Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r105-tall-167814480700046.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CloudReconfiguration-PT-306, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r105-tall-167814480700046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.5K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 660K Mar 5 18:22 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 CloudReconfiguration-PT-306-ReachabilityCardinality-00
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-01
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-02
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-03
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-04
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-05
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-06
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-07
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-08
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-09
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-10
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-11
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-12
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-13
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-14
FORMULA_NAME CloudReconfiguration-PT-306-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678257272950

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-306
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-08 06:34:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-08 06:34:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 06:34:34] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2023-03-08 06:34:34] [INFO ] Transformed 2584 places.
[2023-03-08 06:34:34] [INFO ] Transformed 3094 transitions.
[2023-03-08 06:34:34] [INFO ] Found NUPN structural information;
[2023-03-08 06:34:34] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 373 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 113 resets, run finished after 527 ms. (steps per millisecond=18 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 40 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 34 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 12 resets, run finished after 150 ms. (steps per millisecond=66 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 43 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 37 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 44 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 35 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 38 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 12) seen :0
Interrupted probabilistic random walk after 222856 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :{}
Probabilistic random walk after 222856 steps, saw 58489 distinct states, run finished after 3002 ms. (steps per millisecond=74 ) properties seen :0
Running SMT prover for 12 properties.
// Phase 1: matrix 3094 rows 2584 cols
[2023-03-08 06:34:39] [INFO ] Computed 4 place invariants in 54 ms
[2023-03-08 06:34:40] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 23 ms returned sat
[2023-03-08 06:34:41] [INFO ] After 1099ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-08 06:34:41] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 22 ms returned sat
[2023-03-08 06:34:45] [INFO ] After 3289ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :10
[2023-03-08 06:34:47] [INFO ] After 5354ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :10
Attempting to minimize the solution found.
Minimization took 1218 ms.
[2023-03-08 06:34:48] [INFO ] After 7935ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :10
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 10 different solutions.
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 3 properties in 164 ms.
Support contains 76 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2785 edges and 2584 vertex of which 598 / 2584 are part of one of the 52 SCC in 11 ms
Free SCC test removed 546 places
Drop transitions removed 667 transitions
Reduce isomorphic transitions removed 667 transitions.
Graph (complete) has 2705 edges and 2038 vertex of which 2024 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions removed 9 transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions removed 1246 transitions
Trivial Post-agglo rules discarded 1246 transitions
Performed 1246 trivial Post agglomeration. Transition count delta: 1246
Iterating post reduction 0 with 1255 rules applied. Total rules applied 1257 place count 2024 transition count 1163
Reduce places removed 1246 places and 0 transitions.
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Drop transitions removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 1 with 1361 rules applied. Total rules applied 2618 place count 778 transition count 1048
Reduce places removed 45 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 53 rules applied. Total rules applied 2671 place count 733 transition count 1040
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 7 rules applied. Total rules applied 2678 place count 730 transition count 1036
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 5 rules applied. Total rules applied 2683 place count 728 transition count 1033
Reduce places removed 2 places and 0 transitions.
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Iterating post reduction 5 with 43 rules applied. Total rules applied 2726 place count 726 transition count 992
Reduce places removed 41 places and 0 transitions.
Iterating post reduction 6 with 41 rules applied. Total rules applied 2767 place count 685 transition count 992
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 33 Pre rules applied. Total rules applied 2767 place count 685 transition count 959
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 7 with 66 rules applied. Total rules applied 2833 place count 652 transition count 959
Discarding 91 places :
Symmetric choice reduction at 7 with 91 rule applications. Total rules 2924 place count 561 transition count 868
Iterating global reduction 7 with 91 rules applied. Total rules applied 3015 place count 561 transition count 868
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 7 with 8 rules applied. Total rules applied 3023 place count 561 transition count 860
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 4 rules applied. Total rules applied 3027 place count 559 transition count 858
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 3030 place count 558 transition count 856
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 3033 place count 557 transition count 854
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 3034 place count 556 transition count 854
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 12 with 9 Pre rules applied. Total rules applied 3034 place count 556 transition count 845
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 12 with 18 rules applied. Total rules applied 3052 place count 547 transition count 845
Discarding 53 places :
Symmetric choice reduction at 12 with 53 rule applications. Total rules 3105 place count 494 transition count 792
Iterating global reduction 12 with 53 rules applied. Total rules applied 3158 place count 494 transition count 792
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 12 with 30 rules applied. Total rules applied 3188 place count 494 transition count 762
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 13 with 22 rules applied. Total rules applied 3210 place count 480 transition count 754
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 14 with 5 rules applied. Total rules applied 3215 place count 476 transition count 753
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 3216 place count 475 transition count 753
Discarding 14 places :
Symmetric choice reduction at 16 with 14 rule applications. Total rules 3230 place count 461 transition count 729
Iterating global reduction 16 with 14 rules applied. Total rules applied 3244 place count 461 transition count 729
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 16 with 3 rules applied. Total rules applied 3247 place count 461 transition count 726
Discarding 7 places :
Symmetric choice reduction at 17 with 7 rule applications. Total rules 3254 place count 454 transition count 712
Iterating global reduction 17 with 7 rules applied. Total rules applied 3261 place count 454 transition count 712
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3263 place count 452 transition count 708
Iterating global reduction 17 with 2 rules applied. Total rules applied 3265 place count 452 transition count 708
Performed 175 Post agglomeration using F-continuation condition with reduction of 68 identical transitions.
Deduced a syphon composed of 175 places in 1 ms
Reduce places removed 175 places and 0 transitions.
Iterating global reduction 17 with 350 rules applied. Total rules applied 3615 place count 277 transition count 465
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 17 with 5 rules applied. Total rules applied 3620 place count 277 transition count 460
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 18 with 6 rules applied. Total rules applied 3626 place count 274 transition count 457
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 18 with 6 rules applied. Total rules applied 3632 place count 274 transition count 451
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 19 with 6 rules applied. Total rules applied 3638 place count 271 transition count 448
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 19 with 6 rules applied. Total rules applied 3644 place count 271 transition count 442
Performed 44 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 44 places in 1 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 20 with 88 rules applied. Total rules applied 3732 place count 227 transition count 474
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 20 with 29 rules applied. Total rules applied 3761 place count 227 transition count 445
Discarding 18 places :
Symmetric choice reduction at 21 with 18 rule applications. Total rules 3779 place count 209 transition count 408
Iterating global reduction 21 with 18 rules applied. Total rules applied 3797 place count 209 transition count 408
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 21 with 3 rules applied. Total rules applied 3800 place count 209 transition count 405
Discarding 2 places :
Symmetric choice reduction at 22 with 2 rule applications. Total rules 3802 place count 207 transition count 401
Iterating global reduction 22 with 2 rules applied. Total rules applied 3804 place count 207 transition count 401
Drop transitions removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 22 with 27 rules applied. Total rules applied 3831 place count 207 transition count 374
Free-agglomeration rule applied 15 times.
Iterating global reduction 22 with 15 rules applied. Total rules applied 3846 place count 207 transition count 359
Reduce places removed 15 places and 0 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 22 with 16 rules applied. Total rules applied 3862 place count 192 transition count 358
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 23 with 1 rules applied. Total rules applied 3863 place count 192 transition count 357
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 23 with 1 rules applied. Total rules applied 3864 place count 192 transition count 356
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 23 with 1 rules applied. Total rules applied 3865 place count 191 transition count 356
Partial Free-agglomeration rule applied 14 times.
Drop transitions removed 14 transitions
Iterating global reduction 24 with 14 rules applied. Total rules applied 3879 place count 191 transition count 356
Partial Post-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 24 with 6 rules applied. Total rules applied 3885 place count 191 transition count 356
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 3886 place count 191 transition count 355
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 25 with 1 rules applied. Total rules applied 3887 place count 190 transition count 354
Applied a total of 3887 rules in 438 ms. Remains 190 /2584 variables (removed 2394) and now considering 354/3094 (removed 2740) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 438 ms. Remains : 190/2584 places, 354/3094 transitions.
Incomplete random walk after 10000 steps, including 49 resets, run finished after 186 ms. (steps per millisecond=53 ) properties (out of 7) seen :3
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 11 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-08 06:34:49] [INFO ] Flow matrix only has 345 transitions (discarded 9 similar events)
// Phase 1: matrix 345 rows 190 cols
[2023-03-08 06:34:49] [INFO ] Computed 4 place invariants in 11 ms
[2023-03-08 06:34:50] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-08 06:34:50] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-08 06:34:50] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-08 06:34:50] [INFO ] After 131ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-08 06:34:50] [INFO ] State equation strengthened by 4 read => feed constraints.
[2023-03-08 06:34:50] [INFO ] After 57ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-08 06:34:50] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 1 ms to minimize.
[2023-03-08 06:34:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 65 ms
[2023-03-08 06:34:50] [INFO ] Deduced a trap composed of 58 places in 84 ms of which 0 ms to minimize.
[2023-03-08 06:34:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 107 ms
[2023-03-08 06:34:50] [INFO ] After 283ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 41 ms.
[2023-03-08 06:34:50] [INFO ] After 527ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 39 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 354/354 transitions.
Graph (trivial) has 110 edges and 190 vertex of which 28 / 190 are part of one of the 12 SCC in 1 ms
Free SCC test removed 16 places
Drop transitions removed 29 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 30 transitions.
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 174 transition count 313
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 13 rules applied. Total rules applied 25 place count 163 transition count 311
Reduce places removed 1 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 6 rules applied. Total rules applied 31 place count 162 transition count 306
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 38 place count 157 transition count 304
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 38 place count 157 transition count 297
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 52 place count 150 transition count 297
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 57 place count 145 transition count 290
Iterating global reduction 4 with 5 rules applied. Total rules applied 62 place count 145 transition count 290
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 64 place count 145 transition count 288
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 5 with 24 rules applied. Total rules applied 88 place count 133 transition count 276
Drop transitions removed 4 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 98 place count 133 transition count 266
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 101 place count 130 transition count 260
Iterating global reduction 6 with 3 rules applied. Total rules applied 104 place count 130 transition count 260
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 105 place count 130 transition count 259
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 111 place count 127 transition count 262
Drop transitions removed 2 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 118 place count 127 transition count 255
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 119 place count 126 transition count 253
Iterating global reduction 8 with 1 rules applied. Total rules applied 120 place count 126 transition count 253
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 121 place count 126 transition count 252
Drop transitions removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 9 with 9 rules applied. Total rules applied 130 place count 126 transition count 243
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 131 place count 125 transition count 242
Iterating global reduction 9 with 1 rules applied. Total rules applied 132 place count 125 transition count 242
Free-agglomeration rule applied 4 times.
Iterating global reduction 9 with 4 rules applied. Total rules applied 136 place count 125 transition count 238
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 141 place count 121 transition count 237
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 142 place count 121 transition count 236
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 10 with 1 rules applied. Total rules applied 143 place count 121 transition count 235
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 144 place count 120 transition count 235
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 146 place count 120 transition count 235
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 11 with 2 rules applied. Total rules applied 148 place count 120 transition count 235
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 149 place count 119 transition count 234
Iterating global reduction 11 with 1 rules applied. Total rules applied 150 place count 119 transition count 234
Applied a total of 150 rules in 92 ms. Remains 119 /190 variables (removed 71) and now considering 234/354 (removed 120) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 119/190 places, 234/354 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 2) seen :0
Finished probabilistic random walk after 215095 steps, run visited all 2 properties in 346 ms. (steps per millisecond=621 )
Probabilistic random walk after 215095 steps, saw 49152 distinct states, run finished after 349 ms. (steps per millisecond=616 ) properties seen :2
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 16675 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --invariant=/tmp/473/inv_0_ --invariant=/tmp/473/inv_1_ --invariant=/tmp/473/inv_2_ --invariant=/tmp/473/inv_3_ --invariant=/tmp/473/inv_4_ --invariant=/tmp/473/inv_5_ --invariant=/tmp/473/inv_6_ --invariant=/tmp/473/inv_7_ --invariant=/tmp/473/inv_8_ --invariant=/tmp/473/inv_9_ --invariant=/tmp/473/inv_10_ --invariant=/tmp/473/inv_11_ --invariant=/tmp/473/inv_12_ --invariant=/tmp/473/inv_13_ --invariant=/tmp/473/inv_14_ --invariant=/tmp/473/inv_15_ --inv-par
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-00 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-03 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-04 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-06 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-08 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-09 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-10 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-11 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-13 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-14 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN
FORMULA CloudReconfiguration-PT-306-ReachabilityCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1678257321309

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML
mcc2023
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-00
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_0_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-01
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_1_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-02
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_2_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-03
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_3_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-04
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_4_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-05
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_5_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-06
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_6_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-07
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_7_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-08
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_8_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-09
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_9_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-10
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_10_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-11
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_11_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-12
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_12_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-13
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_13_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-14
rfs formula type EF
rfs formula formula --invariant=/tmp/473/inv_14_
rfs formula name CloudReconfiguration-PT-306-ReachabilityCardinality-15
rfs formula type AG
rfs formula formula --invariant=/tmp/473/inv_15_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 2584 places, 3094 transitions and 6459 arcs
pnml2lts-sym: Petri net CloudReconfiguration-PT-306 analyzed
pnml2lts-sym: There are safe places
pnml2lts-sym: Loading Petri net took 0.030 real 0.020 user 0.010 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 3094->3094 groups
pnml2lts-sym: Regrouping took 2.640 real 2.600 user 0.030 sys
pnml2lts-sym: state vector length is 2584; there are 3094 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_1_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_3_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_5_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_6_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_7_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_11_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_15_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/473/inv_13_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: Exploration took 1021619 group checks and 0 next state calls
pnml2lts-sym: reachability took 24.280 real 96.520 user 0.450 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.020 real 0.110 user 0.000 sys
pnml2lts-sym: state space has 55243845633 states, 76566 nodes
pnml2lts-sym: group_next: 12037 nodes total
pnml2lts-sym: group_explored: 6291 nodes, 6286 short vectors total
pnml2lts-sym: max token count: 1

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="CloudReconfiguration-PT-306"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is CloudReconfiguration-PT-306, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r105-tall-167814480700046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-306.tgz
mv CloudReconfiguration-PT-306 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;