Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272300257.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-d1m005, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-174889272300257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 24K 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 7.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K 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 1748939584001

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-d1m005
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-03 08:33:05] [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 08:33:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:33:05] [INFO ] Load time of PNML (sax parser for PT used): 451 ms
[2025-06-03 08:33:05] [INFO ] Transformed 6690 places.
[2025-06-03 08:33:05] [INFO ] Transformed 11934 transitions.
[2025-06-03 08:33:05] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 607 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 186 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 08:33:06] [INFO ] Computed 3 invariants in 247 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:33:08] [INFO ] Implicit Places using invariants in 2608 ms returned []
Implicit Place search using SMT only with invariants took 2656 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 08:33:08] [INFO ] Invariant cache hit.
[2025-06-03 08:33:11] [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
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 30240 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 30155 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 94654ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 94730ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 97638 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 08:34:46] [INFO ] Flatten gal took : 1148 ms
[2025-06-03 08:34:46] [INFO ] Flatten gal took : 610 ms
[2025-06-03 08:34:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12127845051331366990.gal : 169 ms
[2025-06-03 08:34:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13925255765296063067.prop : 31 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/ReachabilityCardinality12127845051331366990.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13925255765296063067.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 ...330
RANDOM walk for 40000 steps (6126 resets) in 15431 ms. (2 steps per ms) remains 456/2361 properties
BEST_FIRST walk for 404 steps (4 resets) in 19 ms. (20 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (9 resets) in 22 ms. (17 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 20 ms. (19 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 21 ms. (18 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (0 resets) in 15 ms. (25 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (6 resets) in 27 ms. (14 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 18 ms. (21 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (5 resets) in 22 ms. (17 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (7 resets) in 14 ms. (26 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (4 resets) in 16 ms. (23 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (5 resets) in 15 ms. (25 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (10 resets) in 18 ms. (21 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (6 resets) in 15 ms. (25 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 18 ms. (21 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (0 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (0 resets) in 20 ms. (19 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (5 resets) in 13 ms. (28 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (9 resets) in 16 ms. (23 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (10 resets) in 14 ms. (26 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (9 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (2 resets) in 13 ms. (28 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 456/456 properties
BEST_FIRST walk for 404 steps (1 resets) in 12 ms. (31 steps per ms) remains 456/456 properties
[2025-06-03 08:34:48] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality13925255765296063067.prop.
[2025-06-03 08:34:51] [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 464/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 456 unsolved in 5022 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: 456/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 456 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.
Error getting values : (error "ParserException while parsing response: ((s1 1)
(s2 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s14 1)
(s19 1)
(s20 1)
(s39 1)
(s44 1)
(s48 1)
(s52 1)
(s54 1)
(s59 1)
(s60 1)
(s64 1)
(s66 1)
(s68 1)
(s72 1)
(s74 1)
(s77 1)
(s87 1)
(s95 1)
(s108 1)
(s115 1)
(s120 1)
(s122 1)
(s126 1)
(s132 1)
(s133 1)
(s137 1)
(s139 1)
(s149 1)
(s156 1)
(s159 1)
(s163 1)
(s165 1)
(s172 1)
(s177 1)
(s178 1)
(s180 1)
(s181 1)
(s184 1)
(s186 1)
(s187 1)
(s189 1)
(s190 1)
(s192 1)
(s193 1)
(s194 1)
(s195 1)
(s197 1)
(s202 1)
(s216 1)
(s220 1)
(s221 1)
(s234 1)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 464/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 456 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: 393/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14450ms problems are : Problem set: 0 solved, 456 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 464 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 843 places :
Symmetric choice reduction at 0 with 843 rule applications. Total rules 843 place count 1525 transition count 2745
Iterating global reduction 0 with 843 rules applied. Total rules applied 1686 place count 1525 transition count 2745
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1818 place count 1525 transition count 2613
Discarding 693 places :
Symmetric choice reduction at 1 with 693 rule applications. Total rules 2511 place count 832 transition count 1920
Iterating global reduction 1 with 693 rules applied. Total rules applied 3204 place count 832 transition count 1920
Ensure Unique test removed 662 transitions
Reduce isomorphic transitions removed 662 transitions.
Iterating post reduction 1 with 662 rules applied. Total rules applied 3866 place count 832 transition count 1258
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 3988 place count 710 transition count 1136
Iterating global reduction 2 with 122 rules applied. Total rules applied 4110 place count 710 transition count 1136
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4208 place count 710 transition count 1038
Applied a total of 4208 rules in 610 ms. Remains 710 /2368 variables (removed 1658) and now considering 1038/11832 (removed 10794) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 610 ms. Remains : 710/2368 places, 1038/11832 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 4000000 steps (690818 resets) in 85380 ms. (46 steps per ms) remains 160/456 properties
BEST_FIRST walk for 40004 steps (635 resets) in 183 ms. (217 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (639 resets) in 189 ms. (210 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (610 resets) in 195 ms. (204 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (659 resets) in 194 ms. (205 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (621 resets) in 188 ms. (211 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (592 resets) in 189 ms. (210 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (644 resets) in 213 ms. (186 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (564 resets) in 152 ms. (261 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (587 resets) in 142 ms. (279 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (644 resets) in 148 ms. (268 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (557 resets) in 164 ms. (242 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (646 resets) in 163 ms. (243 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (703 resets) in 162 ms. (245 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (565 resets) in 134 ms. (296 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (623 resets) in 146 ms. (272 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (618 resets) in 144 ms. (275 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (661 resets) in 122 ms. (325 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (633 resets) in 129 ms. (307 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (643 resets) in 144 ms. (275 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (605 resets) in 146 ms. (272 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (640 resets) in 123 ms. (322 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (616 resets) in 131 ms. (303 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (605 resets) in 119 ms. (333 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (609 resets) in 115 ms. (344 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (619 resets) in 125 ms. (317 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (636 resets) in 150 ms. (264 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (606 resets) in 127 ms. (312 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (634 resets) in 138 ms. (287 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (690 resets) in 124 ms. (320 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (630 resets) in 127 ms. (312 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (613 resets) in 149 ms. (266 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (576 resets) in 141 ms. (281 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40002 steps (725 resets) in 149 ms. (266 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (604 resets) in 198 ms. (201 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (602 resets) in 129 ms. (307 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (650 resets) in 148 ms. (268 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (594 resets) in 117 ms. (339 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (693 resets) in 119 ms. (333 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (648 resets) in 126 ms. (314 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (648 resets) in 134 ms. (296 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (615 resets) in 114 ms. (347 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (664 resets) in 123 ms. (322 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40003 steps (631 resets) in 100 ms. (396 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (613 resets) in 109 ms. (363 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40001 steps (592 resets) in 98 ms. (404 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (599 resets) in 123 ms. (322 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (629 resets) in 125 ms. (317 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (631 resets) in 130 ms. (305 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40001 steps (616 resets) in 128 ms. (310 steps per ms) remains 160/160 properties
BEST_FIRST walk for 40004 steps (603 resets) in 136 ms. (292 steps per ms) remains 160/160 properties
// Phase 1: matrix 1038 rows 710 cols
[2025-06-03 08:35:27] [INFO ] Computed 3 invariants in 23 ms
[2025-06-03 08:35:27] [INFO ] State equation strengthened by 369 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 1 (OVERLAPS) 10/181 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/181 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 3 (OVERLAPS) 266/447 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/447 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 5 (OVERLAPS) 743/1190 variables, 447/450 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1190 variables, 74/524 constraints. Problems are: Problem set: 0 solved, 160 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1190 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 160 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 15109ms, After SMT, problems are : Problem set: 1 solved, 159 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 171 out of 710 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 710/710 places, 1038/1038 transitions.
Discarding 234 places :
Symmetric choice reduction at 0 with 234 rule applications. Total rules 234 place count 476 transition count 804
Iterating global reduction 0 with 234 rules applied. Total rules applied 468 place count 476 transition count 804
Discarding 234 places :
Symmetric choice reduction at 0 with 234 rule applications. Total rules 702 place count 242 transition count 570
Iterating global reduction 0 with 234 rules applied. Total rules applied 936 place count 242 transition count 570
Ensure Unique test removed 234 transitions
Reduce isomorphic transitions removed 234 transitions.
Iterating post reduction 0 with 234 rules applied. Total rules applied 1170 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1173 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1176 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1178 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1180 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 1181 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1185 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1189 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 1193 place count 233 transition count 286
Applied a total of 1193 rules in 40 ms. Remains 233 /710 variables (removed 477) and now considering 286/1038 (removed 752) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 233/710 places, 286/1038 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 157896 ms.

BK_STOP 1748939743364

--------------------
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-d1m005"
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-d1m005, 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-174889272300257"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m005.tgz
mv RingSingleMessageInMbox-PT-d1m005 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 ;