Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028200326.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-316, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028200326
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 660K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-00
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-01
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-02
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-03
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-04
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-05
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-06
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-07
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-08
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-09
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-10
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-11
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-12
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-13
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-14
FORMULA_NAME CloudReconfiguration-PT-316-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748597682116

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-316
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 09:34:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 09:34:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 09:34:43] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2025-05-30 09:34:43] [INFO ] Transformed 2585 places.
[2025-05-30 09:34:43] [INFO ] Transformed 3095 transitions.
[2025-05-30 09:34:43] [INFO ] Found NUPN structural information;
[2025-05-30 09:34:43] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 245 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (307 resets) in 1769 ms. (22 steps per ms) remains 15/16 properties
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (10 resets) in 115 ms. (34 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 79 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 86 ms. (46 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (11 resets) in 73 ms. (54 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (10 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (12 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 43 ms. (90 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (11 resets) in 58 ms. (67 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 70 ms. (56 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (10 resets) in 56 ms. (70 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (10 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
[2025-05-30 09:34:44] [INFO ] Flatten gal took : 357 ms
BEST_FIRST walk for 4003 steps (9 resets) in 79 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 13 ms. (285 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 30 ms. (129 steps per ms) remains 15/15 properties
[2025-05-30 09:34:44] [INFO ] Flatten gal took : 135 ms
[2025-05-30 09:34:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6977383755825989220.gal : 87 ms
[2025-05-30 09:34:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3576392402102858654.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6977383755825989220.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3576392402102858654.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3576392402102858654.prop.
Interrupted probabilistic random walk after 233126 steps, run timeout after 3001 ms. (steps per millisecond=77 ) properties seen :0 out of 15
Probabilistic random walk after 233126 steps, saw 66707 distinct states, run finished after 3006 ms. (steps per millisecond=77 ) properties seen :0
// Phase 1: matrix 3095 rows 2585 cols
[2025-05-30 09:34:47] [INFO ] Computed 4 invariants in 71 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 111/111 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2464/2575 variables, 4/115 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2464/2579 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :7 after 8
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :8 after 10
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :10 after 18
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :18 after 575
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :575 after 2206
Invariant property CloudReconfiguration-PT-316-ReachabilityCardinality-2025-14 does not hold.
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 0/5154 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 5/5667 variables, 3/5157 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5667 variables, 3/5160 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5667 variables, 0/5160 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 2/5669 variables, 1/5161 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5669 variables, 1/5162 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Invariant property CloudReconfiguration-PT-316-ReachabilityCardinality-2025-05 does not hold.
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-316-ReachabilityCardinality-2025-04 is true.
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :2206 after 5287
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5669/5680 variables, and 5162 constraints, problems are : Problem set: 3 solved, 12 unsolved in 5053 ms.
Refiners :[Domain max(s): 2579/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2579/2585 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 104/104 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/104 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2471/2575 variables, 4/108 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2471/2579 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 11/5165 constraints. Problems are: Problem set: 3 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5662/5680 variables, and 5165 constraints, problems are : Problem set: 3 solved, 12 unsolved in 5028 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 11/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10293ms problems are : Problem set: 3 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 104 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2735 edges and 2585 vertex of which 627 / 2585 are part of one of the 54 SCC in 11 ms
Free SCC test removed 573 places
Drop transitions (Empty/Sink Transition effects.) removed 698 transitions
Reduce isomorphic transitions removed 698 transitions.
Graph (complete) has 2677 edges and 2012 vertex of which 1999 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.5 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 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1186 transitions
Trivial Post-agglo rules discarded 1186 transitions
Performed 1186 trivial Post agglomeration. Transition count delta: 1186
Iterating post reduction 0 with 1194 rules applied. Total rules applied 1196 place count 1999 transition count 1195
Reduce places removed 1186 places and 0 transitions.
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 1286 rules applied. Total rules applied 2482 place count 813 transition count 1095
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 2 with 43 rules applied. Total rules applied 2525 place count 774 transition count 1091
Reduce places removed 1 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 3 rules applied. Total rules applied 2528 place count 773 transition count 1089
Reduce places removed 1 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 4 with 3 rules applied. Total rules applied 2531 place count 772 transition count 1087
Reduce places removed 1 places and 0 transitions.
Performed 57 Post agglomeration using F-continuation condition.Transition count delta: 57
Iterating post reduction 5 with 58 rules applied. Total rules applied 2589 place count 771 transition count 1030
Reduce places removed 57 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 60 rules applied. Total rules applied 2649 place count 714 transition count 1027
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 31 Pre rules applied. Total rules applied 2649 place count 714 transition count 996
Deduced a syphon composed of 31 places in 1 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 7 with 62 rules applied. Total rules applied 2711 place count 683 transition count 996
Discarding 84 places :
Symmetric choice reduction at 7 with 84 rule applications. Total rules 2795 place count 599 transition count 912
Iterating global reduction 7 with 84 rules applied. Total rules applied 2879 place count 599 transition count 912
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 6 rules applied. Total rules applied 2885 place count 599 transition count 906
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2886 place count 598 transition count 906
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 8 Pre rules applied. Total rules applied 2886 place count 598 transition count 898
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 9 with 16 rules applied. Total rules applied 2902 place count 590 transition count 898
Discarding 57 places :
Symmetric choice reduction at 9 with 57 rule applications. Total rules 2959 place count 533 transition count 841
Iterating global reduction 9 with 57 rules applied. Total rules applied 3016 place count 533 transition count 841
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 9 with 23 rules applied. Total rules applied 3039 place count 533 transition count 818
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 10 with 17 rules applied. Total rules applied 3056 place count 522 transition count 812
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 11 with 4 rules applied. Total rules applied 3060 place count 519 transition count 811
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3061 place count 518 transition count 811
Discarding 15 places :
Symmetric choice reduction at 13 with 15 rule applications. Total rules 3076 place count 503 transition count 788
Iterating global reduction 13 with 15 rules applied. Total rules applied 3091 place count 503 transition count 788
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 3097 place count 503 transition count 782
Discarding 6 places :
Symmetric choice reduction at 14 with 6 rule applications. Total rules 3103 place count 497 transition count 770
Iterating global reduction 14 with 6 rules applied. Total rules applied 3109 place count 497 transition count 770
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3111 place count 495 transition count 766
Iterating global reduction 14 with 2 rules applied. Total rules applied 3113 place count 495 transition count 766
Performed 169 Post agglomeration using F-continuation condition with reduction of 41 identical transitions.
Deduced a syphon composed of 169 places in 2 ms
Reduce places removed 169 places and 0 transitions.
Iterating global reduction 14 with 338 rules applied. Total rules applied 3451 place count 326 transition count 556
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 14 with 21 rules applied. Total rules applied 3472 place count 326 transition count 535
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 3474 place count 325 transition count 534
Performed 48 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 15 with 96 rules applied. Total rules applied 3570 place count 277 transition count 581
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 15 with 23 rules applied. Total rules applied 3593 place count 277 transition count 558
Discarding 14 places :
Symmetric choice reduction at 16 with 14 rule applications. Total rules 3607 place count 263 transition count 530
Iterating global reduction 16 with 14 rules applied. Total rules applied 3621 place count 263 transition count 530
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 3623 place count 261 transition count 526
Iterating global reduction 16 with 2 rules applied. Total rules applied 3625 place count 261 transition count 526
Drop transitions (Redundant composition of simpler transitions.) removed 58 transitions
Redundant transition composition rules discarded 58 transitions
Iterating global reduction 16 with 58 rules applied. Total rules applied 3683 place count 261 transition count 468
Free-agglomeration rule applied 47 times.
Iterating global reduction 16 with 47 rules applied. Total rules applied 3730 place count 261 transition count 421
Reduce places removed 47 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 16 with 50 rules applied. Total rules applied 3780 place count 214 transition count 418
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 17 with 8 rules applied. Total rules applied 3788 place count 214 transition count 410
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 17 with 2 rules applied. Total rules applied 3790 place count 214 transition count 409
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 3792 place count 212 transition count 409
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3793 place count 212 transition count 408
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 18 with 15 rules applied. Total rules applied 3808 place count 212 transition count 408
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3809 place count 212 transition count 407
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 18 with 3 rules applied. Total rules applied 3812 place count 212 transition count 407
Applied a total of 3812 rules in 444 ms. Remains 212 /2585 variables (removed 2373) and now considering 407/3095 (removed 2688) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 451 ms. Remains : 212/2585 places, 407/3095 transitions.
RANDOM walk for 40000 steps (457 resets) in 781 ms. (51 steps per ms) remains 3/12 properties
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 93 ms. (425 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 178 ms. (223 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (102 resets) in 89 ms. (444 steps per ms) remains 2/3 properties
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 09:34:58] [INFO ] Flow matrix only has 401 transitions (discarded 6 similar events)
// Phase 1: matrix 401 rows 212 cols
[2025-05-30 09:34:58] [INFO ] Computed 3 invariants in 1 ms
[2025-05-30 09:34:58] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-316-ReachabilityCardinality-2025-09 is UNSAT
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 129/158 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 09:34:58] [INFO ] Deduced a trap composed of 71 places in 63 ms of which 10 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 333/491 variables, 158/162 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/491 variables, 9/171 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/491 variables, 0/171 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 87/578 variables, 29/200 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/578 variables, 3/203 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/578 variables, 0/203 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 32/610 variables, 22/225 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/610 variables, 0/225 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Invariant property CloudReconfiguration-PT-316-ReachabilityCardinality-2025-01 does not hold.
At refinement iteration 12 (OVERLAPS) 3/613 variables, 3/228 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :5287 after 25408
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 09:34:59] [INFO ] Deduced a trap composed of 56 places in 88 ms of which 19 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/613 variables, 1/229 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/613 variables, 0/229 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/613 variables, 0/229 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 613/613 variables, and 229 constraints, problems are : Problem set: 1 solved, 1 unsolved in 400 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 212/212 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 139/154 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 328/482 variables, 154/158 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/482 variables, 9/167 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/482 variables, 0/167 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 95/577 variables, 32/199 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/577 variables, 3/202 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/577 variables, 1/203 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/577 variables, 0/203 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/610 variables, 23/226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/610 variables, 0/226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 3/613 variables, 3/229 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/613 variables, 1/230 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/613 variables, 0/230 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/613 variables, 0/230 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 613/613 variables, and 230 constraints, problems are : Problem set: 1 solved, 1 unsolved in 326 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 212/212 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 737ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 593 steps, including 33 resets, run visited all 1 properties in 3 ms. (steps per millisecond=197 )
FORMULA CloudReconfiguration-PT-316-ReachabilityCardinality-2025-02 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 9 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 16162 ms.

BK_STOP 1748597699521

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-316"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-316, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028200326"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-316.tgz
mv CloudReconfiguration-PT-316 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;