Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272300272.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
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 r189-tall-174889272300272
=====================================================================

--------------------
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 1748939763642

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-d1m040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-03 08:36:04] [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 08:36:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:36:05] [INFO ] Load time of PNML (sax parser for PT used): 435 ms
[2025-06-03 08:36:05] [INFO ] Transformed 6690 places.
[2025-06-03 08:36:05] [INFO ] Transformed 11934 transitions.
[2025-06-03 08:36:05] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 602 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 178 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 08:36:05] [INFO ] Computed 3 invariants in 258 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:36:07] [INFO ] Implicit Places using invariants in 2198 ms returned []
Implicit Place search using SMT only with invariants took 2228 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 08:36:08] [INFO ] Invariant cache hit.
[2025-06-03 08:36:10] [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: ((s1 1.0)
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(s1457 timeout
1.0)
(s1458 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 30235 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 30154 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 94659ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 94735ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 97229 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 08:37:45] [INFO ] Flatten gal took : 1300 ms
[2025-06-03 08:37:46] [INFO ] Flatten gal took : 728 ms
[2025-06-03 08:37:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality155640516884202809.gal : 163 ms
[2025-06-03 08:37:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9856934529552640833.prop : 32 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/ReachabilityCardinality155640516884202809.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9856934529552640833.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 ...327
RANDOM walk for 40000 steps (6082 resets) in 16412 ms. (2 steps per ms) remains 436/2361 properties
BEST_FIRST walk for 404 steps (7 resets) in 26 ms. (14 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (6 resets) in 19 ms. (20 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (7 resets) in 19 ms. (20 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (6 resets) in 22 ms. (17 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 16 ms. (23 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (7 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 16 ms. (23 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 16 ms. (23 steps per ms) remains 436/436 properties
BEST_FIRST walk for 403 steps (12 resets) in 19 ms. (20 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 12 ms. (31 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (11 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (6 resets) in 12 ms. (31 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (1 resets) in 7 ms. (50 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (7 resets) in 13 ms. (28 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 10 ms. (36 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 436/436 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 436/436 properties
[2025-06-03 08:37:47] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality9856934529552640833.prop.
[2025-06-03 08:37:50] [INFO ] State equation strengthened by 9588 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 444/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 436 unsolved in 5026 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: 436/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 436 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 444/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 436 unsolved in 5013 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: 374/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14214ms problems are : Problem set: 0 solved, 436 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 444 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 850 places :
Symmetric choice reduction at 0 with 850 rule applications. Total rules 850 place count 1518 transition count 2738
Iterating global reduction 0 with 850 rules applied. Total rules applied 1700 place count 1518 transition count 2738
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1832 place count 1518 transition count 2606
Discarding 700 places :
Symmetric choice reduction at 1 with 700 rule applications. Total rules 2532 place count 818 transition count 1906
Iterating global reduction 1 with 700 rules applied. Total rules applied 3232 place count 818 transition count 1906
Ensure Unique test removed 669 transitions
Reduce isomorphic transitions removed 669 transitions.
Iterating post reduction 1 with 669 rules applied. Total rules applied 3901 place count 818 transition count 1237
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 4023 place count 696 transition count 1115
Iterating global reduction 2 with 122 rules applied. Total rules applied 4145 place count 696 transition count 1115
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4243 place count 696 transition count 1017
Applied a total of 4243 rules in 471 ms. Remains 696 /2368 variables (removed 1672) and now considering 1017/11832 (removed 10815) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 471 ms. Remains : 696/2368 places, 1017/11832 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
RANDOM walk for 2875104 steps (488509 resets) in 108930 ms. (26 steps per ms) remains 158/436 properties
BEST_FIRST walk for 40003 steps (621 resets) in 153 ms. (259 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (617 resets) in 177 ms. (224 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (605 resets) in 174 ms. (228 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (657 resets) in 180 ms. (221 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (655 resets) in 170 ms. (233 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (607 resets) in 135 ms. (294 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (584 resets) in 145 ms. (273 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (625 resets) in 169 ms. (235 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (654 resets) in 151 ms. (263 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (633 resets) in 162 ms. (245 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (621 resets) in 125 ms. (317 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (622 resets) in 160 ms. (248 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (689 resets) in 165 ms. (240 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (609 resets) in 144 ms. (275 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (608 resets) in 132 ms. (300 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (656 resets) in 121 ms. (327 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (628 resets) in 135 ms. (294 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (642 resets) in 134 ms. (296 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (573 resets) in 134 ms. (296 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (647 resets) in 132 ms. (300 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (614 resets) in 137 ms. (289 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (634 resets) in 131 ms. (303 steps per ms) remains 157/158 properties
BEST_FIRST walk for 40004 steps (588 resets) in 139 ms. (285 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (588 resets) in 139 ms. (285 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (601 resets) in 132 ms. (300 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (596 resets) in 111 ms. (357 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (612 resets) in 107 ms. (370 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (611 resets) in 108 ms. (367 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (597 resets) in 106 ms. (373 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (574 resets) in 95 ms. (416 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (581 resets) in 91 ms. (434 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (625 resets) in 106 ms. (373 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (617 resets) in 217 ms. (183 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (587 resets) in 110 ms. (360 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (597 resets) in 122 ms. (325 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (607 resets) in 115 ms. (344 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (601 resets) in 131 ms. (303 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (643 resets) in 119 ms. (333 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (610 resets) in 148 ms. (268 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (605 resets) in 138 ms. (287 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (616 resets) in 113 ms. (350 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (598 resets) in 99 ms. (400 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (654 resets) in 129 ms. (307 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40002 steps (577 resets) in 97 ms. (408 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (627 resets) in 129 ms. (307 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40002 steps (659 resets) in 110 ms. (360 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40002 steps (646 resets) in 116 ms. (341 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (673 resets) in 128 ms. (310 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (599 resets) in 104 ms. (380 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (585 resets) in 125 ms. (317 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (665 resets) in 136 ms. (292 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (637 resets) in 121 ms. (327 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (611 resets) in 100 ms. (396 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (611 resets) in 118 ms. (336 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (596 resets) in 145 ms. (273 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (604 resets) in 114 ms. (347 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (617 resets) in 117 ms. (339 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (618 resets) in 109 ms. (363 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (615 resets) in 132 ms. (300 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (631 resets) in 138 ms. (287 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40002 steps (578 resets) in 104 ms. (380 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (617 resets) in 141 ms. (281 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (558 resets) in 124 ms. (320 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (657 resets) in 138 ms. (287 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40002 steps (657 resets) in 121 ms. (327 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (613 resets) in 136 ms. (291 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40003 steps (606 resets) in 111 ms. (357 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (581 resets) in 112 ms. (354 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (618 resets) in 108 ms. (367 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (625 resets) in 108 ms. (367 steps per ms) remains 157/157 properties
BEST_FIRST walk for 40004 steps (609 resets) in 108 ms. (367 steps per ms) remains 157/157 properties
// Phase 1: matrix 1017 rows 696 cols
[2025-06-03 08:38:35] [INFO ] Computed 3 invariants in 17 ms
[2025-06-03 08:38:35] [INFO ] State equation strengthened by 362 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 1 (OVERLAPS) 249/417 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/417 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 3 (OVERLAPS) 22/439 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/439 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 157 unsolved
At refinement iteration 5 (OVERLAPS) 729/1168 variables, 439/442 constraints. Problems are: Problem set: 0 solved, 157 unsolved
Reachability property qltransition_11711 is true.
Reachability property qltransition_11710 is true.
Reachability property qltransition_11709 is true.
Reachability property qltransition_11708 is true.
Reachability property qltransition_11707 is true.
Reachability property qltransition_11706 is true.
Reachability property qltransition_11705 is true.
Reachability property qltransition_11704 is true.
Reachability property qltransition_11703 is true.
Reachability property qltransition_11702 is true.
Reachability property qltransition_11701 is true.
Reachability property qltransition_11700 is true.
Reachability property qltransition_11699 is true.
Reachability property qltransition_11698 is true.
Reachability property qltransition_11697 is true.
Reachability property qltransition_11696 is true.
Reachability property qltransition_11695 is true.
Reachability property qltransition_11694 is true.
Reachability property qltransition_11693 is true.
Reachability property qltransition_11692 is true.
Reachability property qltransition_11691 is true.
Reachability property qltransition_11690 is true.
Reachability property qltransition_11689 is true.
Reachability property qltransition_11688 is true.
Reachability property qltransition_11687 is true.
Reachability property qltransition_11686 is true.
Reachability property qltransition_11685 is true.
Reachability property qltransition_11684 is true.
Reachability property qltransition_11683 is true.
Reachability property qltransition_11682 is true.
Reachability property qltransition_11681 is true.
Reachability property qltransition_11680 is true.
Reachability property qltransition_11647 is true.
Reachability property qltransition_11646 is true.
Reachability property qltransition_11645 is true.
Reachability property qltransition_11644 is true.
Reachability property qltransition_11643 is true.
Reachability property qltransition_11642 is true.
Reachability property qltransition_11641 is true.
Reachability property qltransition_11640 is true.
Reachability property qltransition_11639 is true.
Reachability property qltransition_11638 is true.
Reachability property qltransition_11637 is true.
Reachability property qltransition_11636 is true.
Reachability property qltransition_11635 is true.
Reachability property qltransition_11634 is true.
Reachability property qltransition_11633 is true.
Reachability property qltransition_11632 is true.
Reachability property qltransition_11631 is true.
Reachability property qltransition_11630 is true.
Reachability property qltransition_11629 is true.
Reachability property qltransition_11628 is true.
Reachability property qltransition_11627 is true.
Reachability property qltransition_11626 is true.
Reachability property qltransition_11625 is true.
Reachability property qltransition_11624 is true.
Reachability property qltransition_11623 is true.
Reachability property qltransition_11622 is true.
Reachability property qltransition_11621 is true.
Reachability property qltransition_11620 is true.
Reachability property qltransition_11619 is true.
Reachability property qltransition_11618 is true.
Reachability property qltransition_11617 is true.
Reachability property qltransition_11616 is true.
Reachability property qltransition_11583 is true.
Reachability property qltransition_11582 is true.
Reachability property qltransition_11581 is true.
Reachability property qltransition_11580 is true.
Reachability property qltransition_11579 is true.
Reachability property qltransition_11578 is true.
Reachability property qltransition_11577 is true.
Reachability property qltransition_11576 is true.
Reachability property qltransition_11575 is true.
Reachability property qltransition_11574 is true.
Reachability property qltransition_11573 is true.
Reachability property qltransition_11572 is true.
Reachability property qltransition_11571 is true.
Reachability property qltransition_11570 is true.
Reachability property qltransition_11569 is true.
Reachability property qltransition_11568 is true.
Reachability property qltransition_11567 is true.
Reachability property qltransition_11566 is true.
Reachability property qltransition_11565 is true.
Reachability property qltransition_11564 is true.
Reachability property qltransition_11563 is true.
Reachability property qltransition_11562 is true.
Reachability property qltransition_11561 is true.
Reachability property qltransition_11560 is true.
Reachability property qltransition_11559 is true.
Reachability property qltransition_11558 is true.
Reachability property qltransition_11557 is true.
Reachability property qltransition_11556 is true.
Reachability property qltransition_11555 is true.
Reachability property qltransition_11554 is true.
Reachability property qltransition_11553 is true.
Reachability property qltransition_11552 is true.
Reachability property qltransition_11519 is true.
Reachability property qltransition_11518 is true.
Reachability property qltransition_11517 is true.
Reachability property qltransition_11516 is true.
Reachability property qltransition_11515 is true.
Reachability property qltransition_11514 is true.
Reachability property qltransition_11513 is true.
Reachability property qltransition_11512 is true.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1168 variables, 74/516 constraints. Problems are: Problem set: 0 solved, 157 unsolved
Reachability property qltransition_11511 is true.
Reachability property qltransition_11510 is true.
Reachability property qltransition_11509 is true.
Reachability property qltransition_11508 is true.
Reachability property qltransition_11507 is true.
Reachability property qltransition_11506 is true.
Reachability property qltransition_11505 is true.
Reachability property qltransition_11504 is true.
Reachability property qltransition_11503 is true.
Reachability property qltransition_11502 is true.
Reachability property qltransition_11501 is true.
Reachability property qltransition_11500 is true.
Reachability property qltransition_11499 is true.
Reachability property qltransition_11498 is true.
Reachability property qltransition_11497 is true.
Reachability property qltransition_11496 is true.
Reachability property qltransition_11495 is true.
Reachability property qltransition_11494 is true.
Reachability property qltransition_11493 is true.
Reachability property qltransition_11492 is true.
Reachability property qltransition_11491 is true.
Reachability property qltransition_11490 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/1168 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 157 unsolved
Reachability property qltransition_11489 is true.
Reachability property qltransition_11488 is true.
Reachability property qltransition_11455 is true.
Reachability property qltransition_11454 is true.
Reachability property qltransition_11453 is true.
Reachability property qltransition_11452 is true.
Reachability property qltransition_11451 is true.
Reachability property qltransition_11450 is true.
Reachability property qltransition_11449 is true.
Reachability property qltransition_11448 is true.
Reachability property qltransition_11447 is true.
Reachability property qltransition_11446 is true.
Reachability property qltransition_11445 is true.
Reachability property qltransition_11444 is true.
Reachability property qltransition_11443 is true.
Reachability property qltransition_11442 is true.
Reachability property qltransition_11441 is true.
Reachability property qltransition_11440 is true.
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 9674ms, After SMT, problems are : Problem set: 1 solved, 156 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 168 out of 696 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 696/696 places, 1017/1017 transitions.
Reachability property qltransition_11439 is true.
Reachability property qltransition_11438 is true.
Discarding 227 places :
Symmetric choice reduction at 0 with 227 rule applications. Total rules 227 place count 469 transition count 790
Iterating global reduction 0 with 227 rules applied. Total rules applied 454 place count 469 transition count 790
Discarding 227 places :
Symmetric choice reduction at 0 with 227 rule applications. Total rules 681 place count 242 transition count 563
Iterating global reduction 0 with 227 rules applied. Total rules applied 908 place count 242 transition count 563
Ensure Unique test removed 227 transitions
Reduce isomorphic transitions removed 227 transitions.
Iterating post reduction 0 with 227 rules applied. Total rules applied 1135 place count 242 transition count 336
Reachability property qltransition_11437 is true.
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1138 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1141 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1143 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1145 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 1146 place count 237 transition count 294
Reachability property qltransition_11436 is true.
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1150 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1154 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 1158 place count 233 transition count 286
Reachability property qltransition_11435 is true.
Applied a total of 1158 rules in 47 ms. Remains 233 /696 variables (removed 463) and now considering 286/1017 (removed 731) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 233/696 places, 286/1017 transitions.
ITS runner timed out or was interrupted.
Reachability property qltransition_11434 is true.
Reachability property qltransition_11433 is true.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 160924 ms.

BK_STOP 1748939926105

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ 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-d1m040"
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-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 r189-tall-174889272300272"
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 ;