Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028100286.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-310, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028100286
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K 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 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K 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-310-ReachabilityCardinality-2025-00
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-01
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-02
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-03
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-04
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-05
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-06
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-07
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-08
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-09
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-10
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-11
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-12
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-13
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-14
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748592069257

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-310
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 08:01:10] [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 08:01:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 08:01:10] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2025-05-30 08:01:10] [INFO ] Transformed 2585 places.
[2025-05-30 08:01:10] [INFO ] Transformed 3095 transitions.
[2025-05-30 08:01:10] [INFO ] Found NUPN structural information;
[2025-05-30 08:01:10] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 244 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (311 resets) in 2306 ms. (17 steps per ms) remains 10/15 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 08:01:11] [INFO ] Flatten gal took : 355 ms
[2025-05-30 08:01:11] [INFO ] Flatten gal took : 148 ms
BEST_FIRST walk for 40002 steps (98 resets) in 617 ms. (64 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (89 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
[2025-05-30 08:01:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10980804278185775479.gal : 80 ms
[2025-05-30 08:01:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15795938674906932970.prop : 8 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/ReachabilityCardinality10980804278185775479.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15795938674906932970.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (103 resets) in 246 ms. (161 steps per ms) remains 10/10 properties

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 ...330
BEST_FIRST walk for 40003 steps (88 resets) in 524 ms. (76 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (95 resets) in 148 ms. (268 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (91 resets) in 215 ms. (185 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality15795938674906932970.prop.
BEST_FIRST walk for 40002 steps (88 resets) in 276 ms. (144 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (94 resets) in 140 ms. (283 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (95 resets) in 163 ms. (243 steps per ms) remains 8/9 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (96 resets) in 146 ms. (272 steps per ms) remains 7/8 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 3095 rows 2585 cols
[2025-05-30 08:01:12] [INFO ] Computed 4 invariants in 47 ms
Excessive predecessor constraint size, skipping predecessor.
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) 0/175 variables, 175/175 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 2399/2574 variables, 4/179 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2399/2578 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :5 after 6
At refinement iteration 7 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :6 after 7
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :7 after 8
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :9 after 10
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :10 after 11
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :11 after 20
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :20 after 453
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 2/5663 variables, 1/5155 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5663 variables, 1/5156 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5663/5680 variables, and 5156 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5044 ms.
Refiners :[Domain max(s): 2576/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2585 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 175/175 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 2399/2574 variables, 4/179 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2399/2578 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Reachability property CloudReconfiguration-PT-310-ReachabilityCardinality-2025-12 is true.
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :453 after 3537
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :3537 after 4542
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :4542 after 14111
Reachability property CloudReconfiguration-PT-310-ReachabilityCardinality-2025-14 is true.
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :14111 after 219265
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 5/5157 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5680 variables, and 5157 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5033 ms.
Refiners :[Domain max(s): 2574/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2585 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10246ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 175 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2583 edges and 2585 vertex of which 449 / 2585 are part of one of the 42 SCC in 15 ms
Free SCC test removed 407 places
Drop transitions (Empty/Sink Transition effects.) removed 491 transitions
Reduce isomorphic transitions removed 491 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1179 transitions
Trivial Post-agglo rules discarded 1179 transitions
Performed 1179 trivial Post agglomeration. Transition count delta: 1179
Iterating post reduction 0 with 1179 rules applied. Total rules applied 1180 place count 2178 transition count 1425
Reduce places removed 1179 places and 0 transitions.
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 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 1276 rules applied. Total rules applied 2456 place count 999 transition count 1328
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 47 rules applied. Total rules applied 2503 place count 961 transition count 1319
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 12 rules applied. Total rules applied 2515 place count 957 transition count 1311
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 9 rules applied. Total rules applied 2524 place count 953 transition count 1306
Reduce places removed 3 places and 0 transitions.
Performed 110 Post agglomeration using F-continuation condition.Transition count delta: 110
Iterating post reduction 5 with 113 rules applied. Total rules applied 2637 place count 950 transition count 1196
Reduce places removed 110 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 126 rules applied. Total rules applied 2763 place count 840 transition count 1180
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2766 place count 837 transition count 1180
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 23 Pre rules applied. Total rules applied 2766 place count 837 transition count 1157
Deduced a syphon composed of 23 places in 3 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 8 with 46 rules applied. Total rules applied 2812 place count 814 transition count 1157
Discarding 88 places :
Symmetric choice reduction at 8 with 88 rule applications. Total rules 2900 place count 726 transition count 1069
Iterating global reduction 8 with 88 rules applied. Total rules applied 2988 place count 726 transition count 1069
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 8 with 4 rules applied. Total rules applied 2992 place count 726 transition count 1065
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 2993 place count 725 transition count 1065
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 7 Pre rules applied. Total rules applied 2993 place count 725 transition count 1058
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 10 with 14 rules applied. Total rules applied 3007 place count 718 transition count 1058
Discarding 54 places :
Symmetric choice reduction at 10 with 54 rule applications. Total rules 3061 place count 664 transition count 1003
Iterating global reduction 10 with 54 rules applied. Total rules applied 3115 place count 664 transition count 1003
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 10 with 17 rules applied. Total rules applied 3132 place count 664 transition count 986
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 11 with 12 rules applied. Total rules applied 3144 place count 656 transition count 982
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 3 rules applied. Total rules applied 3147 place count 654 transition count 981
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 3148 place count 653 transition count 981
Discarding 8 places :
Symmetric choice reduction at 14 with 8 rule applications. Total rules 3156 place count 645 transition count 970
Iterating global reduction 14 with 8 rules applied. Total rules applied 3164 place count 645 transition count 970
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 3167 place count 645 transition count 967
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 3169 place count 643 transition count 963
Iterating global reduction 15 with 2 rules applied. Total rules applied 3171 place count 643 transition count 963
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 3172 place count 642 transition count 961
Iterating global reduction 15 with 1 rules applied. Total rules applied 3173 place count 642 transition count 961
Performed 183 Post agglomeration using F-continuation condition with reduction of 61 identical transitions.
Deduced a syphon composed of 183 places in 1 ms
Reduce places removed 183 places and 0 transitions.
Iterating global reduction 15 with 366 rules applied. Total rules applied 3539 place count 459 transition count 717
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 15 with 10 rules applied. Total rules applied 3549 place count 459 transition count 707
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 3551 place count 458 transition count 706
Performed 52 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 52 places in 1 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 16 with 104 rules applied. Total rules applied 3655 place count 406 transition count 746
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 16 with 28 rules applied. Total rules applied 3683 place count 406 transition count 718
Discarding 10 places :
Symmetric choice reduction at 17 with 10 rule applications. Total rules 3693 place count 396 transition count 698
Iterating global reduction 17 with 10 rules applied. Total rules applied 3703 place count 396 transition count 698
Drop transitions (Redundant composition of simpler transitions.) removed 48 transitions
Redundant transition composition rules discarded 48 transitions
Iterating global reduction 17 with 48 rules applied. Total rules applied 3751 place count 396 transition count 650
Free-agglomeration rule applied 35 times.
Iterating global reduction 17 with 35 rules applied. Total rules applied 3786 place count 396 transition count 615
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 17 with 35 rules applied. Total rules applied 3821 place count 361 transition count 615
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 3822 place count 361 transition count 614
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 3837 place count 361 transition count 614
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 18 with 2 rules applied. Total rules applied 3839 place count 361 transition count 614
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 3840 place count 360 transition count 613
Applied a total of 3840 rules in 661 ms. Remains 360 /2585 variables (removed 2225) and now considering 613/3095 (removed 2482) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 675 ms. Remains : 360/2585 places, 613/3095 transitions.
RANDOM walk for 40000 steps (1419 resets) in 415 ms. (96 steps per ms) remains 5/7 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (43 resets) in 165 ms. (240 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (414 resets) in 106 ms. (373 steps per ms) remains 4/5 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (243 resets) in 128 ms. (310 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (394 resets) in 247 ms. (161 steps per ms) remains 4/4 properties
[2025-05-30 08:01:23] [INFO ] Flow matrix only has 610 transitions (discarded 3 similar events)
// Phase 1: matrix 610 rows 360 cols
[2025-05-30 08:01:23] [INFO ] Computed 4 invariants in 3 ms
[2025-05-30 08:01:23] [INFO ] State equation strengthened by 4 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
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) 0/123 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 237/360 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/360 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem CloudReconfiguration-PT-310-ReachabilityCardinality-2025-07 is UNSAT
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-07 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 610/970 variables, 360/364 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/970 variables, 4/368 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/970 variables, 0/368 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/970 variables, 0/368 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 970/970 variables, and 368 constraints, problems are : Problem set: 1 solved, 3 unsolved in 654 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 360/360 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 267/360 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/360 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 610/970 variables, 360/364 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/970 variables, 4/368 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/970 variables, 2/370 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/970 variables, 0/370 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/970 variables, 0/370 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 970/970 variables, and 370 constraints, problems are : Problem set: 1 solved, 3 unsolved in 737 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 360/360 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1422ms problems are : Problem set: 1 solved, 3 unsolved
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-11 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 178 ms.
Support contains 16 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 613/613 transitions.
Graph (trivial) has 440 edges and 360 vertex of which 106 / 360 are part of one of the 38 SCC in 1 ms
Free SCC test removed 68 places
Drop transitions (Empty/Sink Transition effects.) removed 121 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 126 transitions.
Graph (complete) has 640 edges and 292 vertex of which 284 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 95 rules applied. Total rules applied 97 place count 284 transition count 389
Reduce places removed 90 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 106 rules applied. Total rules applied 203 place count 194 transition count 373
Reduce places removed 4 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 8 rules applied. Total rules applied 211 place count 190 transition count 369
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 3 with 3 rules applied. Total rules applied 214 place count 189 transition count 367
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 216 place count 187 transition count 367
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 20 Pre rules applied. Total rules applied 216 place count 187 transition count 347
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 5 with 40 rules applied. Total rules applied 256 place count 167 transition count 347
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 271 place count 152 transition count 325
Iterating global reduction 5 with 15 rules applied. Total rules applied 286 place count 152 transition count 325
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 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 5 with 9 rules applied. Total rules applied 295 place count 152 transition count 316
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 296 place count 151 transition count 316
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 299 place count 148 transition count 311
Iterating global reduction 7 with 3 rules applied. Total rules applied 302 place count 148 transition count 311
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 303 place count 148 transition count 310
Performed 40 Post agglomeration using F-continuation condition with reduction of 23 identical transitions.
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 8 with 80 rules applied. Total rules applied 383 place count 108 transition count 247
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 391 place count 108 transition count 239
Discarding 3 places :
Symmetric choice reduction at 9 with 3 rule applications. Total rules 394 place count 105 transition count 234
Iterating global reduction 9 with 3 rules applied. Total rules applied 397 place count 105 transition count 234
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 399 place count 105 transition count 232
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 400 place count 104 transition count 230
Iterating global reduction 10 with 1 rules applied. Total rules applied 401 place count 104 transition count 230
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 402 place count 104 transition count 229
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 404 place count 103 transition count 228
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 405 place count 103 transition count 227
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 406 place count 102 transition count 225
Iterating global reduction 12 with 1 rules applied. Total rules applied 407 place count 102 transition count 225
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 12 with 18 rules applied. Total rules applied 425 place count 93 transition count 227
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 12 with 15 rules applied. Total rules applied 440 place count 93 transition count 212
Discarding 7 places :
Symmetric choice reduction at 13 with 7 rule applications. Total rules 447 place count 86 transition count 199
Iterating global reduction 13 with 7 rules applied. Total rules applied 454 place count 86 transition count 199
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 457 place count 86 transition count 196
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 459 place count 84 transition count 193
Iterating global reduction 14 with 2 rules applied. Total rules applied 461 place count 84 transition count 193
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 14 with 5 rules applied. Total rules applied 466 place count 84 transition count 188
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 15 with 16 rules applied. Total rules applied 482 place count 84 transition count 172
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 15 with 1 Pre rules applied. Total rules applied 482 place count 84 transition count 171
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 15 with 2 rules applied. Total rules applied 484 place count 83 transition count 171
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 485 place count 83 transition count 170
Discarding 1 places :
Symmetric choice reduction at 16 with 1 rule applications. Total rules 486 place count 82 transition count 166
Iterating global reduction 16 with 1 rules applied. Total rules applied 487 place count 82 transition count 166
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 16 with 2 rules applied. Total rules applied 489 place count 81 transition count 165
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 16 with 4 rules applied. Total rules applied 493 place count 81 transition count 161
Free-agglomeration rule applied 1 times.
Iterating global reduction 16 with 1 rules applied. Total rules applied 494 place count 81 transition count 160
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 496 place count 80 transition count 159
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 17 with 5 rules applied. Total rules applied 501 place count 80 transition count 159
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 503 place count 80 transition count 157
Discarding 2 places :
Symmetric choice reduction at 18 with 2 rule applications. Total rules 505 place count 78 transition count 155
Iterating global reduction 18 with 2 rules applied. Total rules applied 507 place count 78 transition count 155
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 508 place count 78 transition count 154
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 509 place count 77 transition count 153
Iterating global reduction 18 with 1 rules applied. Total rules applied 510 place count 77 transition count 153
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 511 place count 76 transition count 152
Applied a total of 511 rules in 116 ms. Remains 76 /360 variables (removed 284) and now considering 152/613 (removed 461) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 76/360 places, 152/613 transitions.
RANDOM walk for 40000 steps (630 resets) in 209 ms. (190 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (10 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (165 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
Probably explored full state space saw : 67470 states, properties seen :1
Probabilistic random walk after 347655 steps, saw 67470 distinct states, run finished after 451 ms. (steps per millisecond=770 ) properties seen :1
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Explored full state space saw : 67470 states, properties seen :0
Exhaustive walk after 347655 steps, saw 67470 distinct states, run finished after 283 ms. (steps per millisecond=1228 ) properties seen :0
FORMULA CloudReconfiguration-PT-310-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
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 15911 ms.

BK_STOP 1748592086388

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-310"
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-310, 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-174854028100286"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-310.tgz
mv CloudReconfiguration-PT-310 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 ;