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.r458-smll-167912650500585.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is StigmergyElection-PT-04a, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r458-smll-167912650500585
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 7.2K Feb 26 16:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 16:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 17:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 17:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 149K Feb 26 16:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 16:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 26 16:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 71K Mar 5 18:23 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 StigmergyElection-PT-04a-CTLCardinality-00
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-01
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-02
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-03
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-04
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-05
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-06
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-07
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-08
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-09
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-10
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-11
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-12
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-13
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-14
FORMULA_NAME StigmergyElection-PT-04a-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679551282185

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=marciexred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=StigmergyElection-PT-04a
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-23 06:01:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-23 06:01:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 06:01:26] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2023-03-23 06:01:26] [INFO ] Transformed 58 places.
[2023-03-23 06:01:26] [INFO ] Transformed 218 transitions.
[2023-03-23 06:01:26] [INFO ] Found NUPN structural information;
[2023-03-23 06:01:26] [INFO ] Parsed PT model containing 58 places and 218 transitions and 1238 arcs in 272 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 26 ms.
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 110 transitions
Reduce redundant transitions removed 110 transitions.
FORMULA StigmergyElection-PT-04a-CTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-04a-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-04a-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-04a-CTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-04a-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 49 out of 58 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Applied a total of 0 rules in 22 ms. Remains 58 /58 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2023-03-23 06:01:26] [INFO ] Flow matrix only has 96 transitions (discarded 12 similar events)
// Phase 1: matrix 96 rows 58 cols
[2023-03-23 06:01:26] [INFO ] Computed 5 place invariants in 12 ms
[2023-03-23 06:01:26] [INFO ] Implicit Places using invariants in 264 ms returned []
[2023-03-23 06:01:26] [INFO ] Flow matrix only has 96 transitions (discarded 12 similar events)
[2023-03-23 06:01:26] [INFO ] Invariant cache hit.
[2023-03-23 06:01:27] [INFO ] State equation strengthened by 49 read => feed constraints.
[2023-03-23 06:01:27] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 479 ms to find 0 implicit places.
[2023-03-23 06:01:27] [INFO ] Flow matrix only has 96 transitions (discarded 12 similar events)
[2023-03-23 06:01:27] [INFO ] Invariant cache hit.
[2023-03-23 06:01:27] [INFO ] Dead Transitions using invariants and state equation in 133 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 637 ms. Remains : 58/58 places, 108/108 transitions.
Support contains 49 out of 58 places after structural reductions.
[2023-03-23 06:01:28] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-23 06:01:28] [INFO ] Flatten gal took : 86 ms
[2023-03-23 06:01:28] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA StigmergyElection-PT-04a-CTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA StigmergyElection-PT-04a-CTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-23 06:01:28] [INFO ] Flatten gal took : 28 ms
[2023-03-23 06:01:28] [INFO ] Input system was already deterministic with 108 transitions.
Support contains 32 out of 58 places (down from 49) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 72 resets, run finished after 369 ms. (steps per millisecond=27 ) properties (out of 32) seen :31
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-23 06:01:28] [INFO ] Flow matrix only has 96 transitions (discarded 12 similar events)
[2023-03-23 06:01:28] [INFO ] Invariant cache hit.
[2023-03-23 06:01:29] [INFO ] [Real]Absence check using 5 positive place invariants in 6 ms returned sat
[2023-03-23 06:01:29] [INFO ] After 86ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 1 atomic propositions for a total of 9 simplifications.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 13 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 14 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 108 transitions.
Computed a total of 10 stabilizing places and 9 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 53 transition count 100
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 53 transition count 100
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 51 transition count 96
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 51 transition count 96
Applied a total of 14 rules in 23 ms. Remains 51 /58 variables (removed 7) and now considering 96/108 (removed 12) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23 ms. Remains : 51/58 places, 96/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 10 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 11 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 96 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 58 transition count 102
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 52 transition count 102
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 46 transition count 93
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 46 transition count 93
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 26 place count 44 transition count 89
Iterating global reduction 0 with 2 rules applied. Total rules applied 28 place count 44 transition count 89
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 30 place count 42 transition count 87
Iterating global reduction 0 with 2 rules applied. Total rules applied 32 place count 42 transition count 87
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 35 place count 42 transition count 84
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 1 with 6 rules applied. Total rules applied 41 place count 39 transition count 81
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 44 place count 36 transition count 78
Iterating global reduction 1 with 3 rules applied. Total rules applied 47 place count 36 transition count 78
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 52 place count 36 transition count 73
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 60 place count 32 transition count 69
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 61 place count 32 transition count 69
Applied a total of 61 rules in 62 ms. Remains 32 /58 variables (removed 26) and now considering 69/108 (removed 39) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 62 ms. Remains : 32/58 places, 69/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 5 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 5 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 69 transitions.
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 55 transition count 104
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 55 transition count 104
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 54 transition count 102
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 54 transition count 102
Applied a total of 8 rules in 5 ms. Remains 54 /58 variables (removed 4) and now considering 102/108 (removed 6) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 54/58 places, 102/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 7 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 102 transitions.
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 52 transition count 99
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 52 transition count 99
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 49 transition count 93
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 49 transition count 93
Applied a total of 18 rules in 4 ms. Remains 49 /58 variables (removed 9) and now considering 93/108 (removed 15) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 49/58 places, 93/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 93 transitions.
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 51 transition count 97
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 51 transition count 97
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 18 place count 47 transition count 89
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 47 transition count 89
Applied a total of 22 rules in 5 ms. Remains 47 /58 variables (removed 11) and now considering 89/108 (removed 19) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5 ms. Remains : 47/58 places, 89/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 89 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 56 transition count 92
Reduce places removed 15 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 41 transition count 91
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 33 place count 40 transition count 91
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 33 place count 40 transition count 84
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 47 place count 33 transition count 84
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 54 place count 26 transition count 73
Iterating global reduction 3 with 7 rules applied. Total rules applied 61 place count 26 transition count 73
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 65 place count 22 transition count 65
Iterating global reduction 3 with 4 rules applied. Total rules applied 69 place count 22 transition count 65
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 76 place count 22 transition count 58
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 4 with 22 rules applied. Total rules applied 98 place count 22 transition count 36
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 106 place count 18 transition count 32
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 110 place count 14 transition count 28
Applied a total of 110 rules in 19 ms. Remains 14 /58 variables (removed 44) and now considering 28/108 (removed 80) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 19 ms. Remains : 14/58 places, 28/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 1 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 2 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 28 transitions.
Starting structural reductions in LTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 53 transition count 100
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 53 transition count 100
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 51 transition count 96
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 51 transition count 96
Applied a total of 14 rules in 4 ms. Remains 51 /58 variables (removed 7) and now considering 96/108 (removed 12) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 51/58 places, 96/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 6 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 96 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 56 transition count 97
Reduce places removed 10 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 11 rules applied. Total rules applied 22 place count 46 transition count 96
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 23 place count 45 transition count 96
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 23 place count 45 transition count 91
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 33 place count 40 transition count 91
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 40 place count 33 transition count 80
Iterating global reduction 3 with 7 rules applied. Total rules applied 47 place count 33 transition count 80
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 50 place count 30 transition count 74
Iterating global reduction 3 with 3 rules applied. Total rules applied 53 place count 30 transition count 74
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 56 place count 30 transition count 71
Drop transitions removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 4 with 22 rules applied. Total rules applied 78 place count 30 transition count 49
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 79 place count 30 transition count 48
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 80 place count 29 transition count 48
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 6 with 6 rules applied. Total rules applied 86 place count 26 transition count 45
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 6 with 3 rules applied. Total rules applied 89 place count 23 transition count 42
Applied a total of 89 rules in 24 ms. Remains 23 /58 variables (removed 35) and now considering 42/108 (removed 66) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 24 ms. Remains : 23/58 places, 42/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 2 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 2 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 42 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 58/58 places, 108/108 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 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 0 with 15 rules applied. Total rules applied 15 place count 56 transition count 93
Reduce places removed 14 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 15 rules applied. Total rules applied 30 place count 42 transition count 92
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 41 transition count 92
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 31 place count 41 transition count 84
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 47 place count 33 transition count 84
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 54 place count 26 transition count 73
Iterating global reduction 3 with 7 rules applied. Total rules applied 61 place count 26 transition count 73
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 65 place count 22 transition count 65
Iterating global reduction 3 with 4 rules applied. Total rules applied 69 place count 22 transition count 65
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 84 place count 22 transition count 50
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 4 with 16 rules applied. Total rules applied 100 place count 22 transition count 34
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 108 place count 18 transition count 30
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 109 place count 18 transition count 30
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 113 place count 14 transition count 26
Applied a total of 113 rules in 19 ms. Remains 14 /58 variables (removed 44) and now considering 26/108 (removed 82) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 19 ms. Remains : 14/58 places, 26/108 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 1 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 2 ms
[2023-03-23 06:01:29] [INFO ] Input system was already deterministic with 26 transitions.
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 7 ms
[2023-03-23 06:01:29] [INFO ] Flatten gal took : 7 ms
[2023-03-23 06:01:29] [INFO ] Export to MCC of 9 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2023-03-23 06:01:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 58 places, 108 transitions and 462 arcs took 2 ms.
Total runtime 3560 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=CTLCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: Petri
(NrP: 58 NrTr: 108 NrArc: 462)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.002sec

net check time: 0m 0.000sec

init dd package: 0m 3.535sec


RS generation: 0m 0.042sec


-> reachability set: #nodes 1506 (1.5e+03) #states 977



starting MCC model checker
--------------------------

checking: AF [AG [[p38<=1 & 1<=p38]]]
normalized: ~ [EG [E [true U ~ [[p38<=1 & 1<=p38]]]]]

abstracting: (1<=p38)
states: 1
abstracting: (p38<=1)
states: 977

EG iterations: 0
-> the formula is FALSE

FORMULA StigmergyElection-PT-04a-CTLCardinality-15 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.026sec

checking: EG [[[p21<=0 & 0<=p21] | [p53<=1 & 1<=p53]]]
normalized: EG [[[p21<=0 & 0<=p21] | [p53<=1 & 1<=p53]]]

abstracting: (1<=p53)
states: 1
abstracting: (p53<=1)
states: 977
abstracting: (0<=p21)
states: 977
abstracting: (p21<=0)
states: 913
.
EG iterations: 1
-> the formula is TRUE

FORMULA StigmergyElection-PT-04a-CTLCardinality-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.022sec

checking: ~ [A [AX [~ [E [EX [[p41<=0 & 0<=p41]] U EG [[p0<=1 & 1<=p0]]]]] U EF [~ [[[p11<=0 & 0<=p11] | [p43<=1 & 1<=p43]]]]]]
normalized: ~ [[~ [EG [~ [E [true U ~ [[[p43<=1 & 1<=p43] | [p11<=0 & 0<=p11]]]]]]] & ~ [E [~ [E [true U ~ [[[p43<=1 & 1<=p43] | [p11<=0 & 0<=p11]]]]] U [EX [E [EX [[p41<=0 & 0<=p41]] U EG [[p0<=1 & 1<=p0]]]] & ~ [E [true U ~ [[[p43<=1 & 1<=p43] | [p11<=0 & 0<=p11]]]]]]]]]]

abstracting: (0<=p11)
states: 977
abstracting: (p11<=0)
states: 976
abstracting: (1<=p43)
states: 125
abstracting: (p43<=1)
states: 977
abstracting: (1<=p0)
states: 1
abstracting: (p0<=1)
states: 977
..
EG iterations: 2
abstracting: (0<=p41)
states: 977
abstracting: (p41<=0)
states: 950
..abstracting: (0<=p11)
states: 977
abstracting: (p11<=0)
states: 976
abstracting: (1<=p43)
states: 125
abstracting: (p43<=1)
states: 977
abstracting: (0<=p11)
states: 977
abstracting: (p11<=0)
states: 976
abstracting: (1<=p43)
states: 125
abstracting: (p43<=1)
states: 977
.
EG iterations: 1
-> the formula is FALSE

FORMULA StigmergyElection-PT-04a-CTLCardinality-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.046sec

checking: ~ [E [[[p26<=0 & 0<=p26] | [p46<=1 & 1<=p46]] U ~ [[EG [EX [[[p54<=0 & 0<=p54] | [p37<=1 & 1<=p37]]]] & EG [AG [[p24<=0 & 0<=p24]]]]]]]
normalized: ~ [E [[[p46<=1 & 1<=p46] | [p26<=0 & 0<=p26]] U ~ [[EG [~ [E [true U ~ [[p24<=0 & 0<=p24]]]]] & EG [EX [[[p37<=1 & 1<=p37] | [p54<=0 & 0<=p54]]]]]]]]

abstracting: (0<=p54)
states: 977
abstracting: (p54<=0)
states: 751
abstracting: (1<=p37)
states: 1
abstracting: (p37<=1)
states: 977
..........
EG iterations: 9
abstracting: (0<=p24)
states: 977
abstracting: (p24<=0)
states: 976
.
EG iterations: 1
abstracting: (0<=p26)
states: 977
abstracting: (p26<=0)
states: 751
abstracting: (1<=p46)
states: 125
abstracting: (p46<=1)
states: 977
-> the formula is FALSE

FORMULA StigmergyElection-PT-04a-CTLCardinality-09 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.034sec

checking: EG [[AG [E [[[[p33<=1 & 1<=p33] | [p56<=1 & 1<=p56]] & AG [[p39<=1 & 1<=p39]]] U EF [[p14<=0 & 0<=p14]]]] | [[p51<=0 & 0<=p51] | [p20<=1 & 1<=p20]]]]
normalized: EG [[[[p20<=1 & 1<=p20] | [p51<=0 & 0<=p51]] | ~ [E [true U ~ [E [[~ [E [true U ~ [[p39<=1 & 1<=p39]]]] & [[p56<=1 & 1<=p56] | [p33<=1 & 1<=p33]]] U E [true U [p14<=0 & 0<=p14]]]]]]]]

abstracting: (0<=p14)
states: 977
abstracting: (p14<=0)
states: 950
abstracting: (1<=p33)
states: 64
abstracting: (p33<=1)
states: 977
abstracting: (1<=p56)
states: 27
abstracting: (p56<=1)
states: 977
abstracting: (1<=p39)
states: 1
abstracting: (p39<=1)
states: 977
abstracting: (0<=p51)
states: 977
abstracting: (p51<=0)
states: 976
abstracting: (1<=p20)
states: 64
abstracting: (p20<=1)
states: 977

EG iterations: 0
-> the formula is TRUE

FORMULA StigmergyElection-PT-04a-CTLCardinality-03 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.006sec

checking: [AX [EX [[p14<=1 & 1<=p14]]] & EG [[AG [[p33<=0 & 0<=p33]] | [[[p20<=1 & 1<=p20] | [[p40<=0 & 0<=p40] | [p38<=1 & 1<=p38]]] & EG [[p22<=0 & 0<=p22]]]]]]
normalized: [EG [[[EG [[p22<=0 & 0<=p22]] & [[[p38<=1 & 1<=p38] | [p40<=0 & 0<=p40]] | [p20<=1 & 1<=p20]]] | ~ [E [true U ~ [[p33<=0 & 0<=p33]]]]]] & ~ [EX [~ [EX [[p14<=1 & 1<=p14]]]]]]

abstracting: (1<=p14)
states: 27
abstracting: (p14<=1)
states: 977
..abstracting: (0<=p33)
states: 977
abstracting: (p33<=0)
states: 913
abstracting: (1<=p20)
states: 64
abstracting: (p20<=1)
states: 977
abstracting: (0<=p40)
states: 977
abstracting: (p40<=0)
states: 751
abstracting: (1<=p38)
states: 1
abstracting: (p38<=1)
states: 977
abstracting: (0<=p22)
states: 977
abstracting: (p22<=0)
states: 976
.
EG iterations: 1
..........
EG iterations: 10
-> the formula is FALSE

FORMULA StigmergyElection-PT-04a-CTLCardinality-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.046sec

checking: AG [E [[AG [~ [[p55<=0 & 0<=p55]]] & [~ [EF [[p9<=1 & 1<=p9]]] | [[p48<=0 & 0<=p48] | [p32<=1 & 1<=p32]]]] U EG [EF [[[p45<=0 & 0<=p45] | [p54<=1 & 1<=p54]]]]]]
normalized: ~ [E [true U ~ [E [[[[[p32<=1 & 1<=p32] | [p48<=0 & 0<=p48]] | ~ [E [true U [p9<=1 & 1<=p9]]]] & ~ [E [true U [p55<=0 & 0<=p55]]]] U EG [E [true U [[p54<=1 & 1<=p54] | [p45<=0 & 0<=p45]]]]]]]]

abstracting: (0<=p45)
states: 977
abstracting: (p45<=0)
states: 852
abstracting: (1<=p54)
states: 226
abstracting: (p54<=1)
states: 977

EG iterations: 0
abstracting: (0<=p55)
states: 977
abstracting: (p55<=0)
states: 950
abstracting: (1<=p9)
states: 1
abstracting: (p9<=1)
states: 977
abstracting: (0<=p48)
states: 977
abstracting: (p48<=0)
states: 913
abstracting: (1<=p32)
states: 125
abstracting: (p32<=1)
states: 977
-> the formula is TRUE

FORMULA StigmergyElection-PT-04a-CTLCardinality-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.016sec

checking: EG [EF [[AX [[[p13<=0 & 0<=p13] & [p2<=1 & 1<=p2]]] & [AG [EF [[[0<=p33 & p33<=0] | [p13<=1 & 1<=p13]]]] | EX [[[[p33<=0 & 0<=p33] | [p22<=1 & 1<=p22]] & [p2<=0 & 0<=p2]]]]]]]
normalized: EG [E [true U [[EX [[[p2<=0 & 0<=p2] & [[p22<=1 & 1<=p22] | [p33<=0 & 0<=p33]]]] | ~ [E [true U ~ [E [true U [[p13<=1 & 1<=p13] | [0<=p33 & p33<=0]]]]]]] & ~ [EX [~ [[[p2<=1 & 1<=p2] & [p13<=0 & 0<=p13]]]]]]]]

abstracting: (0<=p13)
states: 977
abstracting: (p13<=0)
states: 950
abstracting: (1<=p2)
states: 125
abstracting: (p2<=1)
states: 977
.abstracting: (p33<=0)
states: 913
abstracting: (0<=p33)
states: 977
abstracting: (1<=p13)
states: 27
abstracting: (p13<=1)
states: 977
abstracting: (0<=p33)
states: 977
abstracting: (p33<=0)
states: 913
abstracting: (1<=p22)
states: 1
abstracting: (p22<=1)
states: 977
abstracting: (0<=p2)
states: 977
abstracting: (p2<=0)
states: 852
..
EG iterations: 1
-> the formula is TRUE

FORMULA StigmergyElection-PT-04a-CTLCardinality-01 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.049sec

checking: [EX [[[[[AG [[~ [[p53<=0 & 0<=p53]] & ~ [[p30<=1 & 1<=p30]]]] | [[p46<=0 & 0<=p46] | [p7<=1 & 1<=p7]]] & EF [[[p33<=0 & 0<=p33] & [p22<=1 & 1<=p22]]]] | EF [[[[p0<=0 & 0<=p0] | [p54<=1 & 1<=p54]] & [p15<=1 & 1<=p15]]]] | [AF [[p31<=0 & 0<=p31]] | [[p9<=0 & 0<=p9] | [p51<=1 & 1<=p51]]]]] | EX [[p1<=0 & 0<=p1]]]
normalized: [EX [[p1<=0 & 0<=p1]] | EX [[[[[p51<=1 & 1<=p51] | [p9<=0 & 0<=p9]] | ~ [EG [~ [[p31<=0 & 0<=p31]]]]] | [E [true U [[p15<=1 & 1<=p15] & [[p54<=1 & 1<=p54] | [p0<=0 & 0<=p0]]]] | [E [true U [[p22<=1 & 1<=p22] & [p33<=0 & 0<=p33]]] & [[[p7<=1 & 1<=p7] | [p46<=0 & 0<=p46]] | ~ [E [true U ~ [[~ [[p30<=1 & 1<=p30]] & ~ [[p53<=0 & 0<=p53]]]]]]]]]]]]

abstracting: (0<=p53)
states: 977
abstracting: (p53<=0)
states: 976
abstracting: (1<=p30)
states: 125
abstracting: (p30<=1)
states: 977
abstracting: (0<=p46)
states: 977
abstracting: (p46<=0)
states: 852
abstracting: (1<=p7)
states: 64
abstracting: (p7<=1)
states: 977
abstracting: (0<=p33)
states: 977
abstracting: (p33<=0)
states: 913
abstracting: (1<=p22)
states: 1
abstracting: (p22<=1)
states: 977
abstracting: (0<=p0)
states: 977
abstracting: (p0<=0)
states: 976
abstracting: (1<=p54)
states: 226
abstracting: (p54<=1)
states: 977
abstracting: (1<=p15)
states: 125
abstracting: (p15<=1)
states: 977
abstracting: (0<=p31)
states: 977
abstracting: (p31<=0)
states: 852
..
EG iterations: 2
abstracting: (0<=p9)
states: 977
abstracting: (p9<=0)
states: 976
abstracting: (1<=p51)
states: 1
abstracting: (p51<=1)
states: 977
.abstracting: (0<=p1)
states: 977
abstracting: (p1<=0)
states: 852
.-> the formula is TRUE

FORMULA StigmergyElection-PT-04a-CTLCardinality-05 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.039sec

totally nodes used: 131761 (1.3e+05)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 179788 648441 828229
used/not used/entry size/cache size: 757996 66350868 16 1024MB
basic ops cache: hits/miss/sum: 44158 139322 183480
used/not used/entry size/cache size: 210574 16566642 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 1827 7259 9086
used/not used/entry size/cache size: 7259 8381349 32 256MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 66983859
1 118698
2 5870
3 425
4 12
5 0
6 0
7 0
8 0
9 0
>= 10 0

Total processing time: 0m 5.433sec


BK_STOP 1679551296835

--------------------
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 CTLCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.000sec


iterations count:2786 (25), effective:92 (0)

initing FirstDep: 0m 0.000sec


iterations count:112 (1), effective:1 (0)

iterations count:1626 (15), effective:49 (0)

iterations count:1626 (15), effective:49 (0)

iterations count:1626 (15), effective:49 (0)

iterations count:1628 (15), effective:49 (0)

iterations count:108 (1), effective:0 (0)

iterations count:109 (1), effective:1 (0)

iterations count:113 (1), effective:1 (0)

iterations count:108 (1), effective:0 (0)

iterations count:1579 (14), effective:49 (0)

iterations count:109 (1), effective:1 (0)

iterations count:169 (1), effective:1 (0)

iterations count:1593 (14), effective:49 (0)

iterations count:108 (1), effective:0 (0)

iterations count:136 (1), effective:1 (0)

iterations count:1969 (18), effective:61 (0)

iterations count:113 (1), effective:1 (0)

iterations count:1634 (15), effective:50 (0)

iterations count:1523 (14), effective:49 (0)

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="StigmergyElection-PT-04a"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is StigmergyElection-PT-04a, 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 r458-smll-167912650500585"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyElection-PT-04a.tgz
mv StigmergyElection-PT-04a 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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;