About the Execution of LTSMin+red for AutoFlight-PT-05a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 329.804 | 9454.00 | 22264.00 | 291.10 | ???T?TT??????T?? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r468-smll-171620167000121.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is AutoFlight-PT-05a, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r468-smll-171620167000121
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 22:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Apr 12 22:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Apr 12 22:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 38K Apr 12 22:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 36K May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-00
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-01
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-02
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-03
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-04
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-05
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-06
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-07
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-08
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-09
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-10
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2024-11
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2023-12
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2023-13
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2023-14
FORMULA_NAME AutoFlight-PT-05a-CTLCardinality-2023-15
=== Now, execution of the tool begins
BK_START 1717187026265
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-05a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 20:23:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-31 20:23:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 20:23:49] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2024-05-31 20:23:49] [INFO ] Transformed 132 places.
[2024-05-31 20:23:49] [INFO ] Transformed 130 transitions.
[2024-05-31 20:23:49] [INFO ] Found NUPN structural information;
[2024-05-31 20:23:49] [INFO ] Parsed PT model containing 132 places and 130 transitions and 420 arcs in 383 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 38 ms.
Ensure Unique test removed 25 transitions
Reduce redundant transitions removed 25 transitions.
Support contains 68 out of 132 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 132/132 places, 105/105 transitions.
Applied a total of 0 rules in 28 ms. Remains 132 /132 variables (removed 0) and now considering 105/105 (removed 0) transitions.
// Phase 1: matrix 105 rows 132 cols
[2024-05-31 20:23:49] [INFO ] Computed 34 invariants in 30 ms
[2024-05-31 20:23:50] [INFO ] Implicit Places using invariants in 817 ms returned [7, 14, 35, 44, 77, 99, 111, 123, 131]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 885 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 123/132 places, 105/105 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 121 transition count 103
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 121 transition count 103
Applied a total of 4 rules in 25 ms. Remains 121 /123 variables (removed 2) and now considering 103/105 (removed 2) transitions.
// Phase 1: matrix 103 rows 121 cols
[2024-05-31 20:23:50] [INFO ] Computed 25 invariants in 11 ms
[2024-05-31 20:23:50] [INFO ] Implicit Places using invariants in 140 ms returned []
[2024-05-31 20:23:50] [INFO ] Invariant cache hit.
[2024-05-31 20:23:50] [INFO ] State equation strengthened by 12 read => feed constraints.
[2024-05-31 20:23:51] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 397 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 121/132 places, 103/105 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1388 ms. Remains : 121/132 places, 103/105 transitions.
Support contains 68 out of 121 places after structural reductions.
[2024-05-31 20:23:51] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-31 20:23:51] [INFO ] Flatten gal took : 82 ms
FORMULA AutoFlight-PT-05a-CTLCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-31 20:23:51] [INFO ] Flatten gal took : 27 ms
[2024-05-31 20:23:51] [INFO ] Input system was already deterministic with 103 transitions.
Support contains 62 out of 121 places (down from 68) after GAL structural reductions.
RANDOM walk for 40000 steps (1200 resets) in 3130 ms. (12 steps per ms) remains 8/47 properties
BEST_FIRST walk for 40003 steps (180 resets) in 307 ms. (129 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (175 resets) in 327 ms. (121 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (180 resets) in 233 ms. (170 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (169 resets) in 152 ms. (261 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (178 resets) in 131 ms. (303 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (179 resets) in 194 ms. (205 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (179 resets) in 106 ms. (373 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (178 resets) in 110 ms. (360 steps per ms) remains 5/7 properties
[2024-05-31 20:23:53] [INFO ] Invariant cache hit.
[2024-05-31 20:23:53] [INFO ] State equation strengthened by 12 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp5 is UNSAT
At refinement iteration 1 (OVERLAPS) 69/81 variables, 9/9 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 40/121 variables, 16/25 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 103/224 variables, 121/146 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 12/158 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/224 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/224 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 224/224 variables, and 158 constraints, problems are : Problem set: 1 solved, 4 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, State Equation: 121/121 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp38 is UNSAT
Problem AtomicPropp44 is UNSAT
After SMT solving in domain Int declared 78/224 variables, and 6 constraints, problems are : Problem set: 5 solved, 0 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 6/25 constraints, State Equation: 0/121 constraints, ReadFeed: 0/12 constraints, PredecessorRefiner: 0/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 615ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 15 simplifications.
FORMULA AutoFlight-PT-05a-CTLCardinality-2023-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 18 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 18 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 103 transitions.
Support contains 50 out of 121 places (down from 51) after GAL structural reductions.
Computed a total of 7 stabilizing places and 1 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 116 transition count 98
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 116 transition count 98
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 115 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 115 transition count 97
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 114 transition count 96
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 114 transition count 96
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 113 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 113 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 112 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 112 transition count 94
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 111 transition count 93
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 111 transition count 93
Applied a total of 20 rules in 175 ms. Remains 111 /121 variables (removed 10) and now considering 93/103 (removed 10) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 177 ms. Remains : 111/121 places, 93/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 30 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 30 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 93 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 120 transition count 102
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 120 transition count 102
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 119 transition count 101
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 116 transition count 98
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 116 transition count 98
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 115 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 115 transition count 97
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 114 transition count 96
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 114 transition count 96
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 113 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 113 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 112 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 112 transition count 94
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 111 transition count 93
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 111 transition count 93
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 110 transition count 92
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 110 transition count 92
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 109 transition count 91
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 109 transition count 91
Applied a total of 24 rules in 79 ms. Remains 109 /121 variables (removed 12) and now considering 91/103 (removed 12) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 109/121 places, 91/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 28 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 29 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 91 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Applied a total of 8 rules in 22 ms. Remains 117 /121 variables (removed 4) and now considering 99/103 (removed 4) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22 ms. Remains : 117/121 places, 99/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 9 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 99 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 38 transitions
Trivial Post-agglo rules discarded 38 transitions
Performed 38 trivial Post agglomeration. Transition count delta: 38
Iterating post reduction 0 with 44 rules applied. Total rules applied 44 place count 114 transition count 64
Reduce places removed 38 places and 0 transitions.
Iterating post reduction 1 with 38 rules applied. Total rules applied 82 place count 76 transition count 64
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 5 Pre rules applied. Total rules applied 82 place count 76 transition count 59
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 97 place count 66 transition count 59
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 4 rules applied. Total rules applied 101 place count 66 transition count 55
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 105 place count 62 transition count 55
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 107 place count 60 transition count 53
Iterating global reduction 4 with 2 rules applied. Total rules applied 109 place count 60 transition count 53
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 139 place count 45 transition count 38
Applied a total of 139 rules in 36 ms. Remains 45 /121 variables (removed 76) and now considering 38/103 (removed 65) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 36 ms. Remains : 45/121 places, 38/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 3 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 4 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 38 transitions.
RANDOM walk for 294 steps (15 resets) in 6 ms. (42 steps per ms) remains 0/1 properties
FORMULA AutoFlight-PT-05a-CTLCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 116 transition count 98
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 116 transition count 98
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 115 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 115 transition count 97
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 114 transition count 96
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 114 transition count 96
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 113 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 113 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 112 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 112 transition count 94
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 111 transition count 93
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 111 transition count 93
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 110 transition count 92
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 110 transition count 92
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 109 transition count 91
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 109 transition count 91
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 108 transition count 90
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 108 transition count 90
Applied a total of 26 rules in 25 ms. Remains 108 /121 variables (removed 13) and now considering 90/103 (removed 13) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 25 ms. Remains : 108/121 places, 90/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 90 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 114 transition count 70
Reduce places removed 32 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 34 rules applied. Total rules applied 72 place count 82 transition count 68
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 74 place count 80 transition count 68
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 74 place count 80 transition count 61
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 19 rules applied. Total rules applied 93 place count 68 transition count 61
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 3 with 5 rules applied. Total rules applied 98 place count 68 transition count 56
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 103 place count 63 transition count 56
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 104 place count 62 transition count 55
Iterating global reduction 5 with 1 rules applied. Total rules applied 105 place count 62 transition count 55
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 133 place count 48 transition count 41
Applied a total of 133 rules in 16 ms. Remains 48 /121 variables (removed 73) and now considering 41/103 (removed 62) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 16 ms. Remains : 48/121 places, 41/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 3 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 3 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 41 transitions.
RANDOM walk for 290 steps (13 resets) in 5 ms. (48 steps per ms) remains 0/1 properties
FORMULA AutoFlight-PT-05a-CTLCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Applied a total of 4 rules in 4 ms. Remains 119 /121 variables (removed 2) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 119/121 places, 101/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 101 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Applied a total of 8 rules in 8 ms. Remains 117 /121 variables (removed 4) and now considering 99/103 (removed 4) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8 ms. Remains : 117/121 places, 99/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 99 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 120 transition count 102
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 120 transition count 102
Applied a total of 2 rules in 4 ms. Remains 120 /121 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 120/121 places, 102/103 transitions.
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:54] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:54] [INFO ] Input system was already deterministic with 102 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 120 transition count 102
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 120 transition count 102
Applied a total of 2 rules in 4 ms. Remains 120 /121 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 120/121 places, 102/103 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:55] [INFO ] Input system was already deterministic with 102 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 121 transition count 85
Reduce places removed 18 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 19 rules applied. Total rules applied 37 place count 103 transition count 84
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 38 place count 102 transition count 84
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 38 place count 102 transition count 77
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 52 place count 95 transition count 77
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 54 place count 93 transition count 75
Iterating global reduction 3 with 2 rules applied. Total rules applied 56 place count 93 transition count 75
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 57 place count 92 transition count 74
Iterating global reduction 3 with 1 rules applied. Total rules applied 58 place count 92 transition count 74
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 59 place count 91 transition count 73
Iterating global reduction 3 with 1 rules applied. Total rules applied 60 place count 91 transition count 73
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 84 place count 79 transition count 61
Applied a total of 84 rules in 21 ms. Remains 79 /121 variables (removed 42) and now considering 61/103 (removed 42) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 21 ms. Remains : 79/121 places, 61/103 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 5 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 5 ms
[2024-05-31 20:23:55] [INFO ] Input system was already deterministic with 61 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 119 transition count 101
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 119 transition count 101
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 118 transition count 100
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 118 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 117 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 117 transition count 99
Applied a total of 8 rules in 7 ms. Remains 117 /121 variables (removed 4) and now considering 99/103 (removed 4) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7 ms. Remains : 117/121 places, 99/103 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:55] [INFO ] Input system was already deterministic with 99 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 6 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 114 transition count 72
Reduce places removed 30 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 32 rules applied. Total rules applied 68 place count 84 transition count 70
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 70 place count 82 transition count 70
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 70 place count 82 transition count 64
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 17 rules applied. Total rules applied 87 place count 71 transition count 64
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 3 with 5 rules applied. Total rules applied 92 place count 71 transition count 59
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 97 place count 66 transition count 59
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 98 place count 65 transition count 58
Iterating global reduction 5 with 1 rules applied. Total rules applied 99 place count 65 transition count 58
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 127 place count 51 transition count 44
Applied a total of 127 rules in 16 ms. Remains 51 /121 variables (removed 70) and now considering 44/103 (removed 59) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 16 ms. Remains : 51/121 places, 44/103 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 4 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 4 ms
[2024-05-31 20:23:55] [INFO ] Input system was already deterministic with 44 transitions.
Starting structural reductions in LTL mode, iteration 0 : 121/121 places, 103/103 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 120 transition count 102
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 120 transition count 102
Applied a total of 2 rules in 4 ms. Remains 120 /121 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 120/121 places, 102/103 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 7 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 9 ms
[2024-05-31 20:23:55] [INFO ] Input system was already deterministic with 102 transitions.
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 8 ms
[2024-05-31 20:23:55] [INFO ] Flatten gal took : 9 ms
[2024-05-31 20:23:55] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 4 ms.
[2024-05-31 20:23:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 121 places, 103 transitions and 310 arcs took 3 ms.
Total runtime 6158 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-00
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-01
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-02
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-04
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-07
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-08
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-09
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-10
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2024-11
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2023-12
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2023-14
Could not compute solution for formula : AutoFlight-PT-05a-CTLCardinality-2023-15
BK_STOP 1717187035719
--------------------
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 CTLCardinality -timeout 360 -rebuildPNML
mcc2024
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-00
ctl formula formula --ctl=/tmp/512/ctl_0_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-01
ctl formula formula --ctl=/tmp/512/ctl_1_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-02
ctl formula formula --ctl=/tmp/512/ctl_2_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-04
ctl formula formula --ctl=/tmp/512/ctl_3_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-07
ctl formula formula --ctl=/tmp/512/ctl_4_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-08
ctl formula formula --ctl=/tmp/512/ctl_5_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-09
ctl formula formula --ctl=/tmp/512/ctl_6_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-10
ctl formula formula --ctl=/tmp/512/ctl_7_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2024-11
ctl formula formula --ctl=/tmp/512/ctl_8_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2023-12
ctl formula formula --ctl=/tmp/512/ctl_9_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2023-14
ctl formula formula --ctl=/tmp/512/ctl_10_
ctl formula name AutoFlight-PT-05a-CTLCardinality-2023-15
ctl formula formula --ctl=/tmp/512/ctl_11_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
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="AutoFlight-PT-05a"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is AutoFlight-PT-05a, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r468-smll-171620167000121"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05a.tgz
mv AutoFlight-PT-05a execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;