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.r359-smll-167891808900396.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 lolaxred
Input is SemanticWebServices-PT-S128P12, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808900396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 6.7K Feb 26 10:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 26 10:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 26 10:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 10:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 10:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 26 10:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 10:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Feb 26 10:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 224K 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 SemanticWebServices-PT-S128P12-LTLFireability-00
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-01
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-02
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-03
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-04
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-05
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-06
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-07
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-08
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-09
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-10
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-11
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-12
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-13
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-14
FORMULA_NAME SemanticWebServices-PT-S128P12-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679094998501

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S128P12
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 23:16:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 23:16:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 23:16:42] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2023-03-17 23:16:42] [INFO ] Transformed 191 places.
[2023-03-17 23:16:42] [INFO ] Transformed 414 transitions.
[2023-03-17 23:16:42] [INFO ] Parsed PT model containing 191 places and 414 transitions and 1559 arcs in 256 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 208 transitions
Reduce redundant transitions removed 208 transitions.
Initial state reduction rules removed 2 formulas.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 5 out of 189 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 189/189 places, 204/204 transitions.
Ensure Unique test removed 31 places
Reduce places removed 120 places and 0 transitions.
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 0 with 244 rules applied. Total rules applied 244 place count 69 transition count 80
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 252 place count 61 transition count 72
Iterating global reduction 1 with 8 rules applied. Total rules applied 260 place count 61 transition count 72
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 261 place count 61 transition count 71
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 267 place count 55 transition count 65
Iterating global reduction 2 with 6 rules applied. Total rules applied 273 place count 55 transition count 65
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 278 place count 50 transition count 60
Iterating global reduction 2 with 5 rules applied. Total rules applied 283 place count 50 transition count 60
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 286 place count 47 transition count 57
Iterating global reduction 2 with 3 rules applied. Total rules applied 289 place count 47 transition count 57
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 291 place count 45 transition count 55
Iterating global reduction 2 with 2 rules applied. Total rules applied 293 place count 45 transition count 55
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 295 place count 45 transition count 53
Applied a total of 295 rules in 44 ms. Remains 45 /189 variables (removed 144) and now considering 53/204 (removed 151) transitions.
[2023-03-17 23:16:42] [INFO ] Flow matrix only has 46 transitions (discarded 7 similar events)
// Phase 1: matrix 46 rows 45 cols
[2023-03-17 23:16:42] [INFO ] Computed 2 place invariants in 7 ms
[2023-03-17 23:16:42] [INFO ] Implicit Places using invariants in 240 ms returned []
[2023-03-17 23:16:42] [INFO ] Flow matrix only has 46 transitions (discarded 7 similar events)
[2023-03-17 23:16:42] [INFO ] Invariant cache hit.
[2023-03-17 23:16:42] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-17 23:16:42] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
[2023-03-17 23:16:42] [INFO ] Flow matrix only has 46 transitions (discarded 7 similar events)
[2023-03-17 23:16:42] [INFO ] Invariant cache hit.
[2023-03-17 23:16:43] [INFO ] Dead Transitions using invariants and state equation in 79 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 45/189 places, 53/204 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 532 ms. Remains : 45/189 places, 53/204 transitions.
Support contains 5 out of 45 places after structural reductions.
[2023-03-17 23:16:43] [INFO ] Flatten gal took : 29 ms
[2023-03-17 23:16:43] [INFO ] Flatten gal took : 10 ms
[2023-03-17 23:16:43] [INFO ] Input system was already deterministic with 53 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 247 ms. (steps per millisecond=40 ) properties (out of 4) seen :3
Finished Best-First random walk after 78 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=78 )
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 3 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 53/53 transitions.
Graph (complete) has 97 edges and 45 vertex of which 39 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 37 transition count 48
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 37 transition count 48
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 7 place count 35 transition count 46
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 35 transition count 46
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 35 transition count 45
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 34 transition count 44
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 34 transition count 44
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 33 transition count 43
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 33 transition count 43
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 17 place count 33 transition count 40
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 64 edges and 32 vertex of which 31 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 31 transition count 39
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 20 place count 30 transition count 38
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 30 transition count 38
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 23 place count 28 transition count 36
Iterating global reduction 2 with 2 rules applied. Total rules applied 25 place count 28 transition count 36
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 27 place count 26 transition count 34
Iterating global reduction 2 with 2 rules applied. Total rules applied 29 place count 26 transition count 34
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 32 place count 23 transition count 31
Iterating global reduction 2 with 3 rules applied. Total rules applied 35 place count 23 transition count 31
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 38 place count 23 transition count 28
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 23 transition count 27
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 40 place count 22 transition count 27
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 41 place count 22 transition count 26
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 42 place count 21 transition count 26
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 43 place count 20 transition count 25
Iterating global reduction 5 with 1 rules applied. Total rules applied 44 place count 20 transition count 25
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 45 place count 19 transition count 24
Iterating global reduction 5 with 1 rules applied. Total rules applied 46 place count 19 transition count 24
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 47 place count 19 transition count 23
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 48 place count 19 transition count 22
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 49 place count 18 transition count 22
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 50 place count 17 transition count 21
Iterating global reduction 7 with 1 rules applied. Total rules applied 51 place count 17 transition count 21
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 52 place count 17 transition count 20
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 53 place count 17 transition count 19
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 54 place count 16 transition count 19
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 55 place count 16 transition count 18
Applied a total of 55 rules in 52 ms. Remains 16 /45 variables (removed 29) and now considering 18/53 (removed 35) transitions.
// Phase 1: matrix 18 rows 16 cols
[2023-03-17 23:16:43] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-17 23:16:43] [INFO ] Implicit Places using invariants in 48 ms returned []
[2023-03-17 23:16:43] [INFO ] Invariant cache hit.
[2023-03-17 23:16:43] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-17 23:16:43] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2023-03-17 23:16:43] [INFO ] Redundant transitions in 32 ms returned []
[2023-03-17 23:16:43] [INFO ] Invariant cache hit.
[2023-03-17 23:16:43] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/45 places, 18/53 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 241 ms. Remains : 16/45 places, 18/53 transitions.
Stuttering acceptance computed with spot in 367 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SemanticWebServices-PT-S128P12-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s4 1), p1:(OR (LT s2 1) (LT s14 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P12-LTLFireability-01 finished in 701 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 53/53 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 53
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 42 transition count 51
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 42 transition count 51
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 40 transition count 49
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 40 transition count 49
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 40 transition count 48
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 39 transition count 47
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 39 transition count 47
Applied a total of 12 rules in 7 ms. Remains 39 /45 variables (removed 6) and now considering 47/53 (removed 6) transitions.
[2023-03-17 23:16:44] [INFO ] Flow matrix only has 41 transitions (discarded 6 similar events)
// Phase 1: matrix 41 rows 39 cols
[2023-03-17 23:16:44] [INFO ] Computed 1 place invariants in 2 ms
[2023-03-17 23:16:44] [INFO ] Implicit Places using invariants in 47 ms returned []
[2023-03-17 23:16:44] [INFO ] Flow matrix only has 41 transitions (discarded 6 similar events)
[2023-03-17 23:16:44] [INFO ] Invariant cache hit.
[2023-03-17 23:16:44] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-17 23:16:44] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2023-03-17 23:16:44] [INFO ] Flow matrix only has 41 transitions (discarded 6 similar events)
[2023-03-17 23:16:44] [INFO ] Invariant cache hit.
[2023-03-17 23:16:44] [INFO ] Dead Transitions using invariants and state equation in 65 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 39/45 places, 47/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 210 ms. Remains : 39/45 places, 47/53 transitions.
Stuttering acceptance computed with spot in 207 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P12-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(GEQ s10 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P12-LTLFireability-04 finished in 437 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 53/53 transitions.
Graph (complete) has 97 edges and 45 vertex of which 39 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 35 transition count 47
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 35 transition count 47
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 7 place count 33 transition count 45
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 33 transition count 45
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 12 place count 30 transition count 42
Iterating global reduction 0 with 3 rules applied. Total rules applied 15 place count 30 transition count 42
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 18 place count 27 transition count 39
Iterating global reduction 0 with 3 rules applied. Total rules applied 21 place count 27 transition count 39
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 23 place count 25 transition count 37
Iterating global reduction 0 with 2 rules applied. Total rules applied 25 place count 25 transition count 37
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 27 place count 25 transition count 35
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 25 transition count 33
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 51 edges and 24 vertex of which 23 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 31 place count 23 transition count 32
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 22 transition count 31
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 22 transition count 31
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 34 place count 21 transition count 30
Iterating global reduction 2 with 1 rules applied. Total rules applied 35 place count 21 transition count 30
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 20 transition count 29
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 20 transition count 29
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 18 transition count 27
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 18 transition count 27
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 43 place count 18 transition count 25
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 44 place count 18 transition count 24
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 45 place count 17 transition count 24
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 46 place count 17 transition count 23
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 47 place count 16 transition count 23
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 48 place count 15 transition count 22
Iterating global reduction 5 with 1 rules applied. Total rules applied 49 place count 15 transition count 22
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 50 place count 14 transition count 21
Iterating global reduction 5 with 1 rules applied. Total rules applied 51 place count 14 transition count 21
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 52 place count 14 transition count 20
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 54 place count 14 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 55 place count 13 transition count 18
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 56 place count 12 transition count 17
Iterating global reduction 7 with 1 rules applied. Total rules applied 57 place count 12 transition count 17
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 58 place count 12 transition count 16
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 59 place count 12 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 60 place count 11 transition count 15
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 61 place count 11 transition count 14
Applied a total of 61 rules in 52 ms. Remains 11 /45 variables (removed 34) and now considering 14/53 (removed 39) transitions.
// Phase 1: matrix 14 rows 11 cols
[2023-03-17 23:16:44] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-17 23:16:44] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-17 23:16:44] [INFO ] Invariant cache hit.
[2023-03-17 23:16:44] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-17 23:16:44] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-17 23:16:44] [INFO ] Redundant transitions in 22 ms returned []
[2023-03-17 23:16:44] [INFO ] Invariant cache hit.
[2023-03-17 23:16:45] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/45 places, 14/53 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 213 ms. Remains : 11/45 places, 14/53 transitions.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P12-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P12-LTLFireability-11 finished in 279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 45/45 places, 53/53 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 44 transition count 53
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 42 transition count 51
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 42 transition count 51
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 7 place count 40 transition count 49
Iterating global reduction 1 with 2 rules applied. Total rules applied 9 place count 40 transition count 49
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 40 transition count 48
Applied a total of 10 rules in 5 ms. Remains 40 /45 variables (removed 5) and now considering 48/53 (removed 5) transitions.
[2023-03-17 23:16:45] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
// Phase 1: matrix 42 rows 40 cols
[2023-03-17 23:16:45] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-17 23:16:45] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-17 23:16:45] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2023-03-17 23:16:45] [INFO ] Invariant cache hit.
[2023-03-17 23:16:45] [INFO ] State equation strengthened by 32 read => feed constraints.
[2023-03-17 23:16:45] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
[2023-03-17 23:16:45] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2023-03-17 23:16:45] [INFO ] Invariant cache hit.
[2023-03-17 23:16:45] [INFO ] Dead Transitions using invariants and state equation in 75 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 40/45 places, 48/53 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 220 ms. Remains : 40/45 places, 48/53 transitions.
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P12-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GEQ s27 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P12-LTLFireability-13 finished in 386 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 45 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 45/45 places, 53/53 transitions.
Graph (complete) has 97 edges and 45 vertex of which 39 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Ensure Unique test removed 1 places
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 35 transition count 47
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 35 transition count 47
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 10 place count 32 transition count 44
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 32 transition count 44
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 14 place count 32 transition count 43
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 17 place count 29 transition count 40
Iterating global reduction 1 with 3 rules applied. Total rules applied 20 place count 29 transition count 40
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 26 transition count 37
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 26 transition count 37
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 24 transition count 35
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 24 transition count 35
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 32 place count 24 transition count 33
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 24 transition count 31
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 47 edges and 23 vertex of which 22 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Iterating post reduction 2 with 2 rules applied. Total rules applied 36 place count 22 transition count 30
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 37 place count 21 transition count 29
Iterating global reduction 3 with 1 rules applied. Total rules applied 38 place count 21 transition count 29
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 39 place count 20 transition count 28
Iterating global reduction 3 with 1 rules applied. Total rules applied 40 place count 20 transition count 28
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 41 place count 19 transition count 27
Iterating global reduction 3 with 1 rules applied. Total rules applied 42 place count 19 transition count 27
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 44 place count 17 transition count 25
Iterating global reduction 3 with 2 rules applied. Total rules applied 46 place count 17 transition count 25
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 48 place count 17 transition count 23
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 49 place count 17 transition count 22
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 50 place count 16 transition count 22
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 51 place count 16 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 52 place count 15 transition count 21
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 53 place count 14 transition count 20
Iterating global reduction 6 with 1 rules applied. Total rules applied 54 place count 14 transition count 20
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 55 place count 13 transition count 19
Iterating global reduction 6 with 1 rules applied. Total rules applied 56 place count 13 transition count 19
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 57 place count 13 transition count 18
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 58 place count 13 transition count 17
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 59 place count 12 transition count 17
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 60 place count 11 transition count 16
Iterating global reduction 8 with 1 rules applied. Total rules applied 61 place count 11 transition count 16
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 62 place count 11 transition count 15
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 63 place count 11 transition count 14
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 64 place count 10 transition count 14
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 65 place count 10 transition count 13
Applied a total of 65 rules in 47 ms. Remains 10 /45 variables (removed 35) and now considering 13/53 (removed 40) transitions.
// Phase 1: matrix 13 rows 10 cols
[2023-03-17 23:16:45] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-17 23:16:45] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-17 23:16:45] [INFO ] Invariant cache hit.
[2023-03-17 23:16:45] [INFO ] State equation strengthened by 7 read => feed constraints.
[2023-03-17 23:16:45] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-17 23:16:45] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-17 23:16:45] [INFO ] Invariant cache hit.
[2023-03-17 23:16:45] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/45 places, 13/53 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 152 ms. Remains : 10/45 places, 13/53 transitions.
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S128P12-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SemanticWebServices-PT-S128P12-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S128P12-LTLFireability-15 finished in 205 ms.
All properties solved by simple procedures.
Total runtime 3694 ms.
ITS solved all properties within timeout

BK_STOP 1679095006631

--------------------
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 LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SemanticWebServices-PT-S128P12"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is SemanticWebServices-PT-S128P12, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r359-smll-167891808900396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S128P12.tgz
mv SemanticWebServices-PT-S128P12 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;