Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300367.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-401, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 912K 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-401-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-401-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748603279756

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-401
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 11:08:00] [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 11:08:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 11:08:01] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2025-05-30 11:08:01] [INFO ] Transformed 3554 places.
[2025-05-30 11:08:01] [INFO ] Transformed 4263 transitions.
[2025-05-30 11:08:01] [INFO ] Found NUPN structural information;
[2025-05-30 11:08:01] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 282 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (223 resets) in 1983 ms. (20 steps per ms) remains 12/16 properties
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (50 resets) in 363 ms. (109 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (52 resets) in 316 ms. (126 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (20 resets) in 193 ms. (206 steps per ms) remains 12/12 properties
[2025-05-30 11:08:02] [INFO ] Flatten gal took : 535 ms
BEST_FIRST walk for 40003 steps (47 resets) in 416 ms. (95 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (51 resets) in 182 ms. (218 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (49 resets) in 150 ms. (264 steps per ms) remains 12/12 properties
[2025-05-30 11:08:02] [INFO ] Flatten gal took : 292 ms
BEST_FIRST walk for 40003 steps (49 resets) in 225 ms. (177 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (51 resets) in 157 ms. (253 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (51 resets) in 114 ms. (347 steps per ms) remains 12/12 properties
[2025-05-30 11:08:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2794434058034275190.gal : 109 ms
[2025-05-30 11:08:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17098627458541851377.prop : 3 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/ReachabilityCardinality2794434058034275190.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17098627458541851377.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (51 resets) in 873 ms. (45 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (51 resets) in 137 ms. (289 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (47 resets) in 171 ms. (232 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality17098627458541851377.prop.
// Phase 1: matrix 4263 rows 3554 cols
[2025-05-30 11:08:03] [INFO ] Computed 5 invariants in 104 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) 0/169 variables, 169/169 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3373/3542 variables, 5/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3542 variables, 3373/3547 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3542 variables, 0/3547 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 4253/7795 variables, 3542/7089 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 7795/7817 variables, and 7089 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5068 ms.
Refiners :[Domain max(s): 3542/3554 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 3542/3554 constraints, PredecessorRefiner: 12/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 169/169 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/169 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3373/3542 variables, 5/174 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3542 variables, 3373/3547 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3542 variables, 0/3547 constraints. Problems are: Problem set: 0 solved, 12 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
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :11 after 17
At refinement iteration 5 (OVERLAPS) 4253/7795 variables, 3542/7089 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :17 after 25
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :25 after 880
At refinement iteration 6 (INCLUDED_ONLY) 0/7795 variables, 8/7097 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7795/7817 variables, and 7097 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5035 ms.
Refiners :[Domain max(s): 3542/3554 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 3542/3554 constraints, PredecessorRefiner: 12/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10468ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 169 out of 3554 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 3661 edges and 3554 vertex of which 866 / 3554 are part of one of the 73 SCC in 19 ms
Free SCC test removed 793 places
Drop transitions (Empty/Sink Transition effects.) removed 974 transitions
Reduce isomorphic transitions removed 974 transitions.
Graph (complete) has 3661 edges and 2761 vertex of which 2744 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.8 ms
Discarding 17 places :
Also discarding 11 output transitions
Drop transitions (Output transitions of discarded places.) removed 11 transitions
SDD proceeding with computation,12 properties remain. new max is 8192
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
SDD size :880 after 7803
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1525 transitions
Trivial Post-agglo rules discarded 1525 transitions
Performed 1525 trivial Post agglomeration. Transition count delta: 1525
Iterating post reduction 0 with 1533 rules applied. Total rules applied 1535 place count 2744 transition count 1745
Reduce places removed 1525 places and 0 transitions.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 51 transitions
Trivial Post-agglo rules discarded 51 transitions
Performed 51 trivial Post agglomeration. Transition count delta: 51
Iterating post reduction 1 with 1652 rules applied. Total rules applied 3187 place count 1219 transition count 1618
Reduce places removed 51 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 56 rules applied. Total rules applied 3243 place count 1168 transition count 1613
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 166 Post agglomeration using F-continuation condition.Transition count delta: 166
Iterating post reduction 3 with 168 rules applied. Total rules applied 3411 place count 1167 transition count 1446
Reduce places removed 166 places and 0 transitions.
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 4 with 197 rules applied. Total rules applied 3608 place count 1001 transition count 1415
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 3613 place count 996 transition count 1415
Performed 50 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 50 Pre rules applied. Total rules applied 3613 place count 996 transition count 1365
Deduced a syphon composed of 50 places in 3 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 6 with 100 rules applied. Total rules applied 3713 place count 946 transition count 1365
Discarding 120 places :
Symmetric choice reduction at 6 with 120 rule applications. Total rules 3833 place count 826 transition count 1245
Iterating global reduction 6 with 120 rules applied. Total rules applied 3953 place count 826 transition count 1245
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 11 Pre rules applied. Total rules applied 3953 place count 826 transition count 1234
Deduced a syphon composed of 11 places in 2 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 6 with 22 rules applied. Total rules applied 3975 place count 815 transition count 1234
Discarding 68 places :
Symmetric choice reduction at 6 with 68 rule applications. Total rules 4043 place count 747 transition count 1166
Iterating global reduction 6 with 68 rules applied. Total rules applied 4111 place count 747 transition count 1166
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 6 with 26 rules applied. Total rules applied 4137 place count 747 transition count 1140
Reduce places removed 12 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 7 with 16 rules applied. Total rules applied 4153 place count 735 transition count 1136
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 8 with 3 rules applied. Total rules applied 4156 place count 733 transition count 1135
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 4157 place count 732 transition count 1135
Discarding 11 places :
Symmetric choice reduction at 10 with 11 rule applications. Total rules 4168 place count 721 transition count 1118
Iterating global reduction 10 with 11 rules applied. Total rules applied 4179 place count 721 transition count 1118
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 4181 place count 721 transition count 1116
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 4187 place count 715 transition count 1104
Iterating global reduction 11 with 6 rules applied. Total rules applied 4193 place count 715 transition count 1104
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 4195 place count 713 transition count 1100
Iterating global reduction 11 with 2 rules applied. Total rules applied 4197 place count 713 transition count 1100
Performed 234 Post agglomeration using F-continuation condition with reduction of 58 identical transitions.
Deduced a syphon composed of 234 places in 2 ms
Reduce places removed 234 places and 0 transitions.
Iterating global reduction 11 with 468 rules applied. Total rules applied 4665 place count 479 transition count 808
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 11 with 29 rules applied. Total rules applied 4694 place count 479 transition count 779
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 12 with 2 rules applied. Total rules applied 4696 place count 478 transition count 778
Performed 60 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 60 places in 1 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 12 with 120 rules applied. Total rules applied 4816 place count 418 transition count 826
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 12 with 38 rules applied. Total rules applied 4854 place count 418 transition count 788
Discarding 11 places :
Symmetric choice reduction at 13 with 11 rule applications. Total rules 4865 place count 407 transition count 765
Iterating global reduction 13 with 11 rules applied. Total rules applied 4876 place count 407 transition count 765
Drop transitions (Redundant composition of simpler transitions.) removed 59 transitions
Redundant transition composition rules discarded 59 transitions
Iterating global reduction 13 with 59 rules applied. Total rules applied 4935 place count 407 transition count 706
Discarding 1 places :
Symmetric choice reduction at 13 with 1 rule applications. Total rules 4936 place count 406 transition count 705
Iterating global reduction 13 with 1 rules applied. Total rules applied 4937 place count 406 transition count 705
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 4938 place count 406 transition count 704
Free-agglomeration rule applied 34 times.
Iterating global reduction 13 with 34 rules applied. Total rules applied 4972 place count 406 transition count 670
Reduce places removed 34 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 35 rules applied. Total rules applied 5007 place count 372 transition count 669
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 14 with 7 rules applied. Total rules applied 5014 place count 372 transition count 662
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 14 with 15 rules applied. Total rules applied 5029 place count 372 transition count 662
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 5030 place count 372 transition count 662
Applied a total of 5030 rules in 652 ms. Remains 372 /3554 variables (removed 3182) and now considering 662/4263 (removed 3601) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 658 ms. Remains : 372/3554 places, 662/4263 transitions.
RANDOM walk for 40000 steps (1442 resets) in 875 ms. (45 steps per ms) remains 8/12 properties
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (324 resets) in 172 ms. (231 steps per ms) remains 7/8 properties
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (345 resets) in 132 ms. (300 steps per ms) remains 7/7 properties
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :7803 after 61752
BEST_FIRST walk for 40003 steps (181 resets) in 85 ms. (465 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (293 resets) in 148 ms. (268 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (330 resets) in 47 ms. (833 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (344 resets) in 44 ms. (888 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (341 resets) in 138 ms. (287 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (49 resets) in 75 ms. (526 steps per ms) remains 7/7 properties
[2025-05-30 11:08:14] [INFO ] Flow matrix only has 651 transitions (discarded 11 similar events)
// Phase 1: matrix 651 rows 372 cols
[2025-05-30 11:08:14] [INFO ] Computed 3 invariants in 9 ms
[2025-05-30 11:08:14] [INFO ] State equation strengthened by 5 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) 0/115 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem CloudReconfiguration-PT-401-ReachabilityFireability-2025-06 is UNSAT
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 155/270 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 582/852 variables, 270/273 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/852 variables, 3/276 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/852 variables, 0/276 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 141/993 variables, 79/355 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/993 variables, 2/357 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/993 variables, 0/357 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 27/1020 variables, 20/377 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1020 variables, 0/377 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem CloudReconfiguration-PT-401-ReachabilityFireability-2025-04 is UNSAT
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 11 (OVERLAPS) 3/1023 variables, 3/380 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1023 variables, 0/380 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 0/1023 variables, 0/380 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1023/1023 variables, and 380 constraints, problems are : Problem set: 2 solved, 5 unsolved in 1169 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 372/372 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 7/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 185/245 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/245 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 517/762 variables, 245/248 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/762 variables, 3/251 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/762 variables, 0/251 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 170/932 variables, 70/321 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/932 variables, 2/323 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/932 variables, 3/326 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/932 variables, 0/326 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 66/998 variables, 40/366 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,12 properties remain. new max is 32768
SDD size :61752 after 496919
At refinement iteration 11 (INCLUDED_ONLY) 0/998 variables, 0/366 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 18/1016 variables, 13/379 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1016 variables, 0/379 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 6/1022 variables, 3/382 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1022 variables, 0/382 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 1/1023 variables, 1/383 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1023 variables, 0/383 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/1023 variables, 0/383 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1023/1023 variables, and 383 constraints, problems are : Problem set: 2 solved, 5 unsolved in 2935 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 372/372 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4141ms problems are : Problem set: 2 solved, 5 unsolved
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-09 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 2062 steps, including 61 resets, run visited all 1 properties in 4 ms. (steps per millisecond=515 )
FORMULA CloudReconfiguration-PT-401-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 493 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 18650 ms.

BK_STOP 1748603299667

--------------------
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-401"
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-401, 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-174854028300367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-401.tgz
mv CloudReconfiguration-PT-401 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 ;