Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r534-smll-171683819300052.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d1m64, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r534-smll-171683819300052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 840K
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 19:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Apr 12 19:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Apr 12 19:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 19:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K Apr 12 19:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 450K May 18 16:43 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 1717248541247

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d1m64
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:29:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 13:29:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:29:04] [INFO ] Load time of PNML (sax parser for PT used): 338 ms
[2024-06-01 13:29:04] [INFO ] Transformed 1295 places.
[2024-06-01 13:29:04] [INFO ] Transformed 749 transitions.
[2024-06-01 13:29:04] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 564 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 140 ms. Remains 242 /1295 variables (removed 1053) and now considering 509/749 (removed 240) transitions.
// Phase 1: matrix 509 rows 242 cols
[2024-06-01 13:29:04] [INFO ] Computed 5 invariants in 47 ms
[2024-06-01 13:29:05] [INFO ] Implicit Places using invariants in 985 ms returned []
[2024-06-01 13:29:05] [INFO ] Invariant cache hit.
[2024-06-01 13:29:05] [INFO ] State equation strengthened by 347 read => feed constraints.
[2024-06-01 13:29:08] [INFO ] Implicit Places using invariants and state equation in 2577 ms returned []
Implicit Place search using SMT with State Equation took 3613 ms to find 0 implicit places.
Running 508 sub problems to find dead transitions.
[2024-06-01 13:29:08] [INFO ] Invariant cache hit.
[2024-06-01 13:29:08] [INFO ] State equation strengthened by 347 read => feed constraints.
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
[2024-06-01 13:29:27] [INFO ] Deduced a trap composed of 83 places in 231 ms of which 43 ms to minimize.
[2024-06-01 13:29:27] [INFO ] Deduced a trap composed of 83 places in 131 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/242 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/242 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 508 unsolved
At refinement iteration 6 (OVERLAPS) 509/751 variables, 242/249 constraints. Problems are: Problem set: 0 solved, 508 unsolved
SMT process timed out in 32033ms, After SMT, problems are : Problem set: 0 solved, 508 unsolved
Search for dead transitions found 0 dead transitions in 32080ms
Starting structural reductions in LIVENESS mode, iteration 1 : 242/1295 places, 509/749 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 35911 ms. Remains : 242/1295 places, 509/749 transitions.
Discarding 275 transitions out of 509. Remains 234
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8898 resets) in 4628 ms. (8 steps per ms) remains 209/233 properties
BEST_FIRST walk for 403 steps (20 resets) in 15 ms. (25 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (19 resets) in 11 ms. (33 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (19 resets) in 16 ms. (23 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (24 resets) in 27 ms. (14 steps per ms) remains 209/209 properties
BEST_FIRST walk for 404 steps (13 resets) in 14 ms. (26 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (24 resets) in 14 ms. (26 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (19 resets) in 24 ms. (16 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (19 resets) in 25 ms. (15 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (21 resets) in 14 ms. (26 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (16 resets) in 23 ms. (16 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (17 resets) in 15 ms. (25 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (17 resets) in 24 ms. (16 steps per ms) remains 209/209 properties
BEST_FIRST walk for 404 steps (20 resets) in 20 ms. (19 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (19 resets) in 13 ms. (28 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (18 resets) in 23 ms. (16 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (22 resets) in 26 ms. (14 steps per ms) remains 209/209 properties
BEST_FIRST walk for 404 steps (18 resets) in 12 ms. (31 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (19 resets) in 12 ms. (30 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (22 resets) in 26 ms. (14 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (22 resets) in 27 ms. (14 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (21 resets) in 33 ms. (11 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (20 resets) in 29 ms. (13 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (17 resets) in 24 ms. (16 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (21 resets) in 21 ms. (18 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (14 resets) in 19 ms. (20 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (19 resets) in 35 ms. (11 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (19 resets) in 28 ms. (13 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (19 resets) in 43 ms. (9 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (22 resets) in 21 ms. (18 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (18 resets) in 16 ms. (23 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (19 resets) in 14 ms. (26 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (15 resets) in 13 ms. (28 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (24 resets) in 10 ms. (36 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (17 resets) in 12 ms. (31 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (22 resets) in 19 ms. (20 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (15 resets) in 10 ms. (36 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (15 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (14 resets) in 9 ms. (40 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (17 resets) in 15 ms. (25 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (19 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (22 resets) in 7 ms. (50 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (23 resets) in 7 ms. (50 steps per ms) remains 209/209 properties
BEST_FIRST walk for 401 steps (18 resets) in 7 ms. (50 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (21 resets) in 10 ms. (36 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (16 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (19 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (18 resets) in 10 ms. (36 steps per ms) remains 209/209 properties
BEST_FIRST walk for 402 steps (23 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (20 resets) in 8 ms. (44 steps per ms) remains 209/209 properties
BEST_FIRST walk for 403 steps (26 resets) in 10 ms. (36 steps per ms) remains 209/209 properties
[2024-06-01 13:29:41] [INFO ] Invariant cache hit.
[2024-06-01 13:29:42] [INFO ] State equation strengthened by 347 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 21/240 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
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(s75 0.0)
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(s77 0.0)
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(s84 0.0)
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(s93 1.0)
(s94 1.0)
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(s96 0.0)
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(s103 0.0)
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(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 1.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 1.0)
(s130 0.0)
(s131 0.0)
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(s135 0.0)
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(s140 0.0)
(s141 1.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 0.0)
(s149 0.0)
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(s151 0.0)
(s152 1.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 1.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 1.0)
(s164 0.0)
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(s174 1.0)
(s175 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 2/242 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 242/751 variables, and 5 constraints, problems are : Problem set: 0 solved, 209 unsolved in 5033 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/242 constraints, ReadFeed: 0/347 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 209 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/219 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (OVERLAPS) 21/240 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (OVERLAPS) 2/242 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 242/751 variables, and 5 constraints, problems are : Problem set: 0 solved, 209 unsolved in 5022 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/242 constraints, ReadFeed: 0/347 constraints, PredecessorRefiner: 0/209 constraints, Known Traps: 0/0 constraints]
After SMT, in 10695ms problems are : Problem set: 0 solved, 209 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 219 out of 242 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 242/242 places, 509/509 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 240 transition count 507
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 240 transition count 507
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 240 transition count 505
Applied a total of 6 rules in 137 ms. Remains 240 /242 variables (removed 2) and now considering 505/509 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 240/242 places, 505/509 transitions.
RANDOM walk for 4000000 steps (897204 resets) in 74964 ms. (53 steps per ms) remains 199/209 properties
BEST_FIRST walk for 40003 steps (1924 resets) in 268 ms. (148 steps per ms) remains 198/199 properties
BEST_FIRST walk for 40001 steps (1888 resets) in 257 ms. (155 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40002 steps (1879 resets) in 250 ms. (159 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40003 steps (1939 resets) in 253 ms. (157 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40002 steps (1848 resets) in 345 ms. (115 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40004 steps (1985 resets) in 389 ms. (102 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40002 steps (1933 resets) in 384 ms. (103 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40002 steps (1914 resets) in 391 ms. (102 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40003 steps (1937 resets) in 386 ms. (103 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40004 steps (1869 resets) in 285 ms. (139 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40004 steps (1932 resets) in 255 ms. (156 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40003 steps (1902 resets) in 254 ms. (156 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40004 steps (1918 resets) in 251 ms. (158 steps per ms) remains 198/198 properties
BEST_FIRST walk for 40002 steps (1886 resets) in 254 ms. (156 steps per ms) remains 197/198 properties
BEST_FIRST walk for 40001 steps (1932 resets) in 255 ms. (156 steps per ms) remains 197/197 properties
BEST_FIRST walk for 40004 steps (1857 resets) in 248 ms. (160 steps per ms) remains 194/197 properties
BEST_FIRST walk for 40003 steps (1932 resets) in 249 ms. (160 steps per ms) remains 193/194 properties
BEST_FIRST walk for 40003 steps (1862 resets) in 246 ms. (161 steps per ms) remains 193/193 properties
BEST_FIRST walk for 40003 steps (1898 resets) in 311 ms. (128 steps per ms) remains 193/193 properties
BEST_FIRST walk for 40003 steps (1879 resets) in 244 ms. (163 steps per ms) remains 192/193 properties
BEST_FIRST walk for 40001 steps (1906 resets) in 246 ms. (161 steps per ms) remains 188/192 properties
BEST_FIRST walk for 40001 steps (1931 resets) in 245 ms. (162 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40001 steps (1850 resets) in 294 ms. (135 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1920 resets) in 322 ms. (123 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1871 resets) in 316 ms. (126 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1928 resets) in 316 ms. (126 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40001 steps (1882 resets) in 319 ms. (125 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40001 steps (1916 resets) in 308 ms. (129 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1884 resets) in 243 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1944 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1899 resets) in 242 ms. (164 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1877 resets) in 241 ms. (165 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1972 resets) in 245 ms. (162 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40001 steps (1935 resets) in 243 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1922 resets) in 245 ms. (162 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1953 resets) in 246 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1892 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40000 steps (1949 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1890 resets) in 240 ms. (165 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1913 resets) in 250 ms. (159 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1905 resets) in 257 ms. (155 steps per ms) remains 185/188 properties
BEST_FIRST walk for 40002 steps (1881 resets) in 289 ms. (137 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1894 resets) in 258 ms. (154 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1900 resets) in 362 ms. (110 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1907 resets) in 365 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1888 resets) in 361 ms. (110 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (2023 resets) in 369 ms. (108 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1900 resets) in 364 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1919 resets) in 258 ms. (154 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1905 resets) in 242 ms. (164 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1871 resets) in 239 ms. (166 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1837 resets) in 236 ms. (168 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1872 resets) in 253 ms. (157 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1981 resets) in 248 ms. (160 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1957 resets) in 242 ms. (164 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1909 resets) in 261 ms. (152 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1899 resets) in 365 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40000 steps (1979 resets) in 368 ms. (108 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1880 resets) in 359 ms. (111 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1944 resets) in 364 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1924 resets) in 365 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1961 resets) in 284 ms. (140 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1887 resets) in 237 ms. (168 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1925 resets) in 243 ms. (163 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1867 resets) in 240 ms. (165 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1959 resets) in 251 ms. (158 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1819 resets) in 241 ms. (165 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1923 resets) in 241 ms. (165 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1841 resets) in 238 ms. (167 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1921 resets) in 337 ms. (118 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1965 resets) in 366 ms. (109 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1946 resets) in 367 ms. (108 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1915 resets) in 383 ms. (104 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1954 resets) in 367 ms. (108 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1918 resets) in 310 ms. (128 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1967 resets) in 242 ms. (164 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1919 resets) in 310 ms. (128 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1903 resets) in 241 ms. (165 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1938 resets) in 246 ms. (161 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40004 steps (1946 resets) in 243 ms. (163 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1890 resets) in 239 ms. (166 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1874 resets) in 332 ms. (120 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1841 resets) in 377 ms. (105 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1921 resets) in 383 ms. (104 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1880 resets) in 382 ms. (104 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1904 resets) in 384 ms. (103 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40003 steps (1940 resets) in 283 ms. (140 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40001 steps (1922 resets) in 315 ms. (126 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1974 resets) in 437 ms. (91 steps per ms) remains 185/185 properties
BEST_FIRST walk for 40002 steps (1866 resets) in 248 ms. (160 steps per ms) remains 185/185 properties
// Phase 1: matrix 505 rows 240 cols
[2024-06-01 13:30:19] [INFO ] Computed 5 invariants in 8 ms
[2024-06-01 13:30:19] [INFO ] State equation strengthened by 343 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/195 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 1 (OVERLAPS) 40/235 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 3 (OVERLAPS) 5/240 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 5 (OVERLAPS) 505/745 variables, 240/245 constraints. Problems are: Problem set: 0 solved, 185 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/745 variables, 343/588 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/745 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 8 (OVERLAPS) 0/745 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 185 unsolved
No progress, stopping.
After SMT solving in domain Real declared 745/745 variables, and 588 constraints, problems are : Problem set: 0 solved, 185 unsolved in 43132 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 240/240 constraints, ReadFeed: 343/343 constraints, PredecessorRefiner: 185/185 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 185 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/195 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 1 (OVERLAPS) 40/235 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 3 (OVERLAPS) 5/240 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 5 (OVERLAPS) 505/745 variables, 240/245 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/745 variables, 343/588 constraints. Problems are: Problem set: 0 solved, 185 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/745 variables, 185/773 constraints. Problems are: Problem set: 0 solved, 185 unsolved
[2024-06-01 13:31:36] [INFO ] Deduced a trap composed of 28 places in 149 ms of which 4 ms to minimize.
[2024-06-01 13:31:36] [INFO ] Deduced a trap composed of 85 places in 145 ms of which 3 ms to minimize.
Problem qltransition_130 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 79355ms, After SMT, problems are : Problem set: 0 solved, 185 unsolved
Fused 185 Parikh solutions to 125 different solutions.
Parikh walk visited 0 properties in 30231 ms.
Support contains 195 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 505/505 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 238 transition count 500
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 238 transition count 500
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 8 place count 238 transition count 496
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 237 transition count 495
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 237 transition count 495
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 236 transition count 494
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 236 transition count 494
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 13 place count 236 transition count 493
Applied a total of 13 rules in 54 ms. Remains 236 /240 variables (removed 4) and now considering 493/505 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 236/240 places, 493/505 transitions.
Total runtime 185409 ms.
ITS solved all properties within timeout

BK_STOP 1717248729118

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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-d1m64"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is SieveSingleMsgMbox-PT-d1m64, 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 r534-smll-171683819300052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m64.tgz
mv SieveSingleMsgMbox-PT-d1m64 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;