Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r128-tall-167814504600102.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-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 2-5348
Executing tool gold2022
Input is CloudReconfiguration-PT-401, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-tall-167814504600102
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.8K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 912K Mar 5 18:22 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 1678175022321

Running Version 202205111006
[2023-03-07 07:43:43] [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]
[2023-03-07 07:43:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 07:43:43] [INFO ] Load time of PNML (sax parser for PT used): 181 ms
[2023-03-07 07:43:43] [INFO ] Transformed 3554 places.
[2023-03-07 07:43:43] [INFO ] Transformed 4263 transitions.
[2023-03-07 07:43:43] [INFO ] Found NUPN structural information;
[2023-03-07 07:43:43] [INFO ] Parsed PT model containing 3554 places and 4263 transitions in 303 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 15 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 8 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 0 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 0 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 309 ms. Remains 186 /3554 variables (removed 3368) and now considering 468/4263 (removed 3795) transitions.
[2023-03-07 07:43:44] [INFO ] Flow matrix only has 362 transitions (discarded 106 similar events)
// Phase 1: matrix 362 rows 186 cols
[2023-03-07 07:43:44] [INFO ] Computed 5 place invariants in 24 ms
[2023-03-07 07:43:44] [INFO ] Implicit Places using invariants in 251 ms returned []
[2023-03-07 07:43:44] [INFO ] Flow matrix only has 362 transitions (discarded 106 similar events)
// Phase 1: matrix 362 rows 186 cols
[2023-03-07 07:43:44] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-07 07:43:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-07 07:43:44] [INFO ] Implicit Places using invariants and state equation in 231 ms returned [70, 142, 178]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 525 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 7 ms. Remains 180 /183 variables (removed 3) and now considering 465/468 (removed 3) transitions.
[2023-03-07 07:43:44] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2023-03-07 07:43:44] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-07 07:43:44] [INFO ] Implicit Places using invariants in 84 ms returned []
[2023-03-07 07:43:44] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2023-03-07 07:43:44] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-07 07:43:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-07 07:43:44] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 277 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 829 resets, run finished after 772 ms. (steps per millisecond=12 ) properties (out of 171) seen :132
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 39) 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 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 39) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 38) seen :2
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) 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 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) 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 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) 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 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 34) seen :0
Running SMT prover for 34 properties.
[2023-03-07 07:43:46] [INFO ] Flow matrix only has 359 transitions (discarded 106 similar events)
// Phase 1: matrix 359 rows 180 cols
[2023-03-07 07:43:46] [INFO ] Computed 2 place invariants in 6 ms
[2023-03-07 07:43:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 14 ms returned sat
[2023-03-07 07:43:47] [INFO ] After 668ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:29
[2023-03-07 07:43:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-03-07 07:43:47] [INFO ] After 78ms SMT Verify possible using 10 Read/Feed constraints in real domain returned unsat :0 sat :0 real:34
[2023-03-07 07:43:47] [INFO ] After 1084ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:34
[2023-03-07 07:43:47] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2023-03-07 07:43:48] [INFO ] After 562ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :34
[2023-03-07 07:43:48] [INFO ] After 518ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :34
[2023-03-07 07:43:49] [INFO ] After 1315ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :34
Attempting to minimize the solution found.
Minimization took 575 ms.
[2023-03-07 07:43:49] [INFO ] After 2711ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :34
Parikh walk visited 0 properties in 23 ms.
Support contains 40 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 26 Post agglomeration using F-continuation condition with reduction of 8 identical transitions.
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 239 place count 116 transition count 264
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 254 place count 116 transition count 249
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -3
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 264 place count 111 transition count 252
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 265 place count 111 transition count 251
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 266 place count 110 transition count 249
Iterating global reduction 5 with 1 rules applied. Total rules applied 267 place count 110 transition count 249
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 268 place count 110 transition count 248
Drop transitions removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 6 with 34 rules applied. Total rules applied 302 place count 110 transition count 214
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 302 place count 110 transition count 213
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 304 place count 109 transition count 213
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 310 place count 109 transition count 213
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 312 place count 109 transition count 211
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 313 place count 109 transition count 211
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 314 place count 109 transition count 210
Applied a total of 314 rules in 73 ms. Remains 109 /180 variables (removed 71) and now considering 210/465 (removed 255) transitions.
Finished structural reductions, in 1 iterations. Remains : 109/180 places, 210/465 transitions.
Incomplete random walk after 1000000 steps, including 127348 resets, run finished after 3180 ms. (steps per millisecond=314 ) properties (out of 34) seen :33
Incomplete Best-First random walk after 1000001 steps, including 29412 resets, run finished after 478 ms. (steps per millisecond=2092 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-07 07:43:53] [INFO ] Flow matrix only has 198 transitions (discarded 12 similar events)
// Phase 1: matrix 198 rows 109 cols
[2023-03-07 07:43:53] [INFO ] Computed 5 place invariants in 4 ms
[2023-03-07 07:43:53] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-07 07:43:53] [INFO ] After 90ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-07 07:43:53] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2023-03-07 07:43:53] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-07 07:43:53] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-07 07:43:53] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-07 07:43:53] [INFO ] After 19ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-07 07:43:53] [INFO ] After 102ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 109 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 109/109 places, 210/210 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 109 transition count 209
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 108 transition count 209
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 5 place count 105 transition count 206
Iterating global reduction 0 with 3 rules applied. Total rules applied 8 place count 105 transition count 206
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 0 with 22 rules applied. Total rules applied 30 place count 94 transition count 195
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 41 place count 94 transition count 184
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 55 place count 80 transition count 170
Iterating global reduction 1 with 14 rules applied. Total rules applied 69 place count 80 transition count 170
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 76 place count 80 transition count 163
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 94 place count 71 transition count 154
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 103 place count 71 transition count 145
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 110 place count 64 transition count 138
Iterating global reduction 3 with 7 rules applied. Total rules applied 117 place count 64 transition count 138
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 124 place count 64 transition count 131
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 138 place count 57 transition count 131
Drop transitions removed 7 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 148 place count 57 transition count 121
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 155 place count 50 transition count 114
Iterating global reduction 5 with 7 rules applied. Total rules applied 162 place count 50 transition count 114
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 169 place count 50 transition count 107
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 6 with 12 rules applied. Total rules applied 181 place count 50 transition count 95
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 183 place count 48 transition count 89
Iterating global reduction 6 with 2 rules applied. Total rules applied 185 place count 48 transition count 89
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 187 place count 48 transition count 87
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 189 place count 46 transition count 85
Iterating global reduction 7 with 2 rules applied. Total rules applied 191 place count 46 transition count 85
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 4 rules applied. Total rules applied 195 place count 46 transition count 81
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 199 place count 44 transition count 79
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 201 place count 44 transition count 77
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 203 place count 44 transition count 75
Discarding 2 places :
Symmetric choice reduction at 9 with 2 rule applications. Total rules 205 place count 42 transition count 73
Iterating global reduction 9 with 2 rules applied. Total rules applied 207 place count 42 transition count 73
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 209 place count 42 transition count 71
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 211 place count 42 transition count 69
Free-agglomeration rule applied 4 times.
Iterating global reduction 10 with 4 rules applied. Total rules applied 215 place count 42 transition count 65
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 219 place count 38 transition count 65
Applied a total of 219 rules in 53 ms. Remains 38 /109 variables (removed 71) and now considering 65/210 (removed 145) transitions.
Finished structural reductions, in 1 iterations. Remains : 38/109 places, 65/210 transitions.
Finished random walk after 13865 steps, including 1462 resets, run visited all 1 properties in 18 ms. (steps per millisecond=770 )
Able to resolve query QuasiLiveness after proving 172 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10456 ms.

BK_STOP 1678175034044

--------------------
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-401"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2022"
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 2-5348"
echo " Executing tool gold2022"
echo " Input is CloudReconfiguration-PT-401, 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 r128-tall-167814504600102"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-401.tgz
mv CloudReconfiguration-PT-401 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 ;