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-174860112200182.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 FireWire-PT-07, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-smll-174860112200182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K 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 95K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 97K 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 1748678780863

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 08:06:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 08:06:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 08:06:23] [INFO ] Load time of PNML (sax parser for PT used): 154 ms
[2025-05-31 08:06:23] [INFO ] Transformed 126 places.
[2025-05-31 08:06:23] [INFO ] Transformed 396 transitions.
[2025-05-31 08:06:23] [INFO ] Found NUPN structural information;
[2025-05-31 08:06:23] [INFO ] Parsed PT model containing 126 places and 396 transitions and 1471 arcs in 345 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 126/126 places, 396/396 transitions.
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 0 with 53 rules applied. Total rules applied 53 place count 126 transition count 343
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 55 place count 125 transition count 342
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 61 place count 122 transition count 348
Applied a total of 61 rules in 85 ms. Remains 122 /126 variables (removed 4) and now considering 348/396 (removed 48) transitions.
[2025-05-31 08:06:23] [INFO ] Flow matrix only has 306 transitions (discarded 42 similar events)
// Phase 1: matrix 306 rows 122 cols
[2025-05-31 08:06:23] [INFO ] Computed 8 invariants in 28 ms
[2025-05-31 08:06:24] [INFO ] Implicit Places using invariants in 498 ms returned []
[2025-05-31 08:06:24] [INFO ] Flow matrix only has 306 transitions (discarded 42 similar events)
[2025-05-31 08:06:24] [INFO ] Invariant cache hit.
[2025-05-31 08:06:24] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-05-31 08:06:25] [INFO ] Implicit Places using invariants and state equation in 619 ms returned []
Implicit Place search using SMT with State Equation took 1183 ms to find 0 implicit places.
Running 347 sub problems to find dead transitions.
[2025-05-31 08:06:25] [INFO ] Flow matrix only has 306 transitions (discarded 42 similar events)
[2025-05-31 08:06:25] [INFO ] Invariant cache hit.
[2025-05-31 08:06:25] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 121/121 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 2 (OVERLAPS) 1/122 variables, 8/129 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 347 unsolved
[2025-05-31 08:06:31] [INFO ] Deduced a trap composed of 43 places in 115 ms of which 22 ms to minimize.
[2025-05-31 08:06:31] [INFO ] Deduced a trap composed of 35 places in 71 ms of which 2 ms to minimize.
[2025-05-31 08:06:32] [INFO ] Deduced a trap composed of 42 places in 142 ms of which 3 ms to minimize.
[2025-05-31 08:06:32] [INFO ] Deduced a trap composed of 24 places in 120 ms of which 2 ms to minimize.
[2025-05-31 08:06:32] [INFO ] Deduced a trap composed of 23 places in 154 ms of which 3 ms to minimize.
[2025-05-31 08:06:33] [INFO ] Deduced a trap composed of 17 places in 100 ms of which 1 ms to minimize.
[2025-05-31 08:06:33] [INFO ] Deduced a trap composed of 22 places in 95 ms of which 3 ms to minimize.
[2025-05-31 08:06:33] [INFO ] Deduced a trap composed of 17 places in 89 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 8/138 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 6 (OVERLAPS) 305/427 variables, 122/260 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/427 variables, 46/306 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/427 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 9 (OVERLAPS) 1/428 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/428 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 11 (OVERLAPS) 0/428 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 347 unsolved
No progress, stopping.
After SMT solving in domain Real declared 428/428 variables, and 307 constraints, problems are : Problem set: 0 solved, 347 unsolved in 28436 ms.
Refiners :[Domain max(s): 122/122 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 347/347 constraints, Known Traps: 8/8 constraints]
Escalating to Integer solving :Problem set: 0 solved, 347 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 121/121 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 2 (OVERLAPS) 1/122 variables, 8/129 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 8/138 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 6 (OVERLAPS) 305/427 variables, 122/260 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/427 variables, 46/306 constraints. Problems are: Problem set: 0 solved, 347 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/427 variables, 347/653 constraints. Problems are: Problem set: 0 solved, 347 unsolved
[2025-05-31 08:07:07] [INFO ] Deduced a trap composed of 15 places in 151 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/427 variables, 1/654 constraints. Problems are: Problem set: 0 solved, 347 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 427/428 variables, and 654 constraints, problems are : Problem set: 0 solved, 347 unsolved in 30040 ms.
Refiners :[Domain max(s): 122/122 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 46/47 constraints, PredecessorRefiner: 347/347 constraints, Known Traps: 9/9 constraints]
After SMT, in 59365ms problems are : Problem set: 0 solved, 347 unsolved
Search for dead transitions found 0 dead transitions in 59423ms
Starting structural reductions in LIVENESS mode, iteration 1 : 122/126 places, 348/396 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 60763 ms. Remains : 122/126 places, 348/396 transitions.
Discarding 113 transitions out of 348. Remains 235
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2209 resets) in 3810 ms. (10 steps per ms) remains 118/234 properties
BEST_FIRST walk for 402 steps (14 resets) in 10 ms. (36 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (9 resets) in 9 ms. (40 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (10 resets) in 10 ms. (36 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (9 resets) in 14 ms. (26 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (11 resets) in 13 ms. (28 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (10 resets) in 11 ms. (33 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (11 resets) in 12 ms. (30 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (10 resets) in 12 ms. (31 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (11 resets) in 11 ms. (33 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (10 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (9 resets) in 11 ms. (33 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (11 resets) in 12 ms. (31 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (10 resets) in 12 ms. (31 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (11 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (10 resets) in 13 ms. (28 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (9 resets) in 12 ms. (30 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (9 resets) in 19 ms. (20 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (12 resets) in 17 ms. (22 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (9 resets) in 13 ms. (28 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (8 resets) in 10 ms. (36 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (9 resets) in 11 ms. (33 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (12 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (11 resets) in 7 ms. (50 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (9 resets) in 13 ms. (28 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (11 resets) in 11 ms. (33 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (10 resets) in 22 ms. (17 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (11 resets) in 7 ms. (50 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (11 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (10 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (13 resets) in 5 ms. (67 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (12 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (8 resets) in 5 ms. (66 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (10 resets) in 8 ms. (44 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (9 resets) in 5 ms. (67 steps per ms) remains 118/118 properties
BEST_FIRST walk for 402 steps (14 resets) in 7 ms. (50 steps per ms) remains 118/118 properties
BEST_FIRST walk for 403 steps (10 resets) in 6 ms. (57 steps per ms) remains 118/118 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 118/118 properties
BEST_FIRST walk for 401 steps (11 resets) in 6 ms. (57 steps per ms) remains 118/118 properties
[2025-05-31 08:07:25] [INFO ] Flow matrix only has 306 transitions (discarded 42 similar events)
[2025-05-31 08:07:25] [INFO ] Invariant cache hit.
[2025-05-31 08:07:25] [INFO ] State equation strengthened by 47 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 2 (OVERLAPS) 39/120 variables, 8/89 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/120 variables, 39/128 constraints. Problems are: Problem set: 0 solved, 118 unsolved
[2025-05-31 08:07:28] [INFO ] Deduced a trap composed of 15 places in 146 ms of which 3 ms to minimize.
[2025-05-31 08:07:28] [INFO ] Deduced a trap composed of 43 places in 67 ms of which 1 ms to minimize.
[2025-05-31 08:07:28] [INFO ] Deduced a trap composed of 35 places in 55 ms of which 2 ms to minimize.
[2025-05-31 08:07:28] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 2 ms to minimize.
[2025-05-31 08:07:29] [INFO ] Deduced a trap composed of 26 places in 143 ms of which 2 ms to minimize.
[2025-05-31 08:07:29] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
[2025-05-31 08:07:29] [INFO ] Deduced a trap composed of 22 places in 209 ms of which 23 ms to minimize.
[2025-05-31 08:07:29] [INFO ] Deduced a trap composed of 42 places in 174 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 8/136 constraints. Problems are: Problem set: 0 solved, 118 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/120 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 118 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 305/425 variables, 120/256 constraints. Problems are: Problem set: 0 solved, 118 unsolved
SMT process timed out in 5192ms, After SMT, problems are : Problem set: 0 solved, 118 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 81 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 348/348 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 122 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 1 with 9 rules applied. Total rules applied 18 place count 122 transition count 330
Applied a total of 18 rules in 82 ms. Remains 122 /122 variables (removed 0) and now considering 330/348 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 122/122 places, 330/348 transitions.
RANDOM walk for 4000000 steps (219258 resets) in 54777 ms. (73 steps per ms) remains 67/118 properties
BEST_FIRST walk for 400001 steps (15321 resets) in 1451 ms. (275 steps per ms) remains 67/67 properties
BEST_FIRST walk for 400003 steps (5788 resets) in 827 ms. (483 steps per ms) remains 66/67 properties
BEST_FIRST walk for 400004 steps (5505 resets) in 833 ms. (479 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (60 resets) in 1526 ms. (261 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (5496 resets) in 836 ms. (477 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400001 steps (10783 resets) in 964 ms. (414 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (5600 resets) in 832 ms. (480 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (177 resets) in 1441 ms. (277 steps per ms) remains 60/66 properties
BEST_FIRST walk for 400004 steps (5447 resets) in 796 ms. (501 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (10851 resets) in 929 ms. (430 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (5547 resets) in 802 ms. (498 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400003 steps (317 resets) in 1283 ms. (311 steps per ms) remains 59/60 properties
BEST_FIRST walk for 400004 steps (5438 resets) in 791 ms. (505 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (10727 resets) in 911 ms. (438 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (5643 resets) in 794 ms. (503 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (189 resets) in 1537 ms. (260 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (5505 resets) in 785 ms. (508 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400000 steps (10737 resets) in 916 ms. (436 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (5732 resets) in 792 ms. (504 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (362 resets) in 1190 ms. (335 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (5683 resets) in 794 ms. (503 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (10819 resets) in 916 ms. (436 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (5827 resets) in 793 ms. (503 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (113 resets) in 1355 ms. (294 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (5453 resets) in 784 ms. (509 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400001 steps (10784 resets) in 961 ms. (415 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (5547 resets) in 780 ms. (512 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400001 steps (162 resets) in 1555 ms. (257 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (5369 resets) in 776 ms. (514 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (10686 resets) in 900 ms. (443 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400003 steps (5680 resets) in 770 ms. (518 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400002 steps (140 resets) in 1509 ms. (264 steps per ms) remains 55/59 properties
BEST_FIRST walk for 400004 steps (5330 resets) in 770 ms. (518 steps per ms) remains 55/55 properties
BEST_FIRST walk for 400002 steps (10716 resets) in 883 ms. (452 steps per ms) remains 55/55 properties
BEST_FIRST walk for 400004 steps (5649 resets) in 772 ms. (517 steps per ms) remains 55/55 properties
BEST_FIRST walk for 400003 steps (385 resets) in 1549 ms. (258 steps per ms) remains 54/55 properties
BEST_FIRST walk for 400002 steps (5626 resets) in 763 ms. (523 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (10828 resets) in 876 ms. (456 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400004 steps (5726 resets) in 760 ms. (525 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400002 steps (231 resets) in 1352 ms. (295 steps per ms) remains 54/54 properties
BEST_FIRST walk for 400003 steps (5642 resets) in 758 ms. (527 steps per ms) remains 53/54 properties
BEST_FIRST walk for 400004 steps (10731 resets) in 867 ms. (460 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400001 steps (301 resets) in 1134 ms. (352 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (10772 resets) in 860 ms. (464 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400002 steps (5759 resets) in 744 ms. (536 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (194 resets) in 1267 ms. (315 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (10776 resets) in 854 ms. (467 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5623 resets) in 734 ms. (544 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400002 steps (5396 resets) in 735 ms. (543 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5441 resets) in 738 ms. (541 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5718 resets) in 752 ms. (531 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5584 resets) in 740 ms. (539 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5633 resets) in 753 ms. (530 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400002 steps (5756 resets) in 738 ms. (541 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400003 steps (5551 resets) in 738 ms. (541 steps per ms) remains 53/53 properties
[2025-05-31 08:08:14] [INFO ] Flow matrix only has 302 transitions (discarded 28 similar events)
// Phase 1: matrix 302 rows 122 cols
[2025-05-31 08:08:14] [INFO ] Computed 8 invariants in 4 ms
[2025-05-31 08:08:14] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 76/116 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 76/122 constraints. Problems are: Problem set: 0 solved, 53 unsolved
[2025-05-31 08:08:15] [INFO ] Deduced a trap composed of 24 places in 131 ms of which 2 ms to minimize.
[2025-05-31 08:08:15] [INFO ] Deduced a trap composed of 15 places in 118 ms of which 2 ms to minimize.
[2025-05-31 08:08:15] [INFO ] Deduced a trap composed of 43 places in 65 ms of which 1 ms to minimize.
[2025-05-31 08:08:15] [INFO ] Deduced a trap composed of 35 places in 52 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 4/126 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 4/120 variables, 2/128 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 53 unsolved
[2025-05-31 08:08:16] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
[2025-05-31 08:08:16] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 302/422 variables, 120/254 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/422 variables, 46/300 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/422 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (OVERLAPS) 2/424 variables, 2/302 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 2/304 constraints. Problems are: Problem set: 0 solved, 53 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/424 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 16 (OVERLAPS) 0/424 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Real declared 424/424 variables, and 304 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5908 ms.
Refiners :[Domain max(s): 122/122 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 6/6 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 76/116 variables, 6/46 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/116 variables, 76/122 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 4/126 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (OVERLAPS) 4/120 variables, 2/128 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/120 variables, 4/132 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 2/134 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (OVERLAPS) 302/422 variables, 120/254 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/422 variables, 46/300 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/422 variables, 53/353 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/422 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 14 (OVERLAPS) 2/424 variables, 2/355 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/424 variables, 2/357 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/424 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 17 (OVERLAPS) 0/424 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 53 unsolved
No progress, stopping.
After SMT solving in domain Int declared 424/424 variables, and 357 constraints, problems are : Problem set: 0 solved, 53 unsolved in 9434 ms.
Refiners :[Domain max(s): 122/122 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 122/122 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 6/6 constraints]
After SMT, in 15399ms problems are : Problem set: 0 solved, 53 unsolved
Parikh walk visited 0 properties in 6320 ms.
Support contains 40 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 330/330 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 119 transition count 323
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 119 transition count 323
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 119 transition count 321
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 118 transition count 319
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 118 transition count 319
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 117 transition count 318
Applied a total of 11 rules in 50 ms. Remains 117 /122 variables (removed 5) and now considering 318/330 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 117/122 places, 318/330 transitions.
RANDOM walk for 4000000 steps (231555 resets) in 25450 ms. (157 steps per ms) remains 52/53 properties
BEST_FIRST walk for 400004 steps (5707 resets) in 696 ms. (573 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400001 steps (371 resets) in 1367 ms. (292 steps per ms) remains 49/52 properties
BEST_FIRST walk for 400004 steps (11114 resets) in 771 ms. (518 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5670 resets) in 678 ms. (589 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (405 resets) in 1173 ms. (340 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5410 resets) in 678 ms. (589 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (10979 resets) in 767 ms. (520 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5667 resets) in 678 ms. (589 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (301 resets) in 1012 ms. (394 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5655 resets) in 679 ms. (588 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (11116 resets) in 793 ms. (503 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5738 resets) in 683 ms. (584 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400001 steps (445 resets) in 1407 ms. (284 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5559 resets) in 673 ms. (593 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (11055 resets) in 765 ms. (522 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5837 resets) in 688 ms. (580 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (447 resets) in 1162 ms. (343 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5455 resets) in 1068 ms. (374 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (11084 resets) in 758 ms. (527 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (5650 resets) in 675 ms. (591 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (250 resets) in 1277 ms. (312 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5518 resets) in 678 ms. (589 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (11131 resets) in 764 ms. (522 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (5782 resets) in 678 ms. (589 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (428 resets) in 1403 ms. (284 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5537 resets) in 679 ms. (588 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (11016 resets) in 762 ms. (524 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5914 resets) in 694 ms. (575 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (563 resets) in 1098 ms. (363 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5651 resets) in 688 ms. (580 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (11007 resets) in 768 ms. (520 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5749 resets) in 682 ms. (585 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400002 steps (290 resets) in 1054 ms. (379 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5381 resets) in 861 ms. (464 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (11124 resets) in 1231 ms. (324 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400001 steps (5655 resets) in 684 ms. (583 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400001 steps (198 resets) in 1090 ms. (366 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5497 resets) in 692 ms. (577 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400001 steps (11096 resets) in 765 ms. (522 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (303 resets) in 1235 ms. (323 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (11072 resets) in 773 ms. (516 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5758 resets) in 675 ms. (591 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5556 resets) in 681 ms. (586 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5694 resets) in 680 ms. (587 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5676 resets) in 681 ms. (586 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5791 resets) in 682 ms. (585 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (5501 resets) in 679 ms. (588 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5710 resets) in 682 ms. (585 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400003 steps (5727 resets) in 685 ms. (583 steps per ms) remains 49/49 properties
Finished probabilistic random walk after 14985771 steps, run visited all 49 properties in 59904 ms. (steps per millisecond=250 )
Probabilistic random walk after 14985771 steps, saw 2631097 distinct states, run finished after 59913 ms. (steps per millisecond=250 ) properties seen :49
Able to resolve query QuasiLiveness after proving 235 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 212742 ms.
ITS solved all properties within timeout

BK_STOP 1748678996180

--------------------
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="FireWire-PT-07"
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 FireWire-PT-07, 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-174860112200182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-07.tgz
mv FireWire-PT-07 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 ;