Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2021-input.r056-oct2-162038334800260.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2021-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 gold2020
Input is CloudReconfiguration-PT-306, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-oct2-162038334800260
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 996K
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 117K May 10 09:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 10 09:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 28 15:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 28 15:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 15:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 15:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Mar 23 03:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 23 03:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 22 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 11K Mar 22 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 660K May 5 16:51 model.pnml

--------------------
content from stdout:

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-00
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-01
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-02
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-03
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-04
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-05
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-06
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-07
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-08
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-09
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-10
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-11
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-12
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-13
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-14
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620904164147

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 11:09:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-13 11:09:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 11:09:26] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2021-05-13 11:09:26] [INFO ] Transformed 2584 places.
[2021-05-13 11:09:26] [INFO ] Transformed 3094 transitions.
[2021-05-13 11:09:26] [INFO ] Found NUPN structural information;
[2021-05-13 11:09:26] [INFO ] Parsed PT model containing 2584 places and 3094 transitions in 275 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 160 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 112 resets, run finished after 196 ms. (steps per millisecond=51 ) properties seen :[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0]
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 17 resets, run finished after 27 ms. (steps per millisecond=370 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 39 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 33 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 42 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 60 ms. (steps per millisecond=166 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 30 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 40 resets, run finished after 32 ms. (steps per millisecond=312 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 39 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 41 resets, run finished after 31 ms. (steps per millisecond=322 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 3094 rows 2584 cols
[2021-05-13 11:09:27] [INFO ] Computed 4 place invariants in 106 ms
[2021-05-13 11:09:28] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 115 ms returned sat
[2021-05-13 11:09:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:32] [INFO ] [Real]Absence check using state equation in 4399 ms returned (error "Failed to check-sat")
[2021-05-13 11:09:32] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:09:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:37] [INFO ] [Real]Absence check using state equation in 4696 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:09:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 11:09:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:42] [INFO ] [Real]Absence check using state equation in 4633 ms returned (error "Failed to check-sat")
[2021-05-13 11:09:42] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2021-05-13 11:09:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:47] [INFO ] [Real]Absence check using state equation in 4693 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:09:48] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 65 ms returned sat
[2021-05-13 11:09:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:52] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:09:52] [INFO ] [Real]Absence check using state equation in 4458 ms returned (error "Failed to check-sat")
[2021-05-13 11:09:53] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 69 ms returned sat
[2021-05-13 11:09:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:09:57] [INFO ] [Real]Absence check using state equation in 4442 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:09:58] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 59 ms returned sat
[2021-05-13 11:09:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:02] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:10:02] [INFO ] [Real]Absence check using state equation in 4695 ms returned (error "Failed to check-sat")
[2021-05-13 11:10:03] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2021-05-13 11:10:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:07] [INFO ] [Real]Absence check using state equation in 4659 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:10:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:10:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:12] [INFO ] [Real]Absence check using state equation in 4676 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:10:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 11:10:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:17] [INFO ] [Real]Absence check using state equation in 4710 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:10:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 62 ms returned sat
[2021-05-13 11:10:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:22] [INFO ] [Real]Absence check using state equation in 4412 ms returned (error "Failed to check-sat")
[2021-05-13 11:10:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:10:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:27] [INFO ] [Real]Absence check using state equation in 4748 ms returned sat
[2021-05-13 11:10:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 11
[2021-05-13 11:10:28] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 11:10:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:32] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:10:32] [INFO ] [Real]Absence check using state equation in 4706 ms returned (error "Failed to check-sat")
Support contains 40 out of 2584 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2861 edges and 2584 vertex of which 759 / 2584 are part of one of the 59 SCC in 56 ms
Free SCC test removed 700 places
Drop transitions removed 858 transitions
Reduce isomorphic transitions removed 858 transitions.
Performed 1237 Post agglomeration using F-continuation condition.Transition count delta: 1237
Iterating post reduction 0 with 2095 rules applied. Total rules applied 2096 place count 1884 transition count 999
Reduce places removed 1237 places and 0 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Iterating post reduction 1 with 1371 rules applied. Total rules applied 3467 place count 647 transition count 865
Reduce places removed 59 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 65 rules applied. Total rules applied 3532 place count 588 transition count 859
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 3 with 5 rules applied. Total rules applied 3537 place count 586 transition count 856
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 3540 place count 584 transition count 855
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 22 Pre rules applied. Total rules applied 3540 place count 584 transition count 833
Deduced a syphon composed of 22 places in 3 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 5 with 44 rules applied. Total rules applied 3584 place count 562 transition count 833
Symmetric choice reduction at 5 with 86 rule applications. Total rules 3670 place count 562 transition count 833
Deduced a syphon composed of 86 places in 1 ms
Reduce places removed 86 places and 86 transitions.
Iterating global reduction 5 with 172 rules applied. Total rules applied 3842 place count 476 transition count 747
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 6 rules applied. Total rules applied 3848 place count 476 transition count 741
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 3850 place count 474 transition count 741
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 7 Pre rules applied. Total rules applied 3850 place count 474 transition count 734
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 3864 place count 467 transition count 734
Symmetric choice reduction at 7 with 57 rule applications. Total rules 3921 place count 467 transition count 734
Deduced a syphon composed of 57 places in 2 ms
Reduce places removed 57 places and 57 transitions.
Iterating global reduction 7 with 114 rules applied. Total rules applied 4035 place count 410 transition count 677
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 7 with 32 rules applied. Total rules applied 4067 place count 410 transition count 645
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 8 with 26 rules applied. Total rules applied 4093 place count 394 transition count 635
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 4098 place count 389 transition count 635
Symmetric choice reduction at 10 with 16 rule applications. Total rules 4114 place count 389 transition count 635
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 25 transitions.
Iterating global reduction 10 with 32 rules applied. Total rules applied 4146 place count 373 transition count 610
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 10 with 6 rules applied. Total rules applied 4152 place count 373 transition count 604
Symmetric choice reduction at 11 with 6 rule applications. Total rules 4158 place count 373 transition count 604
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 12 transitions.
Iterating global reduction 11 with 12 rules applied. Total rules applied 4170 place count 367 transition count 592
Symmetric choice reduction at 11 with 3 rule applications. Total rules 4173 place count 367 transition count 592
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 6 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 4179 place count 364 transition count 586
Performed 168 Post agglomeration using F-continuation condition with reduction of 77 identical transitions.
Deduced a syphon composed of 168 places in 0 ms
Reduce places removed 168 places and 0 transitions.
Iterating global reduction 11 with 336 rules applied. Total rules applied 4515 place count 196 transition count 341
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 11 with 5 rules applied. Total rules applied 4520 place count 196 transition count 336
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 12 with 6 rules applied. Total rules applied 4526 place count 193 transition count 333
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 4532 place count 193 transition count 327
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 4536 place count 191 transition count 325
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 4540 place count 191 transition count 321
Performed 40 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 14 with 80 rules applied. Total rules applied 4620 place count 151 transition count 357
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 14 with 27 rules applied. Total rules applied 4647 place count 151 transition count 330
Symmetric choice reduction at 15 with 9 rule applications. Total rules 4656 place count 151 transition count 330
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 26 transitions.
Iterating global reduction 15 with 18 rules applied. Total rules applied 4674 place count 142 transition count 304
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 4676 place count 142 transition count 302
Symmetric choice reduction at 16 with 2 rule applications. Total rules 4678 place count 142 transition count 302
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 10 transitions.
Iterating global reduction 16 with 4 rules applied. Total rules applied 4682 place count 140 transition count 292
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 4686 place count 140 transition count 288
Symmetric choice reduction at 17 with 2 rule applications. Total rules 4688 place count 140 transition count 288
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 17 with 4 rules applied. Total rules applied 4692 place count 138 transition count 286
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 4696 place count 138 transition count 282
Free-agglomeration rule applied 3 times.
Iterating global reduction 18 with 3 rules applied. Total rules applied 4699 place count 138 transition count 279
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 18 with 3 rules applied. Total rules applied 4702 place count 135 transition count 279
Partial Free-agglomeration rule applied 8 times.
Drop transitions removed 8 transitions
Iterating global reduction 19 with 8 rules applied. Total rules applied 4710 place count 135 transition count 279
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 4713 place count 135 transition count 279
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 19 with 3 rules applied. Total rules applied 4716 place count 135 transition count 276
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 4718 place count 135 transition count 274
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 4719 place count 134 transition count 273
Applied a total of 4719 rules in 756 ms. Remains 134 /2584 variables (removed 2450) and now considering 273/3094 (removed 2821) transitions.
Finished structural reductions, in 1 iterations. Remains : 134/2584 places, 273/3094 transitions.
Incomplete random walk after 1000000 steps, including 115905 resets, run finished after 1409 ms. (steps per millisecond=709 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1]
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000000 steps, including 25594 resets, run finished after 533 ms. (steps per millisecond=1876 ) properties seen :[0]
[2021-05-13 11:10:35] [INFO ] Flow matrix only has 253 transitions (discarded 20 similar events)
// Phase 1: matrix 253 rows 134 cols
[2021-05-13 11:10:35] [INFO ] Computed 4 place invariants in 2 ms
[2021-05-13 11:10:35] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 4 ms returned sat
[2021-05-13 11:10:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:35] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2021-05-13 11:10:35] [INFO ] State equation strengthened by 7 read => feed constraints.
[2021-05-13 11:10:35] [INFO ] [Real]Added 7 Read/Feed constraints in 4 ms returned sat
[2021-05-13 11:10:35] [INFO ] Computed and/alt/rep : 270/1946/250 causal constraints in 14 ms.
[2021-05-13 11:10:35] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 11:10:38] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:10:39] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 3212 ms returned sat
[2021-05-13 11:10:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 11:10:39] [INFO ] [Nat]Absence check using state equation in 664 ms returned sat
[2021-05-13 11:10:39] [INFO ] [Nat]Added 7 Read/Feed constraints in 5 ms returned sat
[2021-05-13 11:10:39] [INFO ] Computed and/alt/rep : 270/1946/250 causal constraints in 12 ms.
[2021-05-13 11:10:41] [INFO ] Added : 225 causal constraints over 51 iterations in 1828 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 30 ms.
Incomplete Parikh walk after 37700 steps, including 1000 resets, run finished after 47 ms. (steps per millisecond=802 ) properties seen :[0] could not realise parikh vector
Support contains 6 out of 134 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 134/134 places, 273/273 transitions.
Graph (trivial) has 104 edges and 134 vertex of which 22 / 134 are part of one of the 8 SCC in 0 ms
Free SCC test removed 14 places
Discarding 9 places :
Also discarding 5 output transitions
Drop transitions removed 5 transitions
Graph (complete) has 368 edges and 120 vertex of which 111 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Drop transitions removed 31 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 33 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Iterating post reduction 0 with 42 rules applied. Total rules applied 44 place count 111 transition count 226
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 55 place count 102 transition count 224
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 55 place count 102 transition count 219
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 65 place count 97 transition count 219
Symmetric choice reduction at 2 with 2 rule applications. Total rules 67 place count 97 transition count 219
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 3 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 71 place count 95 transition count 216
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 91 place count 85 transition count 206
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 97 place count 85 transition count 200
Symmetric choice reduction at 3 with 1 rule applications. Total rules 98 place count 85 transition count 200
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 100 place count 84 transition count 198
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 116 place count 76 transition count 209
Drop transitions removed 9 transitions
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 3 with 31 rules applied. Total rules applied 147 place count 76 transition count 178
Symmetric choice reduction at 4 with 11 rule applications. Total rules 158 place count 76 transition count 178
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 21 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 180 place count 65 transition count 157
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 187 place count 65 transition count 150
Symmetric choice reduction at 5 with 3 rule applications. Total rules 190 place count 65 transition count 150
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 196 place count 62 transition count 147
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 202 place count 62 transition count 141
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 6 with 2 rules applied. Total rules applied 204 place count 61 transition count 140
Drop transitions removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 6 with 17 rules applied. Total rules applied 221 place count 61 transition count 123
Symmetric choice reduction at 7 with 15 rule applications. Total rules 236 place count 61 transition count 123
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 15 transitions.
Iterating global reduction 7 with 30 rules applied. Total rules applied 266 place count 46 transition count 108
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 7 with 15 rules applied. Total rules applied 281 place count 46 transition count 93
Free-agglomeration rule applied 3 times.
Iterating global reduction 8 with 3 rules applied. Total rules applied 284 place count 46 transition count 90
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 47 edges and 42 vertex of which 23 / 42 are part of one of the 9 SCC in 0 ms
Free SCC test removed 14 places
Iterating post reduction 8 with 13 rules applied. Total rules applied 297 place count 28 transition count 82
Drop transitions removed 32 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 38 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 9 with 39 rules applied. Total rules applied 336 place count 28 transition count 43
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 338 place count 27 transition count 42
Symmetric choice reduction at 11 with 2 rule applications. Total rules 340 place count 27 transition count 42
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 11 with 4 rules applied. Total rules applied 344 place count 25 transition count 40
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 11 with 8 rules applied. Total rules applied 352 place count 21 transition count 36
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 359 place count 21 transition count 29
Free-agglomeration rule applied 2 times.
Iterating global reduction 12 with 2 rules applied. Total rules applied 361 place count 21 transition count 27
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 363 place count 19 transition count 27
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 13 with 3 rules applied. Total rules applied 366 place count 19 transition count 27
Applied a total of 366 rules in 38 ms. Remains 19 /134 variables (removed 115) and now considering 27/273 (removed 246) transitions.
Finished structural reductions, in 1 iterations. Remains : 19/134 places, 27/273 transitions.
Finished random walk after 91 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=91 )
FORMULA CloudReconfiguration-PT-306-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

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

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-306"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is CloudReconfiguration-PT-306, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-oct2-162038334800260"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-306.tgz
mv CloudReconfiguration-PT-306 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;