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Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r122-smll-171624283500307
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for DNAwalker-PT-16redondantChoiceR

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
4134.932 546089.00 909608.00 1581.60 F normal

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.r122-smll-171624283500307.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 greatspnxred
Input is DNAwalker-PT-16redondantChoiceR, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r122-smll-171624283500307
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K 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 45K 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 3.7K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 19 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 13 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 13 14:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Apr 13 14:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 19 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 211K 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 1716336812392

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 00:13:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-22 00:13:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 00:13:34] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2024-05-22 00:13:34] [INFO ] Transformed 43 places.
[2024-05-22 00:13:34] [INFO ] Transformed 490 transitions.
[2024-05-22 00:13:34] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 448 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 17 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Running 466 sub problems to find dead transitions.
[2024-05-22 00:13:34] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2024-05-22 00:13:34] [INFO ] Computed 0 invariants in 25 ms
[2024-05-22 00:13:35] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 531/532 variables, and 203 constraints, problems are : Problem set: 0 solved, 466 unsolved in 20087 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 466/466 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 466 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 466/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/511 variables, 0/659 constraints. Problems are: Problem set: 0 solved, 466 unsolved
SMT process timed out in 41399ms, After SMT, problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 41449ms
[2024-05-22 00:14:16] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2024-05-22 00:14:16] [INFO ] Invariant cache hit.
[2024-05-22 00:14:16] [INFO ] Implicit Places using invariants in 110 ms returned []
[2024-05-22 00:14:16] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2024-05-22 00:14:16] [INFO ] Invariant cache hit.
[2024-05-22 00:14:16] [INFO ] State equation strengthened by 161 read => feed constraints.
[2024-05-22 00:14:17] [INFO ] Implicit Places using invariants and state equation in 1514 ms returned []
Implicit Place search using SMT with State Equation took 1640 ms to find 0 implicit places.
Running 466 sub problems to find dead transitions.
[2024-05-22 00:14:18] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2024-05-22 00:14:18] [INFO ] Invariant cache hit.
[2024-05-22 00:14:18] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 1 (OVERLAPS) 478/511 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/511 variables, 160/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/511 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 4 (OVERLAPS) 20/531 variables, 10/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 466 unsolved
SMT process timed out in 30789ms, After SMT, problems are : Problem set: 0 solved, 466 unsolved
Search for dead transitions found 0 dead transitions in 30803ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 74004 ms. Remains : 43/43 places, 490/490 transitions.
Discarding 10 transitions out of 490. Remains 480
Initial state reduction rules removed 14 formulas.
RANDOM walk for 40000 steps (1518 resets) in 3258 ms. (12 steps per ms) remains 5/466 properties
BEST_FIRST walk for 40003 steps (125 resets) in 164 ms. (242 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (125 resets) in 109 ms. (363 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (119 resets) in 94 ms. (421 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (116 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (116 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
[2024-05-22 00:14:49] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2024-05-22 00:14:49] [INFO ] Invariant cache hit.
[2024-05-22 00:14:49] [INFO ] State equation strengthened by 161 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 117/519 variables, 16/124 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/519 variables, 72/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 12/531 variables, 7/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 1/532 variables, 1/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/532 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 532/532 variables, and 204 constraints, problems are : Problem set: 0 solved, 5 unsolved in 889 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 161/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 289/402 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/402 variables, 72/108 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/402 variables, 5/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/402 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 117/519 variables, 16/129 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/519 variables, 72/201 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/519 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 531/532 variables, and 208 constraints, problems are : Problem set: 0 solved, 5 unsolved in 5007 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 160/161 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 5913ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 41 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 41 transition count 466
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 1 with 9 rules applied. Total rules applied 32 place count 32 transition count 457
Applied a total of 32 rules in 76 ms. Remains 32 /43 variables (removed 11) and now considering 457/490 (removed 33) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 457 rows 32 cols
[2024-05-22 00:14:55] [INFO ] Computed 0 invariants in 8 ms
[2024-05-22 00:14:55] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20016 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20020 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 40635ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 40642ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40720 ms. Remains : 32/43 places, 457/490 transitions.
RANDOM walk for 4000000 steps (139332 resets) in 22181 ms. (180 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15548 resets) in 4523 ms. (884 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15557 resets) in 6790 ms. (589 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15446 resets) in 6746 ms. (592 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15710 resets) in 4237 ms. (943 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15408 resets) in 4242 ms. (942 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 6903597 steps, run timeout after 42001 ms. (steps per millisecond=164 ) properties seen :0 out of 5
Probabilistic random walk after 6903597 steps, saw 1814684 distinct states, run finished after 42009 ms. (steps per millisecond=164 ) properties seen :0
[2024-05-22 00:16:32] [INFO ] Invariant cache hit.
[2024-05-22 00:16:32] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 92/489 variables, 12/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 5 unsolved in 452 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 53 constraints, problems are : Problem set: 0 solved, 5 unsolved in 45006 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 45474ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 12 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2024-05-22 00:17:18] [INFO ] Invariant cache hit.
[2024-05-22 00:17:18] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-22 00:17:18] [INFO ] Invariant cache hit.
[2024-05-22 00:17:18] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-05-22 00:17:19] [INFO ] Implicit Places using invariants and state equation in 972 ms returned []
Implicit Place search using SMT with State Equation took 1037 ms to find 0 implicit places.
[2024-05-22 00:17:19] [INFO ] Redundant transitions in 33 ms returned []
Running 452 sub problems to find dead transitions.
[2024-05-22 00:17:19] [INFO ] Invariant cache hit.
[2024-05-22 00:17:19] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 24873 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30025 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 55546ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 55552ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56639 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 108 steps (1 resets) in 13 ms. (7 steps per ms) remains 0/6 properties
RANDOM walk for 4000000 steps (139358 resets) in 22373 ms. (178 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (15550 resets) in 4104 ms. (974 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15557 resets) in 4128 ms. (968 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15431 resets) in 4163 ms. (960 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15697 resets) in 4190 ms. (954 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (15411 resets) in 4194 ms. (953 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 5297224 steps, run timeout after 33001 ms. (steps per millisecond=160 ) properties seen :0 out of 5
Probabilistic random walk after 5297224 steps, saw 1391639 distinct states, run finished after 33002 ms. (steps per millisecond=160 ) properties seen :0
[2024-05-22 00:18:59] [INFO ] Invariant cache hit.
[2024-05-22 00:18:59] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 92/489 variables, 12/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 5 unsolved in 452 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 107/113 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 16/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 284/397 variables, 14/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/397 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 53 constraints, problems are : Problem set: 0 solved, 5 unsolved in 75006 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 75469ms problems are : Problem set: 0 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2024-05-22 00:20:14] [INFO ] Invariant cache hit.
[2024-05-22 00:20:14] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-22 00:20:14] [INFO ] Invariant cache hit.
[2024-05-22 00:20:14] [INFO ] State equation strengthened by 16 read => feed constraints.
[2024-05-22 00:20:15] [INFO ] Implicit Places using invariants and state equation in 783 ms returned []
Implicit Place search using SMT with State Equation took 852 ms to find 0 implicit places.
[2024-05-22 00:20:15] [INFO ] Redundant transitions in 10 ms returned []
Running 452 sub problems to find dead transitions.
[2024-05-22 00:20:15] [INFO ] Invariant cache hit.
[2024-05-22 00:20:15] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 452 unsolved in 23619 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 16/47 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 452/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 500 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30016 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints]
After SMT, in 53993ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 53998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54878 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 188 steps (4 resets) in 7 ms. (23 steps per ms) remains 0/6 properties
Unable to solve all queries for examination QuasiLiveness. Remains :5 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 5 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 455366 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DNAwalker-PT-16redondantChoiceR

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 43
TRANSITIONS: 490
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.011s, Sys 0.002s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.002s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 605
MODEL NAME: /home/mcc/execution/model
43 places, 490 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA QuasiLiveness FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716337358481

--------------------
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="DNAwalker-PT-16redondantChoiceR"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is DNAwalker-PT-16redondantChoiceR, 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 r122-smll-171624283500307"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR 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 ;