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.r098-smll-174860112500307.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)
...........................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is FlexibleBarrier-PT-14b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-smll-174860112500307
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K 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 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 726K 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 1748688200036

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 10:43:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 10:43:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 10:43:23] [INFO ] Load time of PNML (sax parser for PT used): 673 ms
[2025-05-31 10:43:23] [INFO ] Transformed 2678 places.
[2025-05-31 10:43:23] [INFO ] Transformed 3085 transitions.
[2025-05-31 10:43:23] [INFO ] Found NUPN structural information;
[2025-05-31 10:43:23] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 987 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2678/2678 places, 3085/3085 transitions.
Graph (trivial) has 2634 edges and 2678 vertex of which 86 / 2678 are part of one of the 14 SCC in 33 ms
Free SCC test removed 72 places
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 667 transitions
Trivial Post-agglo rules discarded 667 transitions
Performed 667 trivial Post agglomeration. Transition count delta: 667
Iterating post reduction 0 with 667 rules applied. Total rules applied 668 place count 2606 transition count 2345
Reduce places removed 667 places and 0 transitions.
Iterating post reduction 1 with 667 rules applied. Total rules applied 1335 place count 1939 transition count 2345
Performed 182 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 182 Pre rules applied. Total rules applied 1335 place count 1939 transition count 2163
Deduced a syphon composed of 182 places in 26 ms
Reduce places removed 182 places and 0 transitions.
Iterating global reduction 2 with 364 rules applied. Total rules applied 1699 place count 1757 transition count 2163
Performed 1135 Post agglomeration using F-continuation condition.Transition count delta: 1135
Deduced a syphon composed of 1135 places in 5 ms
Reduce places removed 1135 places and 0 transitions.
Iterating global reduction 2 with 2270 rules applied. Total rules applied 3969 place count 622 transition count 1028
Applied a total of 3969 rules in 980 ms. Remains 622 /2678 variables (removed 2056) and now considering 1028/3085 (removed 2057) transitions.
[2025-05-31 10:43:24] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
// Phase 1: matrix 987 rows 622 cols
[2025-05-31 10:43:24] [INFO ] Computed 16 invariants in 100 ms
[2025-05-31 10:43:25] [INFO ] Implicit Places using invariants in 1597 ms returned []
[2025-05-31 10:43:25] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2025-05-31 10:43:25] [INFO ] Invariant cache hit.
[2025-05-31 10:43:26] [INFO ] State equation strengthened by 85 read => feed constraints.
[2025-05-31 10:43:27] [INFO ] Implicit Places using invariants and state equation in 1934 ms returned []
Implicit Place search using SMT with State Equation took 3605 ms to find 0 implicit places.
Running 1027 sub problems to find dead transitions.
[2025-05-31 10:43:27] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2025-05-31 10:43:27] [INFO ] Invariant cache hit.
[2025-05-31 10:43:28] [INFO ] State equation strengthened by 85 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 621/1609 variables, and 621 constraints, problems are : Problem set: 0 solved, 1027 unsolved in 30086 ms.
Refiners :[Domain max(s): 621/622 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 1027/1027 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1027 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/621 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 2 (OVERLAPS) 1/622 variables, 16/637 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/622 variables, 1/638 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 622/1609 variables, and 638 constraints, problems are : Problem set: 0 solved, 1027 unsolved in 30048 ms.
Refiners :[Domain max(s): 622/622 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 0/1027 constraints, Known Traps: 0/0 constraints]
After SMT, in 63993ms problems are : Problem set: 0 solved, 1027 unsolved
Search for dead transitions found 0 dead transitions in 64057ms
Starting structural reductions in LIVENESS mode, iteration 1 : 622/2678 places, 1028/3085 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 68713 ms. Remains : 622/2678 places, 1028/3085 transitions.
Discarding 591 transitions out of 1028. Remains 437
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2044 resets) in 14045 ms. (2 steps per ms) remains 373/436 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
[2025-05-31 10:44:35] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2025-05-31 10:44:35] [INFO ] Invariant cache hit.
[2025-05-31 10:44:35] [INFO ] State equation strengthened by 85 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/557 variables, 557/557 constraints. Problems are: Problem set: 0 solved, 373 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 557/1609 variables, and 557 constraints, problems are : Problem set: 0 solved, 373 unsolved in 5022 ms.
Refiners :[Domain max(s): 557/622 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 373/373 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 373 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/557 variables, 557/557 constraints. Problems are: Problem set: 0 solved, 373 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 557/1609 variables, and 557 constraints, problems are : Problem set: 0 solved, 373 unsolved in 5020 ms.
Refiners :[Domain max(s): 557/622 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 0/373 constraints, Known Traps: 0/0 constraints]
After SMT, in 10680ms problems are : Problem set: 0 solved, 373 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 557 out of 622 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 622/622 places, 1028/1028 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 42 place count 622 transition count 986
Free-agglomeration rule applied 21 times.
Iterating global reduction 1 with 21 rules applied. Total rules applied 63 place count 622 transition count 965
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 84 place count 601 transition count 965
Applied a total of 84 rules in 366 ms. Remains 601 /622 variables (removed 21) and now considering 965/1028 (removed 63) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 366 ms. Remains : 601/622 places, 965/1028 transitions.
RANDOM walk for 3277093 steps (181328 resets) in 120004 ms. (27 steps per ms) remains 87/373 properties
BEST_FIRST walk for 400004 steps (8 resets) in 574 ms. (695 steps per ms) remains 86/87 properties
BEST_FIRST walk for 400004 steps (8 resets) in 545 ms. (732 steps per ms) remains 85/86 properties
BEST_FIRST walk for 400004 steps (8 resets) in 517 ms. (772 steps per ms) remains 84/85 properties
BEST_FIRST walk for 400004 steps (8 resets) in 589 ms. (677 steps per ms) remains 83/84 properties
BEST_FIRST walk for 400004 steps (8 resets) in 605 ms. (660 steps per ms) remains 82/83 properties
BEST_FIRST walk for 400004 steps (8 resets) in 475 ms. (840 steps per ms) remains 81/82 properties
BEST_FIRST walk for 400004 steps (8 resets) in 471 ms. (847 steps per ms) remains 80/81 properties
BEST_FIRST walk for 400004 steps (8 resets) in 354 ms. (1126 steps per ms) remains 79/80 properties
BEST_FIRST walk for 400004 steps (8 resets) in 350 ms. (1139 steps per ms) remains 78/79 properties
BEST_FIRST walk for 400004 steps (8 resets) in 345 ms. (1156 steps per ms) remains 77/78 properties
BEST_FIRST walk for 400004 steps (8 resets) in 341 ms. (1169 steps per ms) remains 76/77 properties
BEST_FIRST walk for 400004 steps (8 resets) in 343 ms. (1162 steps per ms) remains 75/76 properties
BEST_FIRST walk for 400004 steps (8 resets) in 347 ms. (1149 steps per ms) remains 74/75 properties
BEST_FIRST walk for 400004 steps (8 resets) in 314 ms. (1269 steps per ms) remains 72/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 338 ms. (1179 steps per ms) remains 71/72 properties
BEST_FIRST walk for 400004 steps (8 resets) in 339 ms. (1176 steps per ms) remains 70/71 properties
BEST_FIRST walk for 400004 steps (8 resets) in 335 ms. (1190 steps per ms) remains 69/70 properties
BEST_FIRST walk for 400004 steps (8 resets) in 333 ms. (1197 steps per ms) remains 68/69 properties
BEST_FIRST walk for 400004 steps (8 resets) in 310 ms. (1286 steps per ms) remains 67/68 properties
BEST_FIRST walk for 400004 steps (8 resets) in 331 ms. (1204 steps per ms) remains 66/67 properties
BEST_FIRST walk for 400004 steps (8 resets) in 322 ms. (1238 steps per ms) remains 65/66 properties
BEST_FIRST walk for 400003 steps (8 resets) in 324 ms. (1230 steps per ms) remains 64/65 properties
BEST_FIRST walk for 400004 steps (8 resets) in 330 ms. (1208 steps per ms) remains 63/64 properties
BEST_FIRST walk for 400004 steps (8 resets) in 306 ms. (1302 steps per ms) remains 62/63 properties
BEST_FIRST walk for 400004 steps (8 resets) in 336 ms. (1186 steps per ms) remains 60/62 properties
BEST_FIRST walk for 400004 steps (8 resets) in 332 ms. (1201 steps per ms) remains 59/60 properties
BEST_FIRST walk for 400004 steps (8 resets) in 331 ms. (1204 steps per ms) remains 58/59 properties
BEST_FIRST walk for 400004 steps (8 resets) in 332 ms. (1201 steps per ms) remains 57/58 properties
BEST_FIRST walk for 400004 steps (8 resets) in 315 ms. (1265 steps per ms) remains 56/57 properties
BEST_FIRST walk for 400004 steps (8 resets) in 262 ms. (1520 steps per ms) remains 55/56 properties
BEST_FIRST walk for 400004 steps (8 resets) in 251 ms. (1587 steps per ms) remains 54/55 properties
BEST_FIRST walk for 400004 steps (8 resets) in 252 ms. (1581 steps per ms) remains 53/54 properties
BEST_FIRST walk for 400004 steps (8 resets) in 271 ms. (1470 steps per ms) remains 52/53 properties
BEST_FIRST walk for 400004 steps (8 resets) in 247 ms. (1612 steps per ms) remains 51/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 244 ms. (1632 steps per ms) remains 50/51 properties
BEST_FIRST walk for 400004 steps (8 resets) in 249 ms. (1600 steps per ms) remains 49/50 properties
BEST_FIRST walk for 400004 steps (8 resets) in 315 ms. (1265 steps per ms) remains 48/49 properties
BEST_FIRST walk for 400004 steps (8 resets) in 310 ms. (1286 steps per ms) remains 47/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 306 ms. (1302 steps per ms) remains 46/47 properties
BEST_FIRST walk for 400004 steps (8 resets) in 315 ms. (1265 steps per ms) remains 45/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 313 ms. (1273 steps per ms) remains 44/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 250 ms. (1593 steps per ms) remains 43/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 238 ms. (1673 steps per ms) remains 42/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 248 ms. (1606 steps per ms) remains 41/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 238 ms. (1673 steps per ms) remains 40/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 237 ms. (1680 steps per ms) remains 39/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 236 ms. (1687 steps per ms) remains 38/39 properties
BEST_FIRST walk for 400004 steps (8 resets) in 236 ms. (1687 steps per ms) remains 37/38 properties
BEST_FIRST walk for 400004 steps (72 resets) in 192 ms. (2072 steps per ms) remains 36/37 properties
BEST_FIRST walk for 400004 steps (72 resets) in 195 ms. (2040 steps per ms) remains 32/36 properties
BEST_FIRST walk for 400004 steps (72 resets) in 204 ms. (1951 steps per ms) remains 32/32 properties
BEST_FIRST walk for 400004 steps (72 resets) in 196 ms. (2030 steps per ms) remains 29/32 properties
BEST_FIRST walk for 400004 steps (72 resets) in 189 ms. (2105 steps per ms) remains 28/29 properties
BEST_FIRST walk for 400004 steps (72 resets) in 191 ms. (2083 steps per ms) remains 26/28 properties
BEST_FIRST walk for 400004 steps (117 resets) in 203 ms. (1960 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 204 ms. (1951 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 206 ms. (1932 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (115 resets) in 215 ms. (1851 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (118 resets) in 208 ms. (1913 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 205 ms. (1941 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (115 resets) in 205 ms. (1941 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 208 ms. (1913 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 208 ms. (1913 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (118 resets) in 209 ms. (1904 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 215 ms. (1851 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 207 ms. (1923 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (114 resets) in 207 ms. (1923 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (117 resets) in 207 ms. (1923 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (117 resets) in 208 ms. (1913 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (115 resets) in 271 ms. (1470 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 279 ms. (1428 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (115 resets) in 280 ms. (1423 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (118 resets) in 274 ms. (1454 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (115 resets) in 271 ms. (1470 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 271 ms. (1470 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 268 ms. (1487 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (116 resets) in 268 ms. (1487 steps per ms) remains 26/26 properties
// Phase 1: matrix 965 rows 601 cols
[2025-05-31 10:45:23] [INFO ] Computed 16 invariants in 37 ms
[2025-05-31 10:45:23] [INFO ] State equation strengthened by 91 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 542/570 variables, 15/43 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/570 variables, 542/585 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/570 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 31/601 variables, 1/586 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/601 variables, 31/617 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/601 variables, 0/617 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 965/1566 variables, 601/1218 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1566 variables, 91/1309 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1566 variables, 0/1309 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (OVERLAPS) 0/1566 variables, 0/1309 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1566/1566 variables, and 1309 constraints, problems are : Problem set: 0 solved, 26 unsolved in 5167 ms.
Refiners :[Domain max(s): 601/601 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 601/601 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 542/570 variables, 15/43 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/570 variables, 542/585 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/570 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 31/601 variables, 1/586 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/601 variables, 31/617 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/601 variables, 0/617 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 965/1566 variables, 601/1218 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1566 variables, 91/1309 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1566 variables, 26/1335 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1566 variables, 0/1335 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 0/1566 variables, 0/1335 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1566/1566 variables, and 1335 constraints, problems are : Problem set: 0 solved, 26 unsolved in 45011 ms.
Refiners :[Domain max(s): 601/601 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 601/601 constraints, ReadFeed: 91/91 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
After SMT, in 50283ms problems are : Problem set: 0 solved, 26 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 28 out of 601 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 601/601 places, 965/965 transitions.
Discarding 163 places :
Symmetric choice reduction at 0 with 163 rule applications. Total rules 163 place count 438 transition count 802
Iterating global reduction 0 with 163 rules applied. Total rules applied 326 place count 438 transition count 802
Ensure Unique test removed 162 transitions
Reduce isomorphic transitions removed 162 transitions.
Iterating post reduction 0 with 162 rules applied. Total rules applied 488 place count 438 transition count 640
Free-agglomeration rule applied 182 times with reduction of 4 identical transitions.
Iterating global reduction 1 with 182 rules applied. Total rules applied 670 place count 438 transition count 454
Reduce places removed 182 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 185 rules applied. Total rules applied 855 place count 256 transition count 451
Discarding 78 places :
Symmetric choice reduction at 2 with 78 rule applications. Total rules 933 place count 178 transition count 373
Iterating global reduction 2 with 78 rules applied. Total rules applied 1011 place count 178 transition count 373
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 2 with 78 rules applied. Total rules applied 1089 place count 178 transition count 295
Applied a total of 1089 rules in 200 ms. Remains 178 /601 variables (removed 423) and now considering 295/965 (removed 670) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 178/601 places, 295/965 transitions.
RANDOM walk for 497110 steps (5413 resets) in 5523 ms. (89 steps per ms) remains 0/26 properties
Able to resolve query QuasiLiveness after proving 437 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 173617 ms.
ITS solved all properties within timeout

BK_STOP 1748688375853

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="FlexibleBarrier-PT-14b"
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 FlexibleBarrier-PT-14b, 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 r098-smll-174860112500307"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b 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 ;