2024-05-31 19:00:26] [INFO ] Implicit Places using invariants in 256 ms returned []
[2024-05-31 19:00:26] [INFO ] Invariant cache hit.
[2024-05-31 19:00:27] [INFO ] Implicit Places using invariants and state equation in 958 ms returned []
Implicit Place search using SMT with State Equation took 1215 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2024-05-31 19:00:27] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 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 30044 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 1928/1928 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1928 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1928 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
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 30028 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1507 constraints, PredecessorRefiner: 0/1928 constraints, Known Traps: 0/0 constraints]
After SMT, in 60513ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60532ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1563 places, 1929/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62229 ms. Remains : 1507/1563 places, 1929/1998 transitions.
Stuttering acceptance computed with spot in 169 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), true]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-12 finished in 62432 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(G(p0))) U (p0&&X(X(G(p0)))))))'
Support contains 1 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 18 place count 1545 transition count 1979
Iterating global reduction 0 with 18 rules applied. Total rules applied 36 place count 1545 transition count 1979
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 37 place count 1545 transition count 1978
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 49 place count 1533 transition count 1966
Iterating global reduction 1 with 12 rules applied. Total rules applied 61 place count 1533 transition count 1966
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 62 place count 1533 transition count 1965
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 70 place count 1525 transition count 1957
Iterating global reduction 2 with 8 rules applied. Total rules applied 78 place count 1525 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 79 place count 1525 transition count 1956
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 85 place count 1519 transition count 1948
Iterating global reduction 3 with 6 rules applied. Total rules applied 91 place count 1519 transition count 1948
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 92 place count 1519 transition count 1947
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 97 place count 1514 transition count 1939
Iterating global reduction 4 with 5 rules applied. Total rules applied 102 place count 1514 transition count 1939
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 106 place count 1510 transition count 1934
Iterating global reduction 4 with 4 rules applied. Total rules applied 110 place count 1510 transition count 1934
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 111 place count 1510 transition count 1933
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 113 place count 1508 transition count 1931
Iterating global reduction 5 with 2 rules applied. Total rules applied 115 place count 1508 transition count 1931
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 116 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 117 place count 1507 transition count 1929
Iterating global reduction 6 with 1 rules applied. Total rules applied 118 place count 1507 transition count 1929
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 119 place count 1506 transition count 1928
Iterating global reduction 6 with 1 rules applied. Total rules applied 120 place count 1506 transition count 1928
Applied a total of 120 rules in 503 ms. Remains 1506 /1563 variables (removed 57) and now considering 1928/1998 (removed 70) transitions.
// Phase 1: matrix 1928 rows 1506 cols
[2024-05-31 19:01:28] [INFO ] Computed 4 invariants in 15 ms
[2024-05-31 19:01:28] [INFO ] Implicit Places using invariants in 256 ms returned []
[2024-05-31 19:01:28] [INFO ] Invariant cache hit.
[2024-05-31 19:01:29] [INFO ] Implicit Places using invariants and state equation in 995 ms returned []
Implicit Place search using SMT with State Equation took 1253 ms to find 0 implicit places.
Running 1927 sub problems to find dead transitions.
[2024-05-31 19:01:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 1927/1927 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1927 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1505 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1927 unsolved
Error getting values : (error "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 1505/3434 variables, and 4 constraints, problems are : Problem set: 0 solved, 1927 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1506 constraints, PredecessorRefiner: 0/1927 constraints, Known Traps: 0/0 constraints]
After SMT, in 60496ms problems are : Problem set: 0 solved, 1927 unsolved
Search for dead transitions found 0 dead transitions in 60516ms
Starting structural reductions in LTL mode, iteration 1 : 1506/1563 places, 1928/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62276 ms. Remains : 1506/1563 places, 1928/1998 transitions.
Stuttering acceptance computed with spot in 185 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-13
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-13 finished in 62482 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0&&F(p1)))&&F(p2)))'
Support contains 3 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 1546 transition count 1980
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 1546 transition count 1980
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 35 place count 1546 transition count 1979
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 46 place count 1535 transition count 1968
Iterating global reduction 1 with 11 rules applied. Total rules applied 57 place count 1535 transition count 1968
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 58 place count 1535 transition count 1967
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 65 place count 1528 transition count 1960
Iterating global reduction 2 with 7 rules applied. Total rules applied 72 place count 1528 transition count 1960
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 73 place count 1528 transition count 1959
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 78 place count 1523 transition count 1952
Iterating global reduction 3 with 5 rules applied. Total rules applied 83 place count 1523 transition count 1952
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 88 place count 1518 transition count 1944
Iterating global reduction 3 with 5 rules applied. Total rules applied 93 place count 1518 transition count 1944
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 97 place count 1514 transition count 1939
Iterating global reduction 3 with 4 rules applied. Total rules applied 101 place count 1514 transition count 1939
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 102 place count 1514 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 104 place count 1512 transition count 1936
Iterating global reduction 4 with 2 rules applied. Total rules applied 106 place count 1512 transition count 1936
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 107 place count 1512 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 108 place count 1511 transition count 1934
Iterating global reduction 5 with 1 rules applied. Total rules applied 109 place count 1511 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 110 place count 1510 transition count 1933
Iterating global reduction 5 with 1 rules applied. Total rules applied 111 place count 1510 transition count 1933
Applied a total of 111 rules in 485 ms. Remains 1510 /1563 variables (removed 53) and now considering 1933/1998 (removed 65) transitions.
// Phase 1: matrix 1933 rows 1510 cols
[2024-05-31 19:02:30] [INFO ] Computed 4 invariants in 11 ms
[2024-05-31 19:02:31] [INFO ] Implicit Places using invariants in 256 ms returned []
[2024-05-31 19:02:31] [INFO ] Invariant cache hit.
[2024-05-31 19:02:32] [INFO ] Implicit Places using invariants and state equation in 993 ms returned []
Implicit Place search using SMT with State Equation took 1250 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2024-05-31 19:02:32] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1509/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1509/3443 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1510 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints]
After SMT, in 60502ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60519ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1563 places, 1933/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62262 ms. Remains : 1510/1563 places, 1933/1998 transitions.
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), true, (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-14
Stuttering criterion allowed to conclude after 73 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-311-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-311-LTLFireability-14 finished in 62447 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((p1||(p2&&X(F(p3)))))))'
Support contains 3 out of 1563 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1563/1563 places, 1998/1998 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 1547 transition count 1982
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 1547 transition count 1982
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 33 place count 1547 transition count 1981
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 44 place count 1536 transition count 1970
Iterating global reduction 1 with 11 rules applied. Total rules applied 55 place count 1536 transition count 1970
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 63 place count 1528 transition count 1962
Iterating global reduction 1 with 8 rules applied. Total rules applied 71 place count 1528 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 72 place count 1528 transition count 1961
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 78 place count 1522 transition count 1953
Iterating global reduction 2 with 6 rules applied. Total rules applied 84 place count 1522 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 85 place count 1522 transition count 1952
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 90 place count 1517 transition count 1944
Iterating global reduction 3 with 5 rules applied. Total rules applied 95 place count 1517 transition count 1944
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 99 place count 1513 transition count 1939
Iterating global reduction 3 with 4 rules applied. Total rules applied 103 place count 1513 transition count 1939
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 104 place count 1513 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 106 place count 1511 transition count 1936
Iterating global reduction 4 with 2 rules applied. Total rules applied 108 place count 1511 transition count 1936
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 109 place count 1511 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 110 place count 1510 transition count 1934
Iterating global reduction 5 with 1 rules applied. Total rules applied 111 place count 1510 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 112 place count 1509 transition count 1933
Iterating global reduction 5 with 1 rules applied. Total rules applied 113 place count 1509 transition count 1933
Applied a total of 113 rules in 490 ms. Remains 1509 /1563 variables (removed 54) and now considering 1933/1998 (removed 65) transitions.
// Phase 1: matrix 1933 rows 1509 cols
[2024-05-31 19:03:33] [INFO ] Computed 4 invariants in 13 ms
[2024-05-31 19:03:33] [INFO ] Implicit Places using invariants in 253 ms returned []
[2024-05-31 19:03:33] [INFO ] Invariant cache hit.
[2024-05-31 19:03:34] [INFO ] Implicit Places using invariants and state equation in 1006 ms returned []
Implicit Place search using SMT with State Equation took 1260 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2024-05-31 19:03:34] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 1932/1932 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1932 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1508 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1932 unsolved
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 1508/3442 variables, and 4 constraints, problems are : Problem set: 0 solved, 1932 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1509 constraints, PredecessorRefiner: 0/1932 constraints, Known Traps: 0/0 constraints]
After SMT, in 60519ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60538ms
Starting structural reductions in LTL mode, iteration 1 : 1509/1563 places, 1933/1998 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62292 ms. Remains : 1509/1563 places, 1933/1998 transitions.
Stuttering acceptance computed with spot in 243 ms :[true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (NOT p0), (AND (NOT p3) (NOT p0))]
Running random walk in product with property : CloudReconfiguration-PT-311-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 401 ms.
Product exploration explored 100000 steps with 50000 reset in 406 ms.
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2110 edges and 1509 vertex of which 1500 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.5 ms
Computed a total of 27 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) (NOT p3) (NOT p0)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (AND (NOT p1) p2))), (X (NOT p0)), (X p1), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT p0))), (X (X (AND (NOT p0) (NOT p3))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 14 factoid took 18 ms. Reduced automaton from 7 states, 14 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudReconfiguration-PT-311-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudReconfiguration-PT-311-LTLFireability-15 finished in 63402 ms.
All properties solved by simple procedures.
Total runtime 646861 ms.
ITS solved all properties within timeout

BK_STOP 1717182276169

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-311"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is CloudReconfiguration-PT-311, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r480-tall-171624188800196"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-311.tgz
mv CloudReconfiguration-PT-311 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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