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.r498-tall-171640617000047.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)
.............................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FlexibleBarrier-PT-12b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r498-tall-171640617000047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 964K
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 08:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Apr 13 08:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 13 08:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 13 08:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 536K May 18 16:42 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 1717192640155

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-12b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:57:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 21:57:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:57:21] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2024-05-31 21:57:21] [INFO ] Transformed 1988 places.
[2024-05-31 21:57:21] [INFO ] Transformed 2289 transitions.
[2024-05-31 21:57:21] [INFO ] Found NUPN structural information;
[2024-05-31 21:57:21] [INFO ] Parsed PT model containing 1988 places and 2289 transitions and 5727 arcs in 249 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1988/1988 places, 2289/2289 transitions.
Graph (trivial) has 1950 edges and 1988 vertex of which 74 / 1988 are part of one of the 12 SCC in 11 ms
Free SCC test removed 62 places
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 501 transitions
Trivial Post-agglo rules discarded 501 transitions
Performed 501 trivial Post agglomeration. Transition count delta: 501
Iterating post reduction 0 with 501 rules applied. Total rules applied 502 place count 1926 transition count 1725
Reduce places removed 501 places and 0 transitions.
Iterating post reduction 1 with 501 rules applied. Total rules applied 1003 place count 1425 transition count 1725
Performed 132 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 132 Pre rules applied. Total rules applied 1003 place count 1425 transition count 1593
Deduced a syphon composed of 132 places in 9 ms
Reduce places removed 132 places and 0 transitions.
Iterating global reduction 2 with 264 rules applied. Total rules applied 1267 place count 1293 transition count 1593
Performed 831 Post agglomeration using F-continuation condition.Transition count delta: 831
Deduced a syphon composed of 831 places in 1 ms
Reduce places removed 831 places and 0 transitions.
Iterating global reduction 2 with 1662 rules applied. Total rules applied 2929 place count 462 transition count 762
Applied a total of 2929 rules in 290 ms. Remains 462 /1988 variables (removed 1526) and now considering 762/2289 (removed 1527) transitions.
[2024-05-31 21:57:21] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
// Phase 1: matrix 727 rows 462 cols
[2024-05-31 21:57:21] [INFO ] Computed 14 invariants in 32 ms
[2024-05-31 21:57:22] [INFO ] Implicit Places using invariants in 510 ms returned []
[2024-05-31 21:57:22] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-31 21:57:22] [INFO ] Invariant cache hit.
[2024-05-31 21:57:22] [INFO ] State equation strengthened by 73 read => feed constraints.
[2024-05-31 21:57:23] [INFO ] Implicit Places using invariants and state equation in 801 ms returned []
Implicit Place search using SMT with State Equation took 1338 ms to find 0 implicit places.
Running 761 sub problems to find dead transitions.
[2024-05-31 21:57:23] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-31 21:57:23] [INFO ] Invariant cache hit.
[2024-05-31 21:57:23] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 461/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 2 (OVERLAPS) 1/462 variables, 14/475 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 0 solved, 761 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1188/1189 variables, and 1010 constraints, problems are : Problem set: 0 solved, 761 unsolved in 30037 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 761/761 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 761 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/461 variables, 461/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/461 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 2 (OVERLAPS) 1/462 variables, 14/475 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 0 solved, 761 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1188 variables, 761/1771 constraints. Problems are: Problem set: 0 solved, 761 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/1189 variables, and 1771 constraints, problems are : Problem set: 0 solved, 761 unsolved in 30022 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 761/761 constraints, Known Traps: 0/0 constraints]
After SMT, in 61537ms problems are : Problem set: 0 solved, 761 unsolved
Search for dead transitions found 0 dead transitions in 61567ms
Starting structural reductions in LIVENESS mode, iteration 1 : 462/1988 places, 762/2289 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 63223 ms. Remains : 462/1988 places, 762/2289 transitions.
Discarding 435 transitions out of 762. Remains 327
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2272 resets) in 4673 ms. (8 steps per ms) remains 271/326 properties
BEST_FIRST walk for 404 steps (0 resets) in 12 ms. (31 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 271/271 properties
[2024-05-31 21:58:26] [INFO ] Flow matrix only has 727 transitions (discarded 35 similar events)
[2024-05-31 21:58:26] [INFO ] Invariant cache hit.
[2024-05-31 21:58:26] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/405 variables, 405/405 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/405 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (OVERLAPS) 57/462 variables, 14/419 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 57/476 constraints. Problems are: Problem set: 0 solved, 271 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 462/1189 variables, and 476 constraints, problems are : Problem set: 0 solved, 271 unsolved in 5023 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 0/462 constraints, ReadFeed: 0/73 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 271 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/405 variables, 405/405 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/405 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 2 (OVERLAPS) 57/462 variables, 14/419 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/462 variables, 57/476 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/462 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 5 (OVERLAPS) 726/1188 variables, 462/938 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1188 variables, 72/1010 constraints. Problems are: Problem set: 0 solved, 271 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1188 variables, 271/1281 constraints. Problems are: Problem set: 0 solved, 271 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1188/1189 variables, and 1281 constraints, problems are : Problem set: 0 solved, 271 unsolved in 5011 ms.
Refiners :[Domain max(s): 462/462 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 462/462 constraints, ReadFeed: 72/73 constraints, PredecessorRefiner: 271/271 constraints, Known Traps: 0/0 constraints]
After SMT, in 10274ms problems are : Problem set: 0 solved, 271 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 405 out of 462 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 462/462 places, 762/762 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 462 transition count 726
Free-agglomeration rule applied 19 times.
Iterating global reduction 1 with 19 rules applied. Total rules applied 55 place count 462 transition count 707
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 74 place count 443 transition count 707
Applied a total of 74 rules in 114 ms. Remains 443 /462 variables (removed 19) and now considering 707/762 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 443/462 places, 707/762 transitions.
RANDOM walk for 4000000 steps (248601 resets) in 68236 ms. (58 steps per ms) remains 32/271 properties
BEST_FIRST walk for 400004 steps (8 resets) in 587 ms. (680 steps per ms) remains 31/32 properties
BEST_FIRST walk for 400004 steps (116 resets) in 321 ms. (1242 steps per ms) remains 22/31 properties
BEST_FIRST walk for 400004 steps (118 resets) in 238 ms. (1673 steps per ms) remains 20/22 properties
BEST_FIRST walk for 400004 steps (117 resets) in 165 ms. (2409 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (119 resets) in 170 ms. (2339 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (118 resets) in 178 ms. (2234 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400003 steps (180 resets) in 191 ms. (2083 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (181 resets) in 211 ms. (1886 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (184 resets) in 185 ms. (2150 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 213 ms. (1869 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 192 ms. (2072 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (184 resets) in 199 ms. (2000 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 219 ms. (1818 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (179 resets) in 187 ms. (2127 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (184 resets) in 227 ms. (1754 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 182 ms. (2185 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 216 ms. (1843 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (184 resets) in 183 ms. (2173 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (183 resets) in 198 ms. (2010 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (182 resets) in 179 ms. (2222 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400004 steps (183 resets) in 184 ms. (2162 steps per ms) remains 20/20 properties
BEST_FIRST walk for 400003 steps (182 resets) in 222 ms. (1793 steps per ms) remains 20/20 properties
// Phase 1: matrix 707 rows 443 cols
[2024-05-31 21:58:55] [INFO ] Computed 14 invariants in 8 ms
[2024-05-31 21:58:55] [INFO ] State equation strengthened by 79 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 313/335 variables, 10/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/335 variables, 313/345 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 108/443 variables, 4/349 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/443 variables, 108/457 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/443 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 707/1150 variables, 443/900 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1150 variables, 79/979 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1150 variables, 0/979 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 11 (OVERLAPS) 0/1150 variables, 0/979 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1150/1150 variables, and 979 constraints, problems are : Problem set: 0 solved, 20 unsolved in 1923 ms.
Refiners :[Domain max(s): 443/443 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 443/443 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 313/335 variables, 10/32 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/335 variables, 313/345 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 108/443 variables, 4/349 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/443 variables, 108/457 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/443 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 707/1150 variables, 443/900 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1150 variables, 79/979 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1150 variables, 20/999 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1150 variables, 0/999 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 12 (OVERLAPS) 0/1150 variables, 0/999 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1150/1150 variables, and 999 constraints, problems are : Problem set: 0 solved, 20 unsolved in 9137 ms.
Refiners :[Domain max(s): 443/443 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 443/443 constraints, ReadFeed: 79/79 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 11127ms problems are : Problem set: 0 solved, 20 unsolved
Parikh walk visited 0 properties in 8479 ms.
Support contains 22 out of 443 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 443/443 places, 707/707 transitions.
Discarding 118 places :
Symmetric choice reduction at 0 with 118 rule applications. Total rules 118 place count 325 transition count 589
Iterating global reduction 0 with 118 rules applied. Total rules applied 236 place count 325 transition count 589
Ensure Unique test removed 114 transitions
Reduce isomorphic transitions removed 114 transitions.
Iterating post reduction 0 with 114 rules applied. Total rules applied 350 place count 325 transition count 475
Free-agglomeration rule applied 132 times with reduction of 4 identical transitions.
Iterating global reduction 1 with 132 rules applied. Total rules applied 482 place count 325 transition count 339
Reduce places removed 132 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 135 rules applied. Total rules applied 617 place count 193 transition count 336
Discarding 55 places :
Symmetric choice reduction at 2 with 55 rule applications. Total rules 672 place count 138 transition count 281
Iterating global reduction 2 with 55 rules applied. Total rules applied 727 place count 138 transition count 281
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 2 with 55 rules applied. Total rules applied 782 place count 138 transition count 226
Applied a total of 782 rules in 89 ms. Remains 138 /443 variables (removed 305) and now considering 226/707 (removed 481) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 138/443 places, 226/707 transitions.
RANDOM walk for 325147 steps (4106 resets) in 4369 ms. (74 steps per ms) remains 0/20 properties
Able to resolve query QuasiLiveness after proving 327 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 115507 ms.
ITS solved all properties within timeout

BK_STOP 1717192756856

--------------------
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="FlexibleBarrier-PT-12b"
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 FlexibleBarrier-PT-12b, 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 r498-tall-171640617000047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12b.tgz
mv FlexibleBarrier-PT-12b 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 ;