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.r168-tall-174881267200517.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)
..............................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is QuasiCertifProtocol-PT-32, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881267200517
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.4M
-rw-r--r-- 1 mcc users 155K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 920K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 128K 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 70K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 286K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 362K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.2M May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 36K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 217K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 942K 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 1748904521116

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=QuasiCertifProtocol-PT-32
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 22:48:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 22:48:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 22:48:42] [INFO ] Load time of PNML (sax parser for PT used): 159 ms
[2025-06-02 22:48:42] [INFO ] Transformed 3806 places.
[2025-06-02 22:48:42] [INFO ] Transformed 506 transitions.
[2025-06-02 22:48:42] [INFO ] Parsed PT model containing 3806 places and 506 transitions and 8173 arcs in 266 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3806/3806 places, 506/506 transitions.
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 0 with 70 rules applied. Total rules applied 70 place count 3736 transition count 506
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 74 place count 3734 transition count 504
Applied a total of 74 rules in 124 ms. Remains 3734 /3806 variables (removed 72) and now considering 504/506 (removed 2) transitions.
// Phase 1: matrix 504 rows 3734 cols
[2025-06-02 22:48:42] [INFO ] Computed 3232 invariants in 139 ms
[2025-06-02 22:48:50] [INFO ] Implicit Places using invariants in 7788 ms returned []
[2025-06-02 22:48:50] [INFO ] Invariant cache hit.
[2025-06-02 22:49:03] [INFO ] Implicit Places using invariants and state equation in 12473 ms returned [2279, 2280, 2281, 2282, 2283, 2284, 2285, 2286, 2291, 2292, 2295, 2296, 2297, 2298, 2299, 2300, 2301, 2302, 2303, 2304, 2305, 2306, 2307, 2308, 2309, 2310, 2319, 2320, 2321, 2322, 2323, 2324, 2325]
Discarding 33 places :
Implicit Place search using SMT with State Equation took 20295 ms to find 33 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 3701/3806 places, 504/506 transitions.
Applied a total of 0 rules in 32 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 20467 ms. Remains : 3701/3806 places, 504/506 transitions.
Discarding 71 transitions out of 504. Remains 433
Initial state reduction rules removed 34 formulas.
RANDOM walk for 40000 steps (1068 resets) in 3005 ms. (13 steps per ms) remains 333/399 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 333/333 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 333/333 properties
// Phase 1: matrix 504 rows 3701 cols
[2025-06-02 22:49:04] [INFO ] Computed 3200 invariants in 446 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3634/4205 variables, and 3168 constraints, problems are : Problem set: 0 solved, 333 unsolved in 5058 ms.
Refiners :[Generalized P Invariants (flows): 3168/3200 constraints, State Equation: 0/3701 constraints, PredecessorRefiner: 333/333 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3634/4205 variables, and 3168 constraints, problems are : Problem set: 0 solved, 333 unsolved in 5022 ms.
Refiners :[Generalized P Invariants (flows): 3168/3200 constraints, State Equation: 0/3701 constraints, PredecessorRefiner: 0/333 constraints, Known Traps: 0/0 constraints]
After SMT, in 11365ms problems are : Problem set: 0 solved, 333 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3634 out of 3701 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3701/3701 places, 504/504 transitions.
Applied a total of 0 rules in 54 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 3701/3701 places, 504/504 transitions.
RANDOM walk for 4000000 steps (107052 resets) in 84534 ms. (47 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 108 ms. (367 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 116 ms. (341 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 118 ms. (336 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 123 ms. (322 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 125 ms. (317 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 127 ms. (312 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 125 ms. (317 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (44 resets) in 120 ms. (330 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 96 ms. (412 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 82 ms. (481 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (40 resets) in 71 ms. (555 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 69 ms. (571 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 78 ms. (506 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 79 ms. (500 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 69 ms. (571 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 90 ms. (439 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (48 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (44 resets) in 92 ms. (430 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 131 ms. (303 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (39 resets) in 105 ms. (377 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 93 ms. (425 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 92 ms. (430 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 92 ms. (430 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (42 resets) in 93 ms. (425 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (47 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 97 ms. (408 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 82 ms. (481 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (40 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (44 resets) in 66 ms. (597 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 68 ms. (579 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 69 ms. (571 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (46 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 68 ms. (579 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 68 ms. (579 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (39 resets) in 68 ms. (579 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (49 resets) in 67 ms. (588 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 65 ms. (606 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (40 resets) in 69 ms. (571 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 68 ms. (579 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 69 ms. (571 steps per ms) remains 333/333 properties
Probabilistic random walk after 10000001 steps, saw 1084268 distinct states, run finished after 58879 ms. (steps per millisecond=169 ) properties seen :0
[2025-06-02 22:50:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3634 variables, 0/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 2 (OVERLAPS) 33/3667 variables, 32/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3667/4205 variables, and 3200 constraints, problems are : Problem set: 0 solved, 333 unsolved in 45021 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 0/3701 constraints, PredecessorRefiner: 333/333 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3634 variables, 0/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 2 (OVERLAPS) 33/3667 variables, 32/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3667 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 4 (OVERLAPS) 504/4171 variables, 3667/6867 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4171/4205 variables, and 7200 constraints, problems are : Problem set: 0 solved, 333 unsolved in 45226 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 3667/3701 constraints, PredecessorRefiner: 333/333 constraints, Known Traps: 0/0 constraints]
After SMT, in 90942ms problems are : Problem set: 0 solved, 333 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3634 out of 3701 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3701/3701 places, 504/504 transitions.
Applied a total of 0 rules in 30 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 3701/3701 places, 504/504 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3701/3701 places, 504/504 transitions.
Applied a total of 0 rules in 26 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
[2025-06-02 22:52:08] [INFO ] Invariant cache hit.
[2025-06-02 22:52:09] [INFO ] Implicit Places using invariants in 1062 ms returned []
[2025-06-02 22:52:09] [INFO ] Invariant cache hit.
[2025-06-02 22:52:12] [INFO ] Implicit Places using invariants and state equation in 2166 ms returned []
Implicit Place search using SMT with State Equation took 3229 ms to find 0 implicit places.
[2025-06-02 22:52:12] [INFO ] Redundant transitions in 59 ms returned []
Running 470 sub problems to find dead transitions.
[2025-06-02 22:52:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3700 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3700/4205 variables, and 3200 constraints, problems are : Problem set: 0 solved, 470 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 0/3701 constraints, PredecessorRefiner: 470/470 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 470 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3700 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3700 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
At refinement iteration 2 (OVERLAPS) 504/4204 variables, 3700/6900 constraints. Problems are: Problem set: 0 solved, 470 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4204 variables, 470/7370 constraints. Problems are: Problem set: 0 solved, 470 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4204/4205 variables, and 7370 constraints, problems are : Problem set: 0 solved, 470 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 3700/3701 constraints, PredecessorRefiner: 470/470 constraints, Known Traps: 0/0 constraints]
After SMT, in 60879ms problems are : Problem set: 0 solved, 470 unsolved
Search for dead transitions found 0 dead transitions in 60885ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64210 ms. Remains : 3701/3701 places, 504/504 transitions.
RANDOM walk for 4000000 steps (107084 resets) in 82597 ms. (48 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 85 ms. (465 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 119 ms. (333 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (42 resets) in 125 ms. (317 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (46 resets) in 120 ms. (330 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 122 ms. (325 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 123 ms. (322 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 123 ms. (322 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 80 ms. (493 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 107 ms. (370 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 94 ms. (421 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 94 ms. (421 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (47 resets) in 121 ms. (327 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 87 ms. (454 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 107 ms. (370 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (37 resets) in 108 ms. (367 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 86 ms. (459 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (54 resets) in 148 ms. (268 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (48 resets) in 126 ms. (314 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 161 ms. (246 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 149 ms. (266 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (40 resets) in 121 ms. (327 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 176 ms. (226 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 115 ms. (344 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (47 resets) in 152 ms. (261 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (45 resets) in 157 ms. (253 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (40 resets) in 136 ms. (292 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (43 resets) in 128 ms. (310 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (45 resets) in 121 ms. (327 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40002 steps (48 resets) in 166 ms. (239 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (38 resets) in 117 ms. (339 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (44 resets) in 152 ms. (261 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (41 resets) in 117 ms. (339 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (46 resets) in 123 ms. (322 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 83 ms. (476 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (45 resets) in 82 ms. (481 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (48 resets) in 76 ms. (519 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 72 ms. (548 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 94 ms. (421 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 95 ms. (416 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (44 resets) in 144 ms. (275 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 103 ms. (384 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (43 resets) in 126 ms. (314 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (44 resets) in 86 ms. (459 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (46 resets) in 84 ms. (470 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40003 steps (47 resets) in 92 ms. (430 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (39 resets) in 91 ms. (434 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (41 resets) in 93 ms. (425 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (48 resets) in 75 ms. (526 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (47 resets) in 96 ms. (412 steps per ms) remains 333/333 properties
BEST_FIRST walk for 40004 steps (47 resets) in 112 ms. (354 steps per ms) remains 333/333 properties
Probabilistic random walk after 10000001 steps, saw 1084268 distinct states, run finished after 68960 ms. (steps per millisecond=145 ) properties seen :0
[2025-06-02 22:54:45] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3634 variables, 0/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 2 (OVERLAPS) 33/3667 variables, 32/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3667 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 4 (OVERLAPS) 504/4171 variables, 3667/6867 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4171/4205 variables, and 6867 constraints, problems are : Problem set: 0 solved, 333 unsolved in 75021 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 3667/3701 constraints, PredecessorRefiner: 333/333 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3634 variables, 3168/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3634 variables, 0/3168 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 2 (OVERLAPS) 33/3667 variables, 32/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3667 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 4 (OVERLAPS) 504/4171 variables, 3667/6867 constraints. Problems are: Problem set: 0 solved, 333 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4171 variables, 333/7200 constraints. Problems are: Problem set: 0 solved, 333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4171/4205 variables, and 7200 constraints, problems are : Problem set: 0 solved, 333 unsolved in 75038 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 3667/3701 constraints, PredecessorRefiner: 333/333 constraints, Known Traps: 0/0 constraints]
After SMT, in 150742ms problems are : Problem set: 0 solved, 333 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3634 out of 3701 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3701/3701 places, 504/504 transitions.
Applied a total of 0 rules in 23 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 3701/3701 places, 504/504 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3701/3701 places, 504/504 transitions.
Applied a total of 0 rules in 21 ms. Remains 3701 /3701 variables (removed 0) and now considering 504/504 (removed 0) transitions.
[2025-06-02 22:57:16] [INFO ] Invariant cache hit.
[2025-06-02 22:57:17] [INFO ] Implicit Places using invariants in 1141 ms returned []
[2025-06-02 22:57:17] [INFO ] Invariant cache hit.
[2025-06-02 22:57:19] [INFO ] Implicit Places using invariants and state equation in 2132 ms returned []
Implicit Place search using SMT with State Equation took 3276 ms to find 0 implicit places.
[2025-06-02 22:57:19] [INFO ] Redundant transitions in 31 ms returned []
Running 470 sub problems to find dead transitions.
[2025-06-02 22:57:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3700 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3700/4205 variables, and 3200 constraints, problems are : Problem set: 0 solved, 470 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 0/3701 constraints, PredecessorRefiner: 470/470 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 470 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3700 variables, 3200/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3700 variables, 0/3200 constraints. Problems are: Problem set: 0 solved, 470 unsolved
At refinement iteration 2 (OVERLAPS) 504/4204 variables, 3700/6900 constraints. Problems are: Problem set: 0 solved, 470 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4204/4205 variables, and 7370 constraints, problems are : Problem set: 0 solved, 470 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 3200/3200 constraints, State Equation: 3700/3701 constraints, PredecessorRefiner: 470/470 constraints, Known Traps: 0/0 constraints]
After SMT, in 60806ms problems are : Problem set: 0 solved, 470 unsolved
Search for dead transitions found 0 dead transitions in 60811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64146 ms. Remains : 3701/3701 places, 504/504 transitions.
Unable to solve all queries for examination QuasiLiveness. Remains :333 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 333 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 578060 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running QuasiCertifProtocol-PT-32

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: 3806
TRANSITIONS: 506
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.042s, Sys 0.007s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.005s, 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: 641
MODEL NAME: /home/mcc/execution/model
3806 places, 506 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

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="QuasiCertifProtocol-PT-32"
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 QuasiCertifProtocol-PT-32, 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 r168-tall-174881267200517"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-PT-32.tgz
mv QuasiCertifProtocol-PT-32 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 ;