Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r189-tall-174889272300262.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-d1m010, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r189-tall-174889272300262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K 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 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K 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 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K 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 1748939621790

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-d1m010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-03 08:33:43] [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 08:33:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:33:43] [INFO ] Load time of PNML (sax parser for PT used): 464 ms
[2025-06-03 08:33:43] [INFO ] Transformed 6690 places.
[2025-06-03 08:33:43] [INFO ] Transformed 11934 transitions.
[2025-06-03 08:33:43] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 624 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6690/6690 places, 11934/11934 transitions.
Reduce places removed 4322 places and 0 transitions.
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 102 transitions.
Iterating post reduction 0 with 4424 rules applied. Total rules applied 4424 place count 2368 transition count 11832
Applied a total of 4424 rules in 182 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 08:33:44] [INFO ] Computed 3 invariants in 267 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:33:46] [INFO ] Implicit Places using invariants in 3060 ms returned []
Implicit Place search using SMT only with invariants took 3092 ms to find 0 implicit places.
Running 11831 sub problems to find dead transitions.
[2025-06-03 08:33:47] [INFO ] Invariant cache hit.
[2025-06-03 08:33:49] [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 "Error writing to Z3 solver: java.io.IOException: Broken pipe")
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 30198 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
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(s1661 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2367/14200 variables, and 1 constraints, problems are : Problem set: 0 solved, 11831 unsolved in 30143 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 93103ms problems are : Problem set: 0 solved, 11831 unsolved
Search for dead transitions found 0 dead transitions in 93170ms
Starting structural reductions in LIVENESS mode, iteration 1 : 2368/6690 places, 11832/11934 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 96512 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 08:35:22] [INFO ] Flatten gal took : 1201 ms
[2025-06-03 08:35:23] [INFO ] Flatten gal took : 558 ms
[2025-06-03 08:35:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11889248056739660330.gal : 193 ms
[2025-06-03 08:35:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10864272677744660724.prop : 33 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/ReachabilityCardinality11889248056739660330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10864272677744660724.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 (6112 resets) in 15541 ms. (2 steps per ms) remains 431/2361 properties
BEST_FIRST walk for 404 steps (5 resets) in 26 ms. (14 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (7 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (0 resets) in 13 ms. (28 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (4 resets) in 18 ms. (21 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 22 ms. (17 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 21 ms. (18 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 17 ms. (22 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 10 ms. (36 steps per ms) remains 431/431 properties
Loading property file /tmp/ReachabilityCardinality10864272677744660724.prop.
BEST_FIRST walk for 404 steps (2 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 23 ms. (16 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (4 resets) in 12 ms. (31 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (4 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 12 ms. (31 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 13 ms. (28 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (6 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 17 ms. (22 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 8 ms. (44 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 15 ms. (25 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 20 ms. (19 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 12 ms. (31 steps per ms) remains 431/431 properties
BEST_FIRST walk for 403 steps (11 resets) in 17 ms. (22 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 21 ms. (18 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 9 ms. (40 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 17 ms. (22 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (13 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (6 resets) in 17 ms. (22 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (7 resets) in 13 ms. (28 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (4 resets) in 19 ms. (20 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 8 ms. (44 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (7 resets) in 15 ms. (25 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 10 ms. (36 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (1 resets) in 7 ms. (50 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (13 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (6 resets) in 12 ms. (31 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 7 ms. (50 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 9 ms. (40 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (4 resets) in 8 ms. (44 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (5 resets) in 14 ms. (26 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (6 resets) in 10 ms. (36 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (2 resets) in 9 ms. (40 steps per ms) remains 431/431 properties
BEST_FIRST walk for 404 steps (3 resets) in 11 ms. (33 steps per ms) remains 431/431 properties
[2025-06-03 08:35:25] [INFO ] Invariant cache hit.
[2025-06-03 08:35:27] [INFO ] State equation strengthened by 9588 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s13 1.0)
(s16timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 439/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 431 unsolved in 5017 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: 431/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 431 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 439/14200 variables, and 0 constraints, problems are : Problem set: 0 solved, 431 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: 370/61 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13891ms problems are : Problem set: 0 solved, 431 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 439 out of 2368 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2368/2368 places, 11832/11832 transitions.
Discarding 851 places :
Symmetric choice reduction at 0 with 851 rule applications. Total rules 851 place count 1517 transition count 2737
Iterating global reduction 0 with 851 rules applied. Total rules applied 1702 place count 1517 transition count 2737
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Iterating post reduction 0 with 132 rules applied. Total rules applied 1834 place count 1517 transition count 2605
Discarding 701 places :
Symmetric choice reduction at 1 with 701 rule applications. Total rules 2535 place count 816 transition count 1904
Iterating global reduction 1 with 701 rules applied. Total rules applied 3236 place count 816 transition count 1904
Ensure Unique test removed 670 transitions
Reduce isomorphic transitions removed 670 transitions.
Iterating post reduction 1 with 670 rules applied. Total rules applied 3906 place count 816 transition count 1234
Discarding 122 places :
Symmetric choice reduction at 2 with 122 rule applications. Total rules 4028 place count 694 transition count 1112
Iterating global reduction 2 with 122 rules applied. Total rules applied 4150 place count 694 transition count 1112
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 2 with 98 rules applied. Total rules applied 4248 place count 694 transition count 1014
Applied a total of 4248 rules in 476 ms. Remains 694 /2368 variables (removed 1674) and now considering 1014/11832 (removed 10818) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 476 ms. Remains : 694/2368 places, 1014/11832 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 (679139 resets) in 82158 ms. (48 steps per ms) remains 164/431 properties
BEST_FIRST walk for 40003 steps (599 resets) in 178 ms. (223 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (616 resets) in 170 ms. (233 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (622 resets) in 174 ms. (228 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (612 resets) in 178 ms. (223 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (641 resets) in 174 ms. (228 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (597 resets) in 140 ms. (283 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (628 resets) in 155 ms. (256 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (627 resets) in 156 ms. (254 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (595 resets) in 147 ms. (270 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (609 resets) in 121 ms. (327 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (558 resets) in 144 ms. (275 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (575 resets) in 143 ms. (277 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (574 resets) in 142 ms. (279 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (618 resets) in 140 ms. (283 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (527 resets) in 136 ms. (292 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (610 resets) in 128 ms. (310 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (609 resets) in 182 ms. (218 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (578 resets) in 123 ms. (322 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40002 steps (636 resets) in 136 ms. (291 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (624 resets) in 139 ms. (285 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (606 resets) in 147 ms. (270 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (630 resets) in 129 ms. (307 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (608 resets) in 164 ms. (242 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (623 resets) in 147 ms. (270 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (585 resets) in 135 ms. (294 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (596 resets) in 137 ms. (289 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (609 resets) in 122 ms. (325 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (631 resets) in 100 ms. (396 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (606 resets) in 93 ms. (425 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40002 steps (657 resets) in 126 ms. (314 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (583 resets) in 124 ms. (320 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (601 resets) in 117 ms. (339 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (640 resets) in 137 ms. (289 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (619 resets) in 123 ms. (322 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (653 resets) in 133 ms. (298 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (641 resets) in 110 ms. (360 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (594 resets) in 151 ms. (263 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (610 resets) in 113 ms. (350 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (616 resets) in 133 ms. (298 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (590 resets) in 128 ms. (310 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (600 resets) in 122 ms. (325 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (578 resets) in 104 ms. (380 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (648 resets) in 142 ms. (279 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (610 resets) in 136 ms. (292 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (646 resets) in 115 ms. (344 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (602 resets) in 121 ms. (327 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (576 resets) in 118 ms. (336 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40003 steps (594 resets) in 104 ms. (380 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (581 resets) in 127 ms. (312 steps per ms) remains 164/164 properties
BEST_FIRST walk for 40004 steps (607 resets) in 105 ms. (377 steps per ms) remains 164/164 properties
// Phase 1: matrix 1014 rows 694 cols
[2025-06-03 08:36:03] [INFO ] Computed 3 invariants in 20 ms
[2025-06-03 08:36:03] [INFO ] State equation strengthened by 361 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 1 (OVERLAPS) 246/420 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 3 (OVERLAPS) 20/440 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/440 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 5 (OVERLAPS) 728/1168 variables, 440/443 constraints. Problems are: Problem set: 0 solved, 164 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1168 variables, 75/518 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1168 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 164 unsolved
Problem qltransition_1642 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 9933ms, After SMT, problems are : Problem set: 1 solved, 163 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 174 out of 694 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 694/694 places, 1014/1014 transitions.
Discarding 226 places :
Symmetric choice reduction at 0 with 226 rule applications. Total rules 226 place count 468 transition count 788
Iterating global reduction 0 with 226 rules applied. Total rules applied 452 place count 468 transition count 788
Discarding 226 places :
Symmetric choice reduction at 0 with 226 rule applications. Total rules 678 place count 242 transition count 562
Iterating global reduction 0 with 226 rules applied. Total rules applied 904 place count 242 transition count 562
Ensure Unique test removed 226 transitions
Reduce isomorphic transitions removed 226 transitions.
Iterating post reduction 0 with 226 rules applied. Total rules applied 1130 place count 242 transition count 336
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 1133 place count 239 transition count 297
Iterating global reduction 1 with 3 rules applied. Total rules applied 1136 place count 239 transition count 297
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 1138 place count 237 transition count 295
Iterating global reduction 1 with 2 rules applied. Total rules applied 1140 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 1141 place count 237 transition count 294
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 1145 place count 233 transition count 290
Iterating global reduction 2 with 4 rules applied. Total rules applied 1149 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 1153 place count 233 transition count 286
Applied a total of 1153 rules in 47 ms. Remains 233 /694 variables (removed 461) and now considering 286/1014 (removed 728) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 233/694 places, 286/1014 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 150107 ms.

BK_STOP 1748939773505

--------------------
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-d1m010"
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-d1m010, 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-174889272300262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m010.tgz
mv RingSingleMessageInMbox-PT-d1m010 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 ;