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.r196-tall-174889278800272.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 RingSingleMessageInMbox-PT-d1m040, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889278800272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K 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 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K 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 115K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 5.8M 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 1748960494166

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=RingSingleMessageInMbox-PT-d1m040
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 14:21:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-03 14:21:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 14:21:35] [INFO ] Load time of PNML (sax parser for PT used): 453 ms
[2025-06-03 14:21:35] [INFO ] Transformed 6690 places.
[2025-06-03 14:21:36] [INFO ] Transformed 11934 transitions.
[2025-06-03 14:21:36] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 646 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6690/6690 places, 11934/11934 transitions.
Reduce places removed 4322 places and 0 transitions.
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Iterating post reduction 0 with 4424 rules applied. Total rules applied 4424 place count 2368 transition count 11832
Applied a total of 4424 rules in 345 ms. Remains 2368 /6690 variables (removed 4322) and now considering 11832/11934 (removed 102) transitions.
// Phase 1: matrix 11832 rows 2368 cols
[2025-06-03 14:21:36] [INFO ] Computed 3 invariants in 247 ms
[2025-06-03 14:21:38] [INFO ] Implicit Places using invariants in 2153 ms returned []
Implicit Place search using SMT only with invariants took 2180 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 14:21:38] [INFO ] Invariant cache hit.
[2025-06-03 14:21:41] [INFO ] State equation strengthened by 9588 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2367 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11831 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2367/14200 variables, and 1 constraints, problems are : Problem set: 0 solved, 11831 unsolved in 31005 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 11831/65 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11831 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2367 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11831 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2367/14200 variables, and 1 constraints, problems are : Problem set: 0 solved, 11831 unsolved in 30132 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 11766/65 constraints, Known Traps: 0/0 constraints]
After SMT, in 179447ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 179590ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 182182 ms. Remains : 2368/6690 places, 11832/11934 transitions.
Discarding 9470 transitions out of 11832. Remains 2362
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (6065 resets) in 10489 ms. (3 steps per ms) remains 432/2361 properties
BEST_FIRST walk for 404 steps (4 resets) in 17 ms. (22 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 18 ms. (21 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (3 resets) in 13 ms. (28 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 13 ms. (28 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 15 ms. (25 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (3 resets) in 14 ms. (26 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (10 resets) in 23 ms. (16 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 13 ms. (28 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (8 resets) in 21 ms. (18 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 7 ms. (50 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 16 ms. (23 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 17 ms. (22 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 13 ms. (28 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (13 resets) in 20 ms. (19 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 18 ms. (21 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (4 resets) in 18 ms. (21 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (15 resets) in 18 ms. (21 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (10 resets) in 20 ms. (19 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (6 resets) in 11 ms. (33 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (1 resets) in 6 ms. (57 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (7 resets) in 13 ms. (28 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (7 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 6 ms. (57 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (5 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (13 resets) in 12 ms. (31 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (3 resets) in 8 ms. (44 steps per ms) remains 432/432 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 432/432 properties
[2025-06-03 14:24:41] [INFO ] Invariant cache hit.
[2025-06-03 14:24:44] [INFO ] State equation strengthened by 9588 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/439 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 432 unsolved
SMT process timed out in 12477ms, After SMT, problems are : Problem set: 0 solved, 432 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 439 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 858 places :
Symmetric choice reduction at 0 with 858 rule applications. Total rules 858 place count 1510 transition count 2730
Iterating global reduction 0 with 858 rules applied. Total rules applied 1716 place count 1510 transition count 2730
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1848 place count 1510 transition count 2598
Discarding 708 places :
Symmetric choice reduction at 1 with 708 rule applications. Total rules 2556 place count 802 transition count 1890
Iterating global reduction 1 with 708 rules applied. Total rules applied 3264 place count 802 transition count 1890
Ensure Unique test removed 677 transitions
Reduce isomorphic transitions removed 677 transitions.
Iterating post reduction 1 with 677 rules applied. Total rules applied 3941 place count 802 transition count 1213
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 4063 place count 680 transition count 1091
Iterating global reduction 2 with 122 rules applied. Total rules applied 4185 place count 680 transition count 1091
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4283 place count 680 transition count 993
Applied a total of 4283 rules in 414 ms. Remains 680 /2368 variables (removed 1688) and now considering 993/11832 (removed 10839) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 415 ms. Remains : 680/2368 places, 993/11832 transitions.
RANDOM walk for 4000000 steps (680076 resets) in 64427 ms. (62 steps per ms) remains 161/432 properties
BEST_FIRST walk for 40002 steps (582 resets) in 102 ms. (388 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (592 resets) in 131 ms. (303 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (627 resets) in 145 ms. (274 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (652 resets) in 144 ms. (275 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40002 steps (647 resets) in 146 ms. (272 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (627 resets) in 158 ms. (251 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (657 resets) in 140 ms. (283 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (571 resets) in 143 ms. (277 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (597 resets) in 123 ms. (322 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (690 resets) in 140 ms. (283 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (617 resets) in 111 ms. (357 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (640 resets) in 95 ms. (416 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (612 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40002 steps (595 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (610 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (622 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (611 resets) in 76 ms. (519 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (599 resets) in 76 ms. (519 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (612 resets) in 76 ms. (519 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (573 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (559 resets) in 99 ms. (400 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (640 resets) in 96 ms. (412 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (613 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (675 resets) in 79 ms. (500 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (634 resets) in 80 ms. (493 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (647 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (611 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (651 resets) in 81 ms. (487 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (645 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (631 resets) in 79 ms. (500 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (600 resets) in 75 ms. (526 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (605 resets) in 77 ms. (512 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (589 resets) in 74 ms. (533 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (638 resets) in 75 ms. (526 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (637 resets) in 76 ms. (519 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (642 resets) in 80 ms. (493 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (615 resets) in 75 ms. (526 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40003 steps (654 resets) in 79 ms. (500 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (654 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (640 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40002 steps (655 resets) in 78 ms. (506 steps per ms) remains 161/161 properties
BEST_FIRST walk for 40004 steps (641 resets) in 77 ms. (512 steps per ms) remains 156/161 properties
BEST_FIRST walk for 40003 steps (633 resets) in 76 ms. (519 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (691 resets) in 79 ms. (500 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (620 resets) in 75 ms. (526 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (631 resets) in 75 ms. (526 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (665 resets) in 76 ms. (519 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (624 resets) in 75 ms. (526 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (649 resets) in 257 ms. (155 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (599 resets) in 100 ms. (396 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (636 resets) in 85 ms. (465 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (698 resets) in 83 ms. (476 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (592 resets) in 76 ms. (519 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40003 steps (652 resets) in 77 ms. (512 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (674 resets) in 80 ms. (493 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (628 resets) in 75 ms. (526 steps per ms) remains 156/156 properties
BEST_FIRST walk for 40004 steps (618 resets) in 74 ms. (533 steps per ms) remains 155/156 properties
BEST_FIRST walk for 40002 steps (660 resets) in 77 ms. (512 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (630 resets) in 75 ms. (526 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (699 resets) in 80 ms. (493 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (639 resets) in 80 ms. (493 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (604 resets) in 73 ms. (540 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (666 resets) in 79 ms. (500 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (624 resets) in 77 ms. (512 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (648 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (646 resets) in 77 ms. (512 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (640 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (607 resets) in 77 ms. (512 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (652 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (660 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (652 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (645 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (590 resets) in 73 ms. (540 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 273 ms. (146 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 273 ms. (146 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 267 ms. (149 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 273 ms. (146 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (831 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (746 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (776 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (666 resets) in 70 ms. (563 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (801 resets) in 80 ms. (493 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (764 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (819 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (788 resets) in 79 ms. (500 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (698 resets) in 71 ms. (555 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (821 resets) in 77 ms. (512 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (797 resets) in 75 ms. (526 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (877 resets) in 80 ms. (493 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (726 resets) in 72 ms. (548 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (790 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (798 resets) in 83 ms. (476 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (704 resets) in 72 ms. (548 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (756 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (800 resets) in 76 ms. (519 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (756 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (721 resets) in 75 ms. (526 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (860 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (749 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (860 resets) in 80 ms. (493 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (713 resets) in 73 ms. (540 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (833 resets) in 78 ms. (506 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40002 steps (722 resets) in 75 ms. (526 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40004 steps (751 resets) in 74 ms. (533 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (802 resets) in 75 ms. (526 steps per ms) remains 155/155 properties
BEST_FIRST walk for 40003 steps (709 resets) in 73 ms. (540 steps per ms) remains 155/155 properties
// Phase 1: matrix 993 rows 680 cols
[2025-06-03 14:25:14] [INFO ] Computed 3 invariants in 21 ms
[2025-06-03 14:25:14] [INFO ] State equation strengthened by 354 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 1 (OVERLAPS) 242/408 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/408 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 3 (OVERLAPS) 22/430 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/430 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 5 (OVERLAPS) 712/1142 variables, 430/433 constraints. Problems are: Problem set: 0 solved, 155 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1142 variables, 73/506 constraints. Problems are: Problem set: 0 solved, 155 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1142 variables, 0/506 constraints. Problems are: Problem set: 0 solved, 155 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 9847ms, After SMT, problems are : Problem set: 0 solved, 155 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 166 out of 680 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 680/680 places, 993/993 transitions.
Discarding 219 places :
Symmetric choice reduction at 0 with 219 rule applications. Total rules 219 place count 461 transition count 774
Iterating global reduction 0 with 219 rules applied. Total rules applied 438 place count 461 transition count 774
Discarding 219 places :
Symmetric choice reduction at 0 with 219 rule applications. Total rules 657 place count 242 transition count 555
Iterating global reduction 0 with 219 rules applied. Total rules applied 876 place count 242 transition count 555
Ensure Unique test removed 219 transitions
Reduce isomorphic transitions removed 219 transitions.
Iterating post reduction 0 with 219 rules applied. Total rules applied 1095 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1098 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1101 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1103 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1105 place count 237 transition count 295
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 1106 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1110 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1114 place count 233 transition count 290
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 1118 place count 233 transition count 286
Applied a total of 1118 rules in 37 ms. Remains 233 /680 variables (removed 447) and now considering 286/993 (removed 707) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 233/680 places, 286/993 transitions.
Total runtime 228915 ms.
ITS solved all properties within timeout

BK_STOP 1748960724694

--------------------
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="RingSingleMessageInMbox-PT-d1m040"
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 RingSingleMessageInMbox-PT-d1m040, 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 r196-tall-174889278800272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m040.tgz
mv RingSingleMessageInMbox-PT-d1m040 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 ;