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.r070-smll-174854076000012.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 DBSingleClientW-PT-d0m06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-174854076000012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K 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 3.8K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 119K 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 1748644678973

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d0m06
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 22:38:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 22:38:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 22:38:02] [INFO ] Load time of PNML (sax parser for PT used): 195 ms
[2025-05-30 22:38:02] [INFO ] Transformed 553 places.
[2025-05-30 22:38:02] [INFO ] Transformed 150 transitions.
[2025-05-30 22:38:02] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 465 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 553/553 places, 150/150 transitions.
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 462 rules applied. Total rules applied 462 place count 102 transition count 139
Applied a total of 462 rules in 82 ms. Remains 102 /553 variables (removed 451) and now considering 139/150 (removed 11) transitions.
// Phase 1: matrix 139 rows 102 cols
[2025-05-30 22:38:02] [INFO ] Computed 2 invariants in 35 ms
[2025-05-30 22:38:02] [INFO ] Implicit Places using invariants in 546 ms returned []
[2025-05-30 22:38:02] [INFO ] Invariant cache hit.
[2025-05-30 22:38:03] [INFO ] State equation strengthened by 63 read => feed constraints.
[2025-05-30 22:38:03] [INFO ] Implicit Places using invariants and state equation in 613 ms returned []
Implicit Place search using SMT with State Equation took 1227 ms to find 0 implicit places.
Running 138 sub problems to find dead transitions.
[2025-05-30 22:38:03] [INFO ] Invariant cache hit.
[2025-05-30 22:38:03] [INFO ] State equation strengthened by 63 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 139/241 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (OVERLAPS) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 167 constraints, problems are : Problem set: 0 solved, 138 unsolved in 6058 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 139/241 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 138/305 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (OVERLAPS) 0/241 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 305 constraints, problems are : Problem set: 0 solved, 138 unsolved in 11062 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 0/0 constraints]
After SMT, in 17778ms problems are : Problem set: 0 solved, 138 unsolved
Search for dead transitions found 0 dead transitions in 17809ms
Starting structural reductions in LIVENESS mode, iteration 1 : 102/553 places, 139/150 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 19184 ms. Remains : 102/553 places, 139/150 transitions.
Discarding 48 transitions out of 139. Remains 91
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (9160 resets) in 2476 ms. (16 steps per ms) remains 46/90 properties
BEST_FIRST walk for 4001 steps (211 resets) in 85 ms. (46 steps per ms) remains 46/46 properties
BEST_FIRST walk for 4003 steps (188 resets) in 66 ms. (59 steps per ms) remains 46/46 properties
BEST_FIRST walk for 4004 steps (194 resets) in 81 ms. (48 steps per ms) remains 46/46 properties
BEST_FIRST walk for 4004 steps (194 resets) in 114 ms. (34 steps per ms) remains 46/46 properties
BEST_FIRST walk for 4003 steps (189 resets) in 22 ms. (174 steps per ms) remains 45/46 properties
BEST_FIRST walk for 4003 steps (204 resets) in 37 ms. (105 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4001 steps (210 resets) in 38 ms. (102 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4004 steps (201 resets) in 17 ms. (222 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (187 resets) in 13 ms. (285 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4004 steps (184 resets) in 15 ms. (250 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (197 resets) in 13 ms. (285 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (199 resets) in 25 ms. (153 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (199 resets) in 13 ms. (285 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (212 resets) in 12 ms. (307 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (184 resets) in 12 ms. (307 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4001 steps (205 resets) in 29 ms. (133 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (199 resets) in 20 ms. (190 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4004 steps (211 resets) in 20 ms. (190 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (204 resets) in 17 ms. (222 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (188 resets) in 15 ms. (250 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (197 resets) in 19 ms. (200 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (186 resets) in 17 ms. (222 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4000 steps (800 resets) in 26 ms. (148 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4000 steps (800 resets) in 25 ms. (153 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (402 resets) in 30 ms. (129 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4001 steps (406 resets) in 20 ms. (190 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (397 resets) in 26 ms. (148 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (397 resets) in 22 ms. (174 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (420 resets) in 22 ms. (174 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (410 resets) in 34 ms. (114 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (418 resets) in 25 ms. (153 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (412 resets) in 24 ms. (160 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4004 steps (388 resets) in 20 ms. (190 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (426 resets) in 25 ms. (153 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4002 steps (406 resets) in 20 ms. (190 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4003 steps (385 resets) in 32 ms. (121 steps per ms) remains 45/45 properties
BEST_FIRST walk for 4001 steps (402 resets) in 23 ms. (166 steps per ms) remains 43/45 properties
BEST_FIRST walk for 4002 steps (390 resets) in 22 ms. (174 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4001 steps (405 resets) in 23 ms. (166 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (373 resets) in 29 ms. (133 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4001 steps (398 resets) in 18 ms. (210 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4001 steps (391 resets) in 21 ms. (181 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4002 steps (399 resets) in 25 ms. (153 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4002 steps (422 resets) in 25 ms. (153 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4001 steps (384 resets) in 25 ms. (153 steps per ms) remains 43/43 properties
[2025-05-30 22:38:22] [INFO ] Invariant cache hit.
[2025-05-30 22:38:22] [INFO ] State equation strengthened by 63 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 18/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 21/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 123/213 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 43 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 47/139 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 8 (OVERLAPS) 28/241 variables, 12/151 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 16/167 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (OVERLAPS) 0/241 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 43 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 167 constraints, problems are : Problem set: 0 solved, 43 unsolved in 2461 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 43 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 1 (OVERLAPS) 18/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 3 (OVERLAPS) 21/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 5 (OVERLAPS) 123/213 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 47/139 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 16/155 constraints. Problems are: Problem set: 0 solved, 43 unsolved
[2025-05-30 22:38:26] [INFO ] Deduced a trap composed of 37 places in 107 ms of which 28 ms to minimize.
[2025-05-30 22:38:26] [INFO ] Deduced a trap composed of 38 places in 87 ms of which 3 ms to minimize.
[2025-05-30 22:38:26] [INFO ] Deduced a trap composed of 38 places in 89 ms of which 3 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 77 ms of which 2 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 258 ms of which 2 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 37 places in 101 ms of which 2 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 155 ms of which 1 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 187 ms of which 2 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 85 ms of which 2 ms to minimize.
[2025-05-30 22:38:27] [INFO ] Deduced a trap composed of 38 places in 64 ms of which 2 ms to minimize.
[2025-05-30 22:38:28] [INFO ] Deduced a trap composed of 38 places in 62 ms of which 2 ms to minimize.
[2025-05-30 22:38:28] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 2 ms to minimize.
[2025-05-30 22:38:28] [INFO ] Deduced a trap composed of 38 places in 73 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/213 variables, 13/168 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/213 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 10 (OVERLAPS) 28/241 variables, 12/180 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 16/196 constraints. Problems are: Problem set: 0 solved, 43 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/241 variables, 27/223 constraints. Problems are: Problem set: 0 solved, 43 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 223 constraints, problems are : Problem set: 0 solved, 43 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 43/43 constraints, Known Traps: 13/13 constraints]
After SMT, in 7547ms problems are : Problem set: 0 solved, 43 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 51 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 95 transition count 128
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 95 transition count 128
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 94 transition count 127
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 94 transition count 127
Applied a total of 16 rules in 45 ms. Remains 94 /102 variables (removed 8) and now considering 127/139 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 94/102 places, 127/139 transitions.
RANDOM walk for 4000000 steps (915244 resets) in 26345 ms. (151 steps per ms) remains 21/43 properties
BEST_FIRST walk for 400003 steps (19817 resets) in 712 ms. (561 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400002 steps (19621 resets) in 705 ms. (566 steps per ms) remains 18/21 properties
BEST_FIRST walk for 400003 steps (19985 resets) in 651 ms. (613 steps per ms) remains 14/18 properties
BEST_FIRST walk for 400002 steps (19812 resets) in 531 ms. (751 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400000 steps (80000 resets) in 914 ms. (437 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (40504 resets) in 708 ms. (564 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400001 steps (40822 resets) in 724 ms. (551 steps per ms) remains 13/14 properties
BEST_FIRST walk for 400002 steps (40309 resets) in 680 ms. (587 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400002 steps (40732 resets) in 668 ms. (597 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400003 steps (40245 resets) in 670 ms. (596 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400003 steps (40676 resets) in 639 ms. (625 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400001 steps (40672 resets) in 651 ms. (613 steps per ms) remains 12/13 properties
BEST_FIRST walk for 400003 steps (40290 resets) in 602 ms. (663 steps per ms) remains 10/12 properties
// Phase 1: matrix 127 rows 94 cols
[2025-05-30 22:38:41] [INFO ] Computed 2 invariants in 8 ms
[2025-05-30 22:38:41] [INFO ] State equation strengthened by 56 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 27/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 25/67 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 92/159 variables, 67/69 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 21/90 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 52/211 variables, 22/112 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 30/142 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 10/221 variables, 5/147 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 5/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/221 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 0/221 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 152 constraints, problems are : Problem set: 0 solved, 10 unsolved in 584 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 27/42 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 25/67 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 92/159 variables, 67/69 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/159 variables, 21/90 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/159 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/159 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 52/211 variables, 22/114 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 30/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/211 variables, 8/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/211 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 10/221 variables, 5/157 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/221 variables, 5/162 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/221 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 0/221 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 221/221 variables, and 162 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 94/94 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 1814ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 0 properties in 1000 ms.
Support contains 15 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 127/127 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 83 transition count 106
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 83 transition count 106
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 32 place count 73 transition count 96
Iterating global reduction 0 with 10 rules applied. Total rules applied 42 place count 73 transition count 96
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 45 place count 70 transition count 90
Iterating global reduction 0 with 3 rules applied. Total rules applied 48 place count 70 transition count 90
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 49 place count 70 transition count 89
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 51 place count 68 transition count 86
Iterating global reduction 1 with 2 rules applied. Total rules applied 53 place count 68 transition count 86
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 55 place count 66 transition count 84
Iterating global reduction 1 with 2 rules applied. Total rules applied 57 place count 66 transition count 84
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 59 place count 66 transition count 82
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 60 place count 65 transition count 81
Iterating global reduction 2 with 1 rules applied. Total rules applied 61 place count 65 transition count 81
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 63 place count 65 transition count 79
Applied a total of 63 rules in 32 ms. Remains 65 /94 variables (removed 29) and now considering 79/127 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 65/94 places, 79/127 transitions.
RANDOM walk for 4000000 steps (917728 resets) in 11196 ms. (357 steps per ms) remains 8/10 properties
BEST_FIRST walk for 4000004 steps (201849 resets) in 3247 ms. (1231 steps per ms) remains 2/8 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 2921 ms. (1368 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000002 steps (407800 resets) in 2405 ms. (1662 steps per ms) remains 2/2 properties
// Phase 1: matrix 79 rows 65 cols
[2025-05-30 22:38:49] [INFO ] Computed 2 invariants in 2 ms
[2025-05-30 22:38:49] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 22/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/46 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 58/104 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 38/142 variables, 18/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/142 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/144 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/144 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/144 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 144/144 variables, and 97 constraints, problems are : Problem set: 0 solved, 2 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 22/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 20/46 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 58/104 variables, 46/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 38/142 variables, 18/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/142 variables, 20/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/142 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/142 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 2/144 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/144 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/144 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/144 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 144/144 variables, and 99 constraints, problems are : Problem set: 0 solved, 2 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 335ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 195 ms.
Support contains 4 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 79/79 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 60 transition count 70
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 60 transition count 70
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 59 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 59 transition count 69
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 14 place count 59 transition count 67
Applied a total of 14 rules in 17 ms. Remains 59 /65 variables (removed 6) and now considering 67/79 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 59/65 places, 67/79 transitions.
RANDOM walk for 4000000 steps (916997 resets) in 5198 ms. (769 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 2661 ms. (1502 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000003 steps (407215 resets) in 2283 ms. (1751 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 3996 steps, run visited all 2 properties in 46 ms. (steps per millisecond=86 )
Probabilistic random walk after 3996 steps, saw 1812 distinct states, run finished after 52 ms. (steps per millisecond=76 ) properties seen :2
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 51473 ms.
ITS solved all properties within timeout

BK_STOP 1748644733209

--------------------
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="DBSingleClientW-PT-d0m06"
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 DBSingleClientW-PT-d0m06, 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 r070-smll-174854076000012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m06.tgz
mv DBSingleClientW-PT-d0m06 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 ;