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.r040-tall-177946844500157.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)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-PT-V50P50N10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844500157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.2M
-rw-r--r-- 1 mcc users 23K Mar 5 08:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 5 08:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 134K Mar 5 08:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 539K Mar 5 08:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 15K Mar 15 07:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 15 07:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 63K Mar 15 07:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 201K Mar 15 07:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 57K Mar 5 08:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 336K Mar 5 08:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 322K Mar 5 08:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.3M Mar 5 08:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Mar 15 07:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.1M 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 1779480233767

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:03:54] [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]
[2026-05-22 20:03:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:03:55] [INFO ] Load time of PNML (sax parser for PT used): 173 ms
[2026-05-22 20:03:55] [INFO ] Transformed 128 places.
[2026-05-22 20:03:55] [INFO ] Transformed 1328 transitions.
[2026-05-22 20:03:55] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 279 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 128/128 places, 1328/1328 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 126 transition count 1328
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 20 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 123 transition count 1326
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 121 transition count 1324
Applied a total of 11 rules in 146 ms. Remains 121 /128 variables (removed 7) and now considering 1324/1328 (removed 4) transitions.
[2026-05-22 20:03:55] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16436911942589746552.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14624075360380036838.kers'
[2026-05-22 20:03:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16436911942589746552.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14624075360380036838.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 121 cols 1080 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-22 20:03:55] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14624075360380036838.kers
Total runtime 2 ms.
[2026-05-22 20:03:56] [INFO ] Implicit Places using invariants in 537 ms returned []
[2026-05-22 20:03:56] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2026-05-22 20:03:56] [INFO ] Invariant cache hit.
[2026-05-22 20:03:56] [INFO ] State equation strengthened by 22 read => feed constraints.
[2026-05-22 20:03:57] [INFO ] Implicit Places using invariants and state equation in 1104 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1683 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 119/128 places, 1324/1328 transitions.
Applied a total of 0 rules in 13 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1863 ms. Remains : 119/128 places, 1324/1328 transitions.
Initial state reduction rules removed 3 formulas.
[2026-05-22 20:03:58] [INFO ] Flatten gal took : 362 ms
[2026-05-22 20:03:58] [INFO ] Flatten gal took : 112 ms
[2026-05-22 20:03:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12442854636828904465.gal : 79 ms
RANDOM walk for 40000 steps (127 resets) in 5838 ms. (6 steps per ms) remains 1076/1321 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 123 steps (8 resets) in 27 ms. (4 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 123 steps (8 resets) in 24 ms. (4 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 30 ms. (4 steps per ms) remains 1076/1076 properties
[2026-05-22 20:03:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4887294830193746070.prop : 34 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12442854636828904465.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4887294830193746070.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 1076/1076 properties

BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 1076/1076 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1076/1076 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1076/1076 properties
[2026-05-22 20:03:59] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8878448352726332016.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12251156766724743315.kers'
[2026-05-22 20:03:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8878448352726332016.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12251156766724743315.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 246 rows 119 cols 878 entries
Finished phase 1 with 115 SingleSign rule and 0 generalized
[2026-05-22 20:03:59] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12251156766724743315.kers
Total runtime 2 ms.
[2026-05-22 20:03:59] [INFO ] State equation strengthened by 22 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality4887294830193746070.prop.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,1076 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1076 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1076 properties remain. new max is 16
SDD size :6 after 12
SDD proceeding with computation,1076 properties remain. new max is 32
SDD size :12 after 20
SDD proceeding with computation,1076 properties remain. new max is 64
SDD size :20 after 30
SDD proceeding with computation,1076 properties remain. new max is 128
SDD size :30 after 42
SDD proceeding with computation,1076 properties remain. new max is 256
SDD size :42 after 72
Reachability property qltransition_273 is true.
SDD proceeding with computation,1075 properties remain. new max is 256
SDD size :72 after 160
Reachability property qltransition_277 is true.
Reachability property qltransition_276 is true.
Reachability property qltransition_275 is true.
Reachability property qltransition_274 is true.
SDD proceeding with computation,1071 properties remain. new max is 256
SDD size :160 after 288
Reachability property qltransition_281 is true.
Reachability property qltransition_280 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_278 is true.
SDD proceeding with computation,1067 properties remain. new max is 256
SDD size :288 after 448
Reachability property qltransition_285 is true.
Reachability property qltransition_284 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_282 is true.
SDD proceeding with computation,1063 properties remain. new max is 256
SDD size :448 after 650
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_286 is true.
SDD proceeding with computation,1059 properties remain. new max is 256
SDD size :650 after 886
Reachability property qltransition_293 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_291 is true.
Reachability property qltransition_290 is true.
SDD proceeding with computation,1055 properties remain. new max is 256
SDD size :886 after 1158
Reachability property qltransition_298 is true.
Reachability property qltransition_297 is true.
Reachability property qltransition_296 is true.
Reachability property qltransition_295 is true.
Reachability property qltransition_294 is true.
SDD proceeding with computation,1050 properties remain. new max is 256
SDD size :1158 after 1553
Reachability property qltransition_304 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_302 is true.
Reachability property qltransition_301 is true.
Reachability property qltransition_300 is true.
Reachability property qltransition_299 is true.
SDD proceeding with computation,1044 properties remain. new max is 256
SDD size :1553 after 2100
Reachability property qltransition_312 is true.
Reachability property qltransition_311 is true.
Reachability property qltransition_310 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_308 is true.
Reachability property qltransition_307 is true.
Reachability property qltransition_306 is true.
Reachability property qltransition_305 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_169 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_167 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_46 is true.
SDD proceeding with computation,1027 properties remain. new max is 256
SDD size :2100 after 2957
Reachability property qltransition_784 is true.
Reachability property qltransition_783 is true.
Reachability property qltransition_782 is true.
Reachability property qltransition_781 is true.
Reachability property qltransition_780 is true.
Reachability property qltransition_779 is true.
Reachability property qltransition_778 is true.
Reachability property qltransition_777 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 3/3 constraints. Problems are: Problem set: 26 solved, 1050 unsolved
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_352 is true.
Reachability property qltransition_351 is true.
Reachability property qltransition_350 is true.
Reachability property qltransition_349 is true.
Reachability property qltransition_348 is true.
Reachability property qltransition_347 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_332 is true.
SDD proceeding with computation,994 properties remain. new max is 256
SDD size :5914 after 6189
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 117/365 variables, and 3 constraints, problems are : Problem set: 82 solved, 994 unsolved in 5032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, State Equation: 0/119 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1076/976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 82 solved, 994 unsolved
SDD proceeding with computation,994 properties remain. new max is 512
SDD size :6189 after 6212
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 3/3 constraints. Problems are: Problem set: 82 solved, 994 unsolved
Reachability property qltransition_331 is true.
Reachability property qltransition_330 is true.
Reachability property qltransition_329 is true.
SDD proceeding with computation,991 properties remain. new max is 512
SDD size :6212 after 6702
Reachability property qltransition_338 is true.
Reachability property qltransition_337 is true.
Reachability property qltransition_336 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_326 is true.
SDD proceeding with computation,985 properties remain. new max is 512
SDD size :6702 after 7198
Reachability property qltransition_335 is true.
Reachability property qltransition_334 is true.
Reachability property qltransition_333 is true.
Reachability property qltransition_323 is true.
SDD proceeding with computation,981 properties remain. new max is 512
SDD size :7198 after 7748
SDD proceeding with computation,981 properties remain. new max is 1024
SDD size :7748 after 8080
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 117/365 variables, and 3 constraints, problems are : Problem set: 95 solved, 981 unsolved in 5024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, State Equation: 0/119 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 100/976 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12665ms problems are : Problem set: 95 solved, 981 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 117 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 1324/1324 transitions.
SDD proceeding with computation,981 properties remain. new max is 2048
SDD size :8080 after 8196
Applied a total of 0 rules in 129 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 119/119 places, 1324/1324 transitions.
SDD proceeding with computation,981 properties remain. new max is 4096
SDD size :8196 after 8496
SDD proceeding with computation,981 properties remain. new max is 8192
SDD size :8496 after 9010
SDD proceeding with computation,981 properties remain. new max is 16384
SDD size :9010 after 10792
RANDOM walk for 2040544 steps (6528 resets) in 120009 ms. (17 steps per ms) remains 787/981 properties
BEST_FIRST walk for 4003 steps (8 resets) in 69 ms. (57 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4000 steps (8 resets) in 66 ms. (59 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 59 ms. (66 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 71 ms. (55 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4001 steps (8 resets) in 67 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 71 ms. (55 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 64 ms. (61 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 94 ms. (42 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 79 ms. (50 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 81 ms. (48 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 75 ms. (52 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 63 ms. (62 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 67 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 114 ms. (34 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 79 ms. (50 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 126 ms. (31 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 106 ms. (37 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 61 ms. (64 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 124 ms. (32 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 62 ms. (63 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 109 ms. (36 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 172 ms. (23 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 77 ms. (51 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 91 ms. (43 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 58 ms. (67 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 99 ms. (40 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 55 ms. (71 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4002 steps (8 resets) in 68 ms. (58 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4003 steps (8 resets) in 99 ms. (40 steps per ms) remains 787/787 properties
BEST_FIRST walk for 4004 steps (8 resets) in 70 ms. (56 steps per ms) remains 787/787 properties
[2026-05-22 20:04:43] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2026-05-22 20:04:43] [INFO ] Invariant cache hit.
[2026-05-22 20:04:43] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 787 unsolved
Reachability property qltransition_795 is true.
Reachability property qltransition_794 is true.
Reachability property qltransition_793 is true.
Reachability property qltransition_792 is true.
Reachability property qltransition_791 is true.
Reachability property qltransition_790 is true.
Reachability property qltransition_789 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/117 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 785 unsolved
At refinement iteration 2 (OVERLAPS) 2/119 variables, 1/4 constraints. Problems are: Problem set: 2 solved, 785 unsolved
Problem qltransition_223 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 13342ms, After SMT, problems are : Problem set: 3 solved, 784 unsolved
Fused 784 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 117 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 1324/1324 transitions.
Applied a total of 0 rules in 71 ms. Remains 119 /119 variables (removed 0) and now considering 1324/1324 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71 ms. Remains : 119/119 places, 1324/1324 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 62218 ms.

BK_STOP 1779480297591

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="BridgeAndVehicles-PT-V50P50N10"
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 2-5973"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-PT-V50P50N10, 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 r040-tall-177946844500157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P50N10.tgz
mv BridgeAndVehicles-PT-V50P50N10 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 ;