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-165252139200237.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-402, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-smll-165252139200237
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.8K Apr 29 14:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 29 14:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Apr 29 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K 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 4.1K May 9 07:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 9 07:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 07:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:21 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 912K 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 1652606263107

Running Version 202205111006
[2022-05-15 09:17:44] [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 09:17:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 09:17:45] [INFO ] Load time of PNML (sax parser for PT used): 513 ms
[2022-05-15 09:17:45] [INFO ] Transformed 3554 places.
[2022-05-15 09:17:45] [INFO ] Transformed 4263 transitions.
[2022-05-15 09:17:45] [INFO ] Found NUPN structural information;
[2022-05-15 09:17:45] [INFO ] Parsed PT model containing 3554 places and 4263 transitions in 713 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 4080 edges and 3554 vertex of which 1260 / 3554 are part of one of the 88 SCC in 39 ms
Free SCC test removed 1172 places
Ensure Unique test removed 1348 transitions
Reduce isomorphic transitions removed 1348 transitions.
Drop transitions removed 1605 transitions
Trivial Post-agglo rules discarded 1605 transitions
Performed 1605 trivial Post agglomeration. Transition count delta: 1605
Iterating post reduction 0 with 1605 rules applied. Total rules applied 1606 place count 2382 transition count 1310
Reduce places removed 1605 places and 0 transitions.
Ensure Unique test removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions removed 44 transitions
Trivial Post-agglo rules discarded 44 transitions
Performed 44 trivial Post agglomeration. Transition count delta: 44
Iterating post reduction 1 with 1740 rules applied. Total rules applied 3346 place count 777 transition count 1175
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 3394 place count 733 transition count 1171
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 3394 place count 733 transition count 1141
Deduced a syphon composed of 30 places in 11 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 3454 place count 703 transition count 1141
Discarding 124 places :
Symmetric choice reduction at 3 with 124 rule applications. Total rules 3578 place count 579 transition count 997
Iterating global reduction 3 with 124 rules applied. Total rules applied 3702 place count 579 transition count 997
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 4 rules applied. Total rules applied 3706 place count 579 transition count 993
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 3710 place count 575 transition count 993
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 8 Pre rules applied. Total rules applied 3710 place count 575 transition count 985
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 3726 place count 567 transition count 985
Discarding 80 places :
Symmetric choice reduction at 5 with 80 rule applications. Total rules 3806 place count 487 transition count 905
Iterating global reduction 5 with 80 rules applied. Total rules applied 3886 place count 487 transition count 905
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 5 with 48 rules applied. Total rules applied 3934 place count 487 transition count 857
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 6 with 40 rules applied. Total rules applied 3974 place count 463 transition count 841
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 3982 place count 455 transition count 841
Discarding 28 places :
Symmetric choice reduction at 8 with 28 rule applications. Total rules 4010 place count 427 transition count 797
Iterating global reduction 8 with 28 rules applied. Total rules applied 4038 place count 427 transition count 797
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 8 with 12 rules applied. Total rules applied 4050 place count 427 transition count 785
Discarding 12 places :
Symmetric choice reduction at 9 with 12 rule applications. Total rules 4062 place count 415 transition count 761
Iterating global reduction 9 with 12 rules applied. Total rules applied 4074 place count 415 transition count 761
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 4078 place count 411 transition count 753
Iterating global reduction 9 with 4 rules applied. Total rules applied 4082 place count 411 transition count 753
Performed 193 Post agglomeration using F-continuation condition with reduction of 84 identical transitions.
Deduced a syphon composed of 193 places in 1 ms
Reduce places removed 193 places and 0 transitions.
Iterating global reduction 9 with 386 rules applied. Total rules applied 4468 place count 218 transition count 476
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 9 with 8 rules applied. Total rules applied 4476 place count 214 transition count 472
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 9 with 8 rules applied. Total rules applied 4484 place count 214 transition count 464
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 10 with 8 rules applied. Total rules applied 4492 place count 210 transition count 460
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 4500 place count 210 transition count 452
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -44
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 11 with 40 rules applied. Total rules applied 4540 place count 190 transition count 496
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 11 with 20 rules applied. Total rules applied 4560 place count 190 transition count 476
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 4564 place count 186 transition count 468
Iterating global reduction 12 with 4 rules applied. Total rules applied 4568 place count 186 transition count 468
Applied a total of 4568 rules in 433 ms. Remains 186 /3554 variables (removed 3368) and now considering 468/4263 (removed 3795) transitions.
[2022-05-15 09:17:46] [INFO ] Flow matrix only has 362 transitions (discarded 106 similar events)
// Phase 1: matrix 362 rows 186 cols
[2022-05-15 09:17:46] [INFO ] Computed 5 place invariants in 36 ms
[2022-05-15 09:17:46] [INFO ] Implicit Places using invariants in 434 ms returned []
[2022-05-15 09:17:46] [INFO ] Flow matrix only has 362 transitions (discarded 106 similar events)
// Phase 1: matrix 362 rows 186 cols
[2022-05-15 09:17:46] [INFO ] Computed 5 place invariants in 5 ms
[2022-05-15 09:17:46] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-15 09:17:47] [INFO ] Implicit Places using invariants and state equation in 454 ms returned [70, 142, 178]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 935 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 183/3554 places, 468/4263 transitions.
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 0 with 6 rules applied. Total rules applied 6 place count 180 transition count 465
Applied a total of 6 rules in 12 ms. Remains 180 /183 variables (removed 3) and now considering 465/468 (removed 3) transitions.
[2022-05-15 09:17:47] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2022-05-15 09:17:47] [INFO ] Computed 2 place invariants in 3 ms
[2022-05-15 09:17:47] [INFO ] Implicit Places using invariants in 151 ms returned []
[2022-05-15 09:17:47] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2022-05-15 09:17:47] [INFO ] Computed 2 place invariants in 2 ms
[2022-05-15 09:17:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-15 09:17:47] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 483 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 180/3554 places, 465/4263 transitions.
Finished structural reductions, in 2 iterations. Remains : 180/3554 places, 465/4263 transitions.
Discarding 293 transitions out of 465. Remains 172
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 828 resets, run finished after 728 ms. (steps per millisecond=13 ) properties (out of 171) seen :125
Incomplete Best-First random walk after 1000 steps, including 13 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 46) 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 46) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 45) 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 45) 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 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1000 steps, including 16 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 45) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 45) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 44) 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 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 18 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 44) seen :3
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) 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 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) 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 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 41) seen :0
Running SMT prover for 41 properties.
[2022-05-15 09:17:48] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2022-05-15 09:17:48] [INFO ] Computed 2 place invariants in 4 ms
[2022-05-15 09:17:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2022-05-15 09:17:50] [INFO ] After 922ms SMT Verify possible using state equation in real domain returned unsat :0 sat :8 real:33
[2022-05-15 09:17:50] [INFO ] State equation strengthened by 10 read => feed constraints.
[2022-05-15 09:17:50] [INFO ] After 140ms SMT Verify possible using 10 Read/Feed constraints in real domain returned unsat :0 sat :0 real:41
[2022-05-15 09:17:50] [INFO ] After 1627ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:41
[2022-05-15 09:17:50] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2022-05-15 09:17:52] [INFO ] After 942ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :41
[2022-05-15 09:17:52] [INFO ] After 712ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :41
[2022-05-15 09:17:53] [INFO ] After 1812ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :41
Attempting to minimize the solution found.
Minimization took 759 ms.
[2022-05-15 09:17:54] [INFO ] After 3948ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :41
Fused 41 Parikh solutions to 40 different solutions.
Parikh walk visited 0 properties in 33 ms.
Support contains 47 out of 180 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 180/180 places, 465/465 transitions.
Drop transitions removed 91 transitions
Reduce isomorphic transitions removed 91 transitions.
Drop transitions removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 103 rules applied. Total rules applied 103 place count 180 transition count 362
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 115 place count 168 transition count 362
Discarding 23 places :
Symmetric choice reduction at 2 with 23 rule applications. Total rules 138 place count 145 transition count 327
Iterating global reduction 2 with 23 rules applied. Total rules applied 161 place count 145 transition count 327
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 181 place count 145 transition count 307
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 184 place count 142 transition count 298
Iterating global reduction 3 with 3 rules applied. Total rules applied 187 place count 142 transition count 298
Performed 21 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 229 place count 121 transition count 270
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 241 place count 121 transition count 258
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 253 place count 115 transition count 274
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 259 place count 115 transition count 268
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 260 place count 114 transition count 266
Iterating global reduction 5 with 1 rules applied. Total rules applied 261 place count 114 transition count 266
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 262 place count 114 transition count 265
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 6 with 30 rules applied. Total rules applied 292 place count 114 transition count 235
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 292 place count 114 transition count 234
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 294 place count 113 transition count 234
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 6 with 3 rules applied. Total rules applied 297 place count 113 transition count 234
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 298 place count 113 transition count 233
Partial Post-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 302 place count 113 transition count 233
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 303 place count 113 transition count 232
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 305 place count 113 transition count 230
Applied a total of 305 rules in 105 ms. Remains 113 /180 variables (removed 67) and now considering 230/465 (removed 235) transitions.
Finished structural reductions, in 1 iterations. Remains : 113/180 places, 230/465 transitions.
Incomplete random walk after 1000000 steps, including 125076 resets, run finished after 6014 ms. (steps per millisecond=166 ) properties (out of 41) seen :40
Incomplete Best-First random walk after 1000001 steps, including 18855 resets, run finished after 799 ms. (steps per millisecond=1251 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-15 09:18:01] [INFO ] Flow matrix only has 217 transitions (discarded 13 similar events)
// Phase 1: matrix 217 rows 113 cols
[2022-05-15 09:18:01] [INFO ] Computed 5 place invariants in 3 ms
[2022-05-15 09:18:01] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 5 ms returned sat
[2022-05-15 09:18:01] [INFO ] After 183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-15 09:18:01] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2022-05-15 09:18:01] [INFO ] After 84ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-15 09:18:01] [INFO ] State equation strengthened by 3 read => feed constraints.
[2022-05-15 09:18:01] [INFO ] After 15ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-05-15 09:18:01] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 11 ms.
[2022-05-15 09:18:01] [INFO ] After 178ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 6 out of 113 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 113/113 places, 230/230 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 113 transition count 226
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 109 transition count 226
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 108 transition count 225
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 108 transition count 225
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 34 place count 96 transition count 213
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 45 place count 96 transition count 202
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 59 place count 82 transition count 188
Iterating global reduction 1 with 14 rules applied. Total rules applied 73 place count 82 transition count 188
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 79 place count 82 transition count 182
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 99 place count 72 transition count 172
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 109 place count 72 transition count 162
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 117 place count 64 transition count 154
Iterating global reduction 3 with 8 rules applied. Total rules applied 125 place count 64 transition count 154
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 133 place count 64 transition count 146
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 147 place count 57 transition count 146
Drop transitions removed 7 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 158 place count 57 transition count 135
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 165 place count 50 transition count 128
Iterating global reduction 5 with 7 rules applied. Total rules applied 172 place count 50 transition count 128
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 179 place count 50 transition count 121
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 6 with 16 rules applied. Total rules applied 195 place count 50 transition count 105
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 198 place count 47 transition count 96
Iterating global reduction 6 with 3 rules applied. Total rules applied 201 place count 47 transition count 96
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 204 place count 47 transition count 93
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 207 place count 44 transition count 90
Iterating global reduction 7 with 3 rules applied. Total rules applied 210 place count 44 transition count 90
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 215 place count 44 transition count 85
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 217 place count 43 transition count 84
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 218 place count 43 transition count 83
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 220 place count 43 transition count 81
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 221 place count 42 transition count 80
Iterating global reduction 9 with 1 rules applied. Total rules applied 222 place count 42 transition count 80
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 223 place count 42 transition count 79
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 224 place count 42 transition count 78
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 228 place count 42 transition count 74
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 232 place count 38 transition count 74
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 233 place count 37 transition count 73
Applied a total of 233 rules in 86 ms. Remains 37 /113 variables (removed 76) and now considering 73/230 (removed 157) transitions.
Finished structural reductions, in 1 iterations. Remains : 37/113 places, 73/230 transitions.
Finished random walk after 6164 steps, including 675 resets, run visited all 1 properties in 11 ms. (steps per millisecond=560 )
Able to resolve query QuasiLiveness after proving 172 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 17073 ms.

BK_STOP 1652606282160

--------------------
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-402"
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-402, 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-165252139200237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-402.tgz
mv CloudReconfiguration-PT-402 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 ;