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.r048-tall-177946846600132.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 gold2025
Input is BridgeAndVehicles-PT-V20P20N20, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846600132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 11K Mar 5 08:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 5 08:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 121K Mar 5 08:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 479K Mar 5 08:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.4K Mar 15 07:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Mar 15 07:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 66K Mar 15 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 201K Mar 15 07:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 22K Mar 5 08:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 5 08:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 140K Mar 5 08:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 591K Mar 5 08:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.6K Mar 15 07:33 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 790K 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 1779481711684

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-PT-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:28:33] [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 20:28:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:28:33] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2026-05-22 20:28:33] [INFO ] Transformed 78 places.
[2026-05-22 20:28:33] [INFO ] Transformed 968 transitions.
[2026-05-22 20:28:33] [INFO ] Parsed PT model containing 78 places and 968 transitions and 7350 arcs in 243 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 78/78 places, 968/968 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 76 transition count 968
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 8 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 7 place count 73 transition count 966
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 71 transition count 964
Applied a total of 11 rules in 78 ms. Remains 71 /78 variables (removed 7) and now considering 964/968 (removed 4) transitions.
[2026-05-22 20:28:33] [INFO ] Flow matrix only has 166 transitions (discarded 798 similar events)
// Phase 1: matrix 166 rows 71 cols
[2026-05-22 20:28:33] [INFO ] Computed 4 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:28:33] [INFO ] Implicit Places using invariants in 376 ms returned []
[2026-05-22 20:28:33] [INFO ] Flow matrix only has 166 transitions (discarded 798 similar events)
[2026-05-22 20:28:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:28:33] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-22 20:28:34] [INFO ] Implicit Places using invariants and state equation in 643 ms returned [22, 46]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1064 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 69/78 places, 964/968 transitions.
Applied a total of 0 rules in 10 ms. Remains 69 /69 variables (removed 0) and now considering 964/964 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1171 ms. Remains : 69/78 places, 964/968 transitions.
Initial state reduction rules removed 3 formulas.
[2026-05-22 20:28:35] [INFO ] Flatten gal took : 221 ms
[2026-05-22 20:28:35] [INFO ] Flatten gal took : 189 ms
[2026-05-22 20:28:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4262382535022690089.gal : 69 ms
[2026-05-22 20:28:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15398124006853008421.prop : 10 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/ReachabilityCardinality4262382535022690089.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15398124006853008421.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/ReachabilityCardinality15398124006853008421.prop.
RANDOM walk for 40000 steps (320 resets) in 5356 ms. (7 steps per ms) remains 779/961 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
SDD proceeding with computation,961 properties remain. new max is 4
SDD size :1 after 2
BEST_FIRST walk for 120 steps (8 resets) in 43 ms. (2 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 28 ms. (4 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 779/779 properties
Reachability property qltransition_82 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,958 properties remain. new max is 4
SDD size :2 after 6
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 779/779 properties
Reachability property qltransition_83 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,955 properties remain. new max is 4
SDD size :6 after 12
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
Reachability property qltransition_84 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,952 properties remain. new max is 4
SDD size :12 after 20
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
Reachability property qltransition_85 is true.
Reachability property qltransition_50 is true.
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
Reachability property qltransition_4 is true.
SDD proceeding with computation,949 properties remain. new max is 4
SDD size :20 after 30
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 779/779 properties
Reachability property qltransition_86 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,946 properties remain. new max is 4
SDD size :30 after 42
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
Reachability property qltransition_87 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_6 is true.
SDD proceeding with computation,943 properties remain. new max is 4
SDD size :42 after 56
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 779/779 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 5 ms. (20 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 779/779 properties
Reachability property qltransition_88 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,940 properties remain. new max is 4
SDD size :56 after 72
[2026-05-22 20:28:36] [INFO ] Flow matrix only has 166 transitions (discarded 798 similar events)
// Phase 1: matrix 166 rows 69 cols
[2026-05-22 20:28:36] [INFO ] Computed 4 invariants in 1 ms
Reachability property qltransition_89 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_8 is true.
SDD proceeding with computation,937 properties remain. new max is 4
SDD size :72 after 90
[2026-05-22 20:28:36] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Reachability property qltransition_90 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,934 properties remain. new max is 4
SDD size :90 after 110
Reachability property qltransition_91 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_10 is true.
SDD proceeding with computation,931 properties remain. new max is 4
SDD size :110 after 132
Reachability property qltransition_92 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_11 is true.
SDD proceeding with computation,928 properties remain. new max is 4
SDD size :132 after 155
SDD proceeding with computation,928 properties remain. new max is 8
SDD size :155 after 156
Reachability property qltransition_93 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_12 is true.
SDD proceeding with computation,925 properties remain. new max is 8
SDD size :156 after 182
Reachability property qltransition_94 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_13 is true.
SDD proceeding with computation,922 properties remain. new max is 8
SDD size :182 after 210
Reachability property qltransition_95 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_14 is true.
SDD proceeding with computation,919 properties remain. new max is 8
SDD size :210 after 240
Reachability property qltransition_96 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_15 is true.
SDD proceeding with computation,916 properties remain. new max is 8
SDD size :240 after 272
Reachability property qltransition_97 is true.
Reachability property qltransition_74 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,913 properties remain. new max is 8
SDD size :272 after 306
Reachability property qltransition_98 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_17 is true.
SDD proceeding with computation,910 properties remain. new max is 8
SDD size :306 after 342
Reachability property qltransition_99 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_18 is true.
SDD proceeding with computation,907 properties remain. new max is 8
SDD size :342 after 380
Reachability property qltransition_100 is true.
Reachability property qltransition_80 is true.
Reachability property qltransition_19 is true.
SDD proceeding with computation,904 properties remain. new max is 8
SDD size :380 after 420
Reachability property qltransition_543 is true.
Reachability property qltransition_101 is true.
Reachability property qltransition_43 is true.
SDD proceeding with computation,901 properties remain. new max is 8
SDD size :420 after 463
Reachability property qltransition_564 is true.
Reachability property qltransition_563 is true.
Reachability property qltransition_562 is true.
Reachability property qltransition_561 is true.
Reachability property qltransition_560 is true.
Reachability property qltransition_559 is true.
Reachability property qltransition_558 is true.
Reachability property qltransition_557 is true.
Reachability property qltransition_556 is true.
Reachability property qltransition_555 is true.
Reachability property qltransition_554 is true.
Reachability property qltransition_553 is true.
Reachability property qltransition_552 is true.
Reachability property qltransition_551 is true.
Reachability property qltransition_550 is true.
Reachability property qltransition_549 is true.
Reachability property qltransition_548 is true.
Reachability property qltransition_547 is true.
Reachability property qltransition_546 is true.
Reachability property qltransition_545 is true.
Reachability property qltransition_102 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_22 is true.
SDD proceeding with computation,878 properties remain. new max is 8
SDD size :926 after 928
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 16
SDD size :928 after 932
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 32
SDD size :932 after 936
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 64
SDD size :936 after 940
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 128
SDD size :940 after 948
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 256
SDD size :948 after 964
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,878 properties remain. new max is 512
SDD size :964 after 992
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_125 is true.
SDD proceeding with computation,877 properties remain. new max is 512
SDD size :992 after 1127
Reachability property qltransition_146 is true.
SDD proceeding with computation,876 properties remain. new max is 512
SDD size :1127 after 1324
SDD proceeding with computation,876 properties remain. new max is 1024
SDD size :1324 after 1352
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 3/3 constraints. Problems are: Problem set: 16 solved, 763 unsolved
Reachability property qltransition_188 is true.
Reachability property qltransition_167 is true.
SDD proceeding with computation,874 properties remain. new max is 1024
SDD size :1352 after 1790
Reachability property qltransition_209 is true.
SDD proceeding with computation,873 properties remain. new max is 1024
SDD size :1790 after 2068
Reachability property qltransition_251 is true.
Reachability property qltransition_230 is true.
SDD proceeding with computation,871 properties remain. new max is 1024
SDD size :2068 after 2614
Reachability property qltransition_293 is true.
Reachability property qltransition_272 is true.
SDD proceeding with computation,869 properties remain. new max is 1024
SDD size :2614 after 3192
Reachability property qltransition_356 is true.
Reachability property qltransition_335 is true.
Reachability property qltransition_314 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 67/235 variables, and 3 constraints, problems are : Problem set: 26 solved, 753 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, State Equation: 0/69 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 779/739 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 26 solved, 753 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,866 properties remain. new max is 1024
SDD size :3192 after 4026
At refinement iteration 0 (INCLUDED_ONLY) 0/67 variables, 3/3 constraints. Problems are: Problem set: 26 solved, 753 unsolved
Reachability property qltransition_503 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_461 is true.
Reachability property qltransition_440 is true.
Reachability property qltransition_419 is true.
Reachability property qltransition_398 is true.
Reachability property qltransition_377 is true.
SDD proceeding with computation,859 properties remain. new max is 1024
SDD size :4026 after 5301
Reachability property qltransition_585 is true.
Reachability property qltransition_584 is true.
Reachability property qltransition_583 is true.
Reachability property qltransition_582 is true.
Reachability property qltransition_581 is true.
Reachability property qltransition_580 is true.
Reachability property qltransition_579 is true.
Reachability property qltransition_578 is true.
Reachability property qltransition_577 is true.
Reachability property qltransition_576 is true.
Reachability property qltransition_575 is true.
Reachability property qltransition_574 is true.
Reachability property qltransition_573 is true.
Reachability property qltransition_572 is true.
Reachability property qltransition_571 is true.
Reachability property qltransition_570 is true.
Reachability property qltransition_569 is true.
Reachability property qltransition_568 is true.
Reachability property qltransition_567 is true.
Reachability property qltransition_566 is true.
Reachability property qltransition_525 is true.
Reachability property qltransition_524 is true.
Reachability property qltransition_504 is true.
Reachability property qltransition_483 is true.
Reachability property qltransition_462 is true.
Reachability property qltransition_441 is true.
Reachability property qltransition_420 is true.
Reachability property qltransition_399 is true.
Reachability property qltransition_378 is true.
Reachability property qltransition_357 is true.
Reachability property qltransition_336 is true.
Reachability property qltransition_315 is true.
Reachability property qltransition_294 is true.
Reachability property qltransition_273 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_231 is true.
Reachability property qltransition_210 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_23 is true.
SDD proceeding with computation,815 properties remain. new max is 1024
SDD size :10235 after 10648
SDD proceeding with computation,815 properties remain. new max is 2048
SDD size :10648 after 10851
SDD proceeding with computation,815 properties remain. new max is 4096
SDD size :10851 after 12321
At refinement iteration 1 (INCLUDED_ONLY) 0/67 variables, 0/3 constraints. Problems are: Problem set: 67 solved, 712 unsolved
At refinement iteration 2 (OVERLAPS) 2/69 variables, 1/4 constraints. Problems are: Problem set: 67 solved, 712 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:28:48] [INFO ] Deduced a trap composed of 22 places in 109 ms of which 8 ms to minimize.
Problem qltransition_123 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 11947ms, After SMT, problems are : Problem set: 68 solved, 711 unsolved
Fused 711 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 67 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 964/964 transitions.
Applied a total of 0 rules in 107 ms. Remains 69 /69 variables (removed 0) and now considering 964/964 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108 ms. Remains : 69/69 places, 964/964 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 15318 ms.

BK_STOP 1779481728404

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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="BridgeAndVehicles-PT-V20P20N20"
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 BridgeAndVehicles-PT-V20P20N20, 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 r048-tall-177946846600132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P20N20.tgz
mv BridgeAndVehicles-PT-V20P20N20 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 ;