Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r028-smll-174853774900257.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
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 r028-smll-174853774900257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.3M
-rw-r--r-- 1 mcc users 19K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 122K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 237K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 929K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 107K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 315K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 33K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 193K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 253K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 965K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.1M May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748573581096

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BridgeAndVehicles-PT-V50P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 02:53:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 02:53:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 02:53:03] [INFO ] Load time of PNML (sax parser for PT used): 360 ms
[2025-05-30 02:53:03] [INFO ] Transformed 128 places.
[2025-05-30 02:53:03] [INFO ] Transformed 1328 transitions.
[2025-05-30 02:53:03] [INFO ] Parsed PT model containing 128 places and 1328 transitions and 10010 arcs in 588 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 35 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 16 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 271 ms. Remains 121 /128 variables (removed 7) and now considering 1324/1328 (removed 4) transitions.
[2025-05-30 02:53:04] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
// Phase 1: matrix 246 rows 121 cols
[2025-05-30 02:53:04] [INFO ] Computed 4 invariants in 30 ms
[2025-05-30 02:53:05] [INFO ] Implicit Places using invariants in 1204 ms returned []
[2025-05-30 02:53:05] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2025-05-30 02:53:05] [INFO ] Invariant cache hit.
[2025-05-30 02:53:05] [INFO ] State equation strengthened by 22 read => feed constraints.
[2025-05-30 02:53:06] [INFO ] Implicit Places using invariants and state equation in 1386 ms returned [52, 106]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 2748 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 11 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 3071 ms. Remains : 119/128 places, 1324/1328 transitions.
Initial state reduction rules removed 3 formulas.
RANDOM walk for 40000 steps (127 resets) in 7965 ms. (5 steps per ms) remains 1086/1321 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1086/1086 properties
[2025-05-30 02:53:09] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
// Phase 1: matrix 246 rows 119 cols
[2025-05-30 02:53:09] [INFO ] Computed 4 invariants in 4 ms
[2025-05-30 02:53:09] [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, 1086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 117/365 variables, and 3 constraints, problems are : Problem set: 0 solved, 1086 unsolved in 5074 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, State Equation: 0/119 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1086/1086 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1086 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1086 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 117/365 variables, and 3 constraints, problems are : Problem set: 0 solved, 1086 unsolved in 5029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, State Equation: 0/119 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 0/1086 constraints, Known Traps: 0/0 constraints]
After SMT, in 17019ms problems are : Problem set: 0 solved, 1086 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.
Applied a total of 0 rules in 203 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 203 ms. Remains : 119/119 places, 1324/1324 transitions.
RANDOM walk for 1412421 steps (4518 resets) in 120004 ms. (11 steps per ms) remains 882/1086 properties
BEST_FIRST walk for 4002 steps (8 resets) in 76 ms. (51 steps per ms) remains 882/882 properties
BEST_FIRST walk for 4003 steps (8 resets) in 78 ms. (50 steps per ms) remains 881/882 properties
BEST_FIRST walk for 4003 steps (8 resets) in 62 ms. (63 steps per ms) remains 881/881 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 879/881 properties
BEST_FIRST walk for 4001 steps (8 resets) in 72 ms. (54 steps per ms) remains 878/879 properties
BEST_FIRST walk for 4003 steps (8 resets) in 78 ms. (50 steps per ms) remains 878/878 properties
BEST_FIRST walk for 4002 steps (8 resets) in 83 ms. (47 steps per ms) remains 878/878 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 878/878 properties
BEST_FIRST walk for 4004 steps (8 resets) in 107 ms. (37 steps per ms) remains 877/878 properties
BEST_FIRST walk for 4002 steps (8 resets) in 117 ms. (33 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4000 steps (8 resets) in 75 ms. (52 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4001 steps (8 resets) in 71 ms. (55 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4002 steps (8 resets) in 91 ms. (43 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4002 steps (8 resets) in 72 ms. (54 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4003 steps (8 resets) in 70 ms. (56 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4001 steps (8 resets) in 79 ms. (50 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4002 steps (8 resets) in 70 ms. (56 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4003 steps (8 resets) in 78 ms. (50 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4003 steps (8 resets) in 79 ms. (50 steps per ms) remains 877/877 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 876/877 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 875/876 properties
BEST_FIRST walk for 4002 steps (8 resets) in 66 ms. (59 steps per ms) remains 875/875 properties
BEST_FIRST walk for 4003 steps (8 resets) in 83 ms. (47 steps per ms) remains 875/875 properties
BEST_FIRST walk for 4001 steps (8 resets) in 86 ms. (45 steps per ms) remains 875/875 properties
BEST_FIRST walk for 4003 steps (8 resets) in 91 ms. (43 steps per ms) remains 875/875 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 874/875 properties
BEST_FIRST walk for 4002 steps (8 resets) in 84 ms. (47 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4002 steps (8 resets) in 84 ms. (47 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4002 steps (8 resets) in 70 ms. (56 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 64 ms. (61 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4003 steps (8 resets) in 82 ms. (48 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4002 steps (8 resets) in 68 ms. (58 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 874/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 873/874 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4002 steps (8 resets) in 78 ms. (50 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 873/873 properties
BEST_FIRST walk for 4003 steps (8 resets) in 115 ms. (34 steps per ms) remains 872/873 properties
BEST_FIRST walk for 4001 steps (8 resets) in 76 ms. (51 steps per ms) remains 872/872 properties
BEST_FIRST walk for 4002 steps (8 resets) in 78 ms. (50 steps per ms) remains 872/872 properties
BEST_FIRST walk for 4002 steps (8 resets) in 82 ms. (48 steps per ms) remains 870/872 properties
BEST_FIRST walk for 4003 steps (8 resets) in 78 ms. (50 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4002 steps (8 resets) in 67 ms. (58 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 89 ms. (44 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 91 ms. (43 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 65 ms. (60 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4001 steps (8 resets) in 97 ms. (40 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4001 steps (8 resets) in 82 ms. (48 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4001 steps (8 resets) in 84 ms. (47 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4002 steps (8 resets) in 81 ms. (48 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 81 ms. (48 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 75 ms. (52 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4002 steps (8 resets) in 72 ms. (54 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 95 ms. (41 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4002 steps (8 resets) in 86 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 85 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4001 steps (8 resets) in 64 ms. (61 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 88 ms. (44 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 66 ms. (59 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 78 ms. (50 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 92 ms. (43 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 89 ms. (44 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 66 ms. (59 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 65 ms. (60 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 80 ms. (49 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 95 ms. (41 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 98 ms. (40 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 98 ms. (40 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 83 ms. (47 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 83 ms. (47 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 87 ms. (45 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 99 ms. (40 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 86 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 82 ms. (48 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 87 ms. (45 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4002 steps (8 resets) in 63 ms. (62 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4003 steps (8 resets) in 62 ms. (63 steps per ms) remains 870/870 properties
BEST_FIRST walk for 4001 steps (8 resets) in 62 ms. (63 steps per ms) remains 870/870 properties
[2025-05-30 02:54:00] [INFO ] Flow matrix only has 246 transitions (discarded 1078 similar events)
[2025-05-30 02:54:00] [INFO ] Invariant cache hit.
[2025-05-30 02:54:00] [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, 870 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/117 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 870 unsolved
At refinement iteration 2 (OVERLAPS) 2/119 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 870 unsolved
[2025-05-30 02:54:19] [INFO ] Deduced a trap composed of 13 places in 246 ms of which 21 ms to minimize.
Problem qltransition_223 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 19086ms, After SMT, problems are : Problem set: 0 solved, 870 unsolved
Fused 870 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 128 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 128 ms. Remains : 119/119 places, 1324/1324 transitions.
Total runtime 76884 ms.
ITS solved all properties within timeout

BK_STOP 1748573660993

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool gold2024"
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 r028-smll-174853774900257"
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 ;