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.r084-tall-174860080300277.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 DNAwalker-PT-16redondantChoiceR, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080300277
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 692K
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 19 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 211K 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 1748735873902

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 23:57:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 23:57:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 23:57:55] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2025-05-31 23:57:55] [INFO ] Transformed 43 places.
[2025-05-31 23:57:55] [INFO ] Transformed 490 transitions.
[2025-05-31 23:57:55] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 217 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 11 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2025-05-31 23:57:55] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2025-05-31 23:57:55] [INFO ] Computed 0 invariants in 26 ms
[2025-05-31 23:57:55] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20081 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 669 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20011 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints]
After SMT, in 40724ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 40757ms
[2025-05-31 23:58:36] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2025-05-31 23:58:36] [INFO ] Invariant cache hit.
[2025-05-31 23:58:36] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-05-31 23:58:36] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2025-05-31 23:58:36] [INFO ] Invariant cache hit.
[2025-05-31 23:58:36] [INFO ] State equation strengthened by 161 read => feed constraints.
[2025-05-31 23:58:37] [INFO ] Implicit Places using invariants and state equation in 873 ms returned []
Implicit Place search using SMT with State Equation took 950 ms to find 0 implicit places.
Running 466 sub problems to find dead transitions.
[2025-05-31 23:58:37] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2025-05-31 23:58:37] [INFO ] Invariant cache hit.
[2025-05-31 23:58:37] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 6 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 466 unsolved in 30020 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 669 constraints, problems are : Problem set: 0 solved, 466 unsolved in 30013 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints]
After SMT, in 60437ms problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 60445ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 102230 ms. Remains : 43/43 places, 490/490 transitions.
Discarding 10 transitions out of 490. Remains 480
Initial state reduction rules removed 14 formulas.
RANDOM walk for 40000 steps (1527 resets) in 1766 ms. (22 steps per ms) remains 5/466 properties
BEST_FIRST walk for 40004 steps (129 resets) in 116 ms. (341 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (121 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (121 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (114 resets) in 91 ms. (434 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (117 resets) in 77 ms. (512 steps per ms) remains 5/5 properties
[2025-05-31 23:59:38] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2025-05-31 23:59:38] [INFO ] Invariant cache hit.
[2025-05-31 23:59:38] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 117/519 variables, 16/124 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 72/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 12/531 variables, 7/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 5 unsolved in 430 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 117/519 variables, 16/129 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 72/201 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 208 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5009 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 5455ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 41 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 41 transition count 466
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 1 with 9 rules applied. Total rules applied 32 place count 32 transition count 457
Applied a total of 32 rules in 47 ms. Remains 32 /43 variables (removed 11) and now considering 457/490 (removed 33) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 457 rows 32 cols
[2025-05-31 23:59:44] [INFO ] Computed 0 invariants in 3 ms
[2025-05-31 23:59:44] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 12876 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20019 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 33230ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 33234ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33283 ms. Remains : 32/43 places, 457/490 transitions.
RANDOM walk for 4000000 steps (139368 resets) in 24543 ms. (162 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15550 resets) in 4137 ms. (966 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15554 resets) in 4136 ms. (966 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15427 resets) in 4124 ms. (969 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15719 resets) in 4174 ms. (958 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15403 resets) in 4177 ms. (957 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 7053707 steps, run timeout after 33001 ms. (steps per millisecond=213 ) properties seen :0 out of 5
Probabilistic random walk after 7053707 steps, saw 1855638 distinct states, run finished after 33004 ms. (steps per millisecond=213 ) properties seen :0
[2025-06-01 00:01:01] [INFO ] Invariant cache hit.
[2025-06-01 00:01:01] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 92/489 variables, 12/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 5 unsolved in 241 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 53 constraints, problems are : Problem set: 0 solved, 5 unsolved in 45008 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 45261ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 14 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-06-01 00:01:47] [INFO ] Invariant cache hit.
[2025-06-01 00:01:47] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-01 00:01:47] [INFO ] Invariant cache hit.
[2025-06-01 00:01:47] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-01 00:01:47] [INFO ] Implicit Places using invariants and state equation in 581 ms returned []
Implicit Place search using SMT with State Equation took 634 ms to find 0 implicit places.
[2025-06-01 00:01:47] [INFO ] Redundant transitions in 34 ms returned []
Running 452 sub problems to find dead transitions.
[2025-06-01 00:01:47] [INFO ] Invariant cache hit.
[2025-06-01 00:01:47] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 12282 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30010 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 42626ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 42630ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43315 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 145 steps (2 resets) in 18 ms. (7 steps per ms) remains 0/6 properties
RANDOM walk for 4000000 steps (139354 resets) in 24168 ms. (165 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15544 resets) in 4075 ms. (981 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15554 resets) in 4085 ms. (978 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15424 resets) in 4079 ms. (980 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15719 resets) in 4105 ms. (974 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15408 resets) in 4105 ms. (974 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 7131850 steps, run timeout after 33001 ms. (steps per millisecond=216 ) properties seen :0 out of 5
Probabilistic random walk after 7131850 steps, saw 1876868 distinct states, run finished after 33002 ms. (steps per millisecond=216 ) properties seen :0
[2025-06-01 00:03:14] [INFO ] Invariant cache hit.
[2025-06-01 00:03:14] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 92/489 variables, 12/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 5 unsolved in 244 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 53 constraints, problems are : Problem set: 0 solved, 5 unsolved in 75007 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 75261ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 14 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-06-01 00:04:29] [INFO ] Invariant cache hit.
[2025-06-01 00:04:30] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-01 00:04:30] [INFO ] Invariant cache hit.
[2025-06-01 00:04:30] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-01 00:04:30] [INFO ] Implicit Places using invariants and state equation in 606 ms returned []
Implicit Place search using SMT with State Equation took 654 ms to find 0 implicit places.
[2025-06-01 00:04:30] [INFO ] Redundant transitions in 13 ms returned []
Running 452 sub problems to find dead transitions.
[2025-06-01 00:04:30] [INFO ] Invariant cache hit.
[2025-06-01 00:04:30] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 12632 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30013 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 42975ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 42978ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43667 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 195 steps (6 resets) in 9 ms. (19 steps per ms) remains 0/6 properties
Unable to solve all queries for examination QuasiLiveness. Remains :5 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 5 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 438306 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DNAwalker-PT-16redondantChoiceR

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 43
TRANSITIONS: 490
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.002s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 600
MODEL NAME: /home/mcc/execution/model
43 places, 490 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA QuasiLiveness FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1748736384700

--------------------
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="DNAwalker-PT-16redondantChoiceR"
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 DNAwalker-PT-16redondantChoiceR, 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 r084-tall-174860080300277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR 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 ;