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-171683819200047.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-d1m36, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r534-smll-171683819200047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 828K
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 23 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 19:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Apr 12 19:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 12 19:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Apr 12 19:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 12 19:22 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 1717248473323

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-d1m36
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:27:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 13:27:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:27:56] [INFO ] Load time of PNML (sax parser for PT used): 327 ms
[2024-06-01 13:27:56] [INFO ] Transformed 1295 places.
[2024-06-01 13:27:56] [INFO ] Transformed 749 transitions.
[2024-06-01 13:27:56] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 589 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 102 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 13:27:56] [INFO ] Computed 5 invariants in 60 ms
[2024-06-01 13:27:57] [INFO ] Implicit Places using invariants in 913 ms returned []
[2024-06-01 13:27:57] [INFO ] Invariant cache hit.
[2024-06-01 13:27:58] [INFO ] State equation strengthened by 347 read => feed constraints.
[2024-06-01 13:28:01] [INFO ] Implicit Places using invariants and state equation in 3859 ms returned []
Implicit Place search using SMT with State Equation took 4860 ms to find 0 implicit places.
Running 508 sub problems to find dead transitions.
[2024-06-01 13:28:01] [INFO ] Invariant cache hit.
[2024-06-01 13:28:01] [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 13:28:21] [INFO ] Deduced a trap composed of 83 places in 334 ms of which 59 ms to minimize.
[2024-06-01 13:28:21] [INFO ] Deduced a trap composed of 83 places in 205 ms of which 4 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 32305ms, After SMT, problems are : Problem set: 0 solved, 508 unsolved
Search for dead transitions found 0 dead transitions in 32355ms
Starting structural reductions in LIVENESS mode, iteration 1 : 242/1295 places, 509/749 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 37400 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 (8857 resets) in 4063 ms. (9 steps per ms) remains 205/233 properties
BEST_FIRST walk for 401 steps (15 resets) in 16 ms. (23 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (17 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 400 steps (17 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (16 resets) in 20 ms. (19 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (18 resets) in 21 ms. (18 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (20 resets) in 16 ms. (23 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (17 resets) in 24 ms. (16 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (16 resets) in 23 ms. (16 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (13 resets) in 15 ms. (25 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (16 resets) in 22 ms. (17 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (17 resets) in 17 ms. (22 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (16 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (15 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (19 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (16 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (18 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (13 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (18 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (23 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (16 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (20 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (17 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (12 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (15 resets) in 12 ms. (30 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (20 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (21 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (22 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (21 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (20 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (27 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (20 resets) in 5 ms. (67 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (21 resets) in 5 ms. (66 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (13 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (19 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (22 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (24 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (20 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (19 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (18 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (15 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (20 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 401 steps (17 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (21 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 403 steps (21 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 402 steps (15 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
[2024-06-01 13:28:35] [INFO ] Invariant cache hit.
[2024-06-01 13:28:35] [INFO ] State equation strengthened by 347 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/215 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (OVERLAPS) 25/240 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 205 unsolved
SMT process timed out in 5640ms, After SMT, problems are : Problem set: 0 solved, 205 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 215 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 141 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 141 ms. Remains : 240/242 places, 505/509 transitions.
RANDOM walk for 4000000 steps (896294 resets) in 73028 ms. (54 steps per ms) remains 195/205 properties
BEST_FIRST walk for 40004 steps (1919 resets) in 422 ms. (94 steps per ms) remains 191/195 properties
BEST_FIRST walk for 40002 steps (1898 resets) in 295 ms. (135 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40002 steps (1907 resets) in 242 ms. (164 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40004 steps (1806 resets) in 245 ms. (162 steps per ms) remains 191/191 properties
BEST_FIRST walk for 40003 steps (1927 resets) in 244 ms. (163 steps per ms) remains 190/191 properties
BEST_FIRST walk for 40004 steps (1879 resets) in 243 ms. (163 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (1969 resets) in 247 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1869 resets) in 240 ms. (165 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1929 resets) in 240 ms. (165 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (1898 resets) in 241 ms. (165 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (1888 resets) in 242 ms. (164 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1876 resets) in 247 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1887 resets) in 245 ms. (162 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (1898 resets) in 242 ms. (164 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1933 resets) in 246 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1899 resets) in 251 ms. (158 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1926 resets) in 245 ms. (162 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1898 resets) in 246 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1895 resets) in 309 ms. (129 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1957 resets) in 317 ms. (125 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1919 resets) in 319 ms. (125 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1937 resets) in 308 ms. (129 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1842 resets) in 242 ms. (164 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1903 resets) in 247 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40000 steps (1915 resets) in 246 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1906 resets) in 250 ms. (159 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1923 resets) in 254 ms. (156 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1861 resets) in 245 ms. (162 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1919 resets) in 247 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1943 resets) in 317 ms. (125 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1944 resets) in 372 ms. (107 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (1919 resets) in 381 ms. (104 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (1921 resets) in 371 ms. (107 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (1916 resets) in 368 ms. (108 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (1873 resets) in 329 ms. (121 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1898 resets) in 246 ms. (161 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1910 resets) in 245 ms. (162 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1879 resets) in 251 ms. (158 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (1949 resets) in 250 ms. (159 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (1948 resets) in 264 ms. (150 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (1867 resets) in 248 ms. (160 steps per ms) remains 188/190 properties
BEST_FIRST walk for 40002 steps (1924 resets) in 243 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40000 steps (1889 resets) in 287 ms. (138 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1928 resets) in 306 ms. (130 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1876 resets) in 306 ms. (130 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1909 resets) in 310 ms. (128 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1932 resets) in 278 ms. (143 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1963 resets) in 249 ms. (160 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1909 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1944 resets) in 246 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1911 resets) in 247 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1951 resets) in 261 ms. (152 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1932 resets) in 249 ms. (160 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1904 resets) in 256 ms. (155 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1911 resets) in 252 ms. (158 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1885 resets) in 255 ms. (156 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1913 resets) in 245 ms. (162 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1940 resets) in 250 ms. (159 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1921 resets) in 241 ms. (165 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40001 steps (1905 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1909 resets) in 242 ms. (164 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1916 resets) in 248 ms. (160 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1925 resets) in 247 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1932 resets) in 250 ms. (159 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1889 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1897 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1967 resets) in 257 ms. (155 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1928 resets) in 247 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1928 resets) in 244 ms. (163 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1863 resets) in 271 ms. (147 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1856 resets) in 307 ms. (129 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40000 steps (1848 resets) in 308 ms. (129 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1918 resets) in 312 ms. (127 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40004 steps (1905 resets) in 286 ms. (139 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1941 resets) in 247 ms. (161 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40003 steps (1868 resets) in 242 ms. (164 steps per ms) remains 188/188 properties
BEST_FIRST walk for 40002 steps (1928 resets) in 240 ms. (165 steps per ms) remains 178/188 properties
BEST_FIRST walk for 40003 steps (1896 resets) in 313 ms. (127 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (1857 resets) in 231 ms. (172 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1836 resets) in 231 ms. (172 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1902 resets) in 319 ms. (125 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (1908 resets) in 340 ms. (117 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1867 resets) in 328 ms. (121 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1930 resets) in 327 ms. (121 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1942 resets) in 333 ms. (119 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1970 resets) in 288 ms. (138 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1920 resets) in 235 ms. (169 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1970 resets) in 238 ms. (167 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1893 resets) in 235 ms. (169 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1905 resets) in 310 ms. (128 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1882 resets) in 244 ms. (163 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1946 resets) in 234 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1886 resets) in 233 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (1862 resets) in 232 ms. (171 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1864 resets) in 231 ms. (172 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (1918 resets) in 232 ms. (171 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1895 resets) in 233 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1925 resets) in 236 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1898 resets) in 233 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1933 resets) in 248 ms. (160 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1917 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (2005 resets) in 234 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (1874 resets) in 238 ms. (167 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (1920 resets) in 236 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (1838 resets) in 234 ms. (170 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1956 resets) in 242 ms. (164 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (1877 resets) in 235 ms. (169 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40004 steps (1891 resets) in 244 ms. (163 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1933 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1955 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1865 resets) in 236 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1886 resets) in 236 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1949 resets) in 241 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (1956 resets) in 238 ms. (167 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1879 resets) in 240 ms. (165 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (1933 resets) in 237 ms. (168 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (1897 resets) in 243 ms. (163 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40000 steps (8000 resets) in 402 ms. (99 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40002 steps (4092 resets) in 317 ms. (125 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (4183 resets) in 314 ms. (126 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (4135 resets) in 322 ms. (123 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (4200 resets) in 316 ms. (126 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (4112 resets) in 311 ms. (128 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (4179 resets) in 325 ms. (122 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40003 steps (4074 resets) in 313 ms. (127 steps per ms) remains 178/178 properties
BEST_FIRST walk for 40001 steps (4167 resets) in 313 ms. (127 steps per ms) remains 178/178 properties
// Phase 1: matrix 505 rows 240 cols
[2024-06-01 13:29:09] [INFO ] Computed 5 invariants in 11 ms
[2024-06-01 13:29:09] [INFO ] State equation strengthened by 343 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (OVERLAPS) 46/234 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (OVERLAPS) 6/240 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 178 unsolved
[2024-06-01 13:29:17] [INFO ] Deduced a trap composed of 80 places in 180 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (OVERLAPS) 505/745 variables, 240/246 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/745 variables, 343/589 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/745 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 9 (OVERLAPS) 0/745 variables, 0/589 constraints. Problems are: Problem set: 0 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Real declared 745/745 variables, and 589 constraints, problems are : Problem set: 0 solved, 178 unsolved in 45014 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: 178/178 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 178 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/188 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 1 (OVERLAPS) 46/234 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 3 (OVERLAPS) 6/240 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 6 (OVERLAPS) 505/745 variables, 240/246 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/745 variables, 343/589 constraints. Problems are: Problem set: 0 solved, 178 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/745 variables, 178/767 constraints. Problems are: Problem set: 0 solved, 178 unsolved
[2024-06-01 13:30:17] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 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 68972ms, After SMT, problems are : Problem set: 0 solved, 178 unsolved
Fused 178 Parikh solutions to 123 different solutions.
Parikh walk visited 0 properties in 30173 ms.
Support contains 188 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 55 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 55 ms. Remains : 236/240 places, 493/505 transitions.
Total runtime 172974 ms.
ITS solved all properties within timeout

BK_STOP 1717248649023

--------------------
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-d1m36"
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-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 r534-smll-171683819200047"
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.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 ;