Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r049-tall-174854035500027.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 CloudDeployment-PT-4b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r049-tall-174854035500027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1008K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 591K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748586217987

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-4b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-30 06:23:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-30 06:23:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:23:39] [INFO ] Load time of PNML (sax parser for PT used): 136 ms
[2025-05-30 06:23:39] [INFO ] Transformed 1182 places.
[2025-05-30 06:23:39] [INFO ] Transformed 1824 transitions.
[2025-05-30 06:23:39] [INFO ] Found NUPN structural information;
[2025-05-30 06:23:39] [INFO ] Parsed PT model containing 1182 places and 1824 transitions and 8741 arcs in 242 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1182/1182 places, 1824/1824 transitions.
Graph (trivial) has 1202 edges and 1182 vertex of which 336 / 1182 are part of one of the 32 SCC in 7 ms
Free SCC test removed 304 places
Ensure Unique test removed 340 transitions
Reduce isomorphic transitions removed 340 transitions.
Ensure Unique test removed 1 places
Reduce places removed 5 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 432 transitions
Trivial Post-agglo rules discarded 432 transitions
Performed 432 trivial Post agglomeration. Transition count delta: 432
Iterating post reduction 0 with 437 rules applied. Total rules applied 438 place count 873 transition count 1052
Reduce places removed 432 places and 0 transitions.
Iterating post reduction 1 with 432 rules applied. Total rules applied 870 place count 441 transition count 1052
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 870 place count 441 transition count 1036
Deduced a syphon composed of 16 places in 7 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 902 place count 425 transition count 1036
Performed 240 Post agglomeration using F-continuation condition.Transition count delta: 240
Deduced a syphon composed of 240 places in 2 ms
Reduce places removed 240 places and 0 transitions.
Iterating global reduction 2 with 480 rules applied. Total rules applied 1382 place count 185 transition count 796
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1394 place count 185 transition count 784
Performed 24 Post agglomeration using F-continuation condition with reduction of 56 identical transitions.
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 1442 place count 161 transition count 876
Applied a total of 1442 rules in 174 ms. Remains 161 /1182 variables (removed 1021) and now considering 876/1824 (removed 948) transitions.
[2025-05-30 06:23:39] [INFO ] Flow matrix only has 745 transitions (discarded 131 similar events)
// Phase 1: matrix 745 rows 161 cols
[2025-05-30 06:23:39] [INFO ] Computed 12 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:23:40] [INFO ] Implicit Places using invariants in 604 ms returned []
[2025-05-30 06:23:40] [INFO ] Flow matrix only has 745 transitions (discarded 131 similar events)
[2025-05-30 06:23:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:23:40] [INFO ] State equation strengthened by 205 read => feed constraints.
[2025-05-30 06:23:43] [INFO ] Implicit Places using invariants and state equation in 3601 ms returned []
Implicit Place search using SMT with State Equation took 4238 ms to find 0 implicit places.
Running 875 sub problems to find dead transitions.
[2025-05-30 06:23:43] [INFO ] Flow matrix only has 745 transitions (discarded 131 similar events)
[2025-05-30 06:23:43] [INFO ] Invariant cache hit.
[2025-05-30 06:23:43] [INFO ] State equation strengthened by 205 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 12/172 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/160 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 3 (OVERLAPS) 744/904 variables, 160/332 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/904 variables, 204/536 constraints. Problems are: Problem set: 0 solved, 875 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 904/906 variables, and 536 constraints, problems are : Problem set: 0 solved, 875 unsolved in 30029 ms.
Refiners :[Domain max(s): 160/161 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 160/161 constraints, ReadFeed: 204/205 constraints, PredecessorRefiner: 875/618 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 875 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 12/172 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/160 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 3 (OVERLAPS) 744/904 variables, 160/332 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/904 variables, 204/536 constraints. Problems are: Problem set: 0 solved, 875 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/904 variables, 618/1154 constraints. Problems are: Problem set: 0 solved, 875 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 904/906 variables, and 1154 constraints, problems are : Problem set: 0 solved, 875 unsolved in 30027 ms.
Refiners :[Domain max(s): 160/161 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 160/161 constraints, ReadFeed: 204/205 constraints, PredecessorRefiner: 875/618 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61652ms problems are : Problem set: 0 solved, 875 unsolved
Search for dead transitions found 0 dead transitions in 61677ms
Starting structural reductions in LIVENESS mode, iteration 1 : 161/1182 places, 876/1824 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 66131 ms. Remains : 161/1182 places, 876/1824 transitions.
Discarding 443 transitions out of 876. Remains 433
Initial state reduction rules removed 1 formulas.
[2025-05-30 06:24:46] [INFO ] Flatten gal took : 415 ms
RANDOM walk for 40000 steps (1724 resets) in 4138 ms. (9 steps per ms) remains 350/432 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 350/350 properties
[2025-05-30 06:24:46] [INFO ] Flatten gal took : 199 ms
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 350/350 properties
[2025-05-30 06:24:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4058828107369317443.gal : 52 ms
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
[2025-05-30 06:24:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4024896685104258029.prop : 10 ms
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
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/ReachabilityCardinality4058828107369317443.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4024896685104258029.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties

BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 350/350 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 350/350 properties
[2025-05-30 06:24:47] [INFO ] Flow matrix only has 745 transitions (discarded 131 similar events)
[2025-05-30 06:24:47] [INFO ] Invariant cache hit.
[2025-05-30 06:24:47] [INFO ] State equation strengthened by 205 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality4024896685104258029.prop.
SDD proceeding with computation,350 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,350 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,350 properties remain. new max is 16
SDD size :26 after 241
SDD proceeding with computation,350 properties remain. new max is 32
SDD size :241 after 1032
SDD proceeding with computation,350 properties remain. new max is 64
SDD size :1032 after 1073
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,350 properties remain. new max is 128
SDD size :1073 after 2141
Reachability property qltransition_366 is true.
Reachability property qltransition_363 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_72 is true.
SDD proceeding with computation,346 properties remain. new max is 128
SDD size :2141 after 5941
SDD proceeding with computation,346 properties remain. new max is 256
SDD size :5941 after 11977
SDD proceeding with computation,346 properties remain. new max is 512
SDD size :11977 after 21721
Reachability property qltransition_392 is true.
Reachability property qltransition_383 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/129 variables, 129/129 constraints. Problems are: Problem set: 2 solved, 348 unsolved
Reachability property qltransition_53 is true.
Reachability property qltransition_50 is true.
SDD proceeding with computation,342 properties remain. new max is 512
SDD size :21721 after 344413
SDD proceeding with computation,342 properties remain. new max is 1024
SDD size :344413 after 1.68912e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/129 variables, 0/129 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 28/157 variables, 12/141 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 28/169 constraints. Problems are: Problem set: 8 solved, 342 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 157/906 variables, and 169 constraints, problems are : Problem set: 8 solved, 342 unsolved in 5025 ms.
Refiners :[Domain max(s): 157/161 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 0/161 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 350/93 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 342 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 121/121 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/121 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 28/149 variables, 12/133 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/149 variables, 28/161 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/161 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 738/887 variables, 149/310 constraints. Problems are: Problem set: 8 solved, 342 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/887 variables, 200/510 constraints. Problems are: Problem set: 8 solved, 342 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 887/906 variables, and 525 constraints, problems are : Problem set: 8 solved, 342 unsolved in 5021 ms.
Refiners :[Domain max(s): 149/161 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 149/161 constraints, ReadFeed: 200/205 constraints, PredecessorRefiner: 272/93 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10876ms problems are : Problem set: 8 solved, 342 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 121 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 876/876 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 161 transition count 840
Drop transitions (Redundant composition of simpler transitions.) removed 68 transitions
Redundant transition composition rules discarded 68 transitions
Iterating global reduction 1 with 68 rules applied. Total rules applied 104 place count 161 transition count 772
Applied a total of 104 rules in 66 ms. Remains 161 /161 variables (removed 0) and now considering 772/876 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 161/161 places, 772/876 transitions.
Reachability property qltransition_818 is true.
Reachability property qltransition_816 is true.
Reachability property qltransition_814 is true.
Reachability property qltransition_812 is true.
Reachability property qltransition_796 is true.
Reachability property qltransition_770 is true.
Reachability property qltransition_762 is true.
Reachability property qltransition_760 is true.
Reachability property qltransition_758 is true.
Reachability property qltransition_756 is true.
Reachability property qltransition_740 is true.
Reachability property qltransition_714 is true.
Reachability property qltransition_706 is true.
RANDOM walk for 4000000 steps (167964 resets) in 107250 ms. (37 steps per ms) remains 336/342 properties
BEST_FIRST walk for 40004 steps (128 resets) in 161 ms. (246 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (131 resets) in 181 ms. (219 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (134 resets) in 181 ms. (219 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (135 resets) in 161 ms. (246 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (178 resets) in 187 ms. (212 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (184 resets) in 187 ms. (212 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (210 resets) in 159 ms. (250 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (230 resets) in 183 ms. (217 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (181 resets) in 171 ms. (232 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (192 resets) in 173 ms. (229 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (217 resets) in 155 ms. (256 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (228 resets) in 143 ms. (277 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (222 resets) in 148 ms. (268 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (223 resets) in 156 ms. (254 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (250 resets) in 152 ms. (261 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (263 resets) in 149 ms. (266 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (228 resets) in 141 ms. (281 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (232 resets) in 170 ms. (233 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (262 resets) in 126 ms. (314 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (269 resets) in 157 ms. (253 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (163 resets) in 126 ms. (314 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (178 resets) in 125 ms. (317 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (200 resets) in 156 ms. (254 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40002 steps (213 resets) in 177 ms. (224 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (177 resets) in 137 ms. (289 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (182 resets) in 140 ms. (283 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (212 resets) in 128 ms. (310 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (221 resets) in 155 ms. (256 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (205 resets) in 157 ms. (253 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (215 resets) in 196 ms. (203 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (243 resets) in 164 ms. (242 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (253 resets) in 140 ms. (283 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (216 resets) in 158 ms. (251 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (218 resets) in 153 ms. (259 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40002 steps (251 resets) in 170 ms. (233 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (258 resets) in 139 ms. (285 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (137 resets) in 124 ms. (320 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (153 resets) in 143 ms. (277 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (175 resets) in 141 ms. (281 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (188 resets) in 141 ms. (281 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (155 resets) in 135 ms. (294 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (156 resets) in 150 ms. (264 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (188 resets) in 144 ms. (275 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (190 resets) in 152 ms. (261 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (176 resets) in 146 ms. (272 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (182 resets) in 154 ms. (258 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (218 resets) in 141 ms. (281 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (219 resets) in 138 ms. (287 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40004 steps (190 resets) in 130 ms. (305 steps per ms) remains 336/336 properties
BEST_FIRST walk for 40003 steps (197 resets) in 129 ms. (307 steps per ms) remains 336/336 properties
Reachability property qltransition_704 is true.
Reachability property qltransition_702 is true.
Reachability property qltransition_700 is true.
Reachability property qltransition_684 is true.
Reachability property qltransition_658 is true.
Reachability property qltransition_608 is true.
Reachability property qltransition_604 is true.
Reachability property qltransition_600 is true.
Reachability property qltransition_596 is true.
Reachability property qltransition_572 is true.
Reachability property qltransition_568 is true.
Reachability property qltransition_564 is true.
Reachability property qltransition_560 is true.
Reachability property qltransition_556 is true.
Reachability property qltransition_552 is true.
Reachability property qltransition_548 is true.
Reachability property qltransition_544 is true.
Reachability property qltransition_540 is true.
Reachability property qltransition_536 is true.
Reachability property qltransition_532 is true.
Probabilistic random walk after 10000001 steps, saw 1212162 distinct states, run finished after 58782 ms. (steps per millisecond=170 ) properties seen :0
[2025-05-30 06:26:26] [INFO ] Flow matrix only has 676 transitions (discarded 96 similar events)
// Phase 1: matrix 676 rows 161 cols
[2025-05-30 06:26:26] [INFO ] Computed 12 invariants in 9 ms
[2025-05-30 06:26:26] [INFO ] State equation strengthened by 152 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 87/87 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 2 (OVERLAPS) 34/121 variables, 12/99 constraints. Problems are: Problem set: 0 solved, 305 unsolved
Reachability property qltransition_528 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 34/133 constraints. Problems are: Problem set: 0 solved, 305 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/133 constraints. Problems are: Problem set: 1 solved, 304 unsolved
At refinement iteration 5 (OVERLAPS) 640/761 variables, 121/254 constraints. Problems are: Problem set: 1 solved, 304 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/761 variables, 130/384 constraints. Problems are: Problem set: 1 solved, 304 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/761 variables, 0/384 constraints. Problems are: Problem set: 1 solved, 304 unsolved
Problem qltransition_90 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 15167ms, After SMT, problems are : Problem set: 2 solved, 303 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 86 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 772/772 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 159 transition count 785
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 159 transition count 783
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 1 with 14 rules applied. Total rules applied 20 place count 159 transition count 769
Free-agglomeration rule applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 26 place count 159 transition count 763
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 47 place count 153 transition count 748
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 152 transition count 743
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 152 transition count 743
Applied a total of 49 rules in 68 ms. Remains 152 /161 variables (removed 9) and now considering 743/772 (removed 29) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 152/161 places, 743/772 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 182993 ms.

BK_STOP 1748586402551

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CloudDeployment-PT-4b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 CloudDeployment-PT-4b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r049-tall-174854035500027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-4b.tgz
mv CloudDeployment-PT-4b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;