Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r053-smll-165252139100192.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.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 2-4028
Executing tool itstools
Input is CloudReconfiguration-PT-313, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-smll-165252139100192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 868K
-rw-r--r-- 1 mcc users 5.8K Apr 29 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Apr 29 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 29 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 29 14:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 9 07:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 9 07:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 07:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 07:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 660K May 10 09:33 model.pnml

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content from stdout:

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1652604498436

Running Version 202205111006
[2022-05-15 08:48:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-15 08:48:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 08:48:21] [INFO ] Load time of PNML (sax parser for PT used): 510 ms
[2022-05-15 08:48:21] [INFO ] Transformed 2585 places.
[2022-05-15 08:48:21] [INFO ] Transformed 3095 transitions.
[2022-05-15 08:48:21] [INFO ] Found NUPN structural information;
[2022-05-15 08:48:21] [INFO ] Parsed PT model containing 2585 places and 3095 transitions in 779 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2957 edges and 2585 vertex of which 882 / 2585 are part of one of the 63 SCC in 32 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 1766 transition count 969
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 1291 rules applied. Total rules applied 2482 place count 576 transition count 868
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2518 place count 543 transition count 865
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 2518 place count 543 transition count 845
Deduced a syphon composed of 20 places in 12 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 523 transition count 845
Discarding 90 places :
Symmetric choice reduction at 3 with 90 rule applications. Total rules 2648 place count 433 transition count 743
Iterating global reduction 3 with 90 rules applied. Total rules applied 2738 place count 433 transition count 743
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 3 rules applied. Total rules applied 2741 place count 433 transition count 740
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 2744 place count 430 transition count 740
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 2744 place count 430 transition count 734
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 2756 place count 424 transition count 734
Discarding 60 places :
Symmetric choice reduction at 5 with 60 rule applications. Total rules 2816 place count 364 transition count 674
Iterating global reduction 5 with 60 rules applied. Total rules applied 2876 place count 364 transition count 674
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 5 with 36 rules applied. Total rules applied 2912 place count 364 transition count 638
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 6 with 30 rules applied. Total rules applied 2942 place count 346 transition count 626
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 2948 place count 340 transition count 626
Discarding 21 places :
Symmetric choice reduction at 8 with 21 rule applications. Total rules 2969 place count 319 transition count 593
Iterating global reduction 8 with 21 rules applied. Total rules applied 2990 place count 319 transition count 593
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 2999 place count 319 transition count 584
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 3008 place count 310 transition count 566
Iterating global reduction 9 with 9 rules applied. Total rules applied 3017 place count 310 transition count 566
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 3020 place count 307 transition count 560
Iterating global reduction 9 with 3 rules applied. Total rules applied 3023 place count 307 transition count 560
Performed 145 Post agglomeration using F-continuation condition with reduction of 63 identical transitions.
Deduced a syphon composed of 145 places in 1 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 9 with 290 rules applied. Total rules applied 3313 place count 162 transition count 352
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 3319 place count 159 transition count 349
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 3325 place count 159 transition count 343
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 3331 place count 156 transition count 340
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 3337 place count 156 transition count 334
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 11 with 30 rules applied. Total rules applied 3367 place count 141 transition count 367
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 11 with 15 rules applied. Total rules applied 3382 place count 141 transition count 352
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3385 place count 138 transition count 346
Iterating global reduction 12 with 3 rules applied. Total rules applied 3388 place count 138 transition count 346
Applied a total of 3388 rules in 473 ms. Remains 138 /2585 variables (removed 2447) and now considering 346/3095 (removed 2749) transitions.
[2022-05-15 08:48:22] [INFO ] Flow matrix only has 270 transitions (discarded 76 similar events)
// Phase 1: matrix 270 rows 138 cols
[2022-05-15 08:48:22] [INFO ] Computed 4 place invariants in 39 ms
[2022-05-15 08:48:22] [INFO ] Implicit Places using invariants in 452 ms returned []
[2022-05-15 08:48:22] [INFO ] Flow matrix only has 270 transitions (discarded 76 similar events)
// Phase 1: matrix 270 rows 138 cols
[2022-05-15 08:48:22] [INFO ] Computed 4 place invariants in 14 ms
[2022-05-15 08:48:23] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:48:23] [INFO ] Implicit Places using invariants and state equation in 418 ms returned [59, 131]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 946 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 136/2585 places, 346/3095 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 134 transition count 344
Applied a total of 4 rules in 12 ms. Remains 134 /136 variables (removed 2) and now considering 344/346 (removed 2) transitions.
[2022-05-15 08:48:23] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:48:23] [INFO ] Computed 2 place invariants in 3 ms
[2022-05-15 08:48:23] [INFO ] Implicit Places using invariants in 131 ms returned []
[2022-05-15 08:48:23] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:48:23] [INFO ] Computed 2 place invariants in 3 ms
[2022-05-15 08:48:23] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:48:23] [INFO ] Implicit Places using invariants and state equation in 364 ms returned []
Implicit Place search using SMT with State Equation took 499 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 134/2585 places, 344/3095 transitions.
Finished structural reductions, in 2 iterations. Remains : 134/2585 places, 344/3095 transitions.
Discarding 217 transitions out of 344. Remains 127
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 969 resets, run finished after 1158 ms. (steps per millisecond=8 ) properties (out of 126) seen :94
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 20 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1000 steps, including 18 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 1000 steps, including 21 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 1001 steps, including 19 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 24 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 28) seen :0
Running SMT prover for 28 properties.
[2022-05-15 08:48:25] [INFO ] Flow matrix only has 268 transitions (discarded 76 similar events)
// Phase 1: matrix 268 rows 134 cols
[2022-05-15 08:48:25] [INFO ] Computed 2 place invariants in 2 ms
[2022-05-15 08:48:25] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2022-05-15 08:48:26] [INFO ] After 859ms SMT Verify possible using state equation in real domain returned unsat :0 sat :6 real:22
[2022-05-15 08:48:26] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:48:26] [INFO ] After 123ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:28
[2022-05-15 08:48:26] [INFO ] After 1342ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:28
[2022-05-15 08:48:27] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2022-05-15 08:48:27] [INFO ] After 691ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :28
[2022-05-15 08:48:28] [INFO ] After 565ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :28
[2022-05-15 08:48:29] [INFO ] After 1483ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :28
Attempting to minimize the solution found.
Minimization took 618 ms.
[2022-05-15 08:48:30] [INFO ] After 3156ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :28
Parikh walk visited 0 properties in 33 ms.
Support contains 33 out of 134 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 134/134 places, 344/344 transitions.
Drop transitions removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 134 transition count 273
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 77 place count 128 transition count 273
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 94 place count 111 transition count 247
Iterating global reduction 2 with 17 rules applied. Total rules applied 111 place count 111 transition count 247
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 126 place count 111 transition count 232
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 128 place count 109 transition count 226
Iterating global reduction 3 with 2 rules applied. Total rules applied 130 place count 109 transition count 226
Performed 18 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 166 place count 91 transition count 202
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 176 place count 91 transition count 192
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 186 place count 86 transition count 197
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 188 place count 86 transition count 195
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 190 place count 84 transition count 191
Iterating global reduction 5 with 2 rules applied. Total rules applied 192 place count 84 transition count 191
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 194 place count 84 transition count 189
Drop transitions removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 6 with 26 rules applied. Total rules applied 220 place count 84 transition count 163
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 220 place count 84 transition count 162
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 222 place count 83 transition count 162
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 228 place count 83 transition count 162
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 230 place count 83 transition count 160
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 232 place count 83 transition count 160
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 234 place count 83 transition count 158
Applied a total of 234 rules in 105 ms. Remains 83 /134 variables (removed 51) and now considering 158/344 (removed 186) transitions.
Finished structural reductions, in 1 iterations. Remains : 83/134 places, 158/344 transitions.
Incomplete random walk after 1000000 steps, including 136165 resets, run finished after 4975 ms. (steps per millisecond=201 ) properties (out of 28) seen :27
Incomplete Best-First random walk after 1000001 steps, including 29713 resets, run finished after 674 ms. (steps per millisecond=1483 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-15 08:48:35] [INFO ] Flow matrix only has 149 transitions (discarded 9 similar events)
// Phase 1: matrix 149 rows 83 cols
[2022-05-15 08:48:35] [INFO ] Computed 4 place invariants in 1 ms
[2022-05-15 08:48:35] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 3 ms returned sat
[2022-05-15 08:48:35] [INFO ] After 104ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-15 08:48:35] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2022-05-15 08:48:36] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-15 08:48:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2022-05-15 08:48:36] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-05-15 08:48:36] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2022-05-15 08:48:36] [INFO ] After 130ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 11 ms.
Support contains 5 out of 83 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 83/83 places, 158/158 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 83 transition count 156
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 81 transition count 156
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 6 place count 79 transition count 154
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 79 transition count 154
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 24 place count 71 transition count 146
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 32 place count 71 transition count 138
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 42 place count 61 transition count 128
Iterating global reduction 1 with 10 rules applied. Total rules applied 52 place count 61 transition count 128
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 56 place count 61 transition count 124
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 70 place count 54 transition count 117
Drop transitions removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 77 place count 54 transition count 110
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 83 place count 48 transition count 104
Iterating global reduction 3 with 6 rules applied. Total rules applied 89 place count 48 transition count 104
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 95 place count 48 transition count 98
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 103 place count 44 transition count 98
Drop transitions removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 108 place count 44 transition count 93
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 112 place count 40 transition count 89
Iterating global reduction 5 with 4 rules applied. Total rules applied 116 place count 40 transition count 89
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 120 place count 40 transition count 85
Drop transitions removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 6 with 9 rules applied. Total rules applied 129 place count 40 transition count 76
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 130 place count 39 transition count 73
Iterating global reduction 6 with 1 rules applied. Total rules applied 131 place count 39 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 132 place count 39 transition count 72
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 133 place count 38 transition count 71
Iterating global reduction 7 with 1 rules applied. Total rules applied 134 place count 38 transition count 71
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 136 place count 38 transition count 69
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 8 with 4 rules applied. Total rules applied 140 place count 36 transition count 67
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 142 place count 36 transition count 65
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 144 place count 36 transition count 63
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 146 place count 34 transition count 61
Iterating global reduction 9 with 2 rules applied. Total rules applied 148 place count 34 transition count 61
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 150 place count 34 transition count 59
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 152 place count 34 transition count 57
Free-agglomeration rule applied 3 times.
Iterating global reduction 10 with 3 rules applied. Total rules applied 155 place count 34 transition count 54
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 10 with 3 rules applied. Total rules applied 158 place count 31 transition count 54
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 159 place count 30 transition count 53
Applied a total of 159 rules in 75 ms. Remains 30 /83 variables (removed 53) and now considering 53/158 (removed 105) transitions.
Finished structural reductions, in 1 iterations. Remains : 30/83 places, 53/158 transitions.
Finished random walk after 1923 steps, including 255 resets, run visited all 1 properties in 4 ms. (steps per millisecond=480 )
Able to resolve query QuasiLiveness after proving 127 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 15165 ms.

BK_STOP 1652604516230

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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-313"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-4028"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-313, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r053-smll-165252139100192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-313.tgz
mv CloudReconfiguration-PT-313 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;