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-oct2-162038334800264.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-307, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-oct2-162038334800264
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.0M
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 111K May 10 09:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 88K 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 15:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 28 15:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 28 15:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 23 03:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 23 03:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 22 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K 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-307-ReachabilityFireability-00
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-01
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-02
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-03
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-04
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-05
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-06
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-07
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-08
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-09
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-10
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-11
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-12
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-13
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-14
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620904320634

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 11:12:03] [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 11:12:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 11:12:03] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2021-05-13 11:12:03] [INFO ] Transformed 2584 places.
[2021-05-13 11:12:03] [INFO ] Transformed 3094 transitions.
[2021-05-13 11:12:03] [INFO ] Found NUPN structural information;
[2021-05-13 11:12:03] [INFO ] Parsed PT model containing 2584 places and 3094 transitions in 154 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 70 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 85 resets, run finished after 67 ms. (steps per millisecond=149 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 28 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 29 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 27 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 28 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, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 26 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, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 27 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0]
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 25 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]
// Phase 1: matrix 3094 rows 2584 cols
[2021-05-13 11:12:03] [INFO ] Computed 4 place invariants in 160 ms
[2021-05-13 11:12:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 82 ms returned sat
[2021-05-13 11:12:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:08] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:12:08] [INFO ] [Real]Absence check using state equation in 4401 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:09] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 55 ms returned sat
[2021-05-13 11:12:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:12] [INFO ] [Real]Absence check using state equation in 3452 ms returned unsat
[2021-05-13 11:12:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2021-05-13 11:12:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:17] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (= s1169 (- t1536 t1537))") while checking expression at index 2
[2021-05-13 11:12:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2021-05-13 11:12:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:22] [INFO ] [Real]Absence check using state equation in 4576 ms returned (error "Solver has unexpectedly terminated")
[2021-05-13 11:12:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2021-05-13 11:12:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:25] [INFO ] [Real]Absence check using state equation in 2279 ms returned unsat
[2021-05-13 11:12:25] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2021-05-13 11:12:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:30] [INFO ] [Real]Absence check using state equation in 4746 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:30] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2021-05-13 11:12:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:35] [INFO ] [Real]Absence check using state equation in 4760 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:35] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2021-05-13 11:12:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:40] [INFO ] [Real]Absence check using state equation in 4647 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:40] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:12:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:45] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:12:45] [INFO ] [Real]Absence check using state equation in 4708 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:12:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (= s1086 (- t2921 t3037))") while checking expression at index 9
[2021-05-13 11:12:51] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 62 ms returned sat
[2021-05-13 11:12:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:12:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:12:55] [INFO ] [Real]Absence check using state equation in 4338 ms returned (error "Failed to check-sat")
[2021-05-13 11:12:55] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2021-05-13 11:12:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:13:00] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:13:00] [INFO ] [Real]Absence check using state equation in 4701 ms returned (error "Failed to check-sat")
[2021-05-13 11:13:00] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2021-05-13 11:13:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:13:05] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 11:13:05] [INFO ] [Real]Absence check using state equation in 4714 ms returned unknown
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 47 out of 2584 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2843 edges and 2584 vertex of which 744 / 2584 are part of one of the 61 SCC in 26 ms
Free SCC test removed 683 places
Discarding 14 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Graph (complete) has 2535 edges and 1901 vertex of which 1887 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.19 ms
Drop transitions removed 842 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 844 transitions.
Performed 1238 Post agglomeration using F-continuation condition.Transition count delta: 1238
Iterating post reduction 0 with 2082 rules applied. Total rules applied 2084 place count 1887 transition count 1002
Reduce places removed 1238 places and 0 transitions.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Iterating post reduction 1 with 1375 rules applied. Total rules applied 3459 place count 649 transition count 865
Reduce places removed 61 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 68 rules applied. Total rules applied 3527 place count 588 transition count 858
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 3532 place count 586 transition count 855
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 4 rules applied. Total rules applied 3536 place count 584 transition count 853
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 3537 place count 583 transition count 853
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 25 Pre rules applied. Total rules applied 3537 place count 583 transition count 828
Deduced a syphon composed of 25 places in 2 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 6 with 50 rules applied. Total rules applied 3587 place count 558 transition count 828
Symmetric choice reduction at 6 with 78 rule applications. Total rules 3665 place count 558 transition count 828
Deduced a syphon composed of 78 places in 1 ms
Reduce places removed 78 places and 78 transitions.
Iterating global reduction 6 with 156 rules applied. Total rules applied 3821 place count 480 transition count 750
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 3 rules applied. Total rules applied 3824 place count 480 transition count 747
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 3825 place count 479 transition count 747
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 7 Pre rules applied. Total rules applied 3825 place count 479 transition count 740
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 8 with 14 rules applied. Total rules applied 3839 place count 472 transition count 740
Symmetric choice reduction at 8 with 55 rule applications. Total rules 3894 place count 472 transition count 740
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 55 transitions.
Iterating global reduction 8 with 110 rules applied. Total rules applied 4004 place count 417 transition count 685
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 8 with 24 rules applied. Total rules applied 4028 place count 417 transition count 661
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 9 with 20 rules applied. Total rules applied 4048 place count 405 transition count 653
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 10 with 4 rules applied. Total rules applied 4052 place count 401 transition count 653
Symmetric choice reduction at 11 with 10 rule applications. Total rules 4062 place count 401 transition count 653
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 14 transitions.
Iterating global reduction 11 with 20 rules applied. Total rules applied 4082 place count 391 transition count 639
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 4086 place count 391 transition count 635
Symmetric choice reduction at 12 with 4 rule applications. Total rules 4090 place count 391 transition count 635
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 8 transitions.
Iterating global reduction 12 with 8 rules applied. Total rules applied 4098 place count 387 transition count 627
Symmetric choice reduction at 12 with 2 rule applications. Total rules 4100 place count 387 transition count 627
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 4 transitions.
Iterating global reduction 12 with 4 rules applied. Total rules applied 4104 place count 385 transition count 623
Performed 176 Post agglomeration using F-continuation condition with reduction of 74 identical transitions.
Deduced a syphon composed of 176 places in 0 ms
Reduce places removed 176 places and 0 transitions.
Iterating global reduction 12 with 352 rules applied. Total rules applied 4456 place count 209 transition count 373
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 4466 place count 209 transition count 363
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 13 with 8 rules applied. Total rules applied 4474 place count 205 transition count 359
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 4480 place count 205 transition count 353
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 14 with 4 rules applied. Total rules applied 4484 place count 203 transition count 351
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 4488 place count 203 transition count 347
Performed 35 Post agglomeration using F-continuation condition with reduction of 14 identical transitions.
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 15 with 70 rules applied. Total rules applied 4558 place count 168 transition count 394
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 15 with 26 rules applied. Total rules applied 4584 place count 168 transition count 368
Symmetric choice reduction at 16 with 8 rule applications. Total rules 4592 place count 168 transition count 368
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 20 transitions.
Iterating global reduction 16 with 16 rules applied. Total rules applied 4608 place count 160 transition count 348
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 4609 place count 160 transition count 347
Free-agglomeration rule applied 6 times.
Iterating global reduction 17 with 6 rules applied. Total rules applied 4615 place count 160 transition count 341
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 17 with 6 rules applied. Total rules applied 4621 place count 154 transition count 341
Partial Free-agglomeration rule applied 9 times.
Drop transitions removed 9 transitions
Iterating global reduction 18 with 9 rules applied. Total rules applied 4630 place count 154 transition count 341
Partial Post-agglomeration rule applied 9 times.
Drop transitions removed 9 transitions
Iterating global reduction 18 with 9 rules applied. Total rules applied 4639 place count 154 transition count 341
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 18 with 7 rules applied. Total rules applied 4646 place count 154 transition count 334
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 19 with 4 rules applied. Total rules applied 4650 place count 154 transition count 330
Applied a total of 4650 rules in 607 ms. Remains 154 /2584 variables (removed 2430) and now considering 330/3094 (removed 2764) transitions.
Finished structural reductions, in 1 iterations. Remains : 154/2584 places, 330/3094 transitions.
Incomplete random walk after 1000000 steps, including 62075 resets, run finished after 1197 ms. (steps per millisecond=835 ) properties seen :[1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1]
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 21 resets, run finished after 437 ms. (steps per millisecond=2288 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 15219 resets, run finished after 393 ms. (steps per millisecond=2544 ) properties seen :[0, 0]
[2021-05-13 11:13:08] [INFO ] Flow matrix only has 306 transitions (discarded 24 similar events)
// Phase 1: matrix 306 rows 154 cols
[2021-05-13 11:13:08] [INFO ] Computed 3 place invariants in 2 ms
[2021-05-13 11:13:08] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2021-05-13 11:13:08] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:13:08] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2021-05-13 11:13:08] [INFO ] State equation strengthened by 7 read => feed constraints.
[2021-05-13 11:13:08] [INFO ] [Real]Added 7 Read/Feed constraints in 24 ms returned sat
[2021-05-13 11:13:08] [INFO ] Computed and/alt/rep : 329/2455/305 causal constraints in 18 ms.
[2021-05-13 11:13:08] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 11:13:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 85 ms returned sat
[2021-05-13 11:13:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 11:13:08] [INFO ] [Nat]Absence check using state equation in 185 ms returned sat
[2021-05-13 11:13:08] [INFO ] [Nat]Added 7 Read/Feed constraints in 6 ms returned sat
[2021-05-13 11:13:09] [INFO ] Deduced a trap composed of 44 places in 129 ms
[2021-05-13 11:13:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2021-05-13 11:13:09] [INFO ] Computed and/alt/rep : 329/2455/305 causal constraints in 15 ms.
[2021-05-13 11:13:11] [INFO ] Added : 267 causal constraints over 54 iterations in 2704 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 30 ms.
[2021-05-13 11:13:11] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2021-05-13 11:13:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 11:13:12] [INFO ] [Real]Absence check using state equation in 123 ms returned unsat
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 25200 steps, including 1410 resets, run finished after 51 ms. (steps per millisecond=494 ) properties seen :[0] could not realise parikh vector
Support contains 9 out of 154 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 154/154 places, 330/330 transitions.
Graph (trivial) has 114 edges and 154 vertex of which 22 / 154 are part of one of the 11 SCC in 1 ms
Free SCC test removed 11 places
Drop transitions removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 143 transition count 288
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 67 place count 123 transition count 284
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 67 place count 123 transition count 274
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 87 place count 113 transition count 274
Symmetric choice reduction at 2 with 3 rule applications. Total rules 90 place count 113 transition count 274
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 96 place count 110 transition count 271
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 99 place count 110 transition count 268
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 133 place count 93 transition count 251
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 3 with 16 rules applied. Total rules applied 149 place count 93 transition count 235
Symmetric choice reduction at 4 with 4 rule applications. Total rules 153 place count 93 transition count 235
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 10 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 161 place count 89 transition count 225
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 164 place count 89 transition count 222
Symmetric choice reduction at 5 with 1 rule applications. Total rules 165 place count 89 transition count 222
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 5 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 167 place count 88 transition count 217
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 169 place count 88 transition count 215
Symmetric choice reduction at 6 with 1 rule applications. Total rules 170 place count 88 transition count 215
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 172 place count 87 transition count 214
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 174 place count 87 transition count 212
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 7 with 8 rules applied. Total rules applied 182 place count 83 transition count 215
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 196 place count 83 transition count 201
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 199 place count 83 transition count 201
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 201 place count 83 transition count 199
Symmetric choice reduction at 9 with 1 rule applications. Total rules 202 place count 83 transition count 199
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 204 place count 82 transition count 198
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 205 place count 82 transition count 198
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 206 place count 82 transition count 197
Symmetric choice reduction at 10 with 1 rule applications. Total rules 207 place count 82 transition count 197
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 2 rules applied. Total rules applied 209 place count 81 transition count 196
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 210 place count 81 transition count 195
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 212 place count 81 transition count 193
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 11 with 2 rules applied. Total rules applied 214 place count 80 transition count 192
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 11 with 1 rules applied. Total rules applied 215 place count 79 transition count 191
Applied a total of 215 rules in 60 ms. Remains 79 /154 variables (removed 75) and now considering 191/330 (removed 139) transitions.
Finished structural reductions, in 1 iterations. Remains : 79/154 places, 191/330 transitions.
Finished random walk after 541746 steps, including 47117 resets, run visited all 1 properties in 503 ms. (steps per millisecond=1077 )
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-06 FALSE 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-307"
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-307, 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-oct2-162038334800264"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-307.tgz
mv CloudReconfiguration-PT-307 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 ;