Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272300277.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-d1m080, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-174889272300277
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K 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 1748939813330

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-d1m080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-03 08:36:54] [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 08:36:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:36:55] [INFO ] Load time of PNML (sax parser for PT used): 473 ms
[2025-06-03 08:36:55] [INFO ] Transformed 6690 places.
[2025-06-03 08:36:55] [INFO ] Transformed 11934 transitions.
[2025-06-03 08:36:55] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 626 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 191 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 08:36:55] [INFO ] Computed 3 invariants in 242 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:36:57] [INFO ] Implicit Places using invariants in 2046 ms returned []
Implicit Place search using SMT only with invariants took 2075 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 08:36:57] [INFO ] Invariant cache hit.
[2025-06-03 08:37:00] [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 30249 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 30156 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 94609ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 94679ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 97018 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 08:38:36] [INFO ] Flatten gal took : 1628 ms
[2025-06-03 08:38:36] [INFO ] Flatten gal took : 565 ms
[2025-06-03 08:38:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14120519057387876047.gal : 229 ms
[2025-06-03 08:38:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13964975087227096422.prop : 17 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/ReachabilityCardinality14120519057387876047.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13964975087227096422.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 (6012 resets) in 20459 ms. (1 steps per ms) remains 404/2361 properties
BEST_FIRST walk for 404 steps (8 resets) in 30 ms. (13 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 22 ms. (17 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (5 resets) in 17 ms. (22 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 16 ms. (23 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 17 ms. (22 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (3 resets) in 18 ms. (21 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 20 ms. (19 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (3 resets) in 14 ms. (26 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 15 ms. (25 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (3 resets) in 14 ms. (26 steps per ms) remains 404/404 properties
BEST_FIRST walk for 403 steps (13 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (3 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (7 resets) in 12 ms. (31 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 18 ms. (21 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 16 ms. (23 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 17 ms. (22 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (7 resets) in 15 ms. (25 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (7 resets) in 14 ms. (26 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 14 ms. (26 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 11 ms. (33 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (5 resets) in 12 ms. (31 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 7 ms. (50 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (3 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (17 resets) in 22 ms. (17 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 8 ms. (44 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (1 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (7 resets) in 11 ms. (33 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (4 resets) in 13 ms. (28 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (12 resets) in 14 ms. (26 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (6 resets) in 7 ms. (50 steps per ms) remains 404/404 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 404/404 properties
[2025-06-03 08:38:39] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality13964975087227096422.prop.
[2025-06-03 08:38:41] [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 412/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 404 unsolved in 5016 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: 404/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 404 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.
At refinement iteration 0 (INCLUDED_ONLY) 0/412 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 404 unsolved
At refinement iteration 1 (OVERLAPS) 857/1269 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 404 unsolved
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(s503 timeout
0)
(s504 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1269/14200 variables, and 2 constraints, problems are : Problem set: 0 solved, 404 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2368 constraints, ReadFeed: 0/9588 constraints, PredecessorRefiner: 342/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13839ms problems are : Problem set: 0 solved, 404 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 412 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 892 places :
Symmetric choice reduction at 0 with 892 rule applications. Total rules 892 place count 1476 transition count 2696
Iterating global reduction 0 with 892 rules applied. Total rules applied 1784 place count 1476 transition count 2696
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1916 place count 1476 transition count 2564
Discarding 742 places :
Symmetric choice reduction at 1 with 742 rule applications. Total rules 2658 place count 734 transition count 1822
Iterating global reduction 1 with 742 rules applied. Total rules applied 3400 place count 734 transition count 1822
Ensure Unique test removed 711 transitions
Reduce isomorphic transitions removed 711 transitions.
Iterating post reduction 1 with 711 rules applied. Total rules applied 4111 place count 734 transition count 1111
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 4233 place count 612 transition count 989
Iterating global reduction 2 with 122 rules applied. Total rules applied 4355 place count 612 transition count 989
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4453 place count 612 transition count 891
Applied a total of 4453 rules in 430 ms. Remains 612 /2368 variables (removed 1756) and now considering 891/11832 (removed 10941) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 431 ms. Remains : 612/2368 places, 891/11832 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 (682928 resets) in 78089 ms. (51 steps per ms) remains 158/404 properties
BEST_FIRST walk for 40004 steps (716 resets) in 207 ms. (192 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (686 resets) in 181 ms. (219 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (687 resets) in 173 ms. (229 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (650 resets) in 188 ms. (211 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (661 resets) in 177 ms. (224 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (675 resets) in 157 ms. (253 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (708 resets) in 166 ms. (239 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (686 resets) in 160 ms. (248 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (715 resets) in 154 ms. (258 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (690 resets) in 164 ms. (242 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (722 resets) in 160 ms. (248 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (676 resets) in 142 ms. (279 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (657 resets) in 134 ms. (296 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (670 resets) in 110 ms. (360 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (727 resets) in 105 ms. (377 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (658 resets) in 122 ms. (325 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (686 resets) in 124 ms. (320 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (659 resets) in 164 ms. (242 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (744 resets) in 162 ms. (245 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (656 resets) in 163 ms. (243 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (718 resets) in 171 ms. (232 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (697 resets) in 156 ms. (254 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (650 resets) in 110 ms. (360 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (684 resets) in 139 ms. (285 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (675 resets) in 140 ms. (283 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (687 resets) in 121 ms. (327 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (741 resets) in 110 ms. (360 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (649 resets) in 114 ms. (347 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (718 resets) in 112 ms. (354 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (685 resets) in 132 ms. (300 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (710 resets) in 190 ms. (209 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (665 resets) in 143 ms. (277 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (661 resets) in 150 ms. (264 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (685 resets) in 148 ms. (268 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (673 resets) in 111 ms. (357 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (639 resets) in 110 ms. (360 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (656 resets) in 131 ms. (303 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (716 resets) in 132 ms. (300 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (714 resets) in 123 ms. (322 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (693 resets) in 145 ms. (274 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (652 resets) in 113 ms. (350 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (664 resets) in 144 ms. (275 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40003 steps (735 resets) in 142 ms. (279 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (685 resets) in 154 ms. (258 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (718 resets) in 121 ms. (327 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (697 resets) in 152 ms. (261 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (711 resets) in 138 ms. (287 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40002 steps (658 resets) in 124 ms. (320 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (677 resets) in 131 ms. (303 steps per ms) remains 158/158 properties
BEST_FIRST walk for 40004 steps (686 resets) in 153 ms. (259 steps per ms) remains 158/158 properties
// Phase 1: matrix 891 rows 612 cols
[2025-06-03 08:39:15] [INFO ] Computed 3 invariants in 14 ms
[2025-06-03 08:39:15] [INFO ] State equation strengthened by 320 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/169 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 1 (OVERLAPS) 207/376 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/376 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 3 (OVERLAPS) 21/397 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/397 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 5 (OVERLAPS) 645/1042 variables, 397/400 constraints. Problems are: Problem set: 0 solved, 158 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1042 variables, 74/474 constraints. Problems are: Problem set: 0 solved, 158 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1042 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 158 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 18548ms, After SMT, problems are : Problem set: 1 solved, 157 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 169 out of 612 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 612/612 places, 891/891 transitions.
Discarding 185 places :
Symmetric choice reduction at 0 with 185 rule applications. Total rules 185 place count 427 transition count 706
Iterating global reduction 0 with 185 rules applied. Total rules applied 370 place count 427 transition count 706
Discarding 185 places :
Symmetric choice reduction at 0 with 185 rule applications. Total rules 555 place count 242 transition count 521
Iterating global reduction 0 with 185 rules applied. Total rules applied 740 place count 242 transition count 521
Ensure Unique test removed 185 transitions
Reduce isomorphic transitions removed 185 transitions.
Iterating post reduction 0 with 185 rules applied. Total rules applied 925 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 928 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 931 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 933 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 935 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 936 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 940 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 944 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 948 place count 233 transition count 286
Applied a total of 948 rules in 51 ms. Remains 233 /612 variables (removed 379) and now considering 286/891 (removed 605) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 233/612 places, 286/891 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 159850 ms.

BK_STOP 1748939974813

--------------------
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-d1m080"
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-d1m080, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r189-tall-174889272300277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m080.tgz
mv RingSingleMessageInMbox-PT-d1m080 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.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 ;