About the Execution of 2024-gold for QuasiCertifProtocol-PT-28
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15690.450 | 1800000.00 | 3964318.00 | 2426.60 | [undef] | Time out reached |
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-174881267200512.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 QuasiCertifProtocol-PT-28, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-174881267200512
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 135K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 817K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 109K 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 21K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 36K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 127K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 750K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 7.9K 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 749K 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 1748904416077
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-28
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 22:46:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-02 22:46:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 22:46:57] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2025-06-02 22:46:57] [INFO ] Transformed 2998 places.
[2025-06-02 22:46:57] [INFO ] Transformed 446 transitions.
[2025-06-02 22:46:57] [INFO ] Parsed PT model containing 2998 places and 446 transitions and 6489 arcs in 250 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2998/2998 places, 446/446 transitions.
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 0 with 62 rules applied. Total rules applied 62 place count 2936 transition count 446
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 66 place count 2934 transition count 444
Applied a total of 66 rules in 109 ms. Remains 2934 /2998 variables (removed 64) and now considering 444/446 (removed 2) transitions.
// Phase 1: matrix 444 rows 2934 cols
[2025-06-02 22:46:57] [INFO ] Computed 2492 invariants in 114 ms
[2025-06-02 22:47:02] [INFO ] Implicit Places using invariants in 4823 ms returned []
[2025-06-02 22:47:02] [INFO ] Invariant cache hit.
[2025-06-02 22:47:12] [INFO ] Implicit Places using invariants and state equation in 9641 ms returned [1967, 1968, 1970, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010]
Discarding 29 places :
Implicit Place search using SMT with State Equation took 14504 ms to find 29 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2905/2998 places, 444/446 transitions.
Applied a total of 0 rules in 34 ms. Remains 2905 /2905 variables (removed 0) and now considering 444/444 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 14666 ms. Remains : 2905/2998 places, 444/446 transitions.
Discarding 63 transitions out of 444. Remains 381
Initial state reduction rules removed 30 formulas.
RANDOM walk for 40000 steps (1206 resets) in 2725 ms. (14 steps per ms) remains 293/351 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 293/293 properties
// Phase 1: matrix 444 rows 2905 cols
[2025-06-02 22:47:13] [INFO ] Computed 2464 invariants in 315 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2846 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 293 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2846/3349 variables, and 2436 constraints, problems are : Problem set: 0 solved, 293 unsolved in 5034 ms.
Refiners :[Generalized P Invariants (flows): 2436/2464 constraints, State Equation: 0/2905 constraints, PredecessorRefiner: 293/293 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 293 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2846 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 293 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 2846/3349 variables, and 2436 constraints, problems are : Problem set: 0 solved, 293 unsolved in 5020 ms.
Refiners :[Generalized P Invariants (flows): 2436/2464 constraints, State Equation: 0/2905 constraints, PredecessorRefiner: 0/293 constraints, Known Traps: 0/0 constraints]
After SMT, in 11106ms problems are : Problem set: 0 solved, 293 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2846 out of 2905 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2905/2905 places, 444/444 transitions.
Applied a total of 0 rules in 51 ms. Remains 2905 /2905 variables (removed 0) and now considering 444/444 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 2905/2905 places, 444/444 transitions.
RANDOM walk for 4000000 steps (121013 resets) in 73292 ms. (54 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 116 ms. (341 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (61 resets) in 116 ms. (341 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 125 ms. (317 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (55 resets) in 108 ms. (367 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 116 ms. (341 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 109 ms. (363 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 113 ms. (350 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 96 ms. (412 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 100 ms. (396 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (53 resets) in 109 ms. (363 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (53 resets) in 96 ms. (412 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 94 ms. (421 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 74 ms. (533 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 70 ms. (563 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (60 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40002 steps (58 resets) in 68 ms. (579 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (62 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (63 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (60 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (59 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (52 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (51 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (57 resets) in 111 ms. (357 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (60 resets) in 98 ms. (404 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (61 resets) in 86 ms. (459 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 89 ms. (444 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 85 ms. (465 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (61 resets) in 93 ms. (425 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (60 resets) in 108 ms. (367 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 90 ms. (439 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (52 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 86 ms. (459 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (53 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
Probabilistic random walk after 10000001 steps, saw 1170366 distinct states, run finished after 52852 ms. (steps per millisecond=189 ) properties seen :0
[2025-06-02 22:48:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2846 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2846 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 29/2875 variables, 28/2464 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2875 variables, 0/2464 constraints. Problems are: Problem set: 0 solved, 293 unsolved
SMT process timed out in 45566ms, After SMT, problems are : Problem set: 0 solved, 293 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2846 out of 2905 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2905/2905 places, 444/444 transitions.
Applied a total of 0 rules in 33 ms. Remains 2905 /2905 variables (removed 0) and now considering 444/444 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 2905/2905 places, 444/444 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2905/2905 places, 444/444 transitions.
Applied a total of 0 rules in 22 ms. Remains 2905 /2905 variables (removed 0) and now considering 444/444 (removed 0) transitions.
[2025-06-02 22:49:22] [INFO ] Invariant cache hit.
[2025-06-02 22:49:23] [INFO ] Implicit Places using invariants in 775 ms returned []
[2025-06-02 22:49:23] [INFO ] Invariant cache hit.
[2025-06-02 22:49:25] [INFO ] Implicit Places using invariants and state equation in 1646 ms returned []
Implicit Place search using SMT with State Equation took 2424 ms to find 0 implicit places.
[2025-06-02 22:49:25] [INFO ] Redundant transitions in 59 ms returned []
Running 414 sub problems to find dead transitions.
[2025-06-02 22:49:25] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2904 variables, 2464/2464 constraints. Problems are: Problem set: 0 solved, 414 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2904/3349 variables, and 2464 constraints, problems are : Problem set: 0 solved, 414 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 2464/2464 constraints, State Equation: 0/2905 constraints, PredecessorRefiner: 414/414 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 414 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2904 variables, 2464/2464 constraints. Problems are: Problem set: 0 solved, 414 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2904 variables, 0/2464 constraints. Problems are: Problem set: 0 solved, 414 unsolved
At refinement iteration 2 (OVERLAPS) 444/3348 variables, 2904/5368 constraints. Problems are: Problem set: 0 solved, 414 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3348 variables, 414/5782 constraints. Problems are: Problem set: 0 solved, 414 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3348/3349 variables, and 5782 constraints, problems are : Problem set: 0 solved, 414 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 2464/2464 constraints, State Equation: 2904/2905 constraints, PredecessorRefiner: 414/414 constraints, Known Traps: 0/0 constraints]
After SMT, in 60675ms problems are : Problem set: 0 solved, 414 unsolved
Search for dead transitions found 0 dead transitions in 60679ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63195 ms. Remains : 2905/2905 places, 444/444 transitions.
RANDOM walk for 4000000 steps (121015 resets) in 72188 ms. (55 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (53 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (59 resets) in 84 ms. (470 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (52 resets) in 84 ms. (470 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 66 ms. (597 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 68 ms. (579 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 67 ms. (588 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (61 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 65 ms. (606 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (64 resets) in 68 ms. (579 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (58 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (65 resets) in 69 ms. (571 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (52 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 66 ms. (597 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 66 ms. (597 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (59 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (61 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (52 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (60 resets) in 67 ms. (588 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (53 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 67 ms. (588 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (53 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (59 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 66 ms. (597 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 64 ms. (615 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (53 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 85 ms. (465 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (54 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 119 ms. (333 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (59 resets) in 112 ms. (354 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40003 steps (52 resets) in 100 ms. (396 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (55 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 85 ms. (465 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (57 resets) in 84 ms. (470 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (56 resets) in 88 ms. (449 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (58 resets) in 84 ms. (470 steps per ms) remains 293/293 properties
BEST_FIRST walk for 40004 steps (54 resets) in 87 ms. (454 steps per ms) remains 293/293 properties
Probabilistic random walk after 10000001 steps, saw 1170366 distinct states, run finished after 51551 ms. (steps per millisecond=193 ) properties seen :0
[2025-06-02 22:51:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2846 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2846 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 2 (OVERLAPS) 29/2875 variables, 28/2464 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2875 variables, 0/2464 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 4 (OVERLAPS) 444/3319 variables, 2875/5339 constraints. Problems are: Problem set: 0 solved, 293 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3319 variables, 0/5339 constraints. Problems are: Problem set: 0 solved, 293 unsolved
SMT process timed out in 75466ms, After SMT, problems are : Problem set: 0 solved, 293 unsolved
Fused 293 Parikh solutions to 2 different solutions.
Parikh walk visited 57 properties in 60 ms.
Support contains 2760 out of 2905 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2905/2905 places, 444/444 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 2905 transition count 442
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 2904 transition count 441
Applied a total of 3 rules in 77 ms. Remains 2904 /2905 variables (removed 1) and now considering 441/444 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 2904/2905 places, 441/444 transitions.
RANDOM walk for 4000000 steps (115833 resets) in 68676 ms. (58 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 104 ms. (380 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 121 ms. (327 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (34 resets) in 119 ms. (333 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 71 ms. (555 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 90 ms. (439 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 104 ms. (380 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 100 ms. (396 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 146 ms. (272 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 103 ms. (384 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 101 ms. (392 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 137 ms. (289 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 146 ms. (272 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (35 resets) in 107 ms. (370 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 114 ms. (347 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 118 ms. (336 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 119 ms. (333 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 151 ms. (263 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 148 ms. (268 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 103 ms. (384 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 132 ms. (300 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 136 ms. (292 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 141 ms. (281 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 110 ms. (360 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (34 resets) in 146 ms. (272 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 110 ms. (360 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 110 ms. (360 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 111 ms. (357 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 121 ms. (327 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 126 ms. (314 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 146 ms. (272 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 130 ms. (305 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 115 ms. (344 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (34 resets) in 129 ms. (307 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 141 ms. (281 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 139 ms. (285 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 120 ms. (330 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 109 ms. (363 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 128 ms. (310 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 89 ms. (444 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 124 ms. (320 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 119 ms. (333 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 166 ms. (239 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 113 ms. (350 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 136 ms. (292 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 153 ms. (259 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 141 ms. (281 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 140 ms. (283 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 131 ms. (303 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 99 ms. (400 steps per ms) remains 236/236 properties
Interrupted probabilistic random walk after 9293042 steps, run timeout after 57001 ms. (steps per millisecond=163 ) properties seen :0 out of 236
Probabilistic random walk after 9293042 steps, saw 1150004 distinct states, run finished after 57007 ms. (steps per millisecond=163 ) properties seen :0
// Phase 1: matrix 441 rows 2904 cols
[2025-06-02 22:54:09] [INFO ] Computed 2465 invariants in 271 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 0/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 6 (OVERLAPS) 116/3317 variables, 88/5312 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3317/3345 variables, and 5312 constraints, problems are : Problem set: 0 solved, 236 unsolved in 90025 ms.
Refiners :[Generalized P Invariants (flows): 2436/2465 constraints, State Equation: 2876/2904 constraints, PredecessorRefiner: 236/236 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 235/5459 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3201/3345 variables, and 5459 constraints, problems are : Problem set: 0 solved, 236 unsolved in 90032 ms.
Refiners :[Generalized P Invariants (flows): 2436/2465 constraints, State Equation: 2788/2904 constraints, PredecessorRefiner: 235/236 constraints, Known Traps: 0/0 constraints]
After SMT, in 180747ms problems are : Problem set: 0 solved, 236 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2760 out of 2904 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2904/2904 places, 441/441 transitions.
Applied a total of 0 rules in 40 ms. Remains 2904 /2904 variables (removed 0) and now considering 441/441 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 2904/2904 places, 441/441 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2904/2904 places, 441/441 transitions.
Applied a total of 0 rules in 22 ms. Remains 2904 /2904 variables (removed 0) and now considering 441/441 (removed 0) transitions.
[2025-06-02 22:57:10] [INFO ] Invariant cache hit.
[2025-06-02 22:57:10] [INFO ] Implicit Places using invariants in 755 ms returned [211]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 759 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 2903/2904 places, 441/441 transitions.
Applied a total of 0 rules in 29 ms. Remains 2903 /2903 variables (removed 0) and now considering 441/441 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 811 ms. Remains : 2903/2904 places, 441/441 transitions.
RANDOM walk for 4000000 steps (115848 resets) in 68689 ms. (58 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 116 ms. (341 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 102 ms. (388 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 123 ms. (322 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 77 ms. (512 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 97 ms. (408 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 85 ms. (465 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 110 ms. (360 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 136 ms. (292 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 102 ms. (388 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 127 ms. (312 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 128 ms. (310 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 138 ms. (287 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 121 ms. (327 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 142 ms. (279 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (32 resets) in 105 ms. (377 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 98 ms. (404 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 85 ms. (465 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 143 ms. (277 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 151 ms. (263 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 112 ms. (354 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 129 ms. (307 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 134 ms. (296 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 91 ms. (434 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 138 ms. (287 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 154 ms. (258 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 135 ms. (294 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 112 ms. (354 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 147 ms. (270 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 140 ms. (283 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 108 ms. (367 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 134 ms. (296 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 152 ms. (261 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 116 ms. (341 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 109 ms. (363 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 106 ms. (373 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 127 ms. (312 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 133 ms. (298 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 109 ms. (363 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 140 ms. (283 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 129 ms. (307 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 106 ms. (373 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 147 ms. (270 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 145 ms. (273 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 152 ms. (261 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 143 ms. (277 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 137 ms. (289 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 146 ms. (272 steps per ms) remains 236/236 properties
Interrupted probabilistic random walk after 9996967 steps, run timeout after 57001 ms. (steps per millisecond=175 ) properties seen :0 out of 236
Probabilistic random walk after 9996967 steps, saw 1221848 distinct states, run finished after 57002 ms. (steps per millisecond=175 ) properties seen :0
// Phase 1: matrix 441 rows 2903 cols
[2025-06-02 22:58:27] [INFO ] Computed 2464 invariants in 255 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 0/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 6 (OVERLAPS) 115/3316 variables, 87/5311 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3316/3344 variables, and 5311 constraints, problems are : Problem set: 0 solved, 236 unsolved in 105019 ms.
Refiners :[Generalized P Invariants (flows): 2436/2464 constraints, State Equation: 2875/2903 constraints, PredecessorRefiner: 236/236 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 235/5459 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3201/3344 variables, and 5459 constraints, problems are : Problem set: 0 solved, 236 unsolved in 105021 ms.
Refiners :[Generalized P Invariants (flows): 2436/2464 constraints, State Equation: 2788/2903 constraints, PredecessorRefiner: 235/236 constraints, Known Traps: 0/0 constraints]
After SMT, in 210656ms problems are : Problem set: 0 solved, 236 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2760 out of 2903 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2903/2903 places, 441/441 transitions.
Applied a total of 0 rules in 32 ms. Remains 2903 /2903 variables (removed 0) and now considering 441/441 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 2903/2903 places, 441/441 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2903/2903 places, 441/441 transitions.
Applied a total of 0 rules in 21 ms. Remains 2903 /2903 variables (removed 0) and now considering 441/441 (removed 0) transitions.
[2025-06-02 23:01:57] [INFO ] Invariant cache hit.
[2025-06-02 23:01:58] [INFO ] Implicit Places using invariants in 803 ms returned []
[2025-06-02 23:01:58] [INFO ] Invariant cache hit.
[2025-06-02 23:02:00] [INFO ] Implicit Places using invariants and state equation in 1649 ms returned [2557, 2558, 2559, 2560, 2561, 2562, 2563, 2564, 2565, 2566, 2567, 2568, 2569, 2570, 2571, 2572, 2577, 2578, 2579, 2580, 2807, 2808, 2809, 2810, 2811, 2812, 2813, 2814, 2821]
Discarding 29 places :
Implicit Place search using SMT with State Equation took 2455 ms to find 29 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 2874/2903 places, 441/441 transitions.
Applied a total of 0 rules in 16 ms. Remains 2874 /2874 variables (removed 0) and now considering 441/441 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2493 ms. Remains : 2874/2903 places, 441/441 transitions.
RANDOM walk for 4000000 steps (115821 resets) in 64730 ms. (61 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 91 ms. (434 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 115 ms. (344 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 92 ms. (430 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 64 ms. (615 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 79 ms. (500 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 58 ms. (678 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 67 ms. (588 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 109 ms. (363 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 101 ms. (392 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 108 ms. (367 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 78 ms. (506 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 130 ms. (305 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 92 ms. (430 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 113 ms. (350 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 124 ms. (320 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 96 ms. (412 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 105 ms. (377 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 110 ms. (360 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 123 ms. (322 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 106 ms. (373 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 91 ms. (434 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (32 resets) in 89 ms. (444 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 105 ms. (377 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 118 ms. (336 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 121 ms. (327 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 123 ms. (322 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 112 ms. (354 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 97 ms. (408 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 125 ms. (317 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (32 resets) in 138 ms. (287 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 92 ms. (430 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 105 ms. (377 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 90 ms. (439 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 123 ms. (322 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 117 ms. (339 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 125 ms. (317 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 94 ms. (421 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 128 ms. (310 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (34 resets) in 90 ms. (439 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (35 resets) in 121 ms. (327 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 126 ms. (314 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 122 ms. (325 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40003 steps (33 resets) in 130 ms. (305 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (32 resets) in 126 ms. (314 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 126 ms. (314 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (34 resets) in 142 ms. (279 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 116 ms. (341 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 116 ms. (341 steps per ms) remains 236/236 properties
BEST_FIRST walk for 40004 steps (33 resets) in 111 ms. (357 steps per ms) remains 236/236 properties
Interrupted probabilistic random walk after 9572274 steps, run timeout after 54001 ms. (steps per millisecond=177 ) properties seen :0 out of 236
Probabilistic random walk after 9572274 steps, saw 1179735 distinct states, run finished after 54001 ms. (steps per millisecond=177 ) properties seen :0
// Phase 1: matrix 441 rows 2874 cols
[2025-06-02 23:03:13] [INFO ] Computed 2436 invariants in 387 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 0/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 6 (OVERLAPS) 114/3315 variables, 86/5310 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3315 variables, 0/5310 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3315/3315 variables, and 5310 constraints, problems are : Problem set: 0 solved, 236 unsolved in 120018 ms.
Refiners :[Generalized P Invariants (flows): 2436/2436 constraints, State Equation: 2874/2874 constraints, PredecessorRefiner: 236/236 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2760 variables, 2408/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2760 variables, 0/2408 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 2 (OVERLAPS) 28/2788 variables, 28/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2788 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 4 (OVERLAPS) 413/3201 variables, 2788/5224 constraints. Problems are: Problem set: 0 solved, 236 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3201 variables, 235/5459 constraints. Problems are: Problem set: 0 solved, 236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3201/3315 variables, and 5459 constraints, problems are : Problem set: 0 solved, 236 unsolved in 120027 ms.
Refiners :[Generalized P Invariants (flows): 2436/2436 constraints, State Equation: 2788/2874 constraints, PredecessorRefiner: 235/236 constraints, Known Traps: 0/0 constraints]
After SMT, in 240823ms problems are : Problem set: 0 solved, 236 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2760 out of 2874 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2874/2874 places, 441/441 transitions.
Applied a total of 0 rules in 18 ms. Remains 2874 /2874 variables (removed 0) and now considering 441/441 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 2874/2874 places, 441/441 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2874/2874 places, 441/441 transitions.
Applied a total of 0 rules in 13 ms. Remains 2874 /2874 variables (removed 0) and now considering 441/441 (removed 0) transitions.
[2025-06-02 23:07:13] [INFO ] Invariant cache hit.
[2025-06-02 23:07:14] [INFO ] Implicit Places using invariants in 751 ms returned []
[2025-06-02 23:07:14] [INFO ] Invariant cache hit.
[2025-06-02 23:07:15] [INFO ] Implicit Places using invariants and state equation in 1572 ms returned []
Implicit Place search using SMT with State Equation took 2328 ms to find 0 implicit places.
[2025-06-02 23:07:15] [INFO ] Redundant transitions in 33 ms returned []
Running 383 sub problems to find dead transitions.
[2025-06-02 23:07:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2845 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 383 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2845/3315 variables, and 2436 constraints, problems are : Problem set: 0 solved, 383 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 2436/2436 constraints, State Equation: 0/2874 constraints, PredecessorRefiner: 383/383 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 383 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2845 variables, 2436/2436 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2845 variables, 0/2436 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 2 (OVERLAPS) 441/3286 variables, 2845/5281 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/3286 variables, 383/5664 constraints. Problems are: Problem set: 0 solved, 383 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3286/3315 variables, and 5664 constraints, problems are : Problem set: 0 solved, 383 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 2436/2436 constraints, State Equation: 2845/2874 constraints, PredecessorRefiner: 383/383 constraints, Known Traps: 0/0 constraints]
After SMT, in 60577ms problems are : Problem set: 0 solved, 383 unsolved
Search for dead transitions found 0 dead transitions in 60581ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62967 ms. Remains : 2874/2874 places, 441/441 transitions.
Unable to solve all queries for examination QuasiLiveness. Remains :236 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 236 properties from file /home/mcc/execution/QuasiLiveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 1279201 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running QuasiCertifProtocol-PT-28
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: 2998
TRANSITIONS: 446
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.036s, Sys 0.003s]
SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.004s, 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: 644
MODEL NAME: /home/mcc/execution/model
2998 places, 446 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//
++ 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="QuasiCertifProtocol-PT-28"
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-28, 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-174881267200512"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/QuasiCertifProtocol-PT-28.tgz
mv QuasiCertifProtocol-PT-28 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 '
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 ;