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.r277-smll-171654416600052.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 itstools
Input is Parking-PT-432, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-171654416600052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 16:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Apr 11 17:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 71K Apr 11 17:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Apr 11 17:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Apr 11 17:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 192K May 18 16:43 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 1716763123054

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-432
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-26 22:38:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-26 22:38:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-26 22:38:45] [INFO ] Load time of PNML (sax parser for PT used): 276 ms
[2024-05-26 22:38:45] [INFO ] Transformed 529 places.
[2024-05-26 22:38:46] [INFO ] Transformed 785 transitions.
[2024-05-26 22:38:46] [INFO ] Found NUPN structural information;
[2024-05-26 22:38:46] [INFO ] Parsed PT model containing 529 places and 785 transitions and 2329 arcs in 532 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 529/529 places, 785/785 transitions.
Ensure Unique test removed 328 transitions
Reduce isomorphic transitions removed 328 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 344 rules applied. Total rules applied 344 place count 529 transition count 441
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 360 place count 513 transition count 441
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 360 place count 513 transition count 425
Deduced a syphon composed of 16 places in 3 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 392 place count 497 transition count 425
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 3 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 440 place count 473 transition count 401
Applied a total of 440 rules in 199 ms. Remains 473 /529 variables (removed 56) and now considering 401/785 (removed 384) transitions.
// Phase 1: matrix 401 rows 473 cols
[2024-05-26 22:38:46] [INFO ] Computed 124 invariants in 27 ms
[2024-05-26 22:38:47] [INFO ] Implicit Places using invariants in 1379 ms returned [63, 70, 76, 82, 89, 96, 102, 108, 132, 134, 175, 182, 188, 194, 201, 208, 214, 220, 244, 246, 287, 294, 300, 306, 313, 320, 326, 332, 356, 358, 399, 406, 412, 418, 425, 432, 438, 444, 468, 470]
Discarding 40 places :
Implicit Place search using SMT only with invariants took 1584 ms to find 40 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 433/529 places, 401/785 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 2 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 72 place count 397 transition count 365
Applied a total of 72 rules in 31 ms. Remains 397 /433 variables (removed 36) and now considering 365/401 (removed 36) transitions.
// Phase 1: matrix 365 rows 397 cols
[2024-05-26 22:38:47] [INFO ] Computed 84 invariants in 12 ms
[2024-05-26 22:38:48] [INFO ] Implicit Places using invariants in 620 ms returned []
[2024-05-26 22:38:48] [INFO ] Invariant cache hit.
[2024-05-26 22:38:49] [INFO ] State equation strengthened by 156 read => feed constraints.
[2024-05-26 22:38:50] [INFO ] Implicit Places using invariants and state equation in 1934 ms returned []
Implicit Place search using SMT with State Equation took 2558 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 397/529 places, 365/785 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4428 ms. Remains : 397/529 places, 365/785 transitions.
Discarding 128 transitions out of 365. Remains 237
Initial state reduction rules removed 1 formulas.
[2024-05-26 22:38:51] [INFO ] Flatten gal took : 293 ms
[2024-05-26 22:38:51] [INFO ] Flatten gal took : 157 ms
[2024-05-26 22:38:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17478382464096973743.gal : 103 ms
[2024-05-26 22:38:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9021760266936059575.prop : 11 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17478382464096973743.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9021760266936059575.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (367 resets) in 4792 ms. (8 steps per ms) remains 63/236 properties
Loading property file /tmp/ReachabilityCardinality9021760266936059575.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
Reachability property qltransition_272 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
Reachability property qltransition_235 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
Reachability property qltransition_198 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
Reachability property qltransition_161 is true.
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 63/63 properties
SDD proceeding with computation,232 properties remain. new max is 2
SDD size :1 after 3
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
SDD proceeding with computation,232 properties remain. new max is 4
[2024-05-26 22:38:52] [INFO ] Invariant cache hit.
SDD size :3 after 41
[2024-05-26 22:38:52] [INFO ] State equation strengthened by 156 read => feed constraints.
Reachability property qltransition_248 is true.
SDD proceeding with computation,231 properties remain. new max is 4
SDD size :41 after 641
Reachability property qltransition_283 is true.
Reachability property qltransition_99 is true.
SDD proceeding with computation,229 properties remain. new max is 4
SDD size :641 after 677
SDD proceeding with computation,229 properties remain. new max is 8
SDD size :677 after 679
Reachability property qltransition_330 is true.
Reachability property qltransition_249 is true.
SDD proceeding with computation,227 properties remain. new max is 8
SDD size :679 after 741
SDD proceeding with computation,227 properties remain. new max is 16
SDD size :741 after 769
Reachability property qltransition_289 is true.
Reachability property qltransition_252 is true.
Reachability property qltransition_102 is true.
SDD proceeding with computation,224 properties remain. new max is 16
SDD size :769 after 3842
SDD proceeding with computation,224 properties remain. new max is 32
SDD size :3842 after 3845
Reachability property qltransition_331 is true.
SDD proceeding with computation,223 properties remain. new max is 32
SDD size :3845 after 3969
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 125/125 constraints. Problems are: Problem set: 1 solved, 62 unsolved
Reachability property qltransition_329 is true.
Reachability property qltransition_281 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_250 is true.
Reachability property qltransition_98 is true.
SDD proceeding with computation,218 properties remain. new max is 32
SDD size :3969 after 9729
At refinement iteration 1 (INCLUDED_ONLY) 0/125 variables, 0/125 constraints. Problems are: Problem set: 3 solved, 60 unsolved
At refinement iteration 2 (OVERLAPS) 236/361 variables, 66/191 constraints. Problems are: Problem set: 3 solved, 60 unsolved
Reachability property qltransition_332 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/361 variables, 236/427 constraints. Problems are: Problem set: 3 solved, 60 unsolved
Reachability property qltransition_290 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_103 is true.
SDD proceeding with computation,214 properties remain. new max is 32
SDD size :9729 after 46081
At refinement iteration 4 (INCLUDED_ONLY) 0/361 variables, 0/427 constraints. Problems are: Problem set: 4 solved, 59 unsolved
At refinement iteration 5 (OVERLAPS) 36/397 variables, 18/445 constraints. Problems are: Problem set: 4 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 36/481 constraints. Problems are: Problem set: 4 solved, 59 unsolved
Reachability property qltransition_333 is true.
Reachability property qltransition_285 is true.
At refinement iteration 7 (INCLUDED_ONLY) 0/397 variables, 0/481 constraints. Problems are: Problem set: 4 solved, 59 unsolved
At refinement iteration 8 (OVERLAPS) 365/762 variables, 397/878 constraints. Problems are: Problem set: 4 solved, 59 unsolved
Reachability property qltransition_254 is true.
Reachability property qltransition_253 is true.
Reachability property qltransition_97 is true.
SDD proceeding with computation,209 properties remain. new max is 32
SDD size :46081 after 106497
At refinement iteration 9 (INCLUDED_ONLY) 0/762 variables, 156/1034 constraints. Problems are: Problem set: 5 solved, 58 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 762/762 variables, and 1034 constraints, problems are : Problem set: 5 solved, 58 unsolved in 5034 ms.
Refiners :[Domain max(s): 397/397 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 397/397 constraints, ReadFeed: 156/156 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 58 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 116/116 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/116 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 237/353 variables, 62/178 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/353 variables, 237/415 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/353 variables, 0/415 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 5 (OVERLAPS) 44/397 variables, 22/437 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/397 variables, 44/481 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/397 variables, 0/481 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 365/762 variables, 397/878 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/762 variables, 156/1034 constraints. Problems are: Problem set: 5 solved, 58 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/762 variables, 58/1092 constraints. Problems are: Problem set: 5 solved, 58 unsolved
Reachability property qltransition_334 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_246 is true.
Reachability property qltransition_245 is true.
Reachability property qltransition_100 is true.
SDD proceeding with computation,204 properties remain. new max is 32
SDD size :106497 after 491521
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 762/762 variables, and 1092 constraints, problems are : Problem set: 5 solved, 58 unsolved in 5022 ms.
Refiners :[Domain max(s): 397/397 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 397/397 constraints, ReadFeed: 156/156 constraints, PredecessorRefiner: 58/63 constraints, Known Traps: 0/0 constraints]
After SMT, in 10186ms problems are : Problem set: 5 solved, 58 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 116 out of 397 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 397/397 places, 365/365 transitions.
Free-agglomeration rule applied 58 times.
Iterating global reduction 0 with 58 rules applied. Total rules applied 58 place count 397 transition count 307
Reduce places removed 58 places and 0 transitions.
Iterating post reduction 0 with 58 rules applied. Total rules applied 116 place count 339 transition count 307
Applied a total of 116 rules in 134 ms. Remains 339 /397 variables (removed 58) and now considering 307/365 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 134 ms. Remains : 339/397 places, 307/365 transitions.
Reachability property qltransition_271 is true.
Reachability property qltransition_270 is true.
Reachability property qltransition_269 is true.
Reachability property qltransition_268 is true.
Reachability property qltransition_267 is true.
SDD proceeding with computation,199 properties remain. new max is 32
SDD size :491521 after 1.06939e+06
SDD proceeding with computation,199 properties remain. new max is 64
SDD size :1.06939e+06 after 1.06976e+06
RANDOM walk for 4000000 steps (31213 resets) in 55800 ms. (71 steps per ms) remains 41/58 properties
SDD proceeding with computation,199 properties remain. new max is 128
SDD size :1.06976e+06 after 1.07046e+06
BEST_FIRST walk for 400004 steps (133 resets) in 1118 ms. (357 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1084 ms. (368 steps per ms) remains 41/41 properties
Reachability property qltransition_266 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
SDD proceeding with computation,196 properties remain. new max is 128
SDD size :1.07046e+06 after 1.072e+06
BEST_FIRST walk for 400004 steps (132 resets) in 1090 ms. (366 steps per ms) remains 41/41 properties
SDD proceeding with computation,196 properties remain. new max is 256
SDD size :1.072e+06 after 1.07257e+06
BEST_FIRST walk for 400004 steps (131 resets) in 1061 ms. (376 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1087 ms. (367 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1050 ms. (380 steps per ms) remains 41/41 properties
SDD proceeding with computation,196 properties remain. new max is 512
SDD size :1.07257e+06 after 1.07718e+06
BEST_FIRST walk for 400003 steps (132 resets) in 1080 ms. (370 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400003 steps (130 resets) in 1028 ms. (388 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (130 resets) in 1063 ms. (375 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1012 ms. (394 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (130 resets) in 1018 ms. (392 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1071 ms. (373 steps per ms) remains 41/41 properties
SDD proceeding with computation,196 properties remain. new max is 1024
SDD size :1.07718e+06 after 1.08404e+06
BEST_FIRST walk for 400004 steps (132 resets) in 1269 ms. (314 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (130 resets) in 1061 ms. (376 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1137 ms. (351 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1110 ms. (360 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1207 ms. (331 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1130 ms. (353 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1177 ms. (339 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 965 ms. (414 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1053 ms. (379 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400003 steps (132 resets) in 1105 ms. (361 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1027 ms. (389 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1124 ms. (355 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 983 ms. (406 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1097 ms. (364 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (134 resets) in 1032 ms. (387 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (130 resets) in 1107 ms. (361 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (132 resets) in 1019 ms. (392 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1111 ms. (359 steps per ms) remains 40/41 properties
BEST_FIRST walk for 400004 steps (134 resets) in 1045 ms. (382 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1145 ms. (349 steps per ms) remains 40/40 properties
SDD proceeding with computation,196 properties remain. new max is 2048
SDD size :1.08404e+06 after 1.12973e+06
BEST_FIRST walk for 400004 steps (132 resets) in 1067 ms. (374 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (133 resets) in 1097 ms. (364 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1050 ms. (380 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (134 resets) in 1123 ms. (355 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400003 steps (134 resets) in 1070 ms. (373 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (134 resets) in 1126 ms. (354 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1034 ms. (386 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (131 resets) in 1119 ms. (357 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (133 resets) in 1022 ms. (391 steps per ms) remains 40/40 properties
// Phase 1: matrix 307 rows 339 cols
[2024-05-26 22:39:31] [INFO ] Computed 84 invariants in 2 ms
[2024-05-26 22:39:31] [INFO ] State equation strengthened by 190 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 201/281 variables, 44/124 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/281 variables, 201/325 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/281 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 58/339 variables, 40/365 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/339 variables, 58/423 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/339 variables, 0/423 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 307/646 variables, 339/762 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 190/952 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (OVERLAPS) 0/646 variables, 0/952 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Real declared 646/646 variables, and 952 constraints, problems are : Problem set: 0 solved, 40 unsolved in 4079 ms.
Refiners :[Domain max(s): 339/339 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 339/339 constraints, ReadFeed: 190/190 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 40 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 2 (OVERLAPS) 201/281 variables, 44/124 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/281 variables, 201/325 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/281 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 5 (OVERLAPS) 58/339 variables, 40/365 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/339 variables, 58/423 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/339 variables, 0/423 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 8 (OVERLAPS) 307/646 variables, 339/762 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/646 variables, 190/952 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/646 variables, 40/992 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/646 variables, 0/992 constraints. Problems are: Problem set: 0 solved, 40 unsolved
At refinement iteration 12 (OVERLAPS) 0/646 variables, 0/992 constraints. Problems are: Problem set: 0 solved, 40 unsolved
No progress, stopping.
After SMT solving in domain Int declared 646/646 variables, and 992 constraints, problems are : Problem set: 0 solved, 40 unsolved in 5130 ms.
Refiners :[Domain max(s): 339/339 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 339/339 constraints, ReadFeed: 190/190 constraints, PredecessorRefiner: 40/40 constraints, Known Traps: 0/0 constraints]
After SMT, in 9249ms problems are : Problem set: 0 solved, 40 unsolved
Parikh walk visited 16 properties in 3713 ms.
Support contains 48 out of 339 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 307/307 transitions.
Free-agglomeration rule applied 34 times.
Iterating global reduction 0 with 34 rules applied. Total rules applied 34 place count 339 transition count 273
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 0 with 34 rules applied. Total rules applied 68 place count 305 transition count 273
Applied a total of 68 rules in 34 ms. Remains 305 /339 variables (removed 34) and now considering 273/307 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 305/339 places, 273/307 transitions.
RANDOM walk for 4000000 steps (16946 resets) in 35426 ms. (112 steps per ms) remains 16/24 properties
BEST_FIRST walk for 400004 steps (189 resets) in 1028 ms. (388 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (184 resets) in 1148 ms. (348 steps per ms) remains 16/16 properties
Reachability property qltransition_335 is true.
BEST_FIRST walk for 400004 steps (188 resets) in 1143 ms. (349 steps per ms) remains 16/16 properties
Reachability property qltransition_291 is true.
BEST_FIRST walk for 400004 steps (187 resets) in 1248 ms. (320 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (187 resets) in 1122 ms. (356 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (184 resets) in 992 ms. (402 steps per ms) remains 16/16 properties
Reachability property qltransition_255 is true.
BEST_FIRST walk for 400004 steps (189 resets) in 1015 ms. (393 steps per ms) remains 16/16 properties
Reachability property qltransition_101 is true.
SDD proceeding with computation,192 properties remain. new max is 2048
BEST_FIRST walk for 400003 steps (183 resets) in 1116 ms. (358 steps per ms) remains 16/16 properties
SDD size :1.12973e+06 after 2.71974e+06
BEST_FIRST walk for 400004 steps (182 resets) in 1168 ms. (342 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (186 resets) in 1230 ms. (324 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400002 steps (184 resets) in 1100 ms. (363 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (185 resets) in 1281 ms. (312 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (183 resets) in 1108 ms. (360 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (184 resets) in 1236 ms. (323 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (183 resets) in 1077 ms. (371 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (183 resets) in 1233 ms. (324 steps per ms) remains 16/16 properties
// Phase 1: matrix 273 rows 305 cols
[2024-05-26 22:40:01] [INFO ] Computed 84 invariants in 2 ms
[2024-05-26 22:40:01] [INFO ] State equation strengthened by 224 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 101/133 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 101/151 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 172/305 variables, 66/217 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 172/389 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 273/578 variables, 305/694 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/578 variables, 224/918 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/578 variables, 0/918 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 0/578 variables, 0/918 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 578/578 variables, and 918 constraints, problems are : Problem set: 0 solved, 16 unsolved in 6415 ms.
Refiners :[Domain max(s): 305/305 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 305/305 constraints, ReadFeed: 224/224 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 101/133 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 101/151 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 172/305 variables, 66/217 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 172/389 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/305 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 273/578 variables, 305/694 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/578 variables, 224/918 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/578 variables, 16/934 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/578 variables, 0/934 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (OVERLAPS) 0/578 variables, 0/934 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 578/578 variables, and 934 constraints, problems are : Problem set: 0 solved, 16 unsolved in 2611 ms.
Refiners :[Domain max(s): 305/305 constraints, Positive P Invariants (semi-flows): 84/84 constraints, State Equation: 305/305 constraints, ReadFeed: 224/224 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
After SMT, in 9046ms problems are : Problem set: 0 solved, 16 unsolved
Finished Parikh walk after 4713 steps, including 74 resets, run visited all 10 properties in 178 ms. (steps per millisecond=26 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 16 properties in 443 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 237 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 85421 ms.

BK_STOP 1716763210935

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="Parking-PT-432"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool itstools"
echo " Input is Parking-PT-432, 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 r277-smll-171654416600052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-432.tgz
mv Parking-PT-432 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;