Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028100263.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)
...................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-307, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028100263
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1012K
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K 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 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K 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-307-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-307-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748588254113

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-307
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 06:57:35] [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 06:57:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:57:35] [INFO ] Load time of PNML (sax parser for PT used): 159 ms
[2025-05-30 06:57:35] [INFO ] Transformed 2584 places.
[2025-05-30 06:57:35] [INFO ] Transformed 3094 transitions.
[2025-05-30 06:57:35] [INFO ] Found NUPN structural information;
[2025-05-30 06:57:35] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 268 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (357 resets) in 1785 ms. (22 steps per ms) remains 14/16 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (105 resets) in 430 ms. (92 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (97 resets) in 326 ms. (122 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (104 resets) in 406 ms. (98 steps per ms) remains 14/14 properties
[2025-05-30 06:57:36] [INFO ] Flatten gal took : 238 ms
BEST_FIRST walk for 40004 steps (103 resets) in 313 ms. (127 steps per ms) remains 13/14 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (105 resets) in 192 ms. (207 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (102 resets) in 239 ms. (166 steps per ms) remains 13/13 properties
[2025-05-30 06:57:36] [INFO ] Flatten gal took : 183 ms
BEST_FIRST walk for 40004 steps (45 resets) in 364 ms. (109 steps per ms) remains 13/13 properties
[2025-05-30 06:57:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11226254214209252044.gal : 107 ms
BEST_FIRST walk for 40004 steps (102 resets) in 229 ms. (173 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 06:57:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1120215472634691603.prop : 7 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/ReachabilityCardinality11226254214209252044.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1120215472634691603.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (105 resets) in 169 ms. (235 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK

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 ...329
BEST_FIRST walk for 40003 steps (101 resets) in 247 ms. (161 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (103 resets) in 118 ms. (336 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (107 resets) in 155 ms. (256 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (101 resets) in 120 ms. (330 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality1120215472634691603.prop.
// Phase 1: matrix 3094 rows 2584 cols
[2025-05-30 06:57:37] [INFO ] Computed 4 invariants in 69 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) 0/176 variables, 176/176 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/176 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2398/2574 variables, 4/180 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2398/2578 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) 3086/5660 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5660 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
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
At refinement iteration 7 (OVERLAPS) 3/5663 variables, 2/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
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 8
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :8 after 10
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :10 after 18
At refinement iteration 8 (INCLUDED_ONLY) 0/5663 variables, 2/5156 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :18 after 115
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :115 after 2303
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5663/5678 variables, and 5156 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5057 ms.
Refiners :[Domain max(s): 2576/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2584 constraints, PredecessorRefiner: 11/9 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
Reachability property CloudReconfiguration-PT-307-ReachabilityFireability-2025-08 is true.
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :2303 after 5542
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 176/176 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/176 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :5542 after 15297
At refinement iteration 2 (OVERLAPS) 2398/2574 variables, 4/180 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2398/2578 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
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :15297 after 91287
Problem CloudReconfiguration-PT-307-ReachabilityFireability-2025-09 is UNSAT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem CloudReconfiguration-PT-307-ReachabilityFireability-2025-15 is UNSAT
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 3086/5660 variables, 2574/5152 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5660 variables, 8/5160 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5660/5678 variables, and 5160 constraints, problems are : Problem set: 2 solved, 9 unsolved in 5017 ms.
Refiners :[Domain max(s): 2574/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2584 constraints, PredecessorRefiner: 10/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10257ms problems are : Problem set: 2 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 120 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2648 edges and 2584 vertex of which 531 / 2584 are part of one of the 51 SCC in 10 ms
Free SCC test removed 480 places
Drop transitions (Empty/Sink Transition effects.) removed 587 transitions
Reduce isomorphic transitions removed 587 transitions.
Graph (complete) has 2785 edges and 2104 vertex of which 2090 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 5 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1192 transitions
Trivial Post-agglo rules discarded 1192 transitions
Performed 1192 trivial Post agglomeration. Transition count delta: 1192
Iterating post reduction 0 with 1199 rules applied. Total rules applied 1201 place count 2090 transition count 1299
Reduce places removed 1192 places and 0 transitions.
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 42 transitions
Trivial Post-agglo rules discarded 42 transitions
Performed 42 trivial Post agglomeration. Transition count delta: 42
Iterating post reduction 1 with 1298 rules applied. Total rules applied 2499 place count 898 transition count 1193
Reduce places removed 42 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 46 rules applied. Total rules applied 2545 place count 856 transition count 1189
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 2548 place count 855 transition count 1187
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 2552 place count 854 transition count 1184
Reduce places removed 2 places and 0 transitions.
Performed 108 Post agglomeration using F-continuation condition.Transition count delta: 108
Iterating post reduction 5 with 110 rules applied. Total rules applied 2662 place count 852 transition count 1076
Reduce places removed 108 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 117 rules applied. Total rules applied 2779 place count 744 transition count 1067
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 2780 place count 743 transition count 1067
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 34 Pre rules applied. Total rules applied 2780 place count 743 transition count 1033
Deduced a syphon composed of 34 places in 2 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 8 with 68 rules applied. Total rules applied 2848 place count 709 transition count 1033
Discarding 100 places :
Symmetric choice reduction at 8 with 100 rule applications. Total rules 2948 place count 609 transition count 933
Iterating global reduction 8 with 100 rules applied. Total rules applied 3048 place count 609 transition count 933
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 8 with 15 rules applied. Total rules applied 3063 place count 609 transition count 918
Reduce places removed 3 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 9 with 5 rules applied. Total rules applied 3068 place count 606 transition count 916
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 3071 place count 605 transition count 914
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 11 with 6 rules applied. Total rules applied 3077 place count 604 transition count 909
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 3081 place count 600 transition count 909
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 5 Pre rules applied. Total rules applied 3081 place count 600 transition count 904
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 13 with 10 rules applied. Total rules applied 3091 place count 595 transition count 904
Discarding 53 places :
Symmetric choice reduction at 13 with 53 rule applications. Total rules 3144 place count 542 transition count 851
Iterating global reduction 13 with 53 rules applied. Total rules applied 3197 place count 542 transition count 851
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 13 with 19 rules applied. Total rules applied 3216 place count 542 transition count 832
Reduce places removed 9 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 14 with 13 rules applied. Total rules applied 3229 place count 533 transition count 828
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 15 with 3 rules applied. Total rules applied 3232 place count 531 transition count 827
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 3233 place count 530 transition count 827
Discarding 11 places :
Symmetric choice reduction at 17 with 11 rule applications. Total rules 3244 place count 519 transition count 809
Iterating global reduction 17 with 11 rules applied. Total rules applied 3255 place count 519 transition count 809
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 3257 place count 519 transition count 807
Discarding 4 places :
Symmetric choice reduction at 18 with 4 rule applications. Total rules 3261 place count 515 transition count 799
Iterating global reduction 18 with 4 rules applied. Total rules applied 3265 place count 515 transition count 799
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3266 place count 514 transition count 797
Iterating global reduction 18 with 1 rules applied. Total rules applied 3267 place count 514 transition count 797
Performed 162 Post agglomeration using F-continuation condition with reduction of 52 identical transitions.
Deduced a syphon composed of 162 places in 1 ms
Reduce places removed 162 places and 0 transitions.
Iterating global reduction 18 with 324 rules applied. Total rules applied 3591 place count 352 transition count 583
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 18 with 13 rules applied. Total rules applied 3604 place count 352 transition count 570
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 19 with 2 rules applied. Total rules applied 3606 place count 351 transition count 569
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 19 with 2 rules applied. Total rules applied 3608 place count 351 transition count 567
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 20 with 2 rules applied. Total rules applied 3610 place count 350 transition count 566
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 3612 place count 350 transition count 564
Performed 46 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 46 places in 1 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 21 with 92 rules applied. Total rules applied 3704 place count 304 transition count 588
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 21 with 27 rules applied. Total rules applied 3731 place count 304 transition count 561
Discarding 11 places :
Symmetric choice reduction at 22 with 11 rule applications. Total rules 3742 place count 293 transition count 538
Iterating global reduction 22 with 11 rules applied. Total rules applied 3753 place count 293 transition count 538
Discarding 1 places :
Symmetric choice reduction at 22 with 1 rule applications. Total rules 3754 place count 292 transition count 536
Iterating global reduction 22 with 1 rules applied. Total rules applied 3755 place count 292 transition count 536
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 22 with 1 rules applied. Total rules applied 3756 place count 292 transition count 535
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 23 with 37 rules applied. Total rules applied 3793 place count 292 transition count 498
Free-agglomeration rule applied 25 times.
Iterating global reduction 23 with 25 rules applied. Total rules applied 3818 place count 292 transition count 473
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 23 with 25 rules applied. Total rules applied 3843 place count 267 transition count 473
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 24 with 1 rules applied. Total rules applied 3844 place count 267 transition count 472
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 24 with 15 rules applied. Total rules applied 3859 place count 267 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 24 with 1 rules applied. Total rules applied 3860 place count 267 transition count 471
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 24 with 3 rules applied. Total rules applied 3863 place count 267 transition count 471
Applied a total of 3863 rules in 646 ms. Remains 267 /2584 variables (removed 2317) and now considering 471/3094 (removed 2623) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 666 ms. Remains : 267/2584 places, 471/3094 transitions.
RANDOM walk for 40000 steps (21 resets) in 870 ms. (45 steps per ms) remains 8/9 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40000 steps (12 resets) in 267 ms. (149 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (21 resets) in 261 ms. (152 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (13 resets) in 183 ms. (217 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (18 resets) in 217 ms. (183 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (16 resets) in 241 ms. (165 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (13 resets) in 131 ms. (303 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (32 resets) in 139 ms. (285 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (29 resets) in 159 ms. (250 steps per ms) remains 8/8 properties
[2025-05-30 06:57:49] [INFO ] Flow matrix only has 464 transitions (discarded 7 similar events)
// Phase 1: matrix 464 rows 267 cols
[2025-05-30 06:57:49] [INFO ] Computed 2 invariants in 9 ms
[2025-05-30 06:57:49] [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) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 98/165 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 336/501 variables, 165/167 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 156/657 variables, 55/223 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/657 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/657 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 63/720 variables, 38/263 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/720 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/720 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (OVERLAPS) 10/730 variables, 8/272 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/730 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 1/731 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/731 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 0/731 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 731/731 variables, and 273 constraints, problems are : Problem set: 0 solved, 8 unsolved in 1181 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 267/267 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 98/165 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 336/501 variables, 165/167 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 3/171 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/501 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 156/657 variables, 55/226 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/657 variables, 2/228 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/657 variables, 5/233 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/657 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 63/720 variables, 38/271 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/720 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:57:51] [INFO ] Deduced a trap composed of 52 places in 58 ms of which 9 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/720 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/720 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 10/730 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/730 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 1/731 variables, 1/282 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/731 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 0/731 variables, 0/282 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 731/731 variables, and 282 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5211 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 267/267 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6434ms problems are : Problem set: 0 solved, 8 unsolved
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-14 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-13 TRUE TECHNIQUES PARIKH_WALK
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :91287 after 2.71436e+06
Parikh walk visited 4 properties in 3462 ms.
Support contains 46 out of 267 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 267/267 places, 471/471 transitions.
Graph (trivial) has 225 edges and 267 vertex of which 43 / 267 are part of one of the 18 SCC in 0 ms
Free SCC test removed 25 places
Drop transitions (Empty/Sink Transition effects.) removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 31 rules applied. Total rules applied 32 place count 242 transition count 395
Reduce places removed 31 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 39 rules applied. Total rules applied 71 place count 211 transition count 387
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 76 place count 206 transition count 387
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 11 Pre rules applied. Total rules applied 76 place count 206 transition count 376
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 98 place count 195 transition count 376
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 107 place count 186 transition count 362
Iterating global reduction 3 with 9 rules applied. Total rules applied 116 place count 186 transition count 362
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 6 rules applied. Total rules applied 122 place count 186 transition count 356
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 124 place count 185 transition count 355
Performed 22 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 5 with 44 rules applied. Total rules applied 168 place count 163 transition count 329
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 171 place count 163 transition count 326
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 172 place count 162 transition count 324
Iterating global reduction 6 with 1 rules applied. Total rules applied 173 place count 162 transition count 324
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 174 place count 162 transition count 323
Performed 13 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 7 with 26 rules applied. Total rules applied 200 place count 149 transition count 351
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 225 place count 149 transition count 326
Discarding 4 places :
Symmetric choice reduction at 8 with 4 rule applications. Total rules 229 place count 145 transition count 316
Iterating global reduction 8 with 4 rules applied. Total rules applied 233 place count 145 transition count 316
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 234 place count 145 transition count 315
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 235 place count 144 transition count 314
Iterating global reduction 9 with 1 rules applied. Total rules applied 236 place count 144 transition count 314
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 9 with 3 rules applied. Total rules applied 239 place count 144 transition count 311
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 10 with 17 rules applied. Total rules applied 256 place count 144 transition count 294
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 257 place count 143 transition count 292
Iterating global reduction 10 with 1 rules applied. Total rules applied 258 place count 143 transition count 292
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 259 place count 143 transition count 291
Free-agglomeration rule applied 9 times.
Iterating global reduction 11 with 9 rules applied. Total rules applied 268 place count 143 transition count 282
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 279 place count 134 transition count 280
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 12 with 7 rules applied. Total rules applied 286 place count 134 transition count 280
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 287 place count 134 transition count 279
Applied a total of 287 rules in 68 ms. Remains 134 /267 variables (removed 133) and now considering 279/471 (removed 192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 134/267 places, 279/471 transitions.
RANDOM walk for 40000 steps (8 resets) in 263 ms. (151 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 65 ms. (606 steps per ms) remains 3/4 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 67 ms. (588 steps per ms) remains 2/3 properties
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
[2025-05-30 06:57:59] [INFO ] Flow matrix only has 268 transitions (discarded 11 similar events)
// Phase 1: matrix 268 rows 134 cols
[2025-05-30 06:57:59] [INFO ] Computed 4 invariants in 2 ms
[2025-05-30 06:57:59] [INFO ] State equation strengthened by 24 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 99/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 266/396 variables, 130/134 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/396 variables, 22/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 6/402 variables, 4/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 2/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/402 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/402 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 402/402 variables, and 162 constraints, problems are : Problem set: 0 solved, 2 unsolved in 136 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 134/134 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 99/130 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:57:59] [INFO ] Deduced a trap composed of 35 places in 71 ms of which 12 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/130 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 266/396 variables, 130/135 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 22/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/396 variables, 2/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/396 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/402 variables, 4/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/402 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/402 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/402 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 402/402 variables, and 165 constraints, problems are : Problem set: 0 solved, 2 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 134/134 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 565ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 25 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=8 )
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-12 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-307-ReachabilityFireability-2025-04 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 7 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 24580 ms.

BK_STOP 1748588279935

--------------------
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-307"
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-307, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028100263"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-307.tgz
mv CloudReconfiguration-PT-307 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.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 ;