Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r144-smll-177955812600227.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
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 r144-smll-177955812600227
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 7.6K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 10:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 374K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779636251206

Invoking MCC driver with
GOLD_TOOL=
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
[2026-05-24 15:24:13] [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]
[2026-05-24 15:24:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:24:14] [INFO ] Load time of PNML (sax parser for PT used): 343 ms
[2026-05-24 15:24:14] [INFO ] Transformed 1402 places.
[2026-05-24 15:24:14] [INFO ] Transformed 1613 transitions.
[2026-05-24 15:24:14] [INFO ] Found NUPN structural information;
[2026-05-24 15:24:14] [INFO ] Parsed PT model containing 1402 places and 1613 transitions and 4025 arcs in 588 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 13 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 8 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 1 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 260 ms. Remains 326 /1402 variables (removed 1076) and now considering 536/1613 (removed 1077) transitions.
[2026-05-24 15:24:14] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
// Phase 1: matrix 507 rows 326 cols
[2026-05-24 15:24:14] [INFO ] Computed 12 invariants in 41 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 15:24:16] [INFO ] Implicit Places using invariants in 1478 ms returned []
[2026-05-24 15:24:16] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2026-05-24 15:24:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 15:24:16] [INFO ] State equation strengthened by 61 read => feed constraints.
[2026-05-24 15:24:18] [INFO ] Implicit Places using invariants and state equation in 1849 ms returned []
Implicit Place search using SMT with State Equation took 3381 ms to find 0 implicit places.
Running 535 sub problems to find dead transitions.
[2026-05-24 15:24:18] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2026-05-24 15:24:18] [INFO ] Invariant cache hit.
[2026-05-24 15:24:18] [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
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
SMT process timed out in 31062ms, After SMT, problems are : Problem set: 0 solved, 535 unsolved
Search for dead transitions found 0 dead transitions in 31099ms
Starting structural reductions in LIVENESS mode, iteration 1 : 326/1402 places, 536/1613 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 34791 ms. Remains : 326/1402 places, 536/1613 transitions.
Discarding 303 transitions out of 536. Remains 233
Initial state reduction rules removed 1 formulas.
[2026-05-24 15:24:50] [INFO ] Flatten gal took : 320 ms
[2026-05-24 15:24:50] [INFO ] Flatten gal took : 137 ms
[2026-05-24 15:24:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2060594370898134092.gal : 68 ms
[2026-05-24 15:24:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17073559635441224828.prop : 16 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/ReachabilityCardinality2060594370898134092.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17073559635441224828.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
Loading property file /tmp/ReachabilityCardinality17073559635441224828.prop.
RANDOM walk for 40000 steps (2576 resets) in 6819 ms. (5 steps per ms) remains 178/232 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 11 ms. (33 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 12 ms. (31 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
Reachability property qltransition_444 is true.
Reachability property qltransition_443 is true.
Reachability property qltransition_442 is true.
Reachability property qltransition_441 is true.
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
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.
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 178/178 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 178/178 properties
[2026-05-24 15:24:51] [INFO ] Flow matrix only has 507 transitions (discarded 29 similar events)
[2026-05-24 15:24:51] [INFO ] Invariant cache hit.
[2026-05-24 15:24:51] [INFO ] State equation strengthened by 61 read => feed constraints.
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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 0/268 variables, 268/268 constraints. Problems are: Problem set: 0 solved, 178 unsolved
Reachability property qltransition_330 is true.
Reachability property qltransition_329 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/268 variables, 0/268 constraints. Problems are: Problem set: 21 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 58/326 variables, 12/280 constraints. Problems are: Problem set: 21 solved, 157 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s187 timeout
0.0) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 58/338 constraints. Problems are: Problem set: 21 solved, 157 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 326/833 variables, and 338 constraints, problems are : Problem set: 21 solved, 157 unsolved in 5020 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: 178/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 21 solved, 157 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/236 variables, 236/236 constraints. Problems are: Problem set: 21 solved, 157 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/236 variables, 0/236 constraints. Problems are: Problem set: 21 solved, 157 unsolved
At refinement iteration 2 (OVERLAPS) 90/326 variables, 12/248 constraints. Problems are: Problem set: 21 solved, 157 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 90/338 constraints. Problems are: Problem set: 21 solved, 157 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: 22 solved, 156 unsolved in 5019 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: 0/178 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10149ms problems are : Problem set: 22 solved, 156 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 235 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 13 places :
Symmetric choice reduction at 1 with 13 rule applications. Total rules 43 place count 313 transition count 493
Iterating global reduction 1 with 13 rules applied. Total rules applied 56 place count 313 transition count 493
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 69 place count 313 transition count 480
Free-agglomeration rule applied 33 times.
Iterating global reduction 2 with 33 rules applied. Total rules applied 102 place count 313 transition count 447
Reduce places removed 33 places and 0 transitions.
Iterating post reduction 2 with 33 rules applied. Total rules applied 135 place count 280 transition count 447
Applied a total of 135 rules in 209 ms. Remains 280 /326 variables (removed 46) and now considering 447/536 (removed 89) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 280/326 places, 447/536 transitions.
Reachability property qltransition_327 is true.
Reachability property qltransition_326 is true.
RANDOM walk for 4000000 steps (281588 resets) in 68127 ms. (58 steps per ms) remains 17/156 properties
BEST_FIRST walk for 400004 steps (377 resets) in 916 ms. (436 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 349 ms. (1142 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 327 ms. (1219 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (383 resets) in 425 ms. (938 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (379 resets) in 360 ms. (1108 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 371 ms. (1075 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (375 resets) in 333 ms. (1197 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (384 resets) in 331 ms. (1204 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 279 ms. (1428 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (382 resets) in 282 ms. (1413 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 293 ms. (1360 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (376 resets) in 335 ms. (1190 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (379 resets) in 306 ms. (1302 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (379 resets) in 339 ms. (1176 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (376 resets) in 318 ms. (1253 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400003 steps (380 resets) in 326 ms. (1223 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (378 resets) in 323 ms. (1234 steps per ms) remains 17/17 properties
// Phase 1: matrix 447 rows 280 cols
[2026-05-24 15:25:21] [INFO ] Computed 12 invariants in 9 ms
[2026-05-24 15:25:21] [INFO ] State equation strengthened by 83 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 158/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 104/280 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/280 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 447/727 variables, 280/292 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/727 variables, 83/375 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/727 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Reachability property qltransition_325 is true.
At refinement iteration 8 (OVERLAPS) 0/727 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 727/727 variables, and 375 constraints, problems are : Problem set: 0 solved, 17 unsolved in 2201 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 280/280 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 158/176 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/176 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 104/280 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/280 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 447/727 variables, 280/292 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/727 variables, 83/375 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/727 variables, 17/392 constraints. Problems are: Problem set: 0 solved, 17 unsolved
Reachability property qltransition_324 is true.
At refinement iteration 8 (INCLUDED_ONLY) 0/727 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 0/727 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 727/727 variables, and 392 constraints, problems are : Problem set: 0 solved, 17 unsolved in 2438 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 280/280 constraints, ReadFeed: 83/83 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4667ms problems are : Problem set: 0 solved, 17 unsolved
Finished Parikh walk after 91 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=45 )
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 )
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 17 properties in 46 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 TOPOLOGICAL INITIAL_STATE
Total runtime 72589 ms.

BK_STOP 1779636326527

--------------------
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="gold2025"
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 2-5973"
echo " Executing tool gold2025"
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 r144-smll-177955812600227"
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 ;