Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272300282.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 itstools
Input is RingSingleMessageInMbox-PT-d1m160, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-174889272300282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K 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 50K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 4.1K 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 1748939863289

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=RingSingleMessageInMbox-PT-d1m160
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-03 08:37:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-03 08:37:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:37:45] [INFO ] Load time of PNML (sax parser for PT used): 453 ms
[2025-06-03 08:37:45] [INFO ] Transformed 6690 places.
[2025-06-03 08:37:45] [INFO ] Transformed 11934 transitions.
[2025-06-03 08:37:45] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 617 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 201 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 08:37:45] [INFO ] Computed 3 invariants in 285 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:37:47] [INFO ] Implicit Places using invariants in 2038 ms returned []
Implicit Place search using SMT only with invariants took 2070 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 08:37:47] [INFO ] Invariant cache hit.
[2025-06-03 08:37:50] [INFO ] State equation strengthened by 9588 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 30237 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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11831 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 Int declared 2367/14200 variables, and 1 constraints, problems are : Problem set: 0 solved, 11831 unsolved in 30141 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, Known Traps Along Path: 0/0 constraints]
After SMT, in 95009ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 95077ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 97427 ms. Remains : 2368/6690 places, 11832/11934 transitions.
Discarding 9470 transitions out of 11832. Remains 2362
Initial state reduction rules removed 1 formulas.
[2025-06-03 08:39:25] [INFO ] Flatten gal took : 1170 ms
[2025-06-03 08:39:26] [INFO ] Flatten gal took : 632 ms
[2025-06-03 08:39:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8837205955926774548.gal : 198 ms
[2025-06-03 08:39:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16017562918361927293.prop : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8837205955926774548.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16017562918361927293.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (6211 resets) in 15522 ms. (2 steps per ms) remains 468/2361 properties
BEST_FIRST walk for 404 steps (1 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (4 resets) in 20 ms. (19 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 17 ms. (22 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 29 ms. (13 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 23 ms. (16 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 13 ms. (28 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (4 resets) in 14 ms. (26 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 12 ms. (31 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 17 ms. (22 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 12 ms. (31 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 17 ms. (22 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (8 resets) in 26 ms. (14 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (7 resets) in 30 ms. (13 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 34 ms. (11 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (0 resets) in 19 ms. (20 steps per ms) remains 468/468 properties
Loading property file /tmp/ReachabilityCardinality16017562918361927293.prop.
BEST_FIRST walk for 403 steps (16 resets) in 46 ms. (8 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 18 ms. (21 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 18 ms. (21 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 14 ms. (26 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (6 resets) in 24 ms. (16 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 18 ms. (21 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (12 resets) in 26 ms. (14 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 14 ms. (26 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 17 ms. (22 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (7 resets) in 16 ms. (23 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 11 ms. (33 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 22 ms. (17 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (3 resets) in 13 ms. (28 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (7 resets) in 10 ms. (36 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (5 resets) in 15 ms. (25 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 12 ms. (31 steps per ms) remains 468/468 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 468/468 properties
[2025-06-03 08:39:28] [INFO ] Invariant cache hit.
[2025-06-03 08:39:30] [INFO ] State equation strengthened by 9588 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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 Real declared 477/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 468 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 468/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 468 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Reachability property qltransition_10714 is true.
Reachability property qltransition_10713 is true.
Reachability property qltransition_10712 is true.
Reachability property qltransition_10711 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 477/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 468 unsolved in 5030 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 406/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14126ms problems are : Problem set: 0 solved, 468 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 477 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_6 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,2347 properties remain. new max is 2
SDD size :1 after 19
Discarding 833 places :
Symmetric choice reduction at 0 with 833 rule applications. Total rules 833 place count 1535 transition count 2755
Iterating global reduction 0 with 833 rules applied. Total rules applied 1666 place count 1535 transition count 2755
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1798 place count 1535 transition count 2623
Discarding 683 places :
Symmetric choice reduction at 1 with 683 rule applications. Total rules 2481 place count 852 transition count 1940
Iterating global reduction 1 with 683 rules applied. Total rules applied 3164 place count 852 transition count 1940
Ensure Unique test removed 652 transitions
Reduce isomorphic transitions removed 652 transitions.
Iterating post reduction 1 with 652 rules applied. Total rules applied 3816 place count 852 transition count 1288
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 3938 place count 730 transition count 1166
Iterating global reduction 2 with 122 rules applied. Total rules applied 4060 place count 730 transition count 1166
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4158 place count 730 transition count 1068
Applied a total of 4158 rules in 1265 ms. Remains 730 /2368 variables (removed 1638) and now considering 1068/11832 (removed 10764) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1266 ms. Remains : 730/2368 places, 1068/11832 transitions.
RANDOM walk for 4000000 steps (679429 resets) in 108226 ms. (36 steps per ms) remains 162/468 properties
BEST_FIRST walk for 40003 steps (564 resets) in 157 ms. (253 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (594 resets) in 178 ms. (223 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (602 resets) in 171 ms. (232 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (635 resets) in 191 ms. (208 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (533 resets) in 173 ms. (229 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (599 resets) in 199 ms. (200 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (559 resets) in 140 ms. (283 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (594 resets) in 156 ms. (254 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (598 resets) in 156 ms. (254 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (627 resets) in 251 ms. (158 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (591 resets) in 145 ms. (273 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (600 resets) in 142 ms. (279 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (616 resets) in 140 ms. (283 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (556 resets) in 151 ms. (263 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (618 resets) in 154 ms. (258 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (619 resets) in 116 ms. (341 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (565 resets) in 149 ms. (266 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (588 resets) in 118 ms. (336 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (609 resets) in 116 ms. (341 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (582 resets) in 100 ms. (396 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (548 resets) in 128 ms. (310 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (561 resets) in 137 ms. (289 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (577 resets) in 135 ms. (294 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (581 resets) in 115 ms. (344 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (581 resets) in 123 ms. (322 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (596 resets) in 111 ms. (357 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (658 resets) in 143 ms. (277 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (630 resets) in 139 ms. (285 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (549 resets) in 114 ms. (347 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (564 resets) in 130 ms. (305 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (585 resets) in 115 ms. (344 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (588 resets) in 138 ms. (287 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (645 resets) in 132 ms. (300 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (589 resets) in 123 ms. (322 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (643 resets) in 110 ms. (360 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (624 resets) in 138 ms. (287 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (575 resets) in 120 ms. (330 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (594 resets) in 148 ms. (268 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (622 resets) in 140 ms. (283 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (629 resets) in 114 ms. (347 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (568 resets) in 117 ms. (339 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (561 resets) in 130 ms. (305 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (547 resets) in 136 ms. (292 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (614 resets) in 125 ms. (317 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (585 resets) in 112 ms. (354 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (596 resets) in 110 ms. (360 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (647 resets) in 131 ms. (303 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (586 resets) in 137 ms. (289 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40004 steps (563 resets) in 110 ms. (360 steps per ms) remains 162/162 properties
BEST_FIRST walk for 40003 steps (584 resets) in 127 ms. (312 steps per ms) remains 162/162 properties
// Phase 1: matrix 1068 rows 730 cols
[2025-06-03 08:40:15] [INFO ] Computed 3 invariants in 11 ms
[2025-06-03 08:40:15] [INFO ] State equation strengthened by 379 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 265/437 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/437 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 3 (OVERLAPS) 21/458 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/458 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 5 (OVERLAPS) 764/1222 variables, 458/461 constraints. Problems are: Problem set: 0 solved, 162 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1222 variables, 75/536 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1222 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 10371ms, After SMT, problems are : Problem set: 1 solved, 161 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 172 out of 730 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 730/730 places, 1068/1068 transitions.
Discarding 244 places :
Symmetric choice reduction at 0 with 244 rule applications. Total rules 244 place count 486 transition count 824
Iterating global reduction 0 with 244 rules applied. Total rules applied 488 place count 486 transition count 824
Discarding 244 places :
Symmetric choice reduction at 0 with 244 rule applications. Total rules 732 place count 242 transition count 580
Iterating global reduction 0 with 244 rules applied. Total rules applied 976 place count 242 transition count 580
Ensure Unique test removed 244 transitions
Reduce isomorphic transitions removed 244 transitions.
Iterating post reduction 0 with 244 rules applied. Total rules applied 1220 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1223 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1226 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1228 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1230 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 1231 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1235 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1239 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 1243 place count 233 transition count 286
Applied a total of 1243 rules in 67 ms. Remains 233 /730 variables (removed 497) and now considering 286/1068 (removed 782) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 233/730 places, 286/1068 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 161299 ms.

BK_STOP 1748940026224

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-d1m160"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is RingSingleMessageInMbox-PT-d1m160, 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 r189-tall-174889272300282"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m160.tgz
mv RingSingleMessageInMbox-PT-d1m160 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 ;