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-171640617000057.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-14b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r498-tall-171640617000057
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K 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 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:53 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 7.4K Apr 13 08:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Apr 13 08:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Apr 13 08:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Apr 13 08:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 726K 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 1717192669253

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-14b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:57:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 21:57:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:57:50] [INFO ] Load time of PNML (sax parser for PT used): 159 ms
[2024-05-31 21:57:50] [INFO ] Transformed 2678 places.
[2024-05-31 21:57:50] [INFO ] Transformed 3085 transitions.
[2024-05-31 21:57:50] [INFO ] Found NUPN structural information;
[2024-05-31 21:57:50] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 270 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2678/2678 places, 3085/3085 transitions.
Graph (trivial) has 2634 edges and 2678 vertex of which 86 / 2678 are part of one of the 14 SCC in 13 ms
Free SCC test removed 72 places
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 667 transitions
Trivial Post-agglo rules discarded 667 transitions
Performed 667 trivial Post agglomeration. Transition count delta: 667
Iterating post reduction 0 with 667 rules applied. Total rules applied 668 place count 2606 transition count 2345
Reduce places removed 667 places and 0 transitions.
Iterating post reduction 1 with 667 rules applied. Total rules applied 1335 place count 1939 transition count 2345
Performed 182 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 182 Pre rules applied. Total rules applied 1335 place count 1939 transition count 2163
Deduced a syphon composed of 182 places in 12 ms
Reduce places removed 182 places and 0 transitions.
Iterating global reduction 2 with 364 rules applied. Total rules applied 1699 place count 1757 transition count 2163
Performed 1135 Post agglomeration using F-continuation condition.Transition count delta: 1135
Deduced a syphon composed of 1135 places in 5 ms
Reduce places removed 1135 places and 0 transitions.
Iterating global reduction 2 with 2270 rules applied. Total rules applied 3969 place count 622 transition count 1028
Applied a total of 3969 rules in 417 ms. Remains 622 /2678 variables (removed 2056) and now considering 1028/3085 (removed 2057) transitions.
[2024-05-31 21:57:51] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
// Phase 1: matrix 987 rows 622 cols
[2024-05-31 21:57:51] [INFO ] Computed 16 invariants in 42 ms
[2024-05-31 21:57:51] [INFO ] Implicit Places using invariants in 625 ms returned []
[2024-05-31 21:57:51] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2024-05-31 21:57:51] [INFO ] Invariant cache hit.
[2024-05-31 21:57:52] [INFO ] State equation strengthened by 85 read => feed constraints.
[2024-05-31 21:57:52] [INFO ] Implicit Places using invariants and state equation in 1127 ms returned []
Implicit Place search using SMT with State Equation took 1781 ms to find 0 implicit places.
Running 1027 sub problems to find dead transitions.
[2024-05-31 21:57:53] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2024-05-31 21:57:53] [INFO ] Invariant cache hit.
[2024-05-31 21:57:53] [INFO ] State equation strengthened by 85 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/621 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 2 (OVERLAPS) 1/622 variables, 16/637 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/622 variables, 1/638 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
(s316 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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)
(s317 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 622/1609 variables, and 638 constraints, problems are : Problem set: 0 solved, 1027 unsolved in 30032 ms.
Refiners :[Domain max(s): 622/622 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 1027/1027 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1027 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/621 variables, 621/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/621 variables, 0/621 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 2 (OVERLAPS) 1/622 variables, 16/637 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/622 variables, 1/638 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/622 variables, 0/638 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 5 (OVERLAPS) 986/1608 variables, 622/1260 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1608 variables, 84/1344 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1608 variables, 1027/2371 constraints. Problems are: Problem set: 0 solved, 1027 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1608/1609 variables, and 2371 constraints, problems are : Problem set: 0 solved, 1027 unsolved in 30045 ms.
Refiners :[Domain max(s): 622/622 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 622/622 constraints, ReadFeed: 84/85 constraints, PredecessorRefiner: 1027/1027 constraints, Known Traps: 0/0 constraints]
After SMT, in 62514ms problems are : Problem set: 0 solved, 1027 unsolved
Search for dead transitions found 0 dead transitions in 62551ms
Starting structural reductions in LIVENESS mode, iteration 1 : 622/2678 places, 1028/3085 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 64866 ms. Remains : 622/2678 places, 1028/3085 transitions.
Discarding 591 transitions out of 1028. Remains 437
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2052 resets) in 7365 ms. (5 steps per ms) remains 373/436 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 373/373 properties
BEST_FIRST walk for 404 steps (0 resets) in 4 ms. (80 steps per ms) remains 373/373 properties
[2024-05-31 21:58:57] [INFO ] Flow matrix only has 987 transitions (discarded 41 similar events)
[2024-05-31 21:58:57] [INFO ] Invariant cache hit.
[2024-05-31 21:58:57] [INFO ] State equation strengthened by 85 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/557 variables, 557/557 constraints. Problems are: Problem set: 0 solved, 373 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 Real declared 557/1609 variables, and 557 constraints, problems are : Problem set: 0 solved, 373 unsolved in 5021 ms.
Refiners :[Domain max(s): 557/622 constraints, Positive P Invariants (semi-flows): 0/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 373/373 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 373 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/557 variables, 557/557 constraints. Problems are: Problem set: 0 solved, 373 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/557 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 373 unsolved
At refinement iteration 2 (OVERLAPS) 65/622 variables, 16/573 constraints. Problems are: Problem set: 0 solved, 373 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/622 variables, 65/638 constraints. Problems are: Problem set: 0 solved, 373 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 622/1609 variables, and 638 constraints, problems are : Problem set: 0 solved, 373 unsolved in 5034 ms.
Refiners :[Domain max(s): 622/622 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 0/622 constraints, ReadFeed: 0/85 constraints, PredecessorRefiner: 0/373 constraints, Known Traps: 0/0 constraints]
After SMT, in 10413ms problems are : Problem set: 0 solved, 373 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 557 out of 622 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 622/622 places, 1028/1028 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 42 place count 622 transition count 986
Free-agglomeration rule applied 20 times.
Iterating global reduction 1 with 20 rules applied. Total rules applied 62 place count 622 transition count 966
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 82 place count 602 transition count 966
Applied a total of 82 rules in 172 ms. Remains 602 /622 variables (removed 20) and now considering 966/1028 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 602/622 places, 966/1028 transitions.
RANDOM walk for 2502821 steps (138486 resets) in 120004 ms. (20 steps per ms) remains 117/373 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 116/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 115/116 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 114/115 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 113/114 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 112/113 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 111/112 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 110/111 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 109/110 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 108/109 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 107/108 properties
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 106/107 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 105/106 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 104/105 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 103/104 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 102/103 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 101/102 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 100/101 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 99/100 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 98/99 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 97/98 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 96/97 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 95/96 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 94/95 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 93/94 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 92/93 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 91/92 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 90/91 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 89/90 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 88/89 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 87/88 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 86/87 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 85/86 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 84/85 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 83/84 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 82/83 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 81/82 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 80/81 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 79/80 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 78/79 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 77/78 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 76/77 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 75/76 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 74/75 properties
BEST_FIRST walk for 40003 steps (8 resets) in 22 ms. (1739 steps per ms) remains 73/74 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 72/73 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 71/72 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 70/71 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 69/70 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 68/69 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 67/68 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 66/67 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 65/66 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 64/65 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 63/64 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 62/63 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 61/62 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 60/61 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 59/60 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 58/59 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 57/58 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 56/57 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 55/56 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 54/55 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 53/54 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 52/53 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 51/52 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 50/51 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 49/50 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 48/49 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 47/48 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 46/47 properties
BEST_FIRST walk for 40003 steps (8 resets) in 21 ms. (1818 steps per ms) remains 45/46 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 44/45 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 43/44 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 42/43 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 41/42 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 40/41 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 39/40 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 26 ms. (1481 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 24 ms. (1600 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 26 ms. (1481 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 24 ms. (1600 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 29 ms. (1333 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 23 ms. (1666 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 24 ms. (1600 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (12 resets) in 26 ms. (1481 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 23 ms. (1666 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 35 ms. (1111 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 30 ms. (1290 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 23 ms. (1666 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 24 ms. (1600 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 20 ms. (1904 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 25 ms. (1538 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 26 ms. (1481 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 26 ms. (1481 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (12 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (12 resets) in 23 ms. (1666 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (11 resets) in 22 ms. (1739 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 20 ms. (1904 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (10 resets) in 21 ms. (1818 steps per ms) remains 39/39 properties
BEST_FIRST walk for 40004 steps (9 resets) in 20 ms. (1904 steps per ms) remains 39/39 properties
// Phase 1: matrix 966 rows 602 cols
[2024-05-31 21:59:39] [INFO ] Computed 16 invariants in 16 ms
[2024-05-31 21:59:39] [INFO ] State equation strengthened by 90 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (OVERLAPS) 561/602 variables, 16/57 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/602 variables, 561/618 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/602 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 966/1568 variables, 602/1220 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1568 variables, 90/1310 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1568 variables, 0/1310 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/1568 variables, 0/1310 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1568/1568 variables, and 1310 constraints, problems are : Problem set: 0 solved, 39 unsolved in 3934 ms.
Refiners :[Domain max(s): 602/602 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 602/602 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (OVERLAPS) 561/602 variables, 16/57 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/602 variables, 561/618 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/602 variables, 0/618 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (OVERLAPS) 966/1568 variables, 602/1220 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1568 variables, 90/1310 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1568 variables, 39/1349 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1568 variables, 0/1349 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 9 (OVERLAPS) 0/1568 variables, 0/1349 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1568/1568 variables, and 1349 constraints, problems are : Problem set: 0 solved, 39 unsolved in 43480 ms.
Refiners :[Domain max(s): 602/602 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 602/602 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 0/0 constraints]
After SMT, in 47539ms problems are : Problem set: 0 solved, 39 unsolved
Parikh walk visited 25 properties in 23803 ms.
Support contains 16 out of 602 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 602/602 places, 966/966 transitions.
Discarding 172 places :
Symmetric choice reduction at 0 with 172 rule applications. Total rules 172 place count 430 transition count 794
Iterating global reduction 0 with 172 rules applied. Total rules applied 344 place count 430 transition count 794
Ensure Unique test removed 163 transitions
Reduce isomorphic transitions removed 163 transitions.
Iterating post reduction 0 with 163 rules applied. Total rules applied 507 place count 430 transition count 631
Free-agglomeration rule applied 182 times with reduction of 4 identical transitions.
Iterating global reduction 1 with 182 rules applied. Total rules applied 689 place count 430 transition count 445
Reduce places removed 182 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 184 rules applied. Total rules applied 873 place count 248 transition count 443
Discarding 78 places :
Symmetric choice reduction at 2 with 78 rule applications. Total rules 951 place count 170 transition count 365
Iterating global reduction 2 with 78 rules applied. Total rules applied 1029 place count 170 transition count 365
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 2 with 78 rules applied. Total rules applied 1107 place count 170 transition count 287
Applied a total of 1107 rules in 144 ms. Remains 170 /602 variables (removed 432) and now considering 287/966 (removed 679) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 170/602 places, 287/966 transitions.
RANDOM walk for 298018 steps (3241 resets) in 3238 ms. (92 steps per ms) remains 0/14 properties
Able to resolve query QuasiLiveness after proving 437 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 181770 ms.
ITS solved all properties within timeout

BK_STOP 1717192852189

--------------------
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-14b"
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-14b, 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-171640617000057"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b 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 ;