Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r217-tall-174902002800267.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 SieveSingleMsgMbox-PT-d1m36, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r217-tall-174902002800267
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 872K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 9.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 450K May 29 14:33 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 1749073985336

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d1m36
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-04 21:53:06] [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]
[2025-06-04 21:53:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 21:53:07] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2025-06-04 21:53:07] [INFO ] Transformed 1295 places.
[2025-06-04 21:53:07] [INFO ] Transformed 749 transitions.
[2025-06-04 21:53:07] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 244 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1295/1295 places, 749/749 transitions.
Reduce places removed 1053 places and 0 transitions.
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 240 transitions.
Iterating post reduction 0 with 1293 rules applied. Total rules applied 1293 place count 242 transition count 509
Applied a total of 1293 rules in 40 ms. Remains 242 /1295 variables (removed 1053) and now considering 509/749 (removed 240) transitions.
// Phase 1: matrix 509 rows 242 cols
[2025-06-04 21:53:07] [INFO ] Computed 5 invariants in 39 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 21:53:07] [INFO ] Implicit Places using invariants in 570 ms returned []
[2025-06-04 21:53:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 21:53:07] [INFO ] State equation strengthened by 347 read => feed constraints.
[2025-06-04 21:53:13] [INFO ] Implicit Places using invariants and state equation in 5568 ms returned []
Implicit Place search using SMT with State Equation took 6181 ms to find 0 implicit places.
Running 508 sub problems to find dead transitions.
[2025-06-04 21:53:13] [INFO ] Invariant cache hit.
[2025-06-04 21:53:13] [INFO ] State equation strengthened by 347 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (OVERLAPS) 1/242 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:53:25] [INFO ] Deduced a trap composed of 48 places in 127 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:53:25] [INFO ] Deduced a trap composed of 83 places in 88 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:53:25] [INFO ] Deduced a trap composed of 83 places in 81 ms of which 11 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:53:28] [INFO ] Deduced a trap composed of 80 places in 93 ms of which 11 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (OVERLAPS) 509/751 variables, 242/251 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/751 variables, 347/598 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 751/751 variables, and 598 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 242/242 constraints, ReadFeed: 347/347 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 508 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/241 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/241 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/241 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/241 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 4 (OVERLAPS) 1/242 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 7 (OVERLAPS) 509/751 variables, 242/251 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/751 variables, 347/598 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/751 variables, 508/1106 constraints. Problems are: Problem set: 0 solved, 508 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 751/751 variables, and 1106 constraints, problems are : Problem set: 0 solved, 508 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 242/242 constraints, ReadFeed: 347/347 constraints, PredecessorRefiner: 508/508 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60783ms problems are : Problem set: 0 solved, 508 unsolved
Search for dead transitions found 0 dead transitions in 60800ms
Starting structural reductions in LIVENESS mode, iteration 1 : 242/1295 places, 509/749 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 67057 ms. Remains : 242/1295 places, 509/749 transitions.
Discarding 275 transitions out of 509. Remains 234
Initial state reduction rules removed 1 formulas.
[2025-06-04 21:54:15] [INFO ] Flatten gal took : 314 ms
[2025-06-04 21:54:15] [INFO ] Flatten gal took : 99 ms
[2025-06-04 21:54:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14108274757376920240.gal : 62 ms
[2025-06-04 21:54:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14804795866764610221.prop : 12 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14108274757376920240.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14804795866764610221.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 (8852 resets) in 5072 ms. (7 steps per ms) remains 212/233 properties
BEST_FIRST walk for 403 steps (19 resets) in 12 ms. (31 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (16 resets) in 8 ms. (44 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (16 resets) in 10 ms. (36 steps per ms) remains 212/212 properties
Loading property file /tmp/ReachabilityCardinality14804795866764610221.prop.
BEST_FIRST walk for 404 steps (26 resets) in 48 ms. (8 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (18 resets) in 18 ms. (21 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (14 resets) in 35 ms. (11 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (18 resets) in 20 ms. (19 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (17 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (17 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (14 resets) in 8 ms. (44 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (21 resets) in 8 ms. (44 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (20 resets) in 13 ms. (28 steps per ms) remains 212/212 properties
BEST_FIRST walk for 400 steps (18 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (20 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (23 resets) in 8 ms. (44 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (15 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (24 resets) in 13 ms. (28 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (23 resets) in 13 ms. (28 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (12 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (19 resets) in 11 ms. (33 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (22 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (16 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (21 resets) in 9 ms. (40 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (17 resets) in 13 ms. (28 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (18 resets) in 9 ms. (40 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (21 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (16 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (17 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (20 resets) in 12 ms. (31 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (20 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (20 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
Reachability property qltransition_429 is true.
BEST_FIRST walk for 401 steps (17 resets) in 18 ms. (21 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (19 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (20 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (22 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (18 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 400 steps (21 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (19 resets) in 11 ms. (33 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (17 resets) in 11 ms. (33 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (25 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 403 steps (19 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
Reachability property qltransition_6 is true.
BEST_FIRST walk for 404 steps (19 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
Reachability property qltransition_5 is true.
Reachability property qltransition_3 is true.
BEST_FIRST walk for 403 steps (15 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (20 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 400 steps (17 resets) in 8 ms. (44 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (19 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,227 properties remain. new max is 2
SDD size :1 after 7
BEST_FIRST walk for 402 steps (19 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 402 steps (20 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
BEST_FIRST walk for 404 steps (19 resets) in 6 ms. (57 steps per ms) remains 212/212 properties
BEST_FIRST walk for 401 steps (19 resets) in 7 ms. (50 steps per ms) remains 212/212 properties
Reachability property qltransition_430 is true.
Reachability property qltransition_142 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_137 is true.
Reachability property qltransition_9 is true.
Reachability property qltransition_8 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,220 properties remain. new max is 2
SDD size :7 after 27
Reachability property qltransition_461 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_11 is true.
SDD proceeding with computation,215 properties remain. new max is 2
SDD size :27 after 85
Reachability property qltransition_427 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_41 is true.
SDD proceeding with computation,212 properties remain. new max is 2
SDD size :85 after 151
SDD proceeding with computation,212 properties remain. new max is 4
SDD size :151 after 175
Reachability property qltransition_471 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_124 is true.
SDD proceeding with computation,209 properties remain. new max is 4
SDD size :175 after 242
Reachability property qltransition_466 is true.
Reachability property qltransition_460 is true.
Reachability property qltransition_459 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_122 is true.
SDD proceeding with computation,202 properties remain. new max is 4
SDD size :242 after 294
Reachability property qltransition_441 is true.
Reachability property qltransition_436 is true.
Reachability property qltransition_435 is true.
Reachability property qltransition_434 is true.
Reachability property qltransition_433 is true.
Reachability property qltransition_113 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_81 is true.
Reachability property qltransition_73 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_36 is true.
Reachability property qltransition_35 is true.
Reachability property qltransition_34 is true.
Reachability property qltransition_33 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_26 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_17 is true.
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
SDD proceeding with computation,177 properties remain. new max is 4
SDD size :294 after 585
Reachability property qltransition_454 is true.
Reachability property qltransition_453 is true.
Reachability property qltransition_452 is true.
Reachability property qltransition_451 is true.
Reachability property qltransition_446 is true.
Reachability property qltransition_445 is true.
Reachability property qltransition_444 is true.
Reachability property qltransition_443 is true.
Reachability property qltransition_432 is true.
Reachability property qltransition_431 is true.
Reachability property qltransition_421 is true.
Reachability property qltransition_419 is true.
Reachability property qltransition_413 is true.
Reachability property qltransition_411 is true.
Reachability property qltransition_118 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_101 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_13 is true.
SDD proceeding with computation,152 properties remain. new max is 4
SDD size :585 after 1825
Probabilistic random walk after 100000 steps, saw 47265 distinct states, run finished after 2057 ms. (steps per millisecond=48 ) properties seen :126
[2025-06-04 21:54:17] [INFO ] Invariant cache hit.
[2025-06-04 21:54:17] [INFO ] State equation strengthened by 347 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,152 properties remain. new max is 8
SDD size :1825 after 4364
Reachability property qltransition_425 is true.
Reachability property qltransition_423 is true.
SDD proceeding with computation,150 properties remain. new max is 8
SDD size :4364 after 5378
Reachability property qltransition_417 is true.
Reachability property qltransition_415 is true.
SDD proceeding with computation,148 properties remain. new max is 8
SDD size :5378 after 6166
SDD proceeding with computation,148 properties remain. new max is 16
SDD size :6166 after 6630
Reachability property qltransition_464 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_45 is true.
SDD proceeding with computation,145 properties remain. new max is 16
SDD size :6630 after 10126
Reachability property qltransition_507 is true.
Reachability property qltransition_505 is true.
Reachability property qltransition_503 is true.
Reachability property qltransition_501 is true.
SDD proceeding with computation,141 properties remain. new max is 16
SDD size :10126 after 10406
Reachability property qltransition_143 is true.
SDD proceeding with computation,140 properties remain. new max is 16
SDD size :10406 after 11050
Reachability property qltransition_144 is true.
SDD proceeding with computation,139 properties remain. new max is 16
SDD size :11050 after 11294
Reachability property qltransition_145 is true.
SDD proceeding with computation,138 properties remain. new max is 16
SDD size :11294 after 11538
Reachability property qltransition_146 is true.
SDD proceeding with computation,137 properties remain. new max is 16
SDD size :11538 after 11782
Reachability property qltransition_485 is true.
Reachability property qltransition_470 is true.
Reachability property qltransition_428 is true.
Reachability property qltransition_181 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_177 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_133 is true.
SDD proceeding with computation,129 properties remain. new max is 16
SDD size :11782 after 13144
Reachability property qltransition_127 is true.
SDD proceeding with computation,128 properties remain. new max is 16
SDD size :13144 after 13474
SDD proceeding with computation,128 properties remain. new max is 32
SDD size :13474 after 13642
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 56 unsolved
Reachability property qltransition_484 is true.
Reachability property qltransition_483 is true.
Reachability property qltransition_482 is true.
Reachability property qltransition_481 is true.
Reachability property qltransition_467 is true.
Reachability property qltransition_125 is true.
At refinement iteration 1 (OVERLAPS) 103/168 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 56 unsolved
SDD proceeding with computation,122 properties remain. new max is 32
SDD size :13642 after 14640
Reachability property qltransition_203 is true.
SDD proceeding with computation,121 properties remain. new max is 32
SDD size :14640 after 14884
Reachability property qltransition_195 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_153 is true.
SDD proceeding with computation,116 properties remain. new max is 32
SDD size :14884 after 16362
SDD proceeding with computation,116 properties remain. new max is 64
SDD size :16362 after 16402
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 55 unsolved
At refinement iteration 3 (OVERLAPS) 47/215 variables, 3/5 constraints. Problems are: Problem set: 3 solved, 55 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:54:19] [INFO ] Deduced a trap composed of 66 places in 110 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:54:19] [INFO ] Deduced a trap composed of 73 places in 96 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:54:19] [INFO ] Deduced a trap composed of 69 places in 97 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:54:20] [INFO ] Deduced a trap composed of 69 places in 122 ms of which 24 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/215 variables, 4/9 constraints. Problems are: Problem set: 3 solved, 55 unsolved
Reachability property qltransition_473 is true.
Reachability property qltransition_463 is true.
Reachability property qltransition_462 is true.
Reachability property qltransition_458 is true.
Reachability property qltransition_457 is true.
Reachability property qltransition_456 is true.
Reachability property qltransition_455 is true.
Reachability property qltransition_450 is true.
Reachability property qltransition_449 is true.
Reachability property qltransition_448 is true.
Reachability property qltransition_447 is true.
Reachability property qltransition_442 is true.
Reachability property qltransition_440 is true.
Reachability property qltransition_439 is true.
Reachability property qltransition_438 is true.
Reachability property qltransition_437 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_114 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_85 is true.
Reachability property qltransition_77 is true.
At refinement iteration 5 (INCLUDED_ONLY) 0/215 variables, 0/9 constraints. Problems are: Problem set: 18 solved, 40 unsolved
Reachability property qltransition_69 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_40 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_38 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_32 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_29 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_21 is true.
At refinement iteration 6 (OVERLAPS) 399/614 variables, 215/224 constraints. Problems are: Problem set: 25 solved, 33 unsolved
Reachability property qltransition_20 is true.
Reachability property qltransition_19 is true.
SDD proceeding with computation,77 properties remain. new max is 64
SDD size :16402 after 53302
At refinement iteration 7 (INCLUDED_ONLY) 0/614 variables, 237/461 constraints. Problems are: Problem set: 29 solved, 29 unsolved
SDD proceeding with computation,77 properties remain. new max is 128
SDD size :53302 after 138458
SDD proceeding with computation,77 properties remain. new max is 256
SDD size :138458 after 174902
At refinement iteration 8 (INCLUDED_ONLY) 0/614 variables, 0/461 constraints. Problems are: Problem set: 29 solved, 29 unsolved
Reachability property qltransition_474 is true.
Reachability property qltransition_154 is true.
SDD proceeding with computation,75 properties remain. new max is 256
SDD size :174902 after 337242
SDD proceeding with computation,75 properties remain. new max is 512
SDD size :337242 after 366108
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 137/751 variables, 27/488 constraints. Problems are: Problem set: 31 solved, 27 unsolved
Reachability property qltransition_495 is true.
Reachability property qltransition_494 is true.
Reachability property qltransition_493 is true.
Reachability property qltransition_492 is true.
Reachability property qltransition_491 is true.
Reachability property qltransition_478 is true.
Reachability property qltransition_477 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_163 is true.
SDD proceeding with computation,63 properties remain. new max is 512
SDD size :366108 after 424920
At refinement iteration 10 (INCLUDED_ONLY) 0/751 variables, 110/598 constraints. Problems are: Problem set: 31 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 751/751 variables, and 598 constraints, problems are : Problem set: 31 solved, 27 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 242/242 constraints, ReadFeed: 347/347 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 31 solved, 27 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 119/152 variables, 2/2 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/2 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 3 (OVERLAPS) 60/212 variables, 3/5 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 4/9 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 0/9 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 6 (OVERLAPS) 385/597 variables, 212/221 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/597 variables, 223/444 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/597 variables, 5/449 constraints. Problems are: Problem set: 31 solved, 27 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 21:54:24] [INFO ] Deduced a trap along path composed of 13 places in 48 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/597 variables, 1/450 constraints. Problems are: Problem set: 31 solved, 27 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/597 variables, 0/450 constraints. Problems are: Problem set: 31 solved, 27 unsolved
Problem qltransition_130 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT TOPOLOGICAL INITIAL_STATE
SMT process timed out in 8159ms, After SMT, problems are : Problem set: 32 solved, 26 unsolved
Fused 26 Parikh solutions to 25 different solutions.
Parikh walk visited 0 properties in 383 ms.
Support contains 33 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 509/509 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 193 transition count 332
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 193 transition count 332
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 108 place count 193 transition count 322
Discarding 33 places :
Symmetric choice reduction at 1 with 33 rule applications. Total rules 141 place count 160 transition count 289
Iterating global reduction 1 with 33 rules applied. Total rules applied 174 place count 160 transition count 289
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 185 place count 160 transition count 278
Discarding 17 places :
Symmetric choice reduction at 2 with 17 rule applications. Total rules 202 place count 143 transition count 260
Iterating global reduction 2 with 17 rules applied. Total rules applied 219 place count 143 transition count 260
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 243 place count 143 transition count 236
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 246 place count 140 transition count 230
Iterating global reduction 3 with 3 rules applied. Total rules applied 249 place count 140 transition count 230
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 252 place count 137 transition count 227
Iterating global reduction 3 with 3 rules applied. Total rules applied 255 place count 137 transition count 227
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 257 place count 135 transition count 225
Iterating global reduction 3 with 2 rules applied. Total rules applied 259 place count 135 transition count 225
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 261 place count 133 transition count 223
Iterating global reduction 3 with 2 rules applied. Total rules applied 263 place count 133 transition count 223
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 265 place count 131 transition count 221
Iterating global reduction 3 with 2 rules applied. Total rules applied 267 place count 131 transition count 221
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 268 place count 130 transition count 219
Iterating global reduction 3 with 1 rules applied. Total rules applied 269 place count 130 transition count 219
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 270 place count 129 transition count 218
Iterating global reduction 3 with 1 rules applied. Total rules applied 271 place count 129 transition count 218
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 272 place count 128 transition count 217
Iterating global reduction 3 with 1 rules applied. Total rules applied 273 place count 128 transition count 217
Applied a total of 273 rules in 85 ms. Remains 128 /242 variables (removed 114) and now considering 217/509 (removed 292) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 128/242 places, 217/509 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 79839 ms.

BK_STOP 1749074067008

--------------------
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="SieveSingleMsgMbox-PT-d1m36"
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 SieveSingleMsgMbox-PT-d1m36, 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 r217-tall-174902002800267"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m36.tgz
mv SieveSingleMsgMbox-PT-d1m36 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 ;