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.r266-tall-174931350400272.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 MedleyB-PT-B02, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r266-tall-174931350400272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 696K
-rw-r--r-- 1 mcc users 7.9K Jun 6 09:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Jun 6 09:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Jun 6 09:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Jun 6 09:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Jun 6 12:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 12:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Jun 6 12:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 12:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 11K Jun 6 09:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Jun 6 09:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Jun 6 09:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Jun 6 09:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 6 12:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 6 12:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 4 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 253K Jun 5 20:08 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 1749323544217

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MedleyB-PT-B02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-07 19:12:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-07 19:12:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 19:12:25] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2025-06-07 19:12:25] [INFO ] Transformed 1227 places.
[2025-06-07 19:12:25] [INFO ] Transformed 1472 transitions.
[2025-06-07 19:12:25] [INFO ] Found NUPN structural information;
[2025-06-07 19:12:25] [INFO ] Parsed PT model containing 1227 places and 1472 transitions and 4160 arcs in 195 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1227/1227 places, 1472/1472 transitions.
Graph (trivial) has 1218 edges and 1227 vertex of which 80 / 1227 are part of one of the 12 SCC in 9 ms
Free SCC test removed 68 places
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 924 transitions
Trivial Post-agglo rules discarded 924 transitions
Performed 924 trivial Post agglomeration. Transition count delta: 924
Iterating post reduction 0 with 924 rules applied. Total rules applied 925 place count 1159 transition count 472
Reduce places removed 924 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 940 rules applied. Total rules applied 1865 place count 235 transition count 456
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 1869 place count 231 transition count 456
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 44 Pre rules applied. Total rules applied 1869 place count 231 transition count 412
Deduced a syphon composed of 44 places in 2 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 88 rules applied. Total rules applied 1957 place count 187 transition count 412
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 2077 place count 127 transition count 352
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 2097 place count 117 transition count 370
Applied a total of 2097 rules in 107 ms. Remains 117 /1227 variables (removed 1110) and now considering 370/1472 (removed 1102) transitions.
[2025-06-07 19:12:25] [INFO ] Flow matrix only has 358 transitions (discarded 12 similar events)
// Phase 1: matrix 358 rows 117 cols
[2025-06-07 19:12:25] [INFO ] Computed 5 invariants in 21 ms
[2025-06-07 19:12:26] [INFO ] Implicit Places using invariants in 263 ms returned []
[2025-06-07 19:12:26] [INFO ] Flow matrix only has 358 transitions (discarded 12 similar events)
[2025-06-07 19:12:26] [INFO ] Invariant cache hit.
[2025-06-07 19:12:26] [INFO ] State equation strengthened by 71 read => feed constraints.
[2025-06-07 19:12:26] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 542 ms to find 0 implicit places.
Running 343 sub problems to find dead transitions.
[2025-06-07 19:12:26] [INFO ] Flow matrix only has 358 transitions (discarded 12 similar events)
[2025-06-07 19:12:26] [INFO ] Invariant cache hit.
[2025-06-07 19:12:26] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 116/116 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 2 (OVERLAPS) 1/117 variables, 5/121 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 343 unsolved
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 100 ms of which 9 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 38 places in 84 ms of which 2 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 40 places in 60 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 73 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 66 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 43 places in 72 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 66 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 66 ms of which 1 ms to minimize.
[2025-06-07 19:12:29] [INFO ] Deduced a trap composed of 37 places in 58 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 52 ms of which 0 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 68 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 63 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 38 places in 81 ms of which 10 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 40 places in 61 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 57 ms of which 2 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 85 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 56 ms of which 1 ms to minimize.
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 37 places in 81 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 20/142 constraints. Problems are: Problem set: 0 solved, 343 unsolved
[2025-06-07 19:12:30] [INFO ] Deduced a trap composed of 38 places in 71 ms of which 0 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 40 places in 62 ms of which 1 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 38 places in 69 ms of which 2 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 37 places in 59 ms of which 1 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 37 places in 54 ms of which 1 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 0 ms to minimize.
[2025-06-07 19:12:31] [INFO ] Deduced a trap composed of 37 places in 55 ms of which 0 ms to minimize.
[2025-06-07 19:12:32] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 1 ms to minimize.
[2025-06-07 19:12:32] [INFO ] Deduced a trap composed of 37 places in 55 ms of which 0 ms to minimize.
[2025-06-07 19:12:32] [INFO ] Deduced a trap composed of 37 places in 60 ms of which 0 ms to minimize.
[2025-06-07 19:12:32] [INFO ] Deduced a trap composed of 37 places in 62 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 11/153 constraints. Problems are: Problem set: 0 solved, 343 unsolved
[2025-06-07 19:12:32] [INFO ] Deduced a trap composed of 37 places in 79 ms of which 1 ms to minimize.
[2025-06-07 19:12:33] [INFO ] Deduced a trap composed of 37 places in 60 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 8 (OVERLAPS) 357/474 variables, 117/272 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/474 variables, 70/342 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/474 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 11 (OVERLAPS) 1/475 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/475 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 13 (OVERLAPS) 0/475 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 343 unsolved
No progress, stopping.
After SMT solving in domain Real declared 475/475 variables, and 343 constraints, problems are : Problem set: 0 solved, 343 unsolved in 20852 ms.
Refiners :[Domain max(s): 117/117 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 117/117 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 343/343 constraints, Known Traps: 33/33 constraints]
Escalating to Integer solving :Problem set: 0 solved, 343 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 116/116 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 2 (OVERLAPS) 1/117 variables, 5/121 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 33/155 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 6 (OVERLAPS) 357/474 variables, 117/272 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/474 variables, 70/342 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/474 variables, 343/685 constraints. Problems are: Problem set: 0 solved, 343 unsolved
[2025-06-07 19:12:56] [INFO ] Deduced a trap composed of 38 places in 67 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/474 variables, 1/686 constraints. Problems are: Problem set: 0 solved, 343 unsolved
[2025-06-07 19:13:03] [INFO ] Deduced a trap composed of 38 places in 75 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/474 variables, 1/687 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/474 variables, 0/687 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 12 (OVERLAPS) 1/475 variables, 1/688 constraints. Problems are: Problem set: 0 solved, 343 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 475/475 variables, and 688 constraints, problems are : Problem set: 0 solved, 343 unsolved in 30020 ms.
Refiners :[Domain max(s): 117/117 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 117/117 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 343/343 constraints, Known Traps: 35/35 constraints]
After SMT, in 51398ms problems are : Problem set: 0 solved, 343 unsolved
Search for dead transitions found 0 dead transitions in 51416ms
Starting structural reductions in LIVENESS mode, iteration 1 : 117/1227 places, 370/1472 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 52093 ms. Remains : 117/1227 places, 370/1472 transitions.
Discarding 102 transitions out of 370. Remains 268
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (6110 resets) in 1998 ms. (20 steps per ms) remains 224/267 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 224/224 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 224/224 properties
[2025-06-07 19:13:18] [INFO ] Flow matrix only has 358 transitions (discarded 12 similar events)
[2025-06-07 19:13:18] [INFO ] Invariant cache hit.
[2025-06-07 19:13:18] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 85/85 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 32/117 variables, 5/90 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 32/122 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 76 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 70 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 75 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 104 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 38 places in 70 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 68 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 74 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 65 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 71 ms of which 1 ms to minimize.
[2025-06-07 19:13:20] [INFO ] Deduced a trap composed of 37 places in 57 ms of which 0 ms to minimize.
[2025-06-07 19:13:21] [INFO ] Deduced a trap composed of 37 places in 73 ms of which 0 ms to minimize.
[2025-06-07 19:13:21] [INFO ] Deduced a trap composed of 40 places in 63 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 14/136 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:22] [INFO ] Deduced a trap composed of 37 places in 70 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:22] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 117/475 variables, and 138 constraints, problems are : Problem set: 0 solved, 224 unsolved in 5013 ms.
Refiners :[Domain max(s): 117/117 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/117 constraints, ReadFeed: 0/71 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 16/16 constraints]
Escalating to Integer solving :Problem set: 0 solved, 224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 85/85 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/85 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 2 (OVERLAPS) 32/117 variables, 5/90 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 32/122 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 16/138 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:24] [INFO ] Deduced a trap composed of 37 places in 64 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 1/139 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:25] [INFO ] Deduced a trap composed of 38 places in 62 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 8 (OVERLAPS) 357/474 variables, 117/257 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/474 variables, 70/327 constraints. Problems are: Problem set: 0 solved, 224 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/474 variables, 224/551 constraints. Problems are: Problem set: 0 solved, 224 unsolved
[2025-06-07 19:13:28] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 474/475 variables, and 552 constraints, problems are : Problem set: 0 solved, 224 unsolved in 5018 ms.
Refiners :[Domain max(s): 117/117 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 117/117 constraints, ReadFeed: 70/71 constraints, PredecessorRefiner: 224/224 constraints, Known Traps: 19/19 constraints]
After SMT, in 10315ms problems are : Problem set: 0 solved, 224 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 85 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 370/370 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 117 transition count 357
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 18 place count 112 transition count 352
Iterating global reduction 1 with 5 rules applied. Total rules applied 23 place count 112 transition count 352
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 27 place count 108 transition count 348
Iterating global reduction 1 with 4 rules applied. Total rules applied 31 place count 108 transition count 348
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 35 place count 104 transition count 344
Iterating global reduction 1 with 4 rules applied. Total rules applied 39 place count 104 transition count 344
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 59 place count 104 transition count 324
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 75 place count 104 transition count 308
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 76 place count 104 transition count 307
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 77 place count 103 transition count 307
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 78 place count 103 transition count 307
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 79 place count 103 transition count 306
Applied a total of 79 rules in 88 ms. Remains 103 /117 variables (removed 14) and now considering 306/370 (removed 64) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 103/117 places, 306/370 transitions.
RANDOM walk for 4000000 steps (552678 resets) in 22582 ms. (177 steps per ms) remains 3/224 properties
BEST_FIRST walk for 3478887 steps (30791 resets) in 2861 ms. (1215 steps per ms) remains 0/3 properties
Able to resolve query QuasiLiveness after proving 268 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 71292 ms.
ITS solved all properties within timeout

BK_STOP 1749323616711

--------------------
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="MedleyB-PT-B02"
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 MedleyB-PT-B02, 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 r266-tall-174931350400272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B02.tgz
mv MedleyB-PT-B02 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 ;