About the Execution of GreatSPN+red for CloudReconfiguration-PT-302
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3950.420 | 926784.00 | 1100198.00 | 2478.00 | FFFF?FFTFFFFTFFF | normal |
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.r091-tall-171624187100124.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 greatspnxred
Input is CloudReconfiguration-PT-302, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-tall-171624187100124
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 4.0K Apr 22 14:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 11 19:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Apr 11 19:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Apr 11 19:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 11 19:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:34 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-302-LTLFireability-00
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-01
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-02
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-03
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-04
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-05
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-06
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-07
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-08
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-09
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-10
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-11
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-12
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-13
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-14
FORMULA_NAME CloudReconfiguration-PT-302-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1716258865054
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-302
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 02:34:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 02:34:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 02:34:26] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2024-05-21 02:34:26] [INFO ] Transformed 2585 places.
[2024-05-21 02:34:26] [INFO ] Transformed 3095 transitions.
[2024-05-21 02:34:26] [INFO ] Found NUPN structural information;
[2024-05-21 02:34:26] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 281 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CloudReconfiguration-PT-302-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-302-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 2585 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Discarding 518 places :
Symmetric choice reduction at 0 with 518 rule applications. Total rules 518 place count 2067 transition count 2577
Iterating global reduction 0 with 518 rules applied. Total rules applied 1036 place count 2067 transition count 2577
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 1065 place count 2067 transition count 2548
Discarding 238 places :
Symmetric choice reduction at 1 with 238 rule applications. Total rules 1303 place count 1829 transition count 2310
Iterating global reduction 1 with 238 rules applied. Total rules applied 1541 place count 1829 transition count 2310
Discarding 89 places :
Symmetric choice reduction at 1 with 89 rule applications. Total rules 1630 place count 1740 transition count 2221
Iterating global reduction 1 with 89 rules applied. Total rules applied 1719 place count 1740 transition count 2221
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 1736 place count 1740 transition count 2204
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 1784 place count 1692 transition count 2156
Iterating global reduction 2 with 48 rules applied. Total rules applied 1832 place count 1692 transition count 2156
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 1840 place count 1692 transition count 2148
Discarding 37 places :
Symmetric choice reduction at 3 with 37 rule applications. Total rules 1877 place count 1655 transition count 2107
Iterating global reduction 3 with 37 rules applied. Total rules applied 1914 place count 1655 transition count 2107
Discarding 27 places :
Symmetric choice reduction at 3 with 27 rule applications. Total rules 1941 place count 1628 transition count 2080
Iterating global reduction 3 with 27 rules applied. Total rules applied 1968 place count 1628 transition count 2080
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 1993 place count 1603 transition count 2055
Iterating global reduction 3 with 25 rules applied. Total rules applied 2018 place count 1603 transition count 2055
Discarding 25 places :
Symmetric choice reduction at 3 with 25 rule applications. Total rules 2043 place count 1578 transition count 2030
Iterating global reduction 3 with 25 rules applied. Total rules applied 2068 place count 1578 transition count 2030
Discarding 21 places :
Symmetric choice reduction at 3 with 21 rule applications. Total rules 2089 place count 1557 transition count 1996
Iterating global reduction 3 with 21 rules applied. Total rules applied 2110 place count 1557 transition count 1996
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2117 place count 1550 transition count 1984
Iterating global reduction 3 with 7 rules applied. Total rules applied 2124 place count 1550 transition count 1984
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 2131 place count 1543 transition count 1974
Iterating global reduction 3 with 7 rules applied. Total rules applied 2138 place count 1543 transition count 1974
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2140 place count 1543 transition count 1972
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 2143 place count 1540 transition count 1969
Iterating global reduction 4 with 3 rules applied. Total rules applied 2146 place count 1540 transition count 1969
Applied a total of 2146 rules in 1641 ms. Remains 1540 /2585 variables (removed 1045) and now considering 1969/3095 (removed 1126) transitions.
// Phase 1: matrix 1969 rows 1540 cols
[2024-05-21 02:34:28] [INFO ] Computed 4 invariants in 41 ms
[2024-05-21 02:34:29] [INFO ] Implicit Places using invariants in 837 ms returned []
[2024-05-21 02:34:29] [INFO ] Invariant cache hit.
[2024-05-21 02:34:30] [INFO ] Implicit Places using invariants and state equation in 1038 ms returned []
Implicit Place search using SMT with State Equation took 1905 ms to find 0 implicit places.
Running 1968 sub problems to find dead transitions.
[2024-05-21 02:34:30] [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) 0/1539 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1968 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1539/3509 variables, and 4 constraints, problems are : Problem set: 0 solved, 1968 unsolved in 30060 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1540 constraints, PredecessorRefiner: 1968/1968 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1968 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1539 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1968 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1539/3509 variables, and 4 constraints, problems are : Problem set: 0 solved, 1968 unsolved in 30046 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1540 constraints, PredecessorRefiner: 0/1968 constraints, Known Traps: 0/0 constraints]
After SMT, in 60811ms problems are : Problem set: 0 solved, 1968 unsolved
Search for dead transitions found 0 dead transitions in 60852ms
Starting structural reductions in LTL mode, iteration 1 : 1540/2585 places, 1969/3095 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 64432 ms. Remains : 1540/2585 places, 1969/3095 transitions.
Support contains 26 out of 1540 places after structural reductions.
[2024-05-21 02:35:31] [INFO ] Flatten gal took : 126 ms
[2024-05-21 02:35:31] [INFO ] Flatten gal took : 69 ms
[2024-05-21 02:35:31] [INFO ] Input system was already deterministic with 1969 transitions.
RANDOM walk for 40000 steps (283 resets) in 2469 ms. (16 steps per ms) remains 15/25 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
[2024-05-21 02:35:32] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 1514/1529 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1529 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 1959/3488 variables, 1529/1533 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3488 variables, 0/1533 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 2/3490 variables, 1/1534 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3490 variables, 0/1534 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 2/3492 variables, 1/1535 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3492 variables, 0/1535 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 2/3494 variables, 1/1536 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3494 variables, 0/1536 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 2/3496 variables, 1/1537 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3496 variables, 0/1537 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 13 (OVERLAPS) 2/3498 variables, 1/1538 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/3498 variables, 0/1538 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 15 (OVERLAPS) 2/3500 variables, 1/1539 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3500 variables, 0/1539 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SMT process timed out in 5032ms, After SMT, problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 1540 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1848 edges and 1540 vertex of which 657 / 1540 are part of one of the 59 SCC in 14 ms
Free SCC test removed 598 places
Drop transitions (Empty/Sink Transition effects.) removed 757 transitions
Reduce isomorphic transitions removed 757 transitions.
Graph (complete) has 1384 edges and 942 vertex of which 933 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 515 transitions
Trivial Post-agglo rules discarded 515 transitions
Performed 515 trivial Post agglomeration. Transition count delta: 515
Iterating post reduction 0 with 522 rules applied. Total rules applied 524 place count 933 transition count 686
Reduce places removed 515 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 1 with 572 rules applied. Total rules applied 1096 place count 418 transition count 629
Reduce places removed 37 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 2 with 41 rules applied. Total rules applied 1137 place count 381 transition count 625
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1141 place count 377 transition count 625
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 51 Pre rules applied. Total rules applied 1141 place count 377 transition count 574
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 4 with 102 rules applied. Total rules applied 1243 place count 326 transition count 574
Discarding 10 places :
Symmetric choice reduction at 4 with 10 rule applications. Total rules 1253 place count 316 transition count 561
Iterating global reduction 4 with 10 rules applied. Total rules applied 1263 place count 316 transition count 561
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1265 place count 316 transition count 559
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1267 place count 314 transition count 559
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1267 place count 314 transition count 558
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1269 place count 313 transition count 558
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 1276 place count 306 transition count 550
Iterating global reduction 6 with 7 rules applied. Total rules applied 1283 place count 306 transition count 550
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1289 place count 306 transition count 544
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1290 place count 305 transition count 538
Iterating global reduction 7 with 1 rules applied. Total rules applied 1291 place count 305 transition count 538
Performed 148 Post agglomeration using F-continuation condition with reduction of 90 identical transitions.
Deduced a syphon composed of 148 places in 0 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 7 with 296 rules applied. Total rules applied 1587 place count 157 transition count 300
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 1606 place count 157 transition count 281
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 1609 place count 154 transition count 278
Iterating global reduction 8 with 3 rules applied. Total rules applied 1612 place count 154 transition count 278
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 8 with 22 rules applied. Total rules applied 1634 place count 143 transition count 265
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 1645 place count 143 transition count 254
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 1647 place count 142 transition count 253
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 1649 place count 142 transition count 251
Performed 39 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 39 places in 0 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 10 with 78 rules applied. Total rules applied 1727 place count 103 transition count 290
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 10 with 52 rules applied. Total rules applied 1779 place count 103 transition count 238
Discarding 23 places :
Symmetric choice reduction at 11 with 23 rule applications. Total rules 1802 place count 80 transition count 208
Iterating global reduction 11 with 23 rules applied. Total rules applied 1825 place count 80 transition count 208
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 1836 place count 80 transition count 197
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 1839 place count 77 transition count 191
Iterating global reduction 12 with 3 rules applied. Total rules applied 1842 place count 77 transition count 191
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 1844 place count 77 transition count 189
Drop transitions (Redundant composition of simpler transitions.) removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 13 with 33 rules applied. Total rules applied 1877 place count 77 transition count 156
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1879 place count 75 transition count 150
Iterating global reduction 13 with 2 rules applied. Total rules applied 1881 place count 75 transition count 150
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 1883 place count 73 transition count 148
Iterating global reduction 13 with 2 rules applied. Total rules applied 1885 place count 73 transition count 148
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 1887 place count 73 transition count 146
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 1889 place count 73 transition count 144
Free-agglomeration rule applied 5 times.
Iterating global reduction 14 with 5 rules applied. Total rules applied 1894 place count 73 transition count 139
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 1899 place count 68 transition count 139
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 1901 place count 68 transition count 139
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1902 place count 68 transition count 138
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 1903 place count 68 transition count 138
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 1904 place count 67 transition count 137
Applied a total of 1904 rules in 220 ms. Remains 67 /1540 variables (removed 1473) and now considering 137/1969 (removed 1832) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220 ms. Remains : 67/1540 places, 137/1969 transitions.
RANDOM walk for 5190 steps (76 resets) in 134 ms. (38 steps per ms) remains 0/15 properties
FORMULA CloudReconfiguration-PT-302-LTLFireability-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 27 stabilizing places and 29 stable transitions
Graph (complete) has 2146 edges and 1540 vertex of which 1531 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.28 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)))'
Support contains 1 out of 1540 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1880 edges and 1540 vertex of which 693 / 1540 are part of one of the 63 SCC in 10 ms
Free SCC test removed 630 places
Ensure Unique test removed 732 transitions
Reduce isomorphic transitions removed 732 transitions.
Graph (complete) has 1408 edges and 910 vertex of which 901 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 500 transitions
Trivial Post-agglo rules discarded 500 transitions
Performed 500 trivial Post agglomeration. Transition count delta: 500
Iterating post reduction 0 with 500 rules applied. Total rules applied 502 place count 900 transition count 731
Reduce places removed 500 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 525 rules applied. Total rules applied 1027 place count 400 transition count 706
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1039 place count 388 transition count 706
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1039 place count 388 transition count 660
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1131 place count 342 transition count 660
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1149 place count 324 transition count 631
Iterating global reduction 3 with 18 rules applied. Total rules applied 1167 place count 324 transition count 631
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1169 place count 324 transition count 629
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1171 place count 322 transition count 629
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1171 place count 322 transition count 628
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1173 place count 321 transition count 628
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1183 place count 311 transition count 614
Iterating global reduction 5 with 10 rules applied. Total rules applied 1193 place count 311 transition count 614
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1199 place count 311 transition count 608
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1201 place count 309 transition count 604
Iterating global reduction 6 with 2 rules applied. Total rules applied 1203 place count 309 transition count 604
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1205 place count 307 transition count 600
Iterating global reduction 6 with 2 rules applied. Total rules applied 1207 place count 307 transition count 600
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1209 place count 305 transition count 596
Iterating global reduction 6 with 2 rules applied. Total rules applied 1211 place count 305 transition count 596
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1213 place count 303 transition count 592
Iterating global reduction 6 with 2 rules applied. Total rules applied 1215 place count 303 transition count 592
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1217 place count 301 transition count 588
Iterating global reduction 6 with 2 rules applied. Total rules applied 1219 place count 301 transition count 588
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1220 place count 300 transition count 581
Iterating global reduction 6 with 1 rules applied. Total rules applied 1221 place count 300 transition count 581
Performed 142 Post agglomeration using F-continuation condition with reduction of 84 identical transitions.
Deduced a syphon composed of 142 places in 0 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 6 with 284 rules applied. Total rules applied 1505 place count 158 transition count 355
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 1517 place count 158 transition count 343
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 1522 place count 153 transition count 333
Iterating global reduction 7 with 5 rules applied. Total rules applied 1527 place count 153 transition count 333
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 7 with 24 rules applied. Total rules applied 1551 place count 141 transition count 319
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1565 place count 141 transition count 305
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 8 with 34 rules applied. Total rules applied 1599 place count 124 transition count 339
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 8 with 16 rules applied. Total rules applied 1615 place count 124 transition count 323
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 1624 place count 115 transition count 305
Iterating global reduction 9 with 9 rules applied. Total rules applied 1633 place count 115 transition count 305
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1639 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 10 with 36 rules applied. Total rules applied 1675 place count 115 transition count 263
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 1676 place count 115 transition count 263
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1677 place count 114 transition count 262
Applied a total of 1677 rules in 168 ms. Remains 114 /1540 variables (removed 1426) and now considering 262/1969 (removed 1707) transitions.
[2024-05-21 02:35:38] [INFO ] Flow matrix only has 205 transitions (discarded 57 similar events)
// Phase 1: matrix 205 rows 114 cols
[2024-05-21 02:35:38] [INFO ] Computed 0 invariants in 4 ms
[2024-05-21 02:35:38] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-21 02:35:38] [INFO ] Flow matrix only has 205 transitions (discarded 57 similar events)
[2024-05-21 02:35:38] [INFO ] Invariant cache hit.
[2024-05-21 02:35:38] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:35:38] [INFO ] Implicit Places using invariants and state equation in 117 ms returned [8, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 184 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1540 places, 262/1969 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 8 ms. Remains 110 /112 variables (removed 2) and now considering 260/262 (removed 2) transitions.
[2024-05-21 02:35:38] [INFO ] Flow matrix only has 203 transitions (discarded 57 similar events)
// Phase 1: matrix 203 rows 110 cols
[2024-05-21 02:35:38] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:35:38] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-21 02:35:38] [INFO ] Flow matrix only has 203 transitions (discarded 57 similar events)
[2024-05-21 02:35:38] [INFO ] Invariant cache hit.
[2024-05-21 02:35:38] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:35:38] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1540 places, 260/1969 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 510 ms. Remains : 110/1540 places, 260/1969 transitions.
Stuttering acceptance computed with spot in 157 ms :[(NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-00
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 2 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-00 finished in 727 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((p0||F((G(p1)&&F(p2))))))||(p3 U p0)))'
Support contains 4 out of 1540 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1528 transition count 1956
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1528 transition count 1956
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 29 place count 1523 transition count 1951
Iterating global reduction 0 with 5 rules applied. Total rules applied 34 place count 1523 transition count 1951
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 1523 transition count 1950
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 38 place count 1520 transition count 1946
Iterating global reduction 1 with 3 rules applied. Total rules applied 41 place count 1520 transition count 1946
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 43 place count 1518 transition count 1944
Iterating global reduction 1 with 2 rules applied. Total rules applied 45 place count 1518 transition count 1944
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 47 place count 1516 transition count 1941
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 1516 transition count 1941
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 51 place count 1514 transition count 1938
Iterating global reduction 1 with 2 rules applied. Total rules applied 53 place count 1514 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 55 place count 1512 transition count 1936
Iterating global reduction 1 with 2 rules applied. Total rules applied 57 place count 1512 transition count 1936
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 1512 transition count 1935
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 59 place count 1511 transition count 1934
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 1511 transition count 1934
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 1510 transition count 1933
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1510 transition count 1933
Applied a total of 62 rules in 534 ms. Remains 1510 /1540 variables (removed 30) and now considering 1933/1969 (removed 36) transitions.
// Phase 1: matrix 1933 rows 1510 cols
[2024-05-21 02:35:39] [INFO ] Computed 4 invariants in 20 ms
[2024-05-21 02:35:39] [INFO ] Implicit Places using invariants in 259 ms returned []
[2024-05-21 02:35:39] [INFO ] Invariant cache hit.
[2024-05-21 02:35:40] [INFO ] Implicit Places using invariants and state equation in 979 ms returned []
Implicit Place search using SMT with State Equation took 1241 ms to find 0 implicit places.
Running 1932 sub problems to find dead transitions.
[2024-05-21 02:35:40] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1509 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 30034 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 30029 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 60631ms problems are : Problem set: 0 solved, 1932 unsolved
Search for dead transitions found 0 dead transitions in 60650ms
Starting structural reductions in LTL mode, iteration 1 : 1510/1540 places, 1933/1969 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62430 ms. Remains : 1510/1540 places, 1933/1969 transitions.
Stuttering acceptance computed with spot in 514 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-01
Stuttering criterion allowed to conclude after 131 steps with 0 reset in 4 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-01 finished in 62982 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 U p1))))'
Support contains 2 out of 1540 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1877 edges and 1540 vertex of which 687 / 1540 are part of one of the 62 SCC in 4 ms
Free SCC test removed 625 places
Ensure Unique test removed 727 transitions
Reduce isomorphic transitions removed 727 transitions.
Graph (complete) has 1413 edges and 915 vertex of which 906 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 503 transitions
Trivial Post-agglo rules discarded 503 transitions
Performed 503 trivial Post agglomeration. Transition count delta: 503
Iterating post reduction 0 with 503 rules applied. Total rules applied 505 place count 905 transition count 733
Reduce places removed 503 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 528 rules applied. Total rules applied 1033 place count 402 transition count 708
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1045 place count 390 transition count 708
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 46 Pre rules applied. Total rules applied 1045 place count 390 transition count 662
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 3 with 92 rules applied. Total rules applied 1137 place count 344 transition count 662
Discarding 18 places :
Symmetric choice reduction at 3 with 18 rule applications. Total rules 1155 place count 326 transition count 633
Iterating global reduction 3 with 18 rules applied. Total rules applied 1173 place count 326 transition count 633
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 2 rules applied. Total rules applied 1175 place count 326 transition count 631
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1177 place count 324 transition count 631
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 1177 place count 324 transition count 630
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 1179 place count 323 transition count 630
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 1189 place count 313 transition count 616
Iterating global reduction 5 with 10 rules applied. Total rules applied 1199 place count 313 transition count 616
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 1205 place count 313 transition count 610
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1207 place count 311 transition count 606
Iterating global reduction 6 with 2 rules applied. Total rules applied 1209 place count 311 transition count 606
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1211 place count 309 transition count 602
Iterating global reduction 6 with 2 rules applied. Total rules applied 1213 place count 309 transition count 602
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1215 place count 307 transition count 598
Iterating global reduction 6 with 2 rules applied. Total rules applied 1217 place count 307 transition count 598
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1219 place count 305 transition count 594
Iterating global reduction 6 with 2 rules applied. Total rules applied 1221 place count 305 transition count 594
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 1223 place count 303 transition count 590
Iterating global reduction 6 with 2 rules applied. Total rules applied 1225 place count 303 transition count 590
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1226 place count 302 transition count 583
Iterating global reduction 6 with 1 rules applied. Total rules applied 1227 place count 302 transition count 583
Performed 141 Post agglomeration using F-continuation condition with reduction of 84 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Reduce places removed 141 places and 0 transitions.
Iterating global reduction 6 with 282 rules applied. Total rules applied 1509 place count 161 transition count 358
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 1521 place count 161 transition count 346
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 1526 place count 156 transition count 336
Iterating global reduction 7 with 5 rules applied. Total rules applied 1531 place count 156 transition count 336
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 7 with 26 rules applied. Total rules applied 1557 place count 143 transition count 321
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1571 place count 143 transition count 307
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -26
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 8 with 36 rules applied. Total rules applied 1607 place count 125 transition count 333
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 8 with 16 rules applied. Total rules applied 1623 place count 125 transition count 317
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 1632 place count 116 transition count 299
Iterating global reduction 9 with 9 rules applied. Total rules applied 1641 place count 116 transition count 299
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 1647 place count 116 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 10 with 34 rules applied. Total rules applied 1681 place count 116 transition count 259
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1682 place count 115 transition count 258
Applied a total of 1682 rules in 109 ms. Remains 115 /1540 variables (removed 1425) and now considering 258/1969 (removed 1711) transitions.
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 202 transitions (discarded 56 similar events)
// Phase 1: matrix 202 rows 115 cols
[2024-05-21 02:36:42] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 202 transitions (discarded 56 similar events)
[2024-05-21 02:36:42] [INFO ] Invariant cache hit.
[2024-05-21 02:36:42] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants and state equation in 107 ms returned [8, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 156 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 113/1540 places, 258/1969 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 111 transition count 256
Applied a total of 4 rules in 6 ms. Remains 111 /113 variables (removed 2) and now considering 256/258 (removed 2) transitions.
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 200 transitions (discarded 56 similar events)
// Phase 1: matrix 200 rows 111 cols
[2024-05-21 02:36:42] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 200 transitions (discarded 56 similar events)
[2024-05-21 02:36:42] [INFO ] Invariant cache hit.
[2024-05-21 02:36:42] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 111/1540 places, 256/1969 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 413 ms. Remains : 111/1540 places, 256/1969 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-02 finished in 503 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 1540 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1879 edges and 1540 vertex of which 693 / 1540 are part of one of the 63 SCC in 4 ms
Free SCC test removed 630 places
Ensure Unique test removed 732 transitions
Reduce isomorphic transitions removed 732 transitions.
Graph (complete) has 1408 edges and 910 vertex of which 901 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.2 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 499 transitions
Trivial Post-agglo rules discarded 499 transitions
Performed 499 trivial Post agglomeration. Transition count delta: 499
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 900 transition count 732
Reduce places removed 499 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 524 rules applied. Total rules applied 1025 place count 401 transition count 707
Reduce places removed 12 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 13 rules applied. Total rules applied 1038 place count 389 transition count 706
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1039 place count 388 transition count 706
Performed 46 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 46 Pre rules applied. Total rules applied 1039 place count 388 transition count 660
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 4 with 92 rules applied. Total rules applied 1131 place count 342 transition count 660
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1149 place count 324 transition count 631
Iterating global reduction 4 with 18 rules applied. Total rules applied 1167 place count 324 transition count 631
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1169 place count 324 transition count 629
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1171 place count 322 transition count 629
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1171 place count 322 transition count 628
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1173 place count 321 transition count 628
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1183 place count 311 transition count 614
Iterating global reduction 6 with 10 rules applied. Total rules applied 1193 place count 311 transition count 614
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1199 place count 311 transition count 608
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1201 place count 309 transition count 604
Iterating global reduction 7 with 2 rules applied. Total rules applied 1203 place count 309 transition count 604
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1205 place count 307 transition count 600
Iterating global reduction 7 with 2 rules applied. Total rules applied 1207 place count 307 transition count 600
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1209 place count 305 transition count 596
Iterating global reduction 7 with 2 rules applied. Total rules applied 1211 place count 305 transition count 596
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1213 place count 303 transition count 592
Iterating global reduction 7 with 2 rules applied. Total rules applied 1215 place count 303 transition count 592
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1217 place count 301 transition count 588
Iterating global reduction 7 with 2 rules applied. Total rules applied 1219 place count 301 transition count 588
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1220 place count 300 transition count 581
Iterating global reduction 7 with 1 rules applied. Total rules applied 1221 place count 300 transition count 581
Performed 141 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 141 places in 0 ms
Reduce places removed 141 places and 0 transitions.
Iterating global reduction 7 with 282 rules applied. Total rules applied 1503 place count 159 transition count 357
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1515 place count 159 transition count 345
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1520 place count 154 transition count 335
Iterating global reduction 8 with 5 rules applied. Total rules applied 1525 place count 154 transition count 335
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 1551 place count 141 transition count 320
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1565 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 1599 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 1616 place count 124 transition count 323
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1625 place count 115 transition count 305
Iterating global reduction 10 with 9 rules applied. Total rules applied 1634 place count 115 transition count 305
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 1639 place count 115 transition count 300
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 1675 place count 115 transition count 264
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1676 place count 114 transition count 263
Applied a total of 1676 rules in 87 ms. Remains 114 /1540 variables (removed 1426) and now considering 263/1969 (removed 1706) transitions.
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
// Phase 1: matrix 206 rows 114 cols
[2024-05-21 02:36:42] [INFO ] Computed 0 invariants in 2 ms
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 206 transitions (discarded 57 similar events)
[2024-05-21 02:36:42] [INFO ] Invariant cache hit.
[2024-05-21 02:36:42] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants and state equation in 110 ms returned [8, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 161 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/1540 places, 263/1969 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 261
Applied a total of 4 rules in 5 ms. Remains 110 /112 variables (removed 2) and now considering 261/263 (removed 2) transitions.
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
// Phase 1: matrix 204 rows 110 cols
[2024-05-21 02:36:42] [INFO ] Computed 0 invariants in 0 ms
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-21 02:36:42] [INFO ] Flow matrix only has 204 transitions (discarded 57 similar events)
[2024-05-21 02:36:42] [INFO ] Invariant cache hit.
[2024-05-21 02:36:42] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:42] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/1540 places, 261/1969 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 396 ms. Remains : 110/1540 places, 261/1969 transitions.
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-03
Stuttering criterion allowed to conclude after 4646 steps with 428 reset in 36 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-03 finished in 539 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 U p1))) U (((p0 U p2)||p0) U G(p3))))'
Support contains 4 out of 1540 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1872 edges and 1540 vertex of which 680 / 1540 are part of one of the 61 SCC in 2 ms
Free SCC test removed 619 places
Ensure Unique test removed 720 transitions
Reduce isomorphic transitions removed 720 transitions.
Graph (complete) has 1420 edges and 921 vertex of which 912 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 499 transitions
Trivial Post-agglo rules discarded 499 transitions
Performed 499 trivial Post agglomeration. Transition count delta: 499
Iterating post reduction 0 with 499 rules applied. Total rules applied 501 place count 911 transition count 744
Reduce places removed 499 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 522 rules applied. Total rules applied 1023 place count 412 transition count 721
Reduce places removed 11 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 14 rules applied. Total rules applied 1037 place count 401 transition count 718
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 1040 place count 398 transition count 718
Performed 49 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 49 Pre rules applied. Total rules applied 1040 place count 398 transition count 669
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 4 with 98 rules applied. Total rules applied 1138 place count 349 transition count 669
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1156 place count 331 transition count 640
Iterating global reduction 4 with 18 rules applied. Total rules applied 1174 place count 331 transition count 640
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1176 place count 331 transition count 638
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1178 place count 329 transition count 638
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1178 place count 329 transition count 637
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1180 place count 328 transition count 637
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1190 place count 318 transition count 623
Iterating global reduction 6 with 10 rules applied. Total rules applied 1200 place count 318 transition count 623
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1206 place count 318 transition count 617
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1208 place count 316 transition count 613
Iterating global reduction 7 with 2 rules applied. Total rules applied 1210 place count 316 transition count 613
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1212 place count 314 transition count 609
Iterating global reduction 7 with 2 rules applied. Total rules applied 1214 place count 314 transition count 609
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1216 place count 312 transition count 605
Iterating global reduction 7 with 2 rules applied. Total rules applied 1218 place count 312 transition count 605
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1220 place count 310 transition count 601
Iterating global reduction 7 with 2 rules applied. Total rules applied 1222 place count 310 transition count 601
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1224 place count 308 transition count 597
Iterating global reduction 7 with 2 rules applied. Total rules applied 1226 place count 308 transition count 597
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1227 place count 307 transition count 590
Iterating global reduction 7 with 1 rules applied. Total rules applied 1228 place count 307 transition count 590
Performed 143 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 143 places in 0 ms
Reduce places removed 143 places and 0 transitions.
Iterating global reduction 7 with 286 rules applied. Total rules applied 1514 place count 164 transition count 367
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 1528 place count 164 transition count 353
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1533 place count 159 transition count 343
Iterating global reduction 8 with 5 rules applied. Total rules applied 1538 place count 159 transition count 343
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 1564 place count 146 transition count 328
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 8 with 15 rules applied. Total rules applied 1579 place count 146 transition count 313
Performed 19 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
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 1617 place count 127 transition count 346
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 9 with 18 rules applied. Total rules applied 1635 place count 127 transition count 328
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1644 place count 118 transition count 310
Iterating global reduction 10 with 9 rules applied. Total rules applied 1653 place count 118 transition count 310
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 1658 place count 118 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 11 with 34 rules applied. Total rules applied 1692 place count 118 transition count 271
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1693 place count 117 transition count 270
Applied a total of 1693 rules in 89 ms. Remains 117 /1540 variables (removed 1423) and now considering 270/1969 (removed 1699) transitions.
[2024-05-21 02:36:43] [INFO ] Flow matrix only has 215 transitions (discarded 55 similar events)
// Phase 1: matrix 215 rows 117 cols
[2024-05-21 02:36:43] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:36:43] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-21 02:36:43] [INFO ] Flow matrix only has 215 transitions (discarded 55 similar events)
[2024-05-21 02:36:43] [INFO ] Invariant cache hit.
[2024-05-21 02:36:43] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:43] [INFO ] Implicit Places using invariants and state equation in 114 ms returned [8, 42]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 159 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/1540 places, 270/1969 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 113 transition count 268
Applied a total of 4 rules in 6 ms. Remains 113 /115 variables (removed 2) and now considering 268/270 (removed 2) transitions.
[2024-05-21 02:36:43] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
// Phase 1: matrix 213 rows 113 cols
[2024-05-21 02:36:43] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:36:43] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-21 02:36:43] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:36:43] [INFO ] Invariant cache hit.
[2024-05-21 02:36:43] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:43] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 113/1540 places, 268/1969 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 397 ms. Remains : 113/1540 places, 268/1969 transitions.
Stuttering acceptance computed with spot in 218 ms :[p3, p3, p3, (AND p3 p1), (AND p3 p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-04
Product exploration explored 100000 steps with 8926 reset in 215 ms.
Product exploration explored 100000 steps with 8962 reset in 191 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 (NOT p3) (NOT p0) (NOT p2) (NOT p1)), (X (NOT (OR p0 p2))), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p1 p3))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (OR p0 p2)))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 92 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND p1 p3), (AND p1 p3)]
RANDOM walk for 40000 steps (4295 resets) in 628 ms. (63 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (763 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
[2024-05-21 02:36:44] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:36:44] [INFO ] Invariant cache hit.
[2024-05-21 02:36:44] [INFO ] State equation strengthened by 3 read => feed constraints.
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) 7/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/50 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 145/195 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 124/319 variables, 74/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/319 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/325 variables, 6/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/325 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/326 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 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) 7/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/50 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 145/195 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 124/319 variables, 74/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/319 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/325 variables, 6/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/325 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/326 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/326 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/326 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 278ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 11 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=11 )
Parikh walk visited 1 properties in 10 ms.
Knowledge obtained : [(AND (NOT p3) (NOT p0) (NOT p2) (NOT p1)), (X (NOT (OR p0 p2))), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p1 p3))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (OR p0 p2)))), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p3), (F (NOT (OR p1 (NOT p3)))), (F (NOT (OR (NOT p1) (NOT p3))))]
Knowledge based reduction with 14 factoid took 214 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 76 ms :[(AND p1 p3), (AND p1 p3)]
Stuttering acceptance computed with spot in 93 ms :[(AND p1 p3), (AND p1 p3)]
Support contains 2 out of 113 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 113/113 places, 268/268 transitions.
Applied a total of 0 rules in 6 ms. Remains 113 /113 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-21 02:36:45] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:36:45] [INFO ] Invariant cache hit.
[2024-05-21 02:36:45] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-21 02:36:45] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:36:45] [INFO ] Invariant cache hit.
[2024-05-21 02:36:45] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:36:45] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
[2024-05-21 02:36:45] [INFO ] Redundant transitions in 58 ms returned []
Running 263 sub problems to find dead transitions.
[2024-05-21 02:36:45] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:36:45] [INFO ] Invariant cache hit.
[2024-05-21 02:36:45] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 212/324 variables, 112/112 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/324 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 263 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/324 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (OVERLAPS) 1/325 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/325 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (OVERLAPS) 1/326 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 8 (OVERLAPS) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 116 constraints, problems are : Problem set: 0 solved, 263 unsolved in 8093 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 263 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 1 (OVERLAPS) 212/324 variables, 112/112 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/324 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/324 variables, 263/377 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/324 variables, 0/377 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 5 (OVERLAPS) 1/325 variables, 1/378 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 7 (OVERLAPS) 1/326 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/326 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 263 unsolved
At refinement iteration 9 (OVERLAPS) 0/326 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 263 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 379 constraints, problems are : Problem set: 0 solved, 263 unsolved in 15485 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 263/263 constraints, Known Traps: 0/0 constraints]
After SMT, in 23730ms problems are : Problem set: 0 solved, 263 unsolved
Search for dead transitions found 0 dead transitions in 23734ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 23964 ms. Remains : 113/113 places, 268/268 transitions.
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 (NOT p1) (NOT p3)), (X (NOT p3)), (X (NOT (AND p1 p3))), (X (NOT (AND (NOT p1) p3))), (X (NOT p1)), (X (X (NOT p3))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 113 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 84 ms :[(AND p3 p1), (AND p3 p1)]
RANDOM walk for 40000 steps (4291 resets) in 218 ms. (182 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40003 steps (765 resets) in 159 ms. (250 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (749 resets) in 143 ms. (277 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (761 resets) in 108 ms. (367 steps per ms) remains 1/3 properties
[2024-05-21 02:37:09] [INFO ] Flow matrix only has 213 transitions (discarded 55 similar events)
[2024-05-21 02:37:09] [INFO ] Invariant cache hit.
[2024-05-21 02:37:09] [INFO ] State equation strengthened by 3 read => feed constraints.
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) 7/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/50 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 145/195 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 124/319 variables, 74/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/319 variables, 2/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/325 variables, 6/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/325 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/326 variables, 1/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 116 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 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) 7/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/50 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 145/195 variables, 25/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 124/319 variables, 74/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/319 variables, 2/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/319 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/325 variables, 6/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/325 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/326 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/326 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/326 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 117 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[State Equation: 113/113 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 219ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 11 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=11 )
Parikh walk visited 1 properties in 3 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p3)), (X (NOT p3)), (X (NOT (AND p1 p3))), (X (NOT (AND (NOT p1) p3))), (X (NOT p1)), (X (X (NOT p3))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F p3), (F (NOT (OR (NOT p3) p1))), (F (NOT (OR (NOT p3) (NOT p1))))]
Knowledge based reduction with 9 factoid took 237 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(AND p3 p1), (AND p3 p1)]
Stuttering acceptance computed with spot in 70 ms :[(AND p3 p1), (AND p3 p1)]
Stuttering acceptance computed with spot in 87 ms :[(AND p3 p1), (AND p3 p1)]
Product exploration explored 100000 steps with 8977 reset in 128 ms.
Product exploration explored 100000 steps with 8940 reset in 132 ms.
Support contains 2 out of 113 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 113/113 places, 268/268 transitions.
Graph (trivial) has 148 edges and 113 vertex of which 2 / 113 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
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 0 with 1 rules applied. Total rules applied 2 place count 112 transition count 266
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 111 transition count 266
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 111 transition count 264
Applied a total of 5 rules in 7 ms. Remains 111 /113 variables (removed 2) and now considering 264/268 (removed 4) transitions.
[2024-05-21 02:37:10] [INFO ] Flow matrix only has 208 transitions (discarded 56 similar events)
// Phase 1: matrix 208 rows 111 cols
[2024-05-21 02:37:10] [INFO ] Computed 0 invariants in 2 ms
[2024-05-21 02:37:10] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-21 02:37:10] [INFO ] Flow matrix only has 208 transitions (discarded 56 similar events)
[2024-05-21 02:37:10] [INFO ] Invariant cache hit.
[2024-05-21 02:37:10] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:37:10] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2024-05-21 02:37:10] [INFO ] Redundant transitions in 29 ms returned []
Running 259 sub problems to find dead transitions.
[2024-05-21 02:37:10] [INFO ] Flow matrix only has 208 transitions (discarded 56 similar events)
[2024-05-21 02:37:10] [INFO ] Invariant cache hit.
[2024-05-21 02:37:10] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (OVERLAPS) 207/317 variables, 110/110 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (OVERLAPS) 1/318 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/318 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (OVERLAPS) 1/319 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/319 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 8 (OVERLAPS) 0/319 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 259 unsolved
No progress, stopping.
After SMT solving in domain Real declared 319/319 variables, and 114 constraints, problems are : Problem set: 0 solved, 259 unsolved in 8757 ms.
Refiners :[State Equation: 111/111 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 259 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 1 (OVERLAPS) 207/317 variables, 110/110 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 2/112 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 259/371 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 0/371 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 5 (OVERLAPS) 1/318 variables, 1/372 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/318 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 7 (OVERLAPS) 1/319 variables, 1/373 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/319 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 259 unsolved
At refinement iteration 9 (OVERLAPS) 0/319 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 259 unsolved
No progress, stopping.
After SMT solving in domain Int declared 319/319 variables, and 373 constraints, problems are : Problem set: 0 solved, 259 unsolved in 14410 ms.
Refiners :[State Equation: 111/111 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 259/259 constraints, Known Traps: 0/0 constraints]
After SMT, in 23314ms problems are : Problem set: 0 solved, 259 unsolved
Search for dead transitions found 0 dead transitions in 23316ms
Starting structural reductions in SI_LTL mode, iteration 1 : 111/113 places, 264/268 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 23505 ms. Remains : 111/113 places, 264/268 transitions.
Treatment of property CloudReconfiguration-PT-302-LTLFireability-04 finished in 51242 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(F(p0)))&&((F(p0) U G(p1)) U (p2&&F(p1)))))'
Support contains 3 out of 1540 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1528 transition count 1956
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1528 transition count 1956
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 1528 transition count 1955
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 31 place count 1522 transition count 1949
Iterating global reduction 1 with 6 rules applied. Total rules applied 37 place count 1522 transition count 1949
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 38 place count 1522 transition count 1948
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 42 place count 1518 transition count 1943
Iterating global reduction 2 with 4 rules applied. Total rules applied 46 place count 1518 transition count 1943
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 1516 transition count 1941
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 1516 transition count 1941
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 52 place count 1514 transition count 1938
Iterating global reduction 2 with 2 rules applied. Total rules applied 54 place count 1514 transition count 1938
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 1512 transition count 1935
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 1512 transition count 1935
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 60 place count 1510 transition count 1933
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 1510 transition count 1933
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 1510 transition count 1932
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 1509 transition count 1931
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 1509 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 1508 transition count 1930
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 1508 transition count 1930
Applied a total of 67 rules in 418 ms. Remains 1508 /1540 variables (removed 32) and now considering 1930/1969 (removed 39) transitions.
// Phase 1: matrix 1930 rows 1508 cols
[2024-05-21 02:37:34] [INFO ] Computed 4 invariants in 15 ms
[2024-05-21 02:37:34] [INFO ] Implicit Places using invariants in 236 ms returned []
[2024-05-21 02:37:34] [INFO ] Invariant cache hit.
[2024-05-21 02:37:35] [INFO ] Implicit Places using invariants and state equation in 946 ms returned []
Implicit Place search using SMT with State Equation took 1184 ms to find 0 implicit places.
Running 1929 sub problems to find dead transitions.
[2024-05-21 02:37:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1929 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30038 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 1929/1929 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1929 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1507 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 1507/3438 variables, and 4 constraints, problems are : Problem set: 0 solved, 1929 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1508 constraints, PredecessorRefiner: 0/1929 constraints, Known Traps: 0/0 constraints]
After SMT, in 60604ms problems are : Problem set: 0 solved, 1929 unsolved
Search for dead transitions found 0 dead transitions in 60627ms
Starting structural reductions in LTL mode, iteration 1 : 1508/1540 places, 1930/1969 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62236 ms. Remains : 1508/1540 places, 1930/1969 transitions.
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (NOT p0), (NOT p1), (OR (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-05
Stuttering criterion allowed to conclude after 85 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-05 finished in 62493 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(G(p1))))&&X(F(p2))))'
Support contains 3 out of 1540 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1527 transition count 1955
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1527 transition count 1955
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 27 place count 1527 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 1521 transition count 1948
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 1521 transition count 1948
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 40 place count 1521 transition count 1947
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 44 place count 1517 transition count 1942
Iterating global reduction 2 with 4 rules applied. Total rules applied 48 place count 1517 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 50 place count 1515 transition count 1940
Iterating global reduction 2 with 2 rules applied. Total rules applied 52 place count 1515 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 54 place count 1513 transition count 1937
Iterating global reduction 2 with 2 rules applied. Total rules applied 56 place count 1513 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 58 place count 1511 transition count 1934
Iterating global reduction 2 with 2 rules applied. Total rules applied 60 place count 1511 transition count 1934
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 1509 transition count 1932
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 1509 transition count 1932
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 65 place count 1509 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 1508 transition count 1930
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 68 place count 1507 transition count 1929
Iterating global reduction 3 with 1 rules applied. Total rules applied 69 place count 1507 transition count 1929
Applied a total of 69 rules in 411 ms. Remains 1507 /1540 variables (removed 33) and now considering 1929/1969 (removed 40) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2024-05-21 02:38:37] [INFO ] Computed 4 invariants in 16 ms
[2024-05-21 02:38:37] [INFO ] Implicit Places using invariants in 225 ms returned []
[2024-05-21 02:38:37] [INFO ] Invariant cache hit.
[2024-05-21 02:38:38] [INFO ] Implicit Places using invariants and state equation in 955 ms returned []
Implicit Place search using SMT with State Equation took 1183 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2024-05-21 02:38:38] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1506 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 30029 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 60525ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60546ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1540 places, 1929/1969 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62147 ms. Remains : 1507/1540 places, 1929/1969 transitions.
Stuttering acceptance computed with spot in 148 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p2), true]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-09 finished in 62322 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)&&F(p1))))'
Support contains 3 out of 1540 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Graph (trivial) has 1875 edges and 1540 vertex of which 684 / 1540 are part of one of the 63 SCC in 3 ms
Free SCC test removed 621 places
Ensure Unique test removed 721 transitions
Reduce isomorphic transitions removed 721 transitions.
Graph (complete) has 1419 edges and 919 vertex of which 910 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.3 ms
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 500 transitions
Trivial Post-agglo rules discarded 500 transitions
Performed 500 trivial Post agglomeration. Transition count delta: 500
Iterating post reduction 0 with 500 rules applied. Total rules applied 502 place count 909 transition count 742
Reduce places removed 500 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 1 with 525 rules applied. Total rules applied 1027 place count 409 transition count 717
Reduce places removed 12 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 13 rules applied. Total rules applied 1040 place count 397 transition count 716
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1041 place count 396 transition count 716
Performed 47 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 47 Pre rules applied. Total rules applied 1041 place count 396 transition count 669
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 4 with 94 rules applied. Total rules applied 1135 place count 349 transition count 669
Discarding 18 places :
Symmetric choice reduction at 4 with 18 rule applications. Total rules 1153 place count 331 transition count 640
Iterating global reduction 4 with 18 rules applied. Total rules applied 1171 place count 331 transition count 640
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 1173 place count 331 transition count 638
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1175 place count 329 transition count 638
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1175 place count 329 transition count 637
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1177 place count 328 transition count 637
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1187 place count 318 transition count 623
Iterating global reduction 6 with 10 rules applied. Total rules applied 1197 place count 318 transition count 623
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 1203 place count 318 transition count 617
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1205 place count 316 transition count 613
Iterating global reduction 7 with 2 rules applied. Total rules applied 1207 place count 316 transition count 613
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1209 place count 314 transition count 609
Iterating global reduction 7 with 2 rules applied. Total rules applied 1211 place count 314 transition count 609
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1213 place count 312 transition count 605
Iterating global reduction 7 with 2 rules applied. Total rules applied 1215 place count 312 transition count 605
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1217 place count 310 transition count 601
Iterating global reduction 7 with 2 rules applied. Total rules applied 1219 place count 310 transition count 601
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 1221 place count 308 transition count 597
Iterating global reduction 7 with 2 rules applied. Total rules applied 1223 place count 308 transition count 597
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 1224 place count 307 transition count 590
Iterating global reduction 7 with 1 rules applied. Total rules applied 1225 place count 307 transition count 590
Performed 144 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 144 places in 0 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 7 with 288 rules applied. Total rules applied 1513 place count 163 transition count 363
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 7 with 12 rules applied. Total rules applied 1525 place count 163 transition count 351
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 1530 place count 158 transition count 341
Iterating global reduction 8 with 5 rules applied. Total rules applied 1535 place count 158 transition count 341
Performed 13 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 1561 place count 145 transition count 326
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 8 with 14 rules applied. Total rules applied 1575 place count 145 transition count 312
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 1609 place count 128 transition count 346
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 9 with 17 rules applied. Total rules applied 1626 place count 128 transition count 329
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 1635 place count 119 transition count 311
Iterating global reduction 10 with 9 rules applied. Total rules applied 1644 place count 119 transition count 311
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 1650 place count 119 transition count 305
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 11 with 37 rules applied. Total rules applied 1687 place count 119 transition count 268
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 1688 place count 118 transition count 267
Applied a total of 1688 rules in 73 ms. Remains 118 /1540 variables (removed 1422) and now considering 267/1969 (removed 1702) transitions.
[2024-05-21 02:39:39] [INFO ] Flow matrix only has 210 transitions (discarded 57 similar events)
// Phase 1: matrix 210 rows 118 cols
[2024-05-21 02:39:39] [INFO ] Computed 0 invariants in 0 ms
[2024-05-21 02:39:39] [INFO ] Implicit Places using invariants in 226 ms returned []
[2024-05-21 02:39:39] [INFO ] Flow matrix only has 210 transitions (discarded 57 similar events)
[2024-05-21 02:39:39] [INFO ] Invariant cache hit.
[2024-05-21 02:39:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:39:39] [INFO ] Implicit Places using invariants and state equation in 115 ms returned [8, 41]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 342 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 116/1540 places, 267/1969 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 114 transition count 265
Applied a total of 4 rules in 7 ms. Remains 114 /116 variables (removed 2) and now considering 265/267 (removed 2) transitions.
[2024-05-21 02:39:39] [INFO ] Flow matrix only has 208 transitions (discarded 57 similar events)
// Phase 1: matrix 208 rows 114 cols
[2024-05-21 02:39:39] [INFO ] Computed 0 invariants in 1 ms
[2024-05-21 02:39:39] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-05-21 02:39:39] [INFO ] Flow matrix only has 208 transitions (discarded 57 similar events)
[2024-05-21 02:39:39] [INFO ] Invariant cache hit.
[2024-05-21 02:39:39] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 02:39:39] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 114/1540 places, 265/1969 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 628 ms. Remains : 114/1540 places, 265/1969 transitions.
Stuttering acceptance computed with spot in 100 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-11
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-11 finished in 747 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(F(p0)))'
Support contains 1 out of 1540 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 1527 transition count 1955
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 1527 transition count 1955
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 27 place count 1527 transition count 1954
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 33 place count 1521 transition count 1948
Iterating global reduction 1 with 6 rules applied. Total rules applied 39 place count 1521 transition count 1948
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 40 place count 1521 transition count 1947
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 44 place count 1517 transition count 1942
Iterating global reduction 2 with 4 rules applied. Total rules applied 48 place count 1517 transition count 1942
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 50 place count 1515 transition count 1940
Iterating global reduction 2 with 2 rules applied. Total rules applied 52 place count 1515 transition count 1940
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 54 place count 1513 transition count 1937
Iterating global reduction 2 with 2 rules applied. Total rules applied 56 place count 1513 transition count 1937
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 58 place count 1511 transition count 1934
Iterating global reduction 2 with 2 rules applied. Total rules applied 60 place count 1511 transition count 1934
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 62 place count 1509 transition count 1932
Iterating global reduction 2 with 2 rules applied. Total rules applied 64 place count 1509 transition count 1932
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 65 place count 1509 transition count 1931
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 1508 transition count 1930
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 1508 transition count 1930
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 68 place count 1507 transition count 1929
Iterating global reduction 3 with 1 rules applied. Total rules applied 69 place count 1507 transition count 1929
Applied a total of 69 rules in 391 ms. Remains 1507 /1540 variables (removed 33) and now considering 1929/1969 (removed 40) transitions.
// Phase 1: matrix 1929 rows 1507 cols
[2024-05-21 02:39:40] [INFO ] Computed 4 invariants in 12 ms
[2024-05-21 02:39:40] [INFO ] Implicit Places using invariants in 218 ms returned []
[2024-05-21 02:39:40] [INFO ] Invariant cache hit.
[2024-05-21 02:39:41] [INFO ] Implicit Places using invariants and state equation in 905 ms returned []
Implicit Place search using SMT with State Equation took 1124 ms to find 0 implicit places.
Running 1928 sub problems to find dead transitions.
[2024-05-21 02:39:41] [INFO ] Invariant cache hit.
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 30033 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 "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 1506/3436 variables, and 4 constraints, problems are : Problem set: 0 solved, 1928 unsolved in 30029 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 60539ms problems are : Problem set: 0 solved, 1928 unsolved
Search for dead transitions found 0 dead transitions in 60557ms
Starting structural reductions in LTL mode, iteration 1 : 1507/1540 places, 1929/1969 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62080 ms. Remains : 1507/1540 places, 1929/1969 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-13
Stuttering criterion allowed to conclude after 145 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-13 finished in 62188 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 (p0 U p1)))'
Support contains 2 out of 1540 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1540/1540 places, 1969/1969 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 1528 transition count 1957
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 1528 transition count 1957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 1528 transition count 1956
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 30 place count 1523 transition count 1951
Iterating global reduction 1 with 5 rules applied. Total rules applied 35 place count 1523 transition count 1951
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 36 place count 1523 transition count 1950
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 39 place count 1520 transition count 1946
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 1520 transition count 1946
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 43 place count 1519 transition count 1945
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 1519 transition count 1945
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 45 place count 1518 transition count 1944
Iterating global reduction 2 with 1 rules applied. Total rules applied 46 place count 1518 transition count 1944
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 47 place count 1517 transition count 1943
Iterating global reduction 2 with 1 rules applied. Total rules applied 48 place count 1517 transition count 1943
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 49 place count 1516 transition count 1942
Iterating global reduction 2 with 1 rules applied. Total rules applied 50 place count 1516 transition count 1942
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 1515 transition count 1941
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 1515 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 1514 transition count 1940
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 1514 transition count 1940
Applied a total of 54 rules in 396 ms. Remains 1514 /1540 variables (removed 26) and now considering 1940/1969 (removed 29) transitions.
// Phase 1: matrix 1940 rows 1514 cols
[2024-05-21 02:40:42] [INFO ] Computed 4 invariants in 12 ms
[2024-05-21 02:40:42] [INFO ] Implicit Places using invariants in 217 ms returned []
[2024-05-21 02:40:42] [INFO ] Invariant cache hit.
[2024-05-21 02:40:43] [INFO ] Implicit Places using invariants and state equation in 926 ms returned []
Implicit Place search using SMT with State Equation took 1152 ms to find 0 implicit places.
Running 1939 sub problems to find dead transitions.
[2024-05-21 02:40:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1513/3454 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 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) 0/1513 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1939 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1513/3454 variables, and 4 constraints, problems are : Problem set: 0 solved, 1939 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/1514 constraints, PredecessorRefiner: 0/1939 constraints, Known Traps: 0/0 constraints]
After SMT, in 60546ms problems are : Problem set: 0 solved, 1939 unsolved
Search for dead transitions found 0 dead transitions in 60565ms
Starting structural reductions in LTL mode, iteration 1 : 1514/1540 places, 1940/1969 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62118 ms. Remains : 1514/1540 places, 1940/1969 transitions.
Stuttering acceptance computed with spot in 122 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : CloudReconfiguration-PT-302-LTLFireability-15
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CloudReconfiguration-PT-302-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudReconfiguration-PT-302-LTLFireability-15 finished in 62260 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 U p1))) U (((p0 U p2)||p0) U G(p3))))'
[2024-05-21 02:41:44] [INFO ] Flatten gal took : 57 ms
[2024-05-21 02:41:44] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-21 02:41:44] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1540 places, 1969 transitions and 4109 arcs took 18 ms.
Total runtime 438317 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running CloudReconfiguration-PT-302
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/411/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1540
TRANSITIONS: 1969
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.028s, Sys 0.000s]
SAVING FILE /home/mcc/execution/411/model (.net / .def) ...
EXPORT TIME: [User 0.006s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 1077
MODEL NAME: /home/mcc/execution/411/model
1540 places, 1969 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA CloudReconfiguration-PT-302-LTLFireability-04 CANNOT_COMPUTE
Ok.
EXITCODE: 0
----------------------------------------------------------------------
BK_STOP 1716259791838
--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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
MEDDLY ERROR: Insufficient memory
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-302"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is CloudReconfiguration-PT-302, 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 r091-tall-171624187100124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 '
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 ;