Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r091-smll-174860108100287.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 FlexibleBarrier-PT-10b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r091-smll-174860108100287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K 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 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 9.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 374K 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 1748654416995

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-31 01:20:19] [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]
[2025-05-31 01:20:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 01:20:20] [INFO ] Load time of PNML (sax parser for PT used): 331 ms
[2025-05-31 01:20:20] [INFO ] Transformed 1402 places.
[2025-05-31 01:20:20] [INFO ] Transformed 1613 transitions.
[2025-05-31 01:20:20] [INFO ] Found NUPN structural information;
[2025-05-31 01:20:20] [INFO ] Parsed PT model containing 1402 places and 1613 transitions and 4025 arcs in 611 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1402/1402 places, 1613/1613 transitions.
Graph (trivial) has 1370 edges and 1402 vertex of which 62 / 1402 are part of one of the 10 SCC in 20 ms
Free SCC test removed 52 places
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 359 transitions
Trivial Post-agglo rules discarded 359 transitions
Performed 359 trivial Post agglomeration. Transition count delta: 359
Iterating post reduction 0 with 359 rules applied. Total rules applied 360 place count 1350 transition count 1201
Reduce places removed 359 places and 0 transitions.
Iterating post reduction 1 with 359 rules applied. Total rules applied 719 place count 991 transition count 1201
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 719 place count 991 transition count 1111
Deduced a syphon composed of 90 places in 14 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 899 place count 901 transition count 1111
Performed 575 Post agglomeration using F-continuation condition.Transition count delta: 575
Deduced a syphon composed of 575 places in 2 ms
Reduce places removed 575 places and 0 transitions.
Iterating global reduction 2 with 1150 rules applied. Total rules applied 2049 place count 326 transition count 536
Applied a total of 2049 rules in 372 ms. Remains 326 /1402 variables (removed 1076) and now considering 536/1613 (removed 1077) transitions.
[2025-05-31 01:20:20] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
// Phase 1: matrix 507 rows 326 cols
[2025-05-31 01:20:21] [INFO ] Computed 12 invariants in 38 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:20:22] [INFO ] Implicit Places using invariants in 1546 ms returned []
[2025-05-31 01:20:22] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2025-05-31 01:20:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 01:20:23] [INFO ] State equation strengthened by 61 read => feed constraints.
[2025-05-31 01:20:24] [INFO ] Implicit Places using invariants and state equation in 1788 ms returned []
Implicit Place search using SMT with State Equation took 3423 ms to find 0 implicit places.
Running 535 sub problems to find dead transitions.
[2025-05-31 01:20:24] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2025-05-31 01:20:24] [INFO ] Invariant cache hit.
[2025-05-31 01:20:24] [INFO ] State equation strengthened by 61 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/325 variables, 325/325 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/325 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 2 (OVERLAPS) 1/326 variables, 12/337 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 535 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 326/833 variables, and 338 constraints, problems are : Problem set: 0 solved, 535 unsolved in 30053 ms.
Refiners :[Domain max(s): 326/326 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/326 constraints, ReadFeed: 0/61 constraints, PredecessorRefiner: 535/535 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 535 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/325 variables, 325/325 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/325 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 2 (OVERLAPS) 1/326 variables, 12/337 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 5 (OVERLAPS) 506/832 variables, 326/664 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/832 variables, 60/724 constraints. Problems are: Problem set: 0 solved, 535 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/832 variables, 535/1259 constraints. Problems are: Problem set: 0 solved, 535 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 832/833 variables, and 1259 constraints, problems are : Problem set: 0 solved, 535 unsolved in 30028 ms.
Refiners :[Domain max(s): 326/326 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 326/326 constraints, ReadFeed: 60/61 constraints, PredecessorRefiner: 535/535 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61049ms problems are : Problem set: 0 solved, 535 unsolved
Search for dead transitions found 0 dead transitions in 61091ms
Starting structural reductions in LIVENESS mode, iteration 1 : 326/1402 places, 536/1613 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 64975 ms. Remains : 326/1402 places, 536/1613 transitions.
Discarding 303 transitions out of 536. Remains 233
Initial state reduction rules removed 1 formulas.
[2025-05-31 01:21:26] [INFO ] Flatten gal took : 301 ms
[2025-05-31 01:21:26] [INFO ] Flatten gal took : 327 ms
[2025-05-31 01:21:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14509842352420702622.gal : 68 ms
RANDOM walk for 40000 steps (2559 resets) in 5807 ms. (6 steps per ms) remains 181/232 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
[2025-05-31 01:21:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18310799205123504549.prop : 11 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/ReachabilityCardinality14509842352420702622.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18310799205123504549.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 404 steps (0 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties

BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 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 ...330
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
[2025-05-31 01:21:27] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2025-05-31 01:21:27] [INFO ] Invariant cache hit.
[2025-05-31 01:21:27] [INFO ] State equation strengthened by 61 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality18310799205123504549.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_444 is true.
Reachability property qltransition_443 is true.
Reachability property qltransition_442 is true.
Reachability property qltransition_441 is true.
Reachability property qltransition_440 is true.
Reachability property qltransition_439 is true.
Reachability property qltransition_438 is true.
Reachability property qltransition_437 is true.
Reachability property qltransition_436 is true.
Reachability property qltransition_435 is true.
SDD proceeding with computation,222 properties remain. new max is 2
SDD size :1 after 16
SDD proceeding with computation,222 properties remain. new max is 4
SDD size :16 after 222
SDD proceeding with computation,222 properties remain. new max is 8
SDD size :222 after 3169
SDD proceeding with computation,222 properties remain. new max is 16
SDD size :3169 after 62209
Reachability property qltransition_362 is true.
Reachability property qltransition_361 is true.
Reachability property qltransition_360 is true.
Reachability property qltransition_359 is true.
Reachability property qltransition_358 is true.
Reachability property qltransition_357 is true.
Reachability property qltransition_356 is true.
Reachability property qltransition_355 is true.
Reachability property qltransition_354 is true.
Reachability property qltransition_353 is true.
Reachability property qltransition_346 is true.
Reachability property qltransition_345 is true.
Reachability property qltransition_344 is true.
Reachability property qltransition_343 is true.
Reachability property qltransition_342 is true.
Reachability property qltransition_341 is true.
Reachability property qltransition_340 is true.
Reachability property qltransition_339 is true.
Reachability property qltransition_338 is true.
Reachability property qltransition_337 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/272 variables, 272/272 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Reachability property qltransition_330 is true.
Reachability property qltransition_329 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/272 variables, 0/272 constraints. Problems are: Problem set: 22 solved, 159 unsolved
At refinement iteration 2 (OVERLAPS) 54/326 variables, 12/284 constraints. Problems are: Problem set: 22 solved, 159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 54/338 constraints. Problems are: Problem set: 22 solved, 159 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 326/833 variables, and 338 constraints, problems are : Problem set: 22 solved, 159 unsolved in 5025 ms.
Refiners :[Domain max(s): 326/326 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/326 constraints, ReadFeed: 0/61 constraints, PredecessorRefiner: 181/181 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 22 solved, 159 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 239/239 constraints. Problems are: Problem set: 22 solved, 159 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 0/239 constraints. Problems are: Problem set: 22 solved, 159 unsolved
At refinement iteration 2 (OVERLAPS) 87/326 variables, 12/251 constraints. Problems are: Problem set: 22 solved, 159 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 87/338 constraints. Problems are: Problem set: 22 solved, 159 unsolved
Reachability property qltransition_328 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 326/833 variables, and 338 constraints, problems are : Problem set: 23 solved, 158 unsolved in 5017 ms.
Refiners :[Domain max(s): 326/326 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/326 constraints, ReadFeed: 0/61 constraints, PredecessorRefiner: 0/181 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10146ms problems are : Problem set: 23 solved, 158 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 238 out of 326 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 326/326 places, 536/536 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 326 transition count 506
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 42 place count 314 transition count 494
Iterating global reduction 1 with 12 rules applied. Total rules applied 54 place count 314 transition count 494
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 66 place count 314 transition count 482
Free-agglomeration rule applied 32 times.
Iterating global reduction 2 with 32 rules applied. Total rules applied 98 place count 314 transition count 450
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 2 with 32 rules applied. Total rules applied 130 place count 282 transition count 450
Applied a total of 130 rules in 186 ms. Remains 282 /326 variables (removed 44) and now considering 450/536 (removed 86) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 282/326 places, 450/536 transitions.
Reachability property qltransition_327 is true.
Reachability property qltransition_326 is true.
RANDOM walk for 4000000 steps (281431 resets) in 68376 ms. (58 steps per ms) remains 21/158 properties
BEST_FIRST walk for 400004 steps (226 resets) in 832 ms. (480 steps per ms) remains 18/21 properties
BEST_FIRST walk for 400004 steps (377 resets) in 573 ms. (696 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (378 resets) in 412 ms. (968 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (376 resets) in 311 ms. (1282 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (371 resets) in 274 ms. (1454 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (370 resets) in 288 ms. (1384 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (372 resets) in 301 ms. (1324 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (377 resets) in 314 ms. (1269 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (374 resets) in 339 ms. (1176 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (374 resets) in 361 ms. (1104 steps per ms) remains 18/18 properties
Reachability property qltransition_325 is true.
BEST_FIRST walk for 400004 steps (373 resets) in 290 ms. (1374 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (372 resets) in 293 ms. (1360 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (372 resets) in 323 ms. (1234 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (375 resets) in 322 ms. (1238 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (377 resets) in 343 ms. (1162 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (378 resets) in 333 ms. (1197 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (377 resets) in 354 ms. (1126 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (371 resets) in 343 ms. (1162 steps per ms) remains 18/18 properties
// Phase 1: matrix 450 rows 282 cols
[2025-05-31 01:21:58] [INFO ] Computed 12 invariants in 11 ms
[2025-05-31 01:21:58] [INFO ] State equation strengthened by 82 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 240/260 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/260 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 22/282 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Reachability property qltransition_324 is true.
At refinement iteration 5 (OVERLAPS) 450/732 variables, 282/294 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/732 variables, 82/376 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/732 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (OVERLAPS) 0/732 variables, 0/376 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 732/732 variables, and 376 constraints, problems are : Problem set: 0 solved, 18 unsolved in 2608 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 282/282 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Reachability property qltransition_323 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 240/260 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Reachability property qltransition_322 is true.
At refinement iteration 2 (INCLUDED_ONLY) 0/260 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 22/282 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Reachability property qltransition_321 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 450/732 variables, 282/294 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/732 variables, 82/376 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/732 variables, 18/394 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/732 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 0/732 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 732/732 variables, and 394 constraints, problems are : Problem set: 0 solved, 18 unsolved in 3884 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 282/282 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6529ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 17 different solutions.
Finished Parikh walk after 656 steps, including 21 resets, run visited all 2 properties in 8 ms. (steps per millisecond=82 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 18 properties in 892 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 233 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 105993 ms.

BK_STOP 1748654525836

--------------------
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="FlexibleBarrier-PT-10b"
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 FlexibleBarrier-PT-10b, 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 r091-smll-174860108100287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b 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 ;