Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r342-tall-171679092700057.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is RingSingleMessageInMbox-PT-d1m080, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r342-tall-171679092700057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Apr 13 00:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Apr 13 00:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 13 00:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 13 00:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 5.8M May 18 16:43 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 1716813990231

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=RingSingleMessageInMbox-PT-d1m080
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 12:46:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-27 12:46:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 12:46:31] [INFO ] Load time of PNML (sax parser for PT used): 451 ms
[2024-05-27 12:46:32] [INFO ] Transformed 6690 places.
[2024-05-27 12:46:32] [INFO ] Transformed 11934 transitions.
[2024-05-27 12:46:32] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 624 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 235 ms. Remains 2368 /6690 variables (removed 4322) and now considering 11832/11934 (removed 102) transitions.
// Phase 1: matrix 11832 rows 2368 cols
[2024-05-27 12:46:32] [INFO ] Computed 3 invariants in 246 ms
[2024-05-27 12:46:34] [INFO ] Implicit Places using invariants in 2180 ms returned []
Implicit Place search using SMT only with invariants took 2227 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2024-05-27 12:46:34] [INFO ] Invariant cache hit.
[2024-05-27 12:46:37] [INFO ] State equation strengthened by 9588 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2367 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11831 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2367/14200 variables, and 1 constraints, problems are : Problem set: 0 solved, 11831 unsolved in 30281 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 11831/65 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11831 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2367 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11831 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 1)
(s59 1)
(s60 1)
(s61 1)
(s62 1)
(s63 1)
(s64 1)
(s65 1)
(s66 1)
(s67 1)
(s68 1)
(s69 1)
(s70 1)
(s71 1)
(s72 1)
(s73 1)
(s74 1)
(s75 1)
(s76 1)
(s77 1)
(s78 1)
(s79 1)
(s80 1)
(s81 1)
(s82 1)
(s83 1)
(s84 1)
(s85 1)
(s86 1)
(s87 1)
(s88 1)
(s89 1)
(s90 1)
(s91 1)
(s92 1)
(s93 1)
(s94 1)
(s95 1)
(s96 1)
(s97 1)
(s98 1)
(s99 1)
(s100 1)
(s101 1)
(s102 1)
(s103 1)
(s104 1)
(s105 1)
(s106 1)timeout
org.smtlib.IParser$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 30153 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 180037ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 180209ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 182765 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 (6105 resets) in 10631 ms. (3 steps per ms) remains 457/2361 properties
BEST_FIRST walk for 404 steps (1 resets) in 15 ms. (25 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (9 resets) in 17 ms. (22 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 17 ms. (22 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 19 ms. (20 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 18 ms. (21 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 15 ms. (25 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (0 resets) in 16 ms. (23 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 12 ms. (31 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 15 ms. (25 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (13 resets) in 16 ms. (23 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 15 ms. (25 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (7 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 16 ms. (23 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (7 resets) in 15 ms. (25 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (1 resets) in 12 ms. (31 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (1 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 11 ms. (33 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (9 resets) in 17 ms. (22 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 7 ms. (50 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (5 resets) in 9 ms. (40 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 457/457 properties
BEST_FIRST walk for 404 steps (3 resets) in 13 ms. (28 steps per ms) remains 457/457 properties
[2024-05-27 12:49:38] [INFO ] Invariant cache hit.
[2024-05-27 12:49:40] [INFO ] State equation strengthened by 9588 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/465 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
SMT process timed out in 11561ms, After SMT, problems are : Problem set: 0 solved, 457 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 465 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 842 places :
Symmetric choice reduction at 0 with 842 rule applications. Total rules 842 place count 1526 transition count 2746
Iterating global reduction 0 with 842 rules applied. Total rules applied 1684 place count 1526 transition count 2746
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1816 place count 1526 transition count 2614
Discarding 692 places :
Symmetric choice reduction at 1 with 692 rule applications. Total rules 2508 place count 834 transition count 1922
Iterating global reduction 1 with 692 rules applied. Total rules applied 3200 place count 834 transition count 1922
Ensure Unique test removed 661 transitions
Reduce isomorphic transitions removed 661 transitions.
Iterating post reduction 1 with 661 rules applied. Total rules applied 3861 place count 834 transition count 1261
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 3983 place count 712 transition count 1139
Iterating global reduction 2 with 122 rules applied. Total rules applied 4105 place count 712 transition count 1139
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4203 place count 712 transition count 1041
Applied a total of 4203 rules in 420 ms. Remains 712 /2368 variables (removed 1656) and now considering 1041/11832 (removed 10791) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 421 ms. Remains : 712/2368 places, 1041/11832 transitions.
RANDOM walk for 4000000 steps (680339 resets) in 61752 ms. (64 steps per ms) remains 160/457 properties
BEST_FIRST walk for 40004 steps (595 resets) in 124 ms. (320 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (589 resets) in 139 ms. (285 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40002 steps (616 resets) in 109 ms. (363 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (656 resets) in 142 ms. (279 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (606 resets) in 145 ms. (274 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (634 resets) in 122 ms. (325 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (592 resets) in 106 ms. (373 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (643 resets) in 123 ms. (322 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (575 resets) in 137 ms. (289 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (634 resets) in 116 ms. (341 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (619 resets) in 134 ms. (296 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (628 resets) in 135 ms. (294 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (570 resets) in 110 ms. (360 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40002 steps (612 resets) in 82 ms. (481 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (633 resets) in 77 ms. (512 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (584 resets) in 72 ms. (548 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (608 resets) in 74 ms. (533 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (568 resets) in 74 ms. (533 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (680 resets) in 79 ms. (500 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (594 resets) in 76 ms. (519 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (619 resets) in 78 ms. (506 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (619 resets) in 78 ms. (506 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (608 resets) in 76 ms. (519 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (650 resets) in 76 ms. (519 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40002 steps (650 resets) in 74 ms. (533 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (586 resets) in 73 ms. (540 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (584 resets) in 76 ms. (519 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (629 resets) in 78 ms. (506 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (622 resets) in 77 ms. (512 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (623 resets) in 74 ms. (533 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (586 resets) in 74 ms. (533 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (606 resets) in 74 ms. (533 steps per ms) remains 159/160 properties
BEST_FIRST walk for 40004 steps (610 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (595 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (628 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (614 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (601 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (620 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (627 resets) in 78 ms. (506 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (604 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (620 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (617 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (617 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (614 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (591 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (620 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (572 resets) in 72 ms. (547 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (603 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40001 steps (604 resets) in 71 ms. (555 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (586 resets) in 76 ms. (519 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (551 resets) in 70 ms. (563 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (637 resets) in 76 ms. (519 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (587 resets) in 76 ms. (519 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (627 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (609 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (631 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (632 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (642 resets) in 78 ms. (506 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (641 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (589 resets) in 72 ms. (548 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (630 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (598 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (604 resets) in 78 ms. (506 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (625 resets) in 81 ms. (487 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (629 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (642 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (595 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (596 resets) in 268 ms. (148 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (636 resets) in 83 ms. (476 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (605 resets) in 80 ms. (493 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (627 resets) in 72 ms. (547 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (660 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 263 ms. (151 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 261 ms. (152 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 262 ms. (152 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (6664 resets) in 262 ms. (152 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (746 resets) in 69 ms. (571 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (840 resets) in 74 ms. (533 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (720 resets) in 71 ms. (555 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40004 steps (800 resets) in 73 ms. (540 steps per ms) remains 159/159 properties
BEST_FIRST walk for 40003 steps (837 resets) in 75 ms. (526 steps per ms) remains 159/159 properties
// Phase 1: matrix 1041 rows 712 cols
[2024-05-27 12:50:09] [INFO ] Computed 3 invariants in 21 ms
[2024-05-27 12:50:09] [INFO ] State equation strengthened by 370 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/170 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 1 (OVERLAPS) 256/426 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 3 (OVERLAPS) 22/448 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/448 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 5 (OVERLAPS) 745/1193 variables, 448/451 constraints. Problems are: Problem set: 0 solved, 159 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1193 variables, 74/525 constraints. Problems are: Problem set: 0 solved, 159 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1193 variables, 0/525 constraints. Problems are: Problem set: 0 solved, 159 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 14432ms, After SMT, problems are : Problem set: 0 solved, 159 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 170 out of 712 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 712/712 places, 1041/1041 transitions.
Discarding 235 places :
Symmetric choice reduction at 0 with 235 rule applications. Total rules 235 place count 477 transition count 806
Iterating global reduction 0 with 235 rules applied. Total rules applied 470 place count 477 transition count 806
Discarding 235 places :
Symmetric choice reduction at 0 with 235 rule applications. Total rules 705 place count 242 transition count 571
Iterating global reduction 0 with 235 rules applied. Total rules applied 940 place count 242 transition count 571
Ensure Unique test removed 235 transitions
Reduce isomorphic transitions removed 235 transitions.
Iterating post reduction 0 with 235 rules applied. Total rules applied 1175 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1178 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1181 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1183 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1185 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 1186 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1190 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1194 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 1198 place count 233 transition count 286
Applied a total of 1198 rules in 43 ms. Remains 233 /712 variables (removed 479) and now considering 286/1041 (removed 755) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 233/712 places, 286/1041 transitions.
Total runtime 232040 ms.
ITS solved all properties within timeout

BK_STOP 1716814223837

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-d1m080"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is RingSingleMessageInMbox-PT-d1m080, 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 r342-tall-171679092700057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m080.tgz
mv RingSingleMessageInMbox-PT-d1m080 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;