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-165252139000132.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-301, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-smll-165252139000132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 908K
-rw-r--r-- 1 mcc users 8.5K Apr 29 14:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Apr 29 14:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 29 14:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 29 14:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 9 07:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 9 07:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:19 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

--------------------
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 1652602003276

Running Version 202205111006
[2022-05-15 08:06:45] [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 08:06:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 08:06:46] [INFO ] Load time of PNML (sax parser for PT used): 422 ms
[2022-05-15 08:06:46] [INFO ] Transformed 2584 places.
[2022-05-15 08:06:46] [INFO ] Transformed 3094 transitions.
[2022-05-15 08:06:46] [INFO ] Found NUPN structural information;
[2022-05-15 08:06:46] [INFO ] Parsed PT model containing 2584 places and 3094 transitions in 633 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2957 edges and 2584 vertex of which 882 / 2584 are part of one of the 63 SCC in 20 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 1765 transition count 968
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 575 transition count 867
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 542 transition count 864
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 542 transition count 844
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 522 transition count 844
Discarding 90 places :
Symmetric choice reduction at 3 with 90 rule applications. Total rules 2648 place count 432 transition count 742
Iterating global reduction 3 with 90 rules applied. Total rules applied 2738 place count 432 transition count 742
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 432 transition count 739
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 2744 place count 429 transition count 739
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 429 transition count 733
Deduced a syphon composed of 6 places in 6 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 2756 place count 423 transition count 733
Discarding 60 places :
Symmetric choice reduction at 5 with 60 rule applications. Total rules 2816 place count 363 transition count 673
Iterating global reduction 5 with 60 rules applied. Total rules applied 2876 place count 363 transition count 673
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 363 transition count 637
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 345 transition count 625
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 2948 place count 339 transition count 625
Discarding 21 places :
Symmetric choice reduction at 8 with 21 rule applications. Total rules 2969 place count 318 transition count 592
Iterating global reduction 8 with 21 rules applied. Total rules applied 2990 place count 318 transition count 592
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 318 transition count 583
Discarding 9 places :
Symmetric choice reduction at 9 with 9 rule applications. Total rules 3008 place count 309 transition count 565
Iterating global reduction 9 with 9 rules applied. Total rules applied 3017 place count 309 transition count 565
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 3020 place count 306 transition count 559
Iterating global reduction 9 with 3 rules applied. Total rules applied 3023 place count 306 transition count 559
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 161 transition count 351
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 158 transition count 348
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 158 transition count 342
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 155 transition count 339
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 155 transition count 333
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 11 with 30 rules applied. Total rules applied 3367 place count 140 transition count 366
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 140 transition count 351
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3385 place count 137 transition count 345
Iterating global reduction 12 with 3 rules applied. Total rules applied 3388 place count 137 transition count 345
Applied a total of 3388 rules in 342 ms. Remains 137 /2584 variables (removed 2447) and now considering 345/3094 (removed 2749) transitions.
[2022-05-15 08:06:46] [INFO ] Flow matrix only has 269 transitions (discarded 76 similar events)
// Phase 1: matrix 269 rows 137 cols
[2022-05-15 08:06:46] [INFO ] Computed 4 place invariants in 33 ms
[2022-05-15 08:06:46] [INFO ] SMT solver returned unknown. Retrying;
[2022-05-15 08:06:47] [INFO ] Implicit Places using invariants in 496 ms returned []
[2022-05-15 08:06:47] [INFO ] Flow matrix only has 269 transitions (discarded 76 similar events)
// Phase 1: matrix 269 rows 137 cols
[2022-05-15 08:06:47] [INFO ] Computed 4 place invariants in 4 ms
[2022-05-15 08:06:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:06:47] [INFO ] Implicit Places using invariants and state equation in 355 ms returned [59, 95, 131]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 899 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 134/2584 places, 345/3094 transitions.
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 0 with 6 rules applied. Total rules applied 6 place count 131 transition count 342
Applied a total of 6 rules in 13 ms. Remains 131 /134 variables (removed 3) and now considering 342/345 (removed 3) transitions.
[2022-05-15 08:06:47] [INFO ] Flow matrix only has 266 transitions (discarded 76 similar events)
// Phase 1: matrix 266 rows 131 cols
[2022-05-15 08:06:47] [INFO ] Computed 1 place invariants in 2 ms
[2022-05-15 08:06:47] [INFO ] Implicit Places using invariants in 102 ms returned []
[2022-05-15 08:06:47] [INFO ] Flow matrix only has 266 transitions (discarded 76 similar events)
// Phase 1: matrix 266 rows 131 cols
[2022-05-15 08:06:47] [INFO ] Computed 1 place invariants in 4 ms
[2022-05-15 08:06:47] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:06:47] [INFO ] Implicit Places using invariants and state equation in 327 ms returned []
Implicit Place search using SMT with State Equation took 436 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 131/2584 places, 342/3094 transitions.
Finished structural reductions, in 2 iterations. Remains : 131/2584 places, 342/3094 transitions.
Discarding 217 transitions out of 342. Remains 125
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1081 resets, run finished after 836 ms. (steps per millisecond=11 ) properties (out of 124) seen :95
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 29) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 28) 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 28) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1000 steps, including 25 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 27) 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 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 27) 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 27) 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 27) 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 27) 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 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 27) seen :0
Running SMT prover for 27 properties.
[2022-05-15 08:06:49] [INFO ] Flow matrix only has 266 transitions (discarded 76 similar events)
// Phase 1: matrix 266 rows 131 cols
[2022-05-15 08:06:49] [INFO ] Computed 1 place invariants in 10 ms
[2022-05-15 08:06:49] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2022-05-15 08:06:50] [INFO ] After 653ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4 real:23
[2022-05-15 08:06:50] [INFO ] State equation strengthened by 8 read => feed constraints.
[2022-05-15 08:06:50] [INFO ] After 70ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :0 real:27
[2022-05-15 08:06:50] [INFO ] After 1139ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:27
[2022-05-15 08:06:50] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2022-05-15 08:06:51] [INFO ] After 502ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :27
[2022-05-15 08:06:51] [INFO ] After 371ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :27
[2022-05-15 08:06:52] [INFO ] After 1054ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :27
Attempting to minimize the solution found.
Minimization took 455 ms.
[2022-05-15 08:06:52] [INFO ] After 2313ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :27
Parikh walk visited 0 properties in 29 ms.
Support contains 32 out of 131 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 131/131 places, 342/342 transitions.
Drop transitions removed 66 transitions
Reduce isomorphic transitions removed 66 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 72 rules applied. Total rules applied 72 place count 131 transition count 270
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 78 place count 125 transition count 270
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 95 place count 108 transition count 244
Iterating global reduction 2 with 17 rules applied. Total rules applied 112 place count 108 transition count 244
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 127 place count 108 transition count 229
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 129 place count 106 transition count 223
Iterating global reduction 3 with 2 rules applied. Total rules applied 131 place count 106 transition count 223
Performed 19 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 169 place count 87 transition count 199
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 180 place count 87 transition count 188
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -4
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 188 place count 83 transition count 192
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 189 place count 83 transition count 191
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 190 place count 82 transition count 189
Iterating global reduction 5 with 1 rules applied. Total rules applied 191 place count 82 transition count 189
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 192 place count 82 transition count 188
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 6 with 27 rules applied. Total rules applied 219 place count 82 transition count 161
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 219 place count 82 transition count 160
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 221 place count 81 transition count 160
Partial Free-agglomeration rule applied 9 times.
Drop transitions removed 9 transitions
Iterating global reduction 6 with 9 rules applied. Total rules applied 230 place count 81 transition count 160
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 233 place count 81 transition count 157
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 234 place count 81 transition count 157
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 235 place count 81 transition count 156
Applied a total of 235 rules in 110 ms. Remains 81 /131 variables (removed 50) and now considering 156/342 (removed 186) transitions.
Finished structural reductions, in 1 iterations. Remains : 81/131 places, 156/342 transitions.
Incomplete random walk after 1000000 steps, including 159065 resets, run finished after 3543 ms. (steps per millisecond=282 ) properties (out of 27) seen :26
Incomplete Best-First random walk after 1000001 steps, including 32917 resets, run finished after 607 ms. (steps per millisecond=1647 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-15 08:06:56] [INFO ] Flow matrix only has 146 transitions (discarded 10 similar events)
// Phase 1: matrix 146 rows 81 cols
[2022-05-15 08:06:56] [INFO ] Computed 4 place invariants in 2 ms
[2022-05-15 08:06:56] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 2 ms returned sat
[2022-05-15 08:06:56] [INFO ] After 97ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-15 08:06:57] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2022-05-15 08:06:57] [INFO ] After 54ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-15 08:06:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2022-05-15 08:06:57] [INFO ] After 9ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-05-15 08:06:57] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 8 ms.
[2022-05-15 08:06:57] [INFO ] After 122ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 81 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 81/81 places, 156/156 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 81 transition count 155
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 80 transition count 155
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 5 place count 77 transition count 152
Iterating global reduction 0 with 3 rules applied. Total rules applied 8 place count 77 transition count 152
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 69 transition count 144
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 33 place count 69 transition count 135
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 42 place count 60 transition count 126
Iterating global reduction 1 with 9 rules applied. Total rules applied 51 place count 60 transition count 126
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 54 place count 60 transition count 123
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 66 place count 54 transition count 117
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 72 place count 54 transition count 111
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 78 place count 48 transition count 105
Iterating global reduction 3 with 6 rules applied. Total rules applied 84 place count 48 transition count 105
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 90 place count 48 transition count 99
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 0
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 100 place count 43 transition count 99
Drop transitions removed 5 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 107 place count 43 transition count 92
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 112 place count 38 transition count 87
Iterating global reduction 5 with 5 rules applied. Total rules applied 117 place count 38 transition count 87
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 122 place count 38 transition count 82
Drop transitions removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 6 with 9 rules applied. Total rules applied 131 place count 38 transition count 73
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 6 with 6 rules applied. Total rules applied 137 place count 35 transition count 70
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 140 place count 35 transition count 67
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 7 with 3 rules applied. Total rules applied 143 place count 35 transition count 64
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 146 place count 32 transition count 61
Iterating global reduction 7 with 3 rules applied. Total rules applied 149 place count 32 transition count 61
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 152 place count 32 transition count 58
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 155 place count 32 transition count 55
Free-agglomeration rule applied 3 times.
Iterating global reduction 8 with 3 rules applied. Total rules applied 158 place count 32 transition count 52
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 161 place count 29 transition count 52
Applied a total of 161 rules in 60 ms. Remains 29 /81 variables (removed 52) and now considering 52/156 (removed 104) transitions.
Finished structural reductions, in 1 iterations. Remains : 29/81 places, 52/156 transitions.
Finished random walk after 123 steps, including 18 resets, run visited all 1 properties in 1 ms. (steps per millisecond=123 )
Able to resolve query QuasiLiveness after proving 125 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11759 ms.

BK_STOP 1652602017247

--------------------
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-301"
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-301, 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-165252139000132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 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 ;