Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967600255.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CloudReconfiguration-PT-319, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600255
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Mar 6 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 661K Mar 3 18:30 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-319-ReachabilityFireability-2024-00
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779516441092

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-319
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 06:07:22] [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]
[2026-05-23 06:07:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 06:07:22] [INFO ] Load time of PNML (sax parser for PT used): 153 ms
[2026-05-23 06:07:22] [INFO ] Transformed 2587 places.
[2026-05-23 06:07:22] [INFO ] Transformed 3099 transitions.
[2026-05-23 06:07:22] [INFO ] Found NUPN structural information;
[2026-05-23 06:07:22] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 253 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (473 resets) in 1935 ms. (20 steps per ms) remains 13/16 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40000 steps (186 resets) in 498 ms. (80 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (190 resets) in 419 ms. (95 steps per ms) remains 12/12 properties
[2026-05-23 06:07:23] [INFO ] Flatten gal took : 389 ms
BEST_FIRST walk for 40003 steps (184 resets) in 176 ms. (226 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (176 resets) in 199 ms. (200 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (180 resets) in 206 ms. (193 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (179 resets) in 187 ms. (212 steps per ms) remains 11/11 properties
[2026-05-23 06:07:23] [INFO ] Flatten gal took : 229 ms
BEST_FIRST walk for 40002 steps (191 resets) in 231 ms. (172 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (175 resets) in 189 ms. (210 steps per ms) remains 11/11 properties
[2026-05-23 06:07:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2687842587485464639.gal : 107 ms
[2026-05-23 06:07:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6058553395884847018.prop : 9 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2687842587485464639.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6058553395884847018.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (169 resets) in 257 ms. (155 steps per ms) remains 11/11 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40002 steps (180 resets) in 243 ms. (163 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (169 resets) in 238 ms. (167 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40000 steps (192 resets) in 218 ms. (182 steps per ms) remains 11/11 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2230916648543958103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2019613718788734199.kers'
[2026-05-23 06:07:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2230916648543958103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2019613718788734199.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3099 rows 2587 cols 6479 entries
Loading property file /tmp/ReachabilityCardinality6058553395884847018.prop.
Finished phase 1 with 2582 SingleSign rule and 1 generalized
[2026-05-23 06:07:24] [INFO ] Computed 4 invariants in 17 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-2019613718788734199.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 154/154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2422/2576 variables, 4/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2422/2580 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :11 after 19
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 0/5156 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :19 after 332
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :332 after 2779
At refinement iteration 7 (OVERLAPS) 2/5667 variables, 1/5157 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5667 variables, 1/5158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5667/5686 variables, and 5158 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5049 ms.
Refiners :[Domain max(s): 2577/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2587 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
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 154/154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :2779 after 14894
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2422/2576 variables, 4/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2422/2580 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :14894 after 85825
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 8/5164 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5665/5686 variables, and 5164 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5028 ms.
Refiners :[Domain max(s): 2576/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2587 constraints, PredecessorRefiner: 11/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10261ms problems are : Problem set: 0 solved, 11 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 154 out of 2587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2590 edges and 2587 vertex of which 457 / 2587 are part of one of the 46 SCC in 31 ms
Free SCC test removed 411 places
Drop transitions (Empty/Sink Transition effects.) removed 508 transitions
Reduce isomorphic transitions removed 508 transitions.
Graph (complete) has 2877 edges and 2176 vertex of which 2163 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.7 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 5 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1187 transitions
Trivial Post-agglo rules discarded 1187 transitions
Performed 1187 trivial Post agglomeration. Transition count delta: 1187
Iterating post reduction 0 with 1194 rules applied. Total rules applied 1196 place count 2163 transition count 1389
Reduce places removed 1187 places and 0 transitions.
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 53 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 1278 rules applied. Total rules applied 2474 place count 976 transition count 1298
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 43 rules applied. Total rules applied 2517 place count 938 transition count 1293
Reduce places removed 1 places and 0 transitions.
Performed 129 Post agglomeration using F-continuation condition.Transition count delta: 129
Iterating post reduction 3 with 130 rules applied. Total rules applied 2647 place count 937 transition count 1164
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 156 rules applied. Total rules applied 2803 place count 808 transition count 1137
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 2805 place count 806 transition count 1137
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 39 Pre rules applied. Total rules applied 2805 place count 806 transition count 1098
Deduced a syphon composed of 39 places in 1 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 6 with 78 rules applied. Total rules applied 2883 place count 767 transition count 1098
Discarding 89 places :
Symmetric choice reduction at 6 with 89 rule applications. Total rules 2972 place count 678 transition count 1009
Iterating global reduction 6 with 89 rules applied. Total rules applied 3061 place count 678 transition count 1009
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 3062 place count 678 transition count 1008
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 7 Pre rules applied. Total rules applied 3062 place count 678 transition count 1001
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 3076 place count 671 transition count 1001
Discarding 51 places :
Symmetric choice reduction at 7 with 51 rule applications. Total rules 3127 place count 620 transition count 950
Iterating global reduction 7 with 51 rules applied. Total rules applied 3178 place count 620 transition count 950
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 7 with 17 rules applied. Total rules applied 3195 place count 620 transition count 933
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 8 with 12 rules applied. Total rules applied 3207 place count 612 transition count 929
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3209 place count 610 transition count 929
Discarding 8 places :
Symmetric choice reduction at 10 with 8 rule applications. Total rules 3217 place count 602 transition count 917
Iterating global reduction 10 with 8 rules applied. Total rules applied 3225 place count 602 transition count 917
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 3226 place count 602 transition count 916
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3229 place count 599 transition count 910
Iterating global reduction 11 with 3 rules applied. Total rules applied 3232 place count 599 transition count 910
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 3233 place count 598 transition count 908
Iterating global reduction 11 with 1 rules applied. Total rules applied 3234 place count 598 transition count 908
Performed 185 Post agglomeration using F-continuation condition with reduction of 69 identical transitions.
Deduced a syphon composed of 185 places in 1 ms
Reduce places removed 185 places and 0 transitions.
Iterating global reduction 11 with 370 rules applied. Total rules applied 3604 place count 413 transition count 654
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 11 with 7 rules applied. Total rules applied 3611 place count 413 transition count 647
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 12 with 6 rules applied. Total rules applied 3617 place count 410 transition count 644
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 3621 place count 410 transition count 640
Performed 47 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 47 places in 2 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 13 with 94 rules applied. Total rules applied 3715 place count 363 transition count 680
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 13 with 19 rules applied. Total rules applied 3734 place count 363 transition count 661
Discarding 7 places :
Symmetric choice reduction at 14 with 7 rule applications. Total rules 3741 place count 356 transition count 647
Iterating global reduction 14 with 7 rules applied. Total rules applied 3748 place count 356 transition count 647
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 14 with 37 rules applied. Total rules applied 3785 place count 356 transition count 610
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3787 place count 354 transition count 608
Iterating global reduction 14 with 2 rules applied. Total rules applied 3789 place count 354 transition count 608
Free-agglomeration rule applied 17 times.
Iterating global reduction 14 with 17 rules applied. Total rules applied 3806 place count 354 transition count 591
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 14 with 17 rules applied. Total rules applied 3823 place count 337 transition count 591
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 3826 place count 337 transition count 588
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 15 with 18 rules applied. Total rules applied 3844 place count 337 transition count 588
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 3845 place count 337 transition count 588
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 3846 place count 336 transition count 587
Applied a total of 3846 rules in 560 ms. Remains 336 /2587 variables (removed 2251) and now considering 587/3099 (removed 2512) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 565 ms. Remains : 336/2587 places, 587/3099 transitions.
RANDOM walk for 40000 steps (2550 resets) in 714 ms. (55 steps per ms) remains 8/11 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (743 resets) in 176 ms. (226 steps per ms) remains 7/8 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (743 resets) in 163 ms. (243 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (716 resets) in 145 ms. (273 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (749 resets) in 129 ms. (307 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (760 resets) in 141 ms. (281 steps per ms) remains 6/7 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (757 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (731 resets) in 88 ms. (449 steps per ms) remains 6/6 properties
[2026-05-23 06:07:35] [INFO ] Flow matrix only has 582 transitions (discarded 5 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1760950359401859075.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4515444619428261889.kers'
[2026-05-23 06:07:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1760950359401859075.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4515444619428261889.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 582 rows 336 cols 1450 entries
Finished phase 1 with 333 SingleSign rule and 0 generalized
[2026-05-23 06:07:35] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4515444619428261889.kers
Total runtime 3 ms.
[2026-05-23 06:07:35] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 234/293 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/293 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 545/838 variables, 293/296 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/838 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/838 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 58/896 variables, 29/328 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/896 variables, 2/330 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/896 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 15/911 variables, 10/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/911 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 6/917 variables, 3/343 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/917 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 1/918 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/918 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/918 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 918/918 variables, and 344 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1099 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 336/336 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 234/293 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/293 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 545/838 variables, 293/296 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/838 variables, 3/299 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/838 variables, 2/301 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/838 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 58/896 variables, 29/330 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/896 variables, 2/332 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/896 variables, 2/334 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/896 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 15/911 variables, 10/344 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/911 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/917 variables, 3/347 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/917 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 1/918 variables, 1/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/918 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/918 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 918/918 variables, and 348 constraints, problems are : Problem set: 0 solved, 6 unsolved in 2501 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 336/336 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3651ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 5 different solutions.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-13 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 528 ms.
Support contains 24 out of 336 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 336/336 places, 587/587 transitions.
Graph (trivial) has 367 edges and 336 vertex of which 93 / 336 are part of one of the 33 SCC in 1 ms
Free SCC test removed 60 places
Drop transitions (Empty/Sink Transition effects.) removed 104 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 111 transitions.
Graph (complete) has 654 edges and 276 vertex of which 275 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 53 transitions
Trivial Post-agglo rules discarded 53 transitions
Performed 53 trivial Post agglomeration. Transition count delta: 53
Iterating post reduction 0 with 54 rules applied. Total rules applied 56 place count 275 transition count 422
Reduce places removed 53 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 1 with 60 rules applied. Total rules applied 116 place count 222 transition count 415
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 3 rules applied. Total rules applied 119 place count 221 transition count 413
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 122 place count 219 transition count 412
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 24 Pre rules applied. Total rules applied 122 place count 219 transition count 388
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 170 place count 195 transition count 388
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 178 place count 187 transition count 376
Iterating global reduction 4 with 8 rules applied. Total rules applied 186 place count 187 transition count 376
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 190 place count 187 transition count 372
Discarding 2 places :
Symmetric choice reduction at 5 with 2 rule applications. Total rules 192 place count 185 transition count 370
Iterating global reduction 5 with 2 rules applied. Total rules applied 194 place count 185 transition count 370
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 198 place count 185 transition count 366
Performed 44 Post agglomeration using F-continuation condition with reduction of 11 identical transitions.
Deduced a syphon composed of 44 places in 0 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 6 with 88 rules applied. Total rules applied 286 place count 141 transition count 311
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 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 6 with 27 rules applied. Total rules applied 313 place count 141 transition count 284
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 315 place count 140 transition count 283
Discarding 5 places :
Symmetric choice reduction at 8 with 5 rule applications. Total rules 320 place count 135 transition count 274
Iterating global reduction 8 with 5 rules applied. Total rules applied 325 place count 135 transition count 274
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 328 place count 135 transition count 271
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 9 with 2 rules applied. Total rules applied 330 place count 134 transition count 270
Performed 19 Post agglomeration using F-continuation condition with reduction of 8 identical transitions.
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 9 with 38 rules applied. Total rules applied 368 place count 115 transition count 286
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 9 with 23 rules applied. Total rules applied 391 place count 115 transition count 263
Discarding 10 places :
Symmetric choice reduction at 10 with 10 rule applications. Total rules 401 place count 105 transition count 242
Iterating global reduction 10 with 10 rules applied. Total rules applied 411 place count 105 transition count 242
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 416 place count 105 transition count 237
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 11 with 19 rules applied. Total rules applied 435 place count 105 transition count 218
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 436 place count 104 transition count 217
Iterating global reduction 11 with 1 rules applied. Total rules applied 437 place count 104 transition count 217
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 438 place count 103 transition count 216
Iterating global reduction 11 with 1 rules applied. Total rules applied 439 place count 103 transition count 216
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 440 place count 103 transition count 215
Free-agglomeration rule applied 5 times.
Iterating global reduction 12 with 5 rules applied. Total rules applied 445 place count 103 transition count 210
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 450 place count 98 transition count 210
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 13 with 3 rules applied. Total rules applied 453 place count 98 transition count 210
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 454 place count 98 transition count 209
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 14 with 2 rules applied. Total rules applied 456 place count 98 transition count 209
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 14 with 1 rules applied. Total rules applied 457 place count 97 transition count 208
Applied a total of 457 rules in 65 ms. Remains 97 /336 variables (removed 239) and now considering 208/587 (removed 379) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 97/336 places, 208/587 transitions.
RANDOM walk for 39621 steps (5504 resets) in 548 ms. (72 steps per ms) remains 0/1 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_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 17815 ms.

BK_STOP 1779516460084

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-319"
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 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-319, 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 r066-tall-177946967600255"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-319.tgz
mv CloudReconfiguration-PT-319 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 ;