Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r084-tall-174860080300282.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is DNAwalker-PT-18lozangeBlock, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r084-tall-174860080300282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 15 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M May 29 14:32 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 1748735950917

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-18lozangeBlock
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-31 23:59:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-31 23:59:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 23:59:12] [INFO ] Load time of PNML (sax parser for PT used): 190 ms
[2025-05-31 23:59:12] [INFO ] Transformed 164 places.
[2025-05-31 23:59:12] [INFO ] Transformed 3697 transitions.
[2025-05-31 23:59:12] [INFO ] Parsed PT model containing 164 places and 3697 transitions and 10898 arcs in 328 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 164/164 places, 3697/3697 transitions.
Applied a total of 0 rules in 40 ms. Remains 164 /164 variables (removed 0) and now considering 3697/3697 (removed 0) transitions.
Running 3563 sub problems to find dead transitions.
// Phase 1: matrix 3697 rows 164 cols
[2025-05-31 23:59:12] [INFO ] Computed 0 invariants in 50 ms
[2025-05-31 23:59:13] [INFO ] State equation strengthened by 2651 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
At refinement iteration 1 (OVERLAPS) 3632/3732 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
SMT process timed out in 28897ms, After SMT, problems are : Problem set: 0 solved, 3563 unsolved
Search for dead transitions found 0 dead transitions in 28981ms
[2025-05-31 23:59:41] [INFO ] Invariant cache hit.
[2025-05-31 23:59:42] [INFO ] Implicit Places using invariants in 260 ms returned []
[2025-05-31 23:59:42] [INFO ] Invariant cache hit.
[2025-05-31 23:59:42] [INFO ] State equation strengthened by 2651 read => feed constraints.
[2025-06-01 00:00:13] [INFO ] Performed 11/164 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 00:00:46] [INFO ] Performed 43/164 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2025-06-01 00:01:21] [INFO ] Performed 65/164 implicitness test of which 0 returned IMPLICIT in 98 seconds.
[2025-06-01 00:01:52] [INFO ] Performed 83/164 implicitness test of which 0 returned IMPLICIT in 129 seconds.
[2025-06-01 00:01:52] [INFO ] Timeout of Implicit test with SMT after 129 seconds.
[2025-06-01 00:01:52] [INFO ] Implicit Places using invariants and state equation in 130485 ms returned []
Implicit Place search using SMT with State Equation took 130750 ms to find 0 implicit places.
Running 3563 sub problems to find dead transitions.
[2025-06-01 00:01:52] [INFO ] Invariant cache hit.
[2025-06-01 00:01:52] [INFO ] State equation strengthened by 2651 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
At refinement iteration 1 (OVERLAPS) 3632/3732 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3732 variables, 2650/2750 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3732/3861 variables, and 2750 constraints, problems are : Problem set: 0 solved, 3563 unsolved in 30057 ms.
Refiners :[State Equation: 100/164 constraints, ReadFeed: 2650/2651 constraints, PredecessorRefiner: 3563/3563 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3563 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
At refinement iteration 1 (OVERLAPS) 3632/3732 variables, 100/100 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3732 variables, 2650/2750 constraints. Problems are: Problem set: 0 solved, 3563 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3732/3861 variables, and 6313 constraints, problems are : Problem set: 0 solved, 3563 unsolved in 31431 ms.
Refiners :[State Equation: 100/164 constraints, ReadFeed: 2650/2651 constraints, PredecessorRefiner: 3563/3563 constraints, Known Traps: 0/0 constraints]
After SMT, in 69767ms problems are : Problem set: 0 solved, 3563 unsolved
Search for dead transitions found 0 dead transitions in 69798ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 229661 ms. Remains : 164/164 places, 3697/3697 transitions.
Discarding 64 transitions out of 3697. Remains 3633
Initial state reduction rules removed 70 formulas.
RANDOM walk for 40000 steps (382 resets) in 3664 ms. (10 steps per ms) remains 22/3563 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
[2025-06-01 00:03:03] [INFO ] Invariant cache hit.
[2025-06-01 00:03:03] [INFO ] State equation strengthened by 2651 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2256/3589 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3589/3861 variables, and 2697 constraints, problems are : Problem set: 0 solved, 22 unsolved in 5017 ms.
Refiners :[State Equation: 93/164 constraints, ReadFeed: 2604/2651 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2256/3589 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3589/3861 variables, and 2697 constraints, problems are : Problem set: 0 solved, 22 unsolved in 5010 ms.
Refiners :[State Equation: 93/164 constraints, ReadFeed: 2604/2651 constraints, PredecessorRefiner: 0/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 10167ms problems are : Problem set: 0 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 3697/3697 transitions.
Graph (complete) has 3632 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 0 with 86 rules applied. Total rules applied 87 place count 163 transition count 3610
Reduce places removed 48 places and 48 transitions.
Iterating global reduction 1 with 48 rules applied. Total rules applied 135 place count 115 transition count 3562
Applied a total of 135 rules in 210 ms. Remains 115 /164 variables (removed 49) and now considering 3562/3697 (removed 135) transitions.
Running 3540 sub problems to find dead transitions.
// Phase 1: matrix 3562 rows 115 cols
[2025-06-01 00:03:14] [INFO ] Computed 0 invariants in 19 ms
[2025-06-01 00:03:14] [INFO ] State equation strengthened by 684 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 1 (OVERLAPS) 3562/3661 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
SMT process timed out in 28031ms, After SMT, problems are : Problem set: 0 solved, 3540 unsolved
Search for dead transitions found 0 dead transitions in 28063ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28286 ms. Remains : 115/164 places, 3562/3697 transitions.
RANDOM walk for 4000000 steps (37838 resets) in 67191 ms. (59 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (162 resets) in 985 ms. (405 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (163 resets) in 1003 ms. (398 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (167 resets) in 1010 ms. (395 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (170 resets) in 766 ms. (521 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (164 resets) in 740 ms. (539 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (166 resets) in 1053 ms. (379 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (168 resets) in 733 ms. (544 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (172 resets) in 736 ms. (542 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (173 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (167 resets) in 732 ms. (545 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (168 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (171 resets) in 735 ms. (543 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (173 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (176 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (170 resets) in 735 ms. (543 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (171 resets) in 1031 ms. (387 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (172 resets) in 736 ms. (542 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (176 resets) in 737 ms. (542 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (176 resets) in 735 ms. (543 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (173 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (176 resets) in 737 ms. (542 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (178 resets) in 739 ms. (540 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 7299726 steps, run timeout after 63001 ms. (steps per millisecond=115 ) properties seen :0 out of 22
Probabilistic random walk after 7299726 steps, saw 774011 distinct states, run finished after 63005 ms. (steps per millisecond=115 ) properties seen :0
[2025-06-01 00:05:07] [INFO ] Invariant cache hit.
[2025-06-01 00:05:07] [INFO ] State equation strengthened by 684 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2178/3511 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3511 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 166/3677 variables, 22/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3677 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/3677 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3677/3677 variables, and 799 constraints, problems are : Problem set: 0 solved, 22 unsolved in 20821 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2178/3511 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3511 variables, 22/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3511 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3677/3677 variables, and 821 constraints, problems are : Problem set: 0 solved, 22 unsolved in 45015 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 65893ms problems are : Problem set: 0 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 3562/3562 transitions.
Applied a total of 0 rules in 48 ms. Remains 115 /115 variables (removed 0) and now considering 3562/3562 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 115/115 places, 3562/3562 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 3562/3562 transitions.
Applied a total of 0 rules in 61 ms. Remains 115 /115 variables (removed 0) and now considering 3562/3562 (removed 0) transitions.
[2025-06-01 00:06:13] [INFO ] Invariant cache hit.
[2025-06-01 00:06:13] [INFO ] Implicit Places using invariants in 183 ms returned []
[2025-06-01 00:06:13] [INFO ] Invariant cache hit.
[2025-06-01 00:06:13] [INFO ] State equation strengthened by 684 read => feed constraints.
[2025-06-01 00:06:44] [INFO ] Performed 79/115 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 00:06:48] [INFO ] Implicit Places using invariants and state equation in 35183 ms returned []
Implicit Place search using SMT with State Equation took 35369 ms to find 0 implicit places.
[2025-06-01 00:06:48] [INFO ] Redundant transitions in 183 ms returned []
Running 3540 sub problems to find dead transitions.
[2025-06-01 00:06:48] [INFO ] Invariant cache hit.
[2025-06-01 00:06:48] [INFO ] State equation strengthened by 684 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 1 (OVERLAPS) 3562/3661 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3661 variables, 684/783 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3661/3677 variables, and 783 constraints, problems are : Problem set: 0 solved, 3540 unsolved in 30054 ms.
Refiners :[State Equation: 99/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 3540/3540 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3540 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 1 (OVERLAPS) 3562/3661 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3661/3677 variables, and 783 constraints, problems are : Problem set: 0 solved, 3540 unsolved in 30053 ms.
Refiners :[State Equation: 99/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 0/3540 constraints, Known Traps: 0/0 constraints]
After SMT, in 68008ms problems are : Problem set: 0 solved, 3540 unsolved
Search for dead transitions found 0 dead transitions in 68037ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103673 ms. Remains : 115/115 places, 3562/3562 transitions.
RANDOM walk for 882 steps (5 resets) in 72 ms. (12 steps per ms) remains 0/23 properties
RANDOM walk for 4000000 steps (37839 resets) in 70252 ms. (56 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (162 resets) in 801 ms. (498 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (164 resets) in 760 ms. (525 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (167 resets) in 746 ms. (535 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (169 resets) in 759 ms. (526 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (163 resets) in 789 ms. (506 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (166 resets) in 794 ms. (503 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (168 resets) in 789 ms. (506 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (172 resets) in 809 ms. (493 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (173 resets) in 794 ms. (503 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (167 resets) in 792 ms. (504 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (167 resets) in 790 ms. (505 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (171 resets) in 788 ms. (506 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (173 resets) in 788 ms. (506 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (176 resets) in 790 ms. (505 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (170 resets) in 842 ms. (474 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (170 resets) in 796 ms. (501 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (172 resets) in 799 ms. (500 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (175 resets) in 796 ms. (501 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (178 resets) in 797 ms. (501 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (174 resets) in 781 ms. (511 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (176 resets) in 826 ms. (483 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (179 resets) in 793 ms. (503 steps per ms) remains 22/22 properties
Interrupted probabilistic random walk after 7403525 steps, run timeout after 66001 ms. (steps per millisecond=112 ) properties seen :0 out of 22
Probabilistic random walk after 7403525 steps, saw 786503 distinct states, run finished after 66003 ms. (steps per millisecond=112 ) properties seen :0
[2025-06-01 00:09:25] [INFO ] Invariant cache hit.
[2025-06-01 00:09:25] [INFO ] State equation strengthened by 684 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2178/3511 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3511 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (OVERLAPS) 166/3677 variables, 22/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3677 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 8 (OVERLAPS) 0/3677 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3677/3677 variables, and 799 constraints, problems are : Problem set: 0 solved, 22 unsolved in 20538 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 1310/1333 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1333 variables, 684/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1333 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 4 (OVERLAPS) 2178/3511 variables, 70/777 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3511 variables, 22/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3511 variables, 0/799 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3677/3677 variables, and 821 constraints, problems are : Problem set: 0 solved, 22 unsolved in 75027 ms.
Refiners :[State Equation: 115/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 0/0 constraints]
After SMT, in 95626ms problems are : Problem set: 0 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 23 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 3562/3562 transitions.
Applied a total of 0 rules in 49 ms. Remains 115 /115 variables (removed 0) and now considering 3562/3562 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 115/115 places, 3562/3562 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 3562/3562 transitions.
Applied a total of 0 rules in 36 ms. Remains 115 /115 variables (removed 0) and now considering 3562/3562 (removed 0) transitions.
[2025-06-01 00:11:01] [INFO ] Invariant cache hit.
[2025-06-01 00:11:01] [INFO ] Implicit Places using invariants in 179 ms returned []
[2025-06-01 00:11:01] [INFO ] Invariant cache hit.
[2025-06-01 00:11:01] [INFO ] State equation strengthened by 684 read => feed constraints.
[2025-06-01 00:11:32] [INFO ] Performed 79/115 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-01 00:11:36] [INFO ] Implicit Places using invariants and state equation in 35266 ms returned []
Implicit Place search using SMT with State Equation took 35447 ms to find 0 implicit places.
[2025-06-01 00:11:36] [INFO ] Redundant transitions in 177 ms returned []
Running 3540 sub problems to find dead transitions.
[2025-06-01 00:11:36] [INFO ] Invariant cache hit.
[2025-06-01 00:11:36] [INFO ] State equation strengthened by 684 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 1 (OVERLAPS) 3562/3661 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3661 variables, 684/783 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3661/3677 variables, and 783 constraints, problems are : Problem set: 0 solved, 3540 unsolved in 30055 ms.
Refiners :[State Equation: 99/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 3540/3540 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3540 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
At refinement iteration 1 (OVERLAPS) 3562/3661 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3540 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3661/3677 variables, and 783 constraints, problems are : Problem set: 0 solved, 3540 unsolved in 30060 ms.
Refiners :[State Equation: 99/115 constraints, ReadFeed: 684/684 constraints, PredecessorRefiner: 0/3540 constraints, Known Traps: 0/0 constraints]
After SMT, in 67975ms problems are : Problem set: 0 solved, 3540 unsolved
Search for dead transitions found 0 dead transitions in 68004ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103684 ms. Remains : 115/115 places, 3562/3562 transitions.
RANDOM walk for 704 steps (3 resets) in 23 ms. (29 steps per ms) remains 0/23 properties
Unable to solve all queries for examination QuasiLiveness. Remains :22 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 22 properties from file /home/mcc/execution/QuasiLiveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 812423 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running DNAwalker-PT-18lozangeBlock

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: 164
TRANSITIONS: 3697
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.063s, Sys 0.003s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.009s, 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: 676
MODEL NAME: /home/mcc/execution/model
164 places, 3697 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.

BK_TIME_CONFINEMENT_REACHED

--------------------
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-18lozangeBlock"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is DNAwalker-PT-18lozangeBlock, 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 r084-tall-174860080300282"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-18lozangeBlock.tgz
mv DNAwalker-PT-18lozangeBlock 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.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 ;