Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028100247.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-305, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028100247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 3.7K 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 19K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 214K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K 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-305-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748586445936

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-305
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 06:27:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 06:27:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:27:27] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2025-05-30 06:27:27] [INFO ] Transformed 2585 places.
[2025-05-30 06:27:27] [INFO ] Transformed 3095 transitions.
[2025-05-30 06:27:27] [INFO ] Found NUPN structural information;
[2025-05-30 06:27:27] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 247 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (321 resets) in 2299 ms. (17 steps per ms) remains 12/16 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 06:27:28] [INFO ] Flatten gal took : 278 ms
BEST_FIRST walk for 40004 steps (97 resets) in 424 ms. (94 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (100 resets) in 474 ms. (84 steps per ms) remains 12/12 properties
[2025-05-30 06:27:28] [INFO ] Flatten gal took : 331 ms
BEST_FIRST walk for 40003 steps (92 resets) in 429 ms. (93 steps per ms) remains 12/12 properties
[2025-05-30 06:27:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1108949452794807657.gal : 96 ms
[2025-05-30 06:27:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2864418346075286799.prop : 2 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/ReachabilityCardinality1108949452794807657.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2864418346075286799.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (99 resets) in 156 ms. (254 steps per ms) remains 12/12 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 ...328
BEST_FIRST walk for 40003 steps (92 resets) in 283 ms. (140 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (94 resets) in 239 ms. (166 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality2864418346075286799.prop.
BEST_FIRST walk for 40004 steps (85 resets) in 273 ms. (146 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (101 resets) in 186 ms. (213 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (90 resets) in 261 ms. (152 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (92 resets) in 243 ms. (163 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (99 resets) in 190 ms. (209 steps per ms) remains 11/11 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :11 after 19
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :19 after 197
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :197 after 3510
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :3510 after 5415
Reachability property CloudReconfiguration-PT-305-ReachabilityFireability-2025-13 is true.
// Phase 1: matrix 3095 rows 2585 cols
[2025-05-30 06:27:39] [INFO ] Computed 4 invariants in 52 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) 0/185 variables, 185/185 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2389/2574 variables, 4/189 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2389/2578 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/5663 variables, 1/5155 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5663 variables, 1/5156 constraints. Problems are: Problem set: 0 solved, 11 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, 11 unsolved in 6773 ms.
Refiners :[Domain max(s): 2576/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2585 constraints, PredecessorRefiner: 11/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/185 variables, 185/185 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/185 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2389/2574 variables, 4/189 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2389/2578 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 8/5160 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5680 variables, and 5160 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5043 ms.
Refiners :[Domain max(s): 2574/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2585 constraints, PredecessorRefiner: 11/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12003ms problems are : Problem set: 0 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 185 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2500 edges and 2585 vertex of which 379 / 2585 are part of one of the 36 SCC in 13 ms
Free SCC test removed 343 places
Drop transitions (Empty/Sink Transition effects.) removed 417 transitions
Reduce isomorphic transitions removed 417 transitions.
Graph (complete) has 2958 edges and 2242 vertex of which 2228 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.6 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1134 transitions
Trivial Post-agglo rules discarded 1134 transitions
Performed 1134 trivial Post agglomeration. Transition count delta: 1134
Iterating post reduction 0 with 1139 rules applied. Total rules applied 1141 place count 2228 transition count 1530
Reduce places removed 1134 places and 0 transitions.
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 41 transitions
Trivial Post-agglo rules discarded 41 transitions
Performed 41 trivial Post agglomeration. Transition count delta: 41
Iterating post reduction 1 with 1231 rules applied. Total rules applied 2372 place count 1094 transition count 1433
Reduce places removed 41 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 2 with 48 rules applied. Total rules applied 2420 place count 1053 transition count 1426
Reduce places removed 3 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 3 with 9 rules applied. Total rules applied 2429 place count 1050 transition count 1420
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 4 with 9 rules applied. Total rules applied 2438 place count 1047 transition count 1414
Reduce places removed 4 places and 0 transitions.
Performed 169 Post agglomeration using F-continuation condition.Transition count delta: 169
Iterating post reduction 5 with 173 rules applied. Total rules applied 2611 place count 1043 transition count 1245
Reduce places removed 169 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 6 with 197 rules applied. Total rules applied 2808 place count 874 transition count 1217
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 2815 place count 867 transition count 1217
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 32 Pre rules applied. Total rules applied 2815 place count 867 transition count 1185
Deduced a syphon composed of 32 places in 2 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 8 with 64 rules applied. Total rules applied 2879 place count 835 transition count 1185
Discarding 88 places :
Symmetric choice reduction at 8 with 88 rule applications. Total rules 2967 place count 747 transition count 1097
Iterating global reduction 8 with 88 rules applied. Total rules applied 3055 place count 747 transition count 1097
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 3056 place count 747 transition count 1096
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 6 Pre rules applied. Total rules applied 3056 place count 747 transition count 1090
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 9 with 12 rules applied. Total rules applied 3068 place count 741 transition count 1090
Discarding 53 places :
Symmetric choice reduction at 9 with 53 rule applications. Total rules 3121 place count 688 transition count 1037
Iterating global reduction 9 with 53 rules applied. Total rules applied 3174 place count 688 transition count 1037
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 9 with 17 rules applied. Total rules applied 3191 place count 688 transition count 1020
Reduce places removed 8 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 10 with 10 rules applied. Total rules applied 3201 place count 680 transition count 1018
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 3202 place count 679 transition count 1018
Discarding 6 places :
Symmetric choice reduction at 12 with 6 rule applications. Total rules 3208 place count 673 transition count 1009
Iterating global reduction 12 with 6 rules applied. Total rules applied 3214 place count 673 transition count 1009
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3217 place count 670 transition count 1003
Iterating global reduction 12 with 3 rules applied. Total rules applied 3220 place count 670 transition count 1003
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 3221 place count 669 transition count 1001
Iterating global reduction 12 with 1 rules applied. Total rules applied 3222 place count 669 transition count 1001
Performed 192 Post agglomeration using F-continuation condition with reduction of 33 identical transitions.
Deduced a syphon composed of 192 places in 1 ms
Reduce places removed 192 places and 0 transitions.
Iterating global reduction 12 with 384 rules applied. Total rules applied 3606 place count 477 transition count 776
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 12 with 31 rules applied. Total rules applied 3637 place count 477 transition count 745
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 3641 place count 475 transition count 743
Performed 48 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 13 with 96 rules applied. Total rules applied 3737 place count 427 transition count 789
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 13 with 32 rules applied. Total rules applied 3769 place count 427 transition count 757
Discarding 9 places :
Symmetric choice reduction at 14 with 9 rule applications. Total rules 3778 place count 418 transition count 739
Iterating global reduction 14 with 9 rules applied. Total rules applied 3787 place count 418 transition count 739
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 14 with 34 rules applied. Total rules applied 3821 place count 418 transition count 705
Free-agglomeration rule applied 35 times.
Iterating global reduction 14 with 35 rules applied. Total rules applied 3856 place count 418 transition count 670
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 36 rules applied. Total rules applied 3892 place count 383 transition count 669
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 15 with 7 rules applied. Total rules applied 3899 place count 383 transition count 662
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 15 with 2 rules applied. Total rules applied 3901 place count 383 transition count 661
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 3903 place count 381 transition count 661
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 16 with 11 rules applied. Total rules applied 3914 place count 381 transition count 661
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 16 with 3 rules applied. Total rules applied 3917 place count 381 transition count 661
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 3918 place count 381 transition count 660
Applied a total of 3918 rules in 592 ms. Remains 381 /2585 variables (removed 2204) and now considering 660/3095 (removed 2435) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 598 ms. Remains : 381/2585 places, 660/3095 transitions.
RANDOM walk for 40000 steps (1321 resets) in 681 ms. (58 steps per ms) remains 4/11 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (344 resets) in 156 ms. (254 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (194 resets) in 95 ms. (416 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (339 resets) in 67 ms. (588 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (287 resets) in 138 ms. (287 steps per ms) remains 4/4 properties
[2025-05-30 06:27:52] [INFO ] Flow matrix only has 651 transitions (discarded 9 similar events)
// Phase 1: matrix 651 rows 381 cols
[2025-05-30 06:27:52] [INFO ] Computed 2 invariants in 2 ms
[2025-05-30 06:27:52] [INFO ] State equation strengthened by 4 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) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 134/242 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 531/773 variables, 242/244 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/773 variables, 2/246 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/773 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 216/989 variables, 101/347 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/989 variables, 2/349 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/989 variables, 0/349 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 42/1031 variables, 37/386 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1031 variables, 0/386 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 1/1032 variables, 1/387 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1032 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/1032 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1032/1032 variables, and 387 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1471 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 381/381 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: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem CloudReconfiguration-PT-305-ReachabilityFireability-2025-12 is UNSAT
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 134/242 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/242 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 531/773 variables, 242/244 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/773 variables, 2/246 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/773 variables, 0/246 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 216/989 variables, 101/347 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/989 variables, 2/349 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/989 variables, 2/351 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/989 variables, 0/351 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem CloudReconfiguration-PT-305-ReachabilityFireability-2025-01 is UNSAT
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-01 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 10 (OVERLAPS) 42/1031 variables, 37/388 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1031 variables, 0/388 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Problem CloudReconfiguration-PT-305-ReachabilityFireability-2025-07 is UNSAT
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-07 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 1/1032 variables, 1/389 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1032 variables, 0/389 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1032 variables, 0/389 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1032/1032 variables, and 389 constraints, problems are : Problem set: 3 solved, 1 unsolved in 1299 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 381/381 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2794ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 12 out of 381 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 381/381 places, 660/660 transitions.
Graph (trivial) has 485 edges and 381 vertex of which 127 / 381 are part of one of the 39 SCC in 1 ms
Free SCC test removed 88 places
Drop transitions (Empty/Sink Transition effects.) removed 147 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 158 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 103 transitions
Trivial Post-agglo rules discarded 103 transitions
Performed 103 trivial Post agglomeration. Transition count delta: 103
Iterating post reduction 0 with 103 rules applied. Total rules applied 104 place count 293 transition count 399
Reduce places removed 103 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 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 132 rules applied. Total rules applied 236 place count 190 transition count 370
Reduce places removed 4 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 2 with 6 rules applied. Total rules applied 242 place count 186 transition count 368
Reduce places removed 1 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 3 with 7 rules applied. Total rules applied 249 place count 185 transition count 362
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 255 place count 179 transition count 362
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 14 Pre rules applied. Total rules applied 255 place count 179 transition count 348
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 283 place count 165 transition count 348
Discarding 10 places :
Symmetric choice reduction at 5 with 10 rule applications. Total rules 293 place count 155 transition count 332
Iterating global reduction 5 with 10 rules applied. Total rules applied 303 place count 155 transition count 332
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 306 place count 155 transition count 329
Performed 37 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 6 with 74 rules applied. Total rules applied 380 place count 118 transition count 285
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 6 with 20 rules applied. Total rules applied 400 place count 118 transition count 265
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 404 place count 114 transition count 258
Iterating global reduction 7 with 4 rules applied. Total rules applied 408 place count 114 transition count 258
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 409 place count 114 transition count 257
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 410 place count 113 transition count 256
Iterating global reduction 8 with 1 rules applied. Total rules applied 411 place count 113 transition count 256
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 412 place count 113 transition count 255
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 9 with 4 rules applied. Total rules applied 416 place count 111 transition count 253
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 417 place count 111 transition count 252
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 418 place count 110 transition count 250
Iterating global reduction 10 with 1 rules applied. Total rules applied 419 place count 110 transition count 250
Performed 15 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 10 with 30 rules applied. Total rules applied 449 place count 95 transition count 272
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 10 with 36 rules applied. Total rules applied 485 place count 95 transition count 236
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 494 place count 86 transition count 213
Iterating global reduction 11 with 9 rules applied. Total rules applied 503 place count 86 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 504 place count 86 transition count 212
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 507 place count 83 transition count 208
Iterating global reduction 12 with 3 rules applied. Total rules applied 510 place count 83 transition count 208
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 514 place count 83 transition count 204
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 13 with 24 rules applied. Total rules applied 538 place count 83 transition count 180
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 539 place count 82 transition count 178
Iterating global reduction 13 with 1 rules applied. Total rules applied 540 place count 82 transition count 178
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 541 place count 82 transition count 177
Free-agglomeration rule applied 12 times.
Iterating global reduction 14 with 12 rules applied. Total rules applied 553 place count 82 transition count 165
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 14 with 21 rules applied. Total rules applied 574 place count 70 transition count 156
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 15 with 4 rules applied. Total rules applied 578 place count 70 transition count 152
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 581 place count 70 transition count 152
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 582 place count 70 transition count 152
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 583 place count 70 transition count 151
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 584 place count 69 transition count 150
Applied a total of 584 rules in 91 ms. Remains 69 /381 variables (removed 312) and now considering 150/660 (removed 510) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 69/381 places, 150/660 transitions.
RANDOM walk for 40000 steps (2877 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (788 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 42967 steps, run visited all 1 properties in 93 ms. (steps per millisecond=462 )
Probabilistic random walk after 42967 steps, saw 10578 distinct states, run finished after 99 ms. (steps per millisecond=434 ) properties seen :1
FORMULA CloudReconfiguration-PT-305-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_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 28009 ms.

BK_STOP 1748586475195

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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-305"
export BK_EXAMINATION="ReachabilityFireability"
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-305, 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 r044-tall-174854028100247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-305.tgz
mv CloudReconfiguration-PT-305 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.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 ;