Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372700207.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-04a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372700207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 892K
-rw-r--r-- 1 mcc users 9.6K Mar 5 14:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 5 14:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 5 14:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 14:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 5 14:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 5 14:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 5 14:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 5 14:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:08 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 436K 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 1779687458144

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ASLink-PT-04a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 05:37:40] [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]
[2026-05-25 05:37:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:37:40] [INFO ] Load time of PNML (sax parser for PT used): 175 ms
[2026-05-25 05:37:40] [INFO ] Transformed 1016 places.
[2026-05-25 05:37:40] [INFO ] Transformed 1554 transitions.
[2026-05-25 05:37:40] [INFO ] Found NUPN structural information;
[2026-05-25 05:37:40] [INFO ] Parsed PT model containing 1016 places and 1554 transitions and 5858 arcs in 319 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1016/1016 places, 1554/1554 transitions.
Ensure Unique test removed 16 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Discarding 8 places :
Implicit places reduction removed 8 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 89 transitions
Trivial Post-agglo rules discarded 89 transitions
Performed 89 trivial Post agglomeration. Transition count delta: 89
Iterating post reduction 0 with 129 rules applied. Total rules applied 129 place count 992 transition count 1449
Reduce places removed 89 places and 0 transitions.
Iterating post reduction 1 with 89 rules applied. Total rules applied 218 place count 903 transition count 1449
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 89 Pre rules applied. Total rules applied 218 place count 903 transition count 1360
Deduced a syphon composed of 89 places in 12 ms
Ensure Unique test removed 35 places
Reduce places removed 124 places and 0 transitions.
Iterating global reduction 2 with 213 rules applied. Total rules applied 431 place count 779 transition count 1360
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 432 place count 779 transition count 1359
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 433 place count 778 transition count 1359
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 28
Deduced a syphon composed of 28 places in 5 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 4 with 56 rules applied. Total rules applied 489 place count 750 transition count 1331
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 491 place count 749 transition count 1334
Applied a total of 491 rules in 197 ms. Remains 749 /1016 variables (removed 267) and now considering 1334/1554 (removed 220) transitions.
// Phase 1: matrix 1334 rows 749 cols
[2026-05-25 05:37:40] [INFO ] Computed 135 invariants in 58 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:37:43] [INFO ] Implicit Places using invariants in 2666 ms returned [1, 19, 20, 21, 24, 54, 72, 152, 166, 167, 168, 169, 189, 207, 287, 301, 302, 303, 304, 324, 342, 422, 436, 437, 438, 439, 459, 477, 557, 562, 573, 574, 575, 576, 577, 612, 614, 617, 635, 636, 637, 638, 650, 656, 662, 668, 674, 680, 686, 692, 698, 704, 710, 748]
Discarding 54 places :
Implicit Place search using SMT only with invariants took 2708 ms to find 54 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 695/1016 places, 1334/1554 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 695 transition count 1270
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 67 rules applied. Total rules applied 131 place count 631 transition count 1267
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 133 place count 629 transition count 1267
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 43 Pre rules applied. Total rules applied 133 place count 629 transition count 1224
Deduced a syphon composed of 43 places in 6 ms
Ensure Unique test removed 1 places
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 87 rules applied. Total rules applied 220 place count 585 transition count 1224
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 3 with 13 rules applied. Total rules applied 233 place count 580 transition count 1216
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 241 place count 572 transition count 1216
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 241 place count 572 transition count 1215
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 243 place count 571 transition count 1215
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 5 with 98 rules applied. Total rules applied 341 place count 522 transition count 1166
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 346 place count 522 transition count 1161
Applied a total of 346 rules in 88 ms. Remains 522 /695 variables (removed 173) and now considering 1161/1334 (removed 173) transitions.
// Phase 1: matrix 1161 rows 522 cols
[2026-05-25 05:37:43] [INFO ] Computed 75 invariants in 50 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:37:44] [INFO ] Implicit Places using invariants in 1335 ms returned [97, 103, 108, 109, 195, 201, 206, 207, 212, 296, 302, 307, 308, 313, 397, 403, 408, 409, 414, 507, 510, 513, 516, 519]
Discarding 24 places :
Implicit Place search using SMT only with invariants took 1353 ms to find 24 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 498/1016 places, 1161/1554 transitions.
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 42 place count 477 transition count 1140
Applied a total of 42 rules in 14 ms. Remains 477 /498 variables (removed 21) and now considering 1140/1161 (removed 21) transitions.
// Phase 1: matrix 1140 rows 477 cols
[2026-05-25 05:37:44] [INFO ] Computed 51 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:37:45] [INFO ] Implicit Places using invariants in 924 ms returned []
[2026-05-25 05:37:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:37:47] [INFO ] Implicit Places using invariants and state equation in 1770 ms returned []
Implicit Place search using SMT with State Equation took 2702 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 477/1016 places, 1140/1554 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 7099 ms. Remains : 477/1016 places, 1140/1554 transitions.
Discarding 55 transitions out of 1140. Remains 1085
Initial state reduction rules removed 1 formulas.
[2026-05-25 05:37:48] [INFO ] Flatten gal took : 379 ms
RANDOM walk for 40000 steps (654 resets) in 5004 ms. (7 steps per ms) remains 818/1084 properties
[2026-05-25 05:37:49] [INFO ] Flatten gal took : 172 ms
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
[2026-05-25 05:37:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1221050049232123209.gal : 57 ms
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
[2026-05-25 05:37:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15849108453879283275.prop : 7 ms
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 818/818 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/ReachabilityCardinality1221050049232123209.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15849108453879283275.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 818/818 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 818/818 properties
[2026-05-25 05:37:49] [INFO ] Invariant cache hit.

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/ReachabilityCardinality15849108453879283275.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,818 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,818 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,818 properties remain. new max is 16
SDD size :4 after 7
SDD proceeding with computation,818 properties remain. new max is 32
SDD size :7 after 21
SDD proceeding with computation,818 properties remain. new max is 64
SDD size :21 after 249
SDD proceeding with computation,818 properties remain. new max is 128
SDD size :249 after 4873
SDD proceeding with computation,818 properties remain. new max is 256
SDD size :4873 after 189201
Reachability property qltransition_1039 is true.
Reachability property qltransition_1021 is true.
Reachability property qltransition_948 is true.
Reachability property qltransition_946 is true.
Reachability property qltransition_941 is true.
Reachability property qltransition_919 is true.
Reachability property qltransition_917 is true.
Reachability property qltransition_532 is true.
Reachability property qltransition_524 is true.
Reachability property qltransition_515 is true.
Reachability property qltransition_507 is true.
Reachability property qltransition_498 is true.
Reachability property qltransition_490 is true.
Reachability property qltransition_481 is true.
Reachability property qltransition_473 is true.
Reachability property qltransition_464 is true.
Reachability property qltransition_456 is true.
Reachability property qltransition_447 is true.
Reachability property qltransition_439 is true.
Reachability property qltransition_430 is true.
Reachability property qltransition_422 is true.
Reachability property qltransition_413 is true.
Reachability property qltransition_405 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_200 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_183 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_157 is true.
Reachability property qltransition_149 is true.
SDD proceeding with computation,787 properties remain. new max is 256
SDD size :189201 after 216970
Reachability property qltransition_1105 is true.
Reachability property qltransition_1002 is true.
Reachability property qltransition_981 is true.
Reachability property qltransition_980 is true.
Reachability property qltransition_978 is true.
Reachability property qltransition_977 is true.
Reachability property qltransition_976 is true.
Reachability property qltransition_971 is true.
Reachability property qltransition_970 is true.
Reachability property qltransition_950 is true.
Reachability property qltransition_397 is true.
Reachability property qltransition_389 is true.
Reachability property qltransition_382 is true.
Reachability property qltransition_374 is true.
Reachability property qltransition_367 is true.
Reachability property qltransition_359 is true.
Reachability property qltransition_352 is true.
Reachability property qltransition_344 is true.
Reachability property qltransition_337 is true.
Reachability property qltransition_329 is true.
Reachability property qltransition_322 is true.
Reachability property qltransition_314 is true.
Reachability property qltransition_307 is true.
Reachability property qltransition_299 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_284 is true.
Reachability property qltransition_276 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_259 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_242 is true.
Reachability property qltransition_234 is true.
Reachability property qltransition_225 is true.
Reachability property qltransition_217 is true.
SDD proceeding with computation,753 properties remain. new max is 256
SDD size :216970 after 217165
Reachability property qltransition_1113 is true.
Reachability property qltransition_947 is true.
Reachability property qltransition_940 is true.
Reachability property qltransition_916 is true.
SDD proceeding with computation,749 properties remain. new max is 256
SDD size :217165 after 219883
SDD proceeding with computation,749 properties remain. new max is 512
SDD size :219883 after 229129
SDD proceeding with computation,749 properties remain. new max is 1024
SDD size :229129 after 708671
Reachability property qltransition_1001 is true.
Reachability property qltransition_982 is true.
Reachability property qltransition_968 is true.
Reachability property qltransition_967 is true.
Reachability property qltransition_938 is true.
Reachability property qltransition_907 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/286 variables, 286/286 constraints. Problems are: Problem set: 0 solved, 818 unsolved
SMT process timed out in 5475ms, After SMT, problems are : Problem set: 75 solved, 743 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 263 out of 477 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 477/477 places, 1140/1140 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 462 transition count 1125
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 462 transition count 1125
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 34 place count 462 transition count 1121
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 34 place count 462 transition count 1120
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 461 transition count 1120
Free-agglomeration rule applied 16 times.
Iterating global reduction 1 with 16 rules applied. Total rules applied 52 place count 461 transition count 1104
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 68 place count 445 transition count 1104
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 73 place count 445 transition count 1099
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 78 place count 440 transition count 1099
Applied a total of 78 rules in 105 ms. Remains 440 /477 variables (removed 37) and now considering 1099/1140 (removed 41) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 440/477 places, 1099/1140 transitions.
SDD proceeding with computation,743 properties remain. new max is 1024
SDD size :708671 after 6.06273e+06
Reachability property qltransition_937 is true.
Reachability property qltransition_906 is true.
SDD proceeding with computation,741 properties remain. new max is 1024
SDD size :6.06273e+06 after 7.5839e+06
Reachability property qltransition_988 is true.
Reachability property qltransition_965 is true.
Reachability property qltransition_964 is true.
Reachability property qltransition_935 is true.
Reachability property qltransition_904 is true.
SDD proceeding with computation,736 properties remain. new max is 1024
SDD size :7.5839e+06 after 3.93556e+07
Reachability property qltransition_934 is true.
Reachability property qltransition_903 is true.
SDD proceeding with computation,734 properties remain. new max is 1024
SDD size :3.93556e+07 after 5.78634e+07
Reachability property qltransition_962 is true.
Reachability property qltransition_961 is true.
Reachability property qltransition_932 is true.
Reachability property qltransition_901 is true.
SDD proceeding with computation,730 properties remain. new max is 1024
SDD size :5.78634e+07 after 1.44272e+08
Reachability property qltransition_931 is true.
Reachability property qltransition_900 is true.
SDD proceeding with computation,728 properties remain. new max is 1024
SDD size :1.44272e+08 after 2.28677e+08
Reachability property qltransition_1008 is true.
Reachability property qltransition_989 is true.
SDD proceeding with computation,726 properties remain. new max is 1024
SDD size :2.28677e+08 after 3.3501e+08
Reachability property qltransition_990 is true.
SDD proceeding with computation,725 properties remain. new max is 1024
SDD size :3.3501e+08 after 3.3509e+08
SDD proceeding with computation,725 properties remain. new max is 2048
SDD size :3.3509e+08 after 3.50114e+08
Reachability property qltransition_993 is true.
SDD proceeding with computation,724 properties remain. new max is 2048
SDD size :3.50114e+08 after 4.00802e+08
RANDOM walk for 2508595 steps (49500 resets) in 120004 ms. (20 steps per ms) remains 723/743 properties
BEST_FIRST walk for 4003 steps (22 resets) in 78 ms. (50 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (21 resets) in 92 ms. (43 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (22 resets) in 100 ms. (39 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 83 ms. (47 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (22 resets) in 79 ms. (50 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (24 resets) in 88 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (25 resets) in 89 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (22 resets) in 90 ms. (43 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (23 resets) in 89 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (22 resets) in 79 ms. (50 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (25 resets) in 83 ms. (47 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (21 resets) in 87 ms. (45 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (27 resets) in 76 ms. (51 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4000 steps (20 resets) in 116 ms. (34 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (20 resets) in 95 ms. (41 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (25 resets) in 96 ms. (41 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (21 resets) in 96 ms. (41 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (23 resets) in 91 ms. (43 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (24 resets) in 74 ms. (53 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (18 resets) in 87 ms. (45 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (21 resets) in 110 ms. (36 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (24 resets) in 85 ms. (46 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (21 resets) in 97 ms. (40 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (26 resets) in 89 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (24 resets) in 89 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (24 resets) in 80 ms. (49 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (21 resets) in 82 ms. (48 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (19 resets) in 91 ms. (43 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 78 ms. (50 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (22 resets) in 84 ms. (47 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (25 resets) in 102 ms. (38 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 98 ms. (40 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (23 resets) in 104 ms. (38 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (19 resets) in 88 ms. (44 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (21 resets) in 84 ms. (47 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 55 ms. (71 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (21 resets) in 64 ms. (61 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 58 ms. (67 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (26 resets) in 63 ms. (62 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (20 resets) in 67 ms. (58 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (25 resets) in 73 ms. (54 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 76 ms. (51 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (19 resets) in 85 ms. (46 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (23 resets) in 72 ms. (54 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4002 steps (22 resets) in 82 ms. (48 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (21 resets) in 83 ms. (47 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4004 steps (23 resets) in 69 ms. (57 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (24 resets) in 62 ms. (63 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4003 steps (22 resets) in 53 ms. (74 steps per ms) remains 723/723 properties
BEST_FIRST walk for 4001 steps (21 resets) in 81 ms. (48 steps per ms) remains 723/723 properties
SDD proceeding with computation,724 properties remain. new max is 4096
SDD size :4.00802e+08 after 7.0913e+08
SDD proceeding with computation,724 properties remain. new max is 8192
SDD size :7.0913e+08 after 1.33664e+09
SDD proceeding with computation,724 properties remain. new max is 16384
SDD size :1.33664e+09 after 4.00866e+09
Probabilistic random walk after 1000001 steps, saw 545205 distinct states, run finished after 45616 ms. (steps per millisecond=21 ) properties seen :5
// Phase 1: matrix 1099 rows 440 cols
[2026-05-25 05:39:11] [INFO ] Computed 51 invariants in 8 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 705 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/219 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 705 unsolved
At refinement iteration 2 (OVERLAPS) 66/285 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 705 unsolved
SDD proceeding with computation,724 properties remain. new max is 32768
SDD size :4.00866e+09 after 2.02781e+10
At refinement iteration 3 (INCLUDED_ONLY) 0/285 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 705 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:39:28] [INFO ] Deduced a trap composed of 27 places in 138 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:39:35] [INFO ] Deduced a trap composed of 19 places in 83 ms of which 3 ms to minimize.
Problem qltransition_868 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 24072ms, After SMT, problems are : Problem set: 1 solved, 704 unsolved
Fused 704 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 219 out of 440 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 440/440 places, 1099/1099 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 431 transition count 1090
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 431 transition count 1090
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 23 place count 426 transition count 1085
Iterating global reduction 0 with 5 rules applied. Total rules applied 28 place count 426 transition count 1085
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 30 place count 426 transition count 1083
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 424 transition count 1083
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 424 transition count 1083
Applied a total of 33 rules in 57 ms. Remains 424 /440 variables (removed 16) and now considering 1083/1099 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 424/440 places, 1083/1099 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 116046 ms.

BK_STOP 1779687576566

--------------------
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="ASLink-PT-04a"
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 ASLink-PT-04a, 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 r016-oct2-177944372700207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-04a.tgz
mv ASLink-PT-04a 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 ;