Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r480-tall-171624188700167.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool ltsminxred
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 r480-tall-171624188700167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 22 14:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 22 14:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 19:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Apr 11 19:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Apr 11 19:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Apr 11 19:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 660K May 18 16:42 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-2024-00
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717180328899

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-307
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:32:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 18:32:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:32:10] [INFO ] Load time of PNML (sax parser for PT used): 165 ms
[2024-05-31 18:32:10] [INFO ] Transformed 2584 places.
[2024-05-31 18:32:10] [INFO ] Transformed 3094 transitions.
[2024-05-31 18:32:10] [INFO ] Found NUPN structural information;
[2024-05-31 18:32:10] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 294 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 34 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (343 resets) in 2120 ms. (18 steps per ms) remains 15/16 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 73 ms. (54 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (9 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 44 ms. (88 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 40 ms. (97 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (10 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (12 resets) in 78 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (11 resets) in 40 ms. (97 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 53 ms. (74 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (11 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (9 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 32 ms. (121 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 220088 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 15
Probabilistic random walk after 220088 steps, saw 61892 distinct states, run finished after 3017 ms. (steps per millisecond=72 ) properties seen :0
// Phase 1: matrix 3094 rows 2584 cols
[2024-05-31 18:32:14] [INFO ] Computed 4 invariants in 55 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 176/176 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/176 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2397/2573 variables, 4/180 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2397/2577 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem CloudReconfiguration-PT-307-ReachabilityFireability-2024-14 is UNSAT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 0/5150 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 2/5659 variables, 1/5151 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5659 variables, 1/5152 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5659/5678 variables, and 5152 constraints, problems are : Problem set: 1 solved, 14 unsolved in 5059 ms.
Refiners :[Domain max(s): 2574/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2584 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 166/166 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 0/166 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 2407/2573 variables, 4/170 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2407/2577 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Problem CloudReconfiguration-PT-307-ReachabilityFireability-2024-09 is UNSAT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 13/5163 constraints. Problems are: Problem set: 2 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5657/5678 variables, and 5163 constraints, problems are : Problem set: 2 solved, 13 unsolved in 5024 ms.
Refiners :[Domain max(s): 2573/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2573/2584 constraints, PredecessorRefiner: 13/15 constraints, Known Traps: 0/0 constraints]
After SMT, in 10368ms problems are : Problem set: 2 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 142 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2606 edges and 2584 vertex of which 575 / 2584 are part of one of the 49 SCC in 12 ms
Free SCC test removed 526 places
Drop transitions (Empty/Sink Transition effects.) removed 638 transitions
Reduce isomorphic transitions removed 638 transitions.
Graph (complete) has 2734 edges and 2058 vertex of which 2045 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.6 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1106 transitions
Trivial Post-agglo rules discarded 1106 transitions
Performed 1106 trivial Post agglomeration. Transition count delta: 1106
Iterating post reduction 0 with 1112 rules applied. Total rules applied 1114 place count 2045 transition count 1336
Reduce places removed 1106 places and 0 transitions.
Ensure Unique test removed 46 transitions
Reduce isomorphic transitions removed 46 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 38 transitions
Trivial Post-agglo rules discarded 38 transitions
Performed 38 trivial Post agglomeration. Transition count delta: 38
Iterating post reduction 1 with 1190 rules applied. Total rules applied 2304 place count 939 transition count 1252
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 43 rules applied. Total rules applied 2347 place count 901 transition count 1247
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 2351 place count 899 transition count 1245
Reduce places removed 1 places and 0 transitions.
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Iterating post reduction 4 with 128 rules applied. Total rules applied 2479 place count 898 transition count 1118
Reduce places removed 127 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 5 with 150 rules applied. Total rules applied 2629 place count 771 transition count 1095
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 2632 place count 768 transition count 1095
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 32 Pre rules applied. Total rules applied 2632 place count 768 transition count 1063
Deduced a syphon composed of 32 places in 2 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 7 with 64 rules applied. Total rules applied 2696 place count 736 transition count 1063
Discarding 88 places :
Symmetric choice reduction at 7 with 88 rule applications. Total rules 2784 place count 648 transition count 975
Iterating global reduction 7 with 88 rules applied. Total rules applied 2872 place count 648 transition count 975
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 5 rules applied. Total rules applied 2877 place count 648 transition count 970
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 8 with 2 rules applied. Total rules applied 2879 place count 647 transition count 969
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 2880 place count 646 transition count 969
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 3 Pre rules applied. Total rules applied 2880 place count 646 transition count 966
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 2886 place count 643 transition count 966
Discarding 50 places :
Symmetric choice reduction at 10 with 50 rule applications. Total rules 2936 place count 593 transition count 916
Iterating global reduction 10 with 50 rules applied. Total rules applied 2986 place count 593 transition count 916
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 10 with 18 rules applied. Total rules applied 3004 place count 593 transition count 898
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 11 with 11 rules applied. Total rules applied 3015 place count 584 transition count 896
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3016 place count 583 transition count 896
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 3025 place count 574 transition count 882
Iterating global reduction 13 with 9 rules applied. Total rules applied 3034 place count 574 transition count 882
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 3035 place count 574 transition count 881
Discarding 5 places :
Symmetric choice reduction at 14 with 5 rule applications. Total rules 3040 place count 569 transition count 871
Iterating global reduction 14 with 5 rules applied. Total rules applied 3045 place count 569 transition count 871
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3047 place count 567 transition count 867
Iterating global reduction 14 with 2 rules applied. Total rules applied 3049 place count 567 transition count 867
Performed 170 Post agglomeration using F-continuation condition with reduction of 48 identical transitions.
Deduced a syphon composed of 170 places in 0 ms
Reduce places removed 170 places and 0 transitions.
Iterating global reduction 14 with 340 rules applied. Total rules applied 3389 place count 397 transition count 649
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 14 with 13 rules applied. Total rules applied 3402 place count 397 transition count 636
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 15 with 4 rules applied. Total rules applied 3406 place count 395 transition count 634
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 3408 place count 395 transition count 632
Performed 51 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 51 places in 1 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 16 with 102 rules applied. Total rules applied 3510 place count 344 transition count 665
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 16 with 35 rules applied. Total rules applied 3545 place count 344 transition count 630
Discarding 10 places :
Symmetric choice reduction at 17 with 10 rule applications. Total rules 3555 place count 334 transition count 610
Iterating global reduction 17 with 10 rules applied. Total rules applied 3565 place count 334 transition count 610
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3566 place count 334 transition count 609
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3567 place count 333 transition count 607
Iterating global reduction 18 with 1 rules applied. Total rules applied 3568 place count 333 transition count 607
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 18 with 29 rules applied. Total rules applied 3597 place count 333 transition count 578
Free-agglomeration rule applied 21 times.
Iterating global reduction 18 with 21 rules applied. Total rules applied 3618 place count 333 transition count 557
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 18 with 21 rules applied. Total rules applied 3639 place count 312 transition count 557
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 3642 place count 312 transition count 554
Partial Free-agglomeration rule applied 16 times.
Drop transitions (Partial Free agglomeration) removed 16 transitions
Iterating global reduction 19 with 16 rules applied. Total rules applied 3658 place count 312 transition count 554
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3659 place count 312 transition count 553
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 3661 place count 312 transition count 551
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3662 place count 312 transition count 551
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3663 place count 312 transition count 551
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3664 place count 311 transition count 550
Applied a total of 3664 rules in 495 ms. Remains 311 /2584 variables (removed 2273) and now considering 550/3094 (removed 2544) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 505 ms. Remains : 311/2584 places, 550/3094 transitions.
RANDOM walk for 40000 steps (43 resets) in 761 ms. (52 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (66 resets) in 244 ms. (163 steps per ms) remains 10/12 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (37 resets) in 318 ms. (125 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40000 steps (32 resets) in 297 ms. (134 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40000 steps (77 resets) in 209 ms. (190 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40000 steps (48 resets) in 174 ms. (228 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (20 resets) in 55 ms. (714 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40000 steps (96 resets) in 182 ms. (218 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40000 steps (51 resets) in 162 ms. (245 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (74 resets) in 180 ms. (221 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (88 resets) in 150 ms. (264 steps per ms) remains 9/9 properties
[2024-05-31 18:32:26] [INFO ] Flow matrix only has 543 transitions (discarded 7 similar events)
// Phase 1: matrix 543 rows 311 cols
[2024-05-31 18:32:26] [INFO ] Computed 3 invariants in 11 ms
[2024-05-31 18:32:26] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 139/277 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/277 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 539/816 variables, 277/280 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/816 variables, 3/283 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/816 variables, 0/283 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 37/853 variables, 33/316 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/853 variables, 1/317 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/853 variables, 0/317 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 1/854 variables, 1/318 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2024-05-31 18:32:27] [INFO ] Deduced a trap composed of 63 places in 70 ms of which 12 ms to minimize.
Problem CloudReconfiguration-PT-307-ReachabilityFireability-2024-01 is UNSAT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 10 (INCLUDED_ONLY) 0/854 variables, 1/319 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/854 variables, 0/319 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 0/854 variables, 0/319 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 854/854 variables, and 319 constraints, problems are : Problem set: 1 solved, 8 unsolved in 1056 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 311/311 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/137 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 140/277 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/277 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 539/816 variables, 277/280 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/816 variables, 3/283 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/816 variables, 2/285 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/816 variables, 0/285 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 37/853 variables, 33/318 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/853 variables, 1/319 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/853 variables, 6/325 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/853 variables, 1/326 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/853 variables, 0/326 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 1/854 variables, 1/327 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/854 variables, 0/327 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 0/854 variables, 0/327 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 854/854 variables, and 327 constraints, problems are : Problem set: 1 solved, 8 unsolved in 1840 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 311/311 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/9 constraints, Known Traps: 1/1 constraints]
After SMT, in 2968ms problems are : Problem set: 1 solved, 8 unsolved
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 7 properties in 1126 ms.
Support contains 26 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 550/550 transitions.
Graph (trivial) has 338 edges and 311 vertex of which 69 / 311 are part of one of the 28 SCC in 0 ms
Free SCC test removed 41 places
Drop transitions (Empty/Sink Transition effects.) removed 77 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 57 place count 270 transition count 415
Reduce places removed 56 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 66 rules applied. Total rules applied 123 place count 214 transition count 405
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 9 rules applied. Total rules applied 132 place count 211 transition count 399
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 139 place count 206 transition count 397
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 17 Pre rules applied. Total rules applied 139 place count 206 transition count 380
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 4 with 34 rules applied. Total rules applied 173 place count 189 transition count 380
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 184 place count 178 transition count 364
Iterating global reduction 4 with 11 rules applied. Total rules applied 195 place count 178 transition count 364
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 196 place count 178 transition count 363
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 197 place count 177 transition count 362
Iterating global reduction 5 with 1 rules applied. Total rules applied 198 place count 177 transition count 362
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 199 place count 177 transition count 361
Performed 38 Post agglomeration using F-continuation condition with reduction of 18 identical transitions.
Deduced a syphon composed of 38 places in 0 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 6 with 76 rules applied. Total rules applied 275 place count 139 transition count 305
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 288 place count 139 transition count 292
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 291 place count 136 transition count 287
Iterating global reduction 7 with 3 rules applied. Total rules applied 294 place count 136 transition count 287
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 295 place count 136 transition count 286
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 297 place count 135 transition count 285
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 298 place count 135 transition count 284
Performed 15 Post agglomeration using F-continuation condition with reduction of 5 identical transitions.
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 9 with 30 rules applied. Total rules applied 328 place count 120 transition count 320
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 9 with 35 rules applied. Total rules applied 363 place count 120 transition count 285
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 372 place count 111 transition count 259
Iterating global reduction 10 with 9 rules applied. Total rules applied 381 place count 111 transition count 259
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 382 place count 111 transition count 258
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 388 place count 105 transition count 250
Iterating global reduction 11 with 6 rules applied. Total rules applied 394 place count 105 transition count 250
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 11 with 12 rules applied. Total rules applied 406 place count 105 transition count 238
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 12 with 11 rules applied. Total rules applied 417 place count 105 transition count 227
Free-agglomeration rule applied 7 times.
Iterating global reduction 12 with 7 rules applied. Total rules applied 424 place count 105 transition count 220
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 12 with 7 rules applied. Total rules applied 431 place count 98 transition count 220
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 13 with 2 rules applied. Total rules applied 433 place count 98 transition count 218
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 13 with 8 rules applied. Total rules applied 441 place count 98 transition count 218
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 444 place count 98 transition count 215
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 445 place count 97 transition count 214
Iterating global reduction 14 with 1 rules applied. Total rules applied 446 place count 97 transition count 214
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 448 place count 97 transition count 212
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 449 place count 96 transition count 211
Iterating global reduction 14 with 1 rules applied. Total rules applied 450 place count 96 transition count 211
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 452 place count 96 transition count 211
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 453 place count 96 transition count 210
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 454 place count 96 transition count 209
Applied a total of 454 rules in 109 ms. Remains 96 /311 variables (removed 215) and now considering 209/550 (removed 341) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 96/311 places, 209/550 transitions.
RANDOM walk for 25025 steps (360 resets) in 356 ms. (70 steps per ms) remains 0/1 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 20684 ms.
ITS solved all properties within timeout

BK_STOP 1717180351000

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML

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="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
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 r480-tall-171624188700167"
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 ;