Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2022-input.r204-oct2-165281599400564.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is SharedMemory-COL-000020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r204-oct2-165281599400564
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 288K
-rw-r--r-- 1 mcc users 7.7K Apr 30 10:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Apr 30 10:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Apr 30 10:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 80K Apr 30 10:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 9 08:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 9 08:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 9 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 08:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_pt
-rw-r--r-- 1 mcc users 7 May 10 09:34 instance
-rw-r--r-- 1 mcc users 5 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 13K May 10 09:34 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 SharedMemory-COL-000020-LTLFireability-00
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-01
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-02
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-03
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-04
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-05
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-06
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-07
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-08
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-09
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-10
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-11
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-12
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-13
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-14
FORMULA_NAME SharedMemory-COL-000020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1652977869135

Running Version 202205111006
[2022-05-19 16:31:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-19 16:31:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-19 16:31:10] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2022-05-19 16:31:10] [WARNING] Using fallBack plugin, rng conformance not checked
[2022-05-19 16:31:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 568 ms
[2022-05-19 16:31:11] [INFO ] Imported 6 HL places and 5 HL transitions for a total of 481 PT places and 1240.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2022-05-19 16:31:11] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 16 arcs in 12 ms.
[2022-05-19 16:31:11] [INFO ] Skeletonized 16 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
FORMULA SharedMemory-COL-000020-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 5 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Finished random walk after 64 steps, including 0 resets, run visited all 3 properties in 8 ms. (steps per millisecond=8 )
[2022-05-19 16:31:11] [INFO ] Flatten gal took : 15 ms
[2022-05-19 16:31:11] [INFO ] Flatten gal took : 1 ms
Domain [P(20), P(20)] of place Ext_Mem_Acc breaks symmetries in sort P
[2022-05-19 16:31:11] [INFO ] Unfolded HLPN to a Petri net with 481 places and 840 transitions 3280 arcs in 31 ms.
[2022-05-19 16:31:11] [INFO ] Unfolded 15 HLPN properties in 2 ms.
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 20 transitions.
FORMULA SharedMemory-COL-000020-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000020-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000020-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000020-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 461 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 20 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:11] [INFO ] Computed 41 place invariants in 31 ms
[2022-05-19 16:31:11] [INFO ] Implicit Places using invariants in 240 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:11] [INFO ] Computed 41 place invariants in 13 ms
[2022-05-19 16:31:12] [INFO ] Implicit Places using invariants and state equation in 527 ms returned []
Implicit Place search using SMT with State Equation took 793 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:12] [INFO ] Computed 41 place invariants in 6 ms
[2022-05-19 16:31:12] [INFO ] Dead Transitions using invariants and state equation in 455 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Support contains 461 out of 461 places after structural reductions.
[2022-05-19 16:31:12] [INFO ] Flatten gal took : 78 ms
[2022-05-19 16:31:13] [INFO ] Flatten gal took : 83 ms
[2022-05-19 16:31:13] [INFO ] Input system was already deterministic with 820 transitions.
Finished random walk after 82 steps, including 0 resets, run visited all 6 properties in 12 ms. (steps per millisecond=6 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(G(X(!p0))) U !X(p0))))'
Support contains 41 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 32 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:13] [INFO ] Computed 41 place invariants in 9 ms
[2022-05-19 16:31:13] [INFO ] Implicit Places using invariants in 73 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:13] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:14] [INFO ] Implicit Places using invariants and state equation in 258 ms returned []
Implicit Place search using SMT with State Equation took 332 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:14] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:14] [INFO ] Dead Transitions using invariants and state equation in 262 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 238 ms :[true, p0, p0, p0]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=p0, acceptance={} source=3 dest: 1}, { cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=2, aps=[p0:(OR (AND (GEQ s31 1) (GEQ s49 1) (GEQ s460 1)) (AND (GEQ s24 1) (GEQ s59 1) (GEQ s460 1)) (AND (GEQ s32 1) (GEQ s46 1) (GEQ s460 1)) (AND (GEQ s33 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]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 2 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-02 finished in 935 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 61 out of 461 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 45 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:14] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:14] [INFO ] Implicit Places using invariants in 80 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:14] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:15] [INFO ] Implicit Places using invariants and state equation in 239 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
[2022-05-19 16:31:15] [INFO ] Redundant transitions in 41 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:15] [INFO ] Computed 41 place invariants in 13 ms
[2022-05-19 16:31:15] [INFO ] Dead Transitions using invariants and state equation in 292 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s31 1) (GEQ s49 1) (GEQ s460 1)) (AND (GEQ s24 1) (GEQ s59 1) (GEQ s460 1)) (AND (GEQ s32 1) (GEQ s46 1) (GEQ s460 1)) (AND (GEQ s33 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]]
Product exploration explored 100000 steps with 50000 reset in 1227 ms.
Product exploration explored 100000 steps with 50000 reset in 1184 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 96 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 0 edges and 0 AP.
FORMULA SharedMemory-COL-000020-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SharedMemory-COL-000020-LTLFireability-04 finished in 3285 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(X(p0))))'
Support contains 40 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 24 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:18] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:18] [INFO ] Implicit Places using invariants in 141 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:18] [INFO ] Computed 41 place invariants in 6 ms
[2022-05-19 16:31:18] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 452 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:18] [INFO ] Computed 41 place invariants in 8 ms
[2022-05-19 16:31:18] [INFO ] Dead Transitions using invariants and state equation in 343 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-05 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:(OR (AND (GEQ s1 1) (GEQ s41 1)) (AND (GEQ s3 1) (GEQ s43 1)) (AND (GEQ s5 1) (GEQ s45 1)) (AND (GEQ s7 1) (GEQ s47 1)) (AND (GEQ s9 1) (GEQ s49 1)) (A...], 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]]
Entered a terminal (fully accepting) state of product in 79 steps with 0 reset in 5 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-05 finished in 974 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!((p0 U p1) U p2))))'
Support contains 81 out of 461 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 23 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:19] [INFO ] Computed 41 place invariants in 32 ms
[2022-05-19 16:31:19] [INFO ] Implicit Places using invariants in 140 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:19] [INFO ] Computed 41 place invariants in 8 ms
[2022-05-19 16:31:19] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 407 ms to find 0 implicit places.
[2022-05-19 16:31:19] [INFO ] Redundant transitions in 58 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:19] [INFO ] Computed 41 place invariants in 10 ms
[2022-05-19 16:31:19] [INFO ] Dead Transitions using invariants and state equation in 302 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 147 ms :[p2, p2, (AND p1 p2)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR p1 p2), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p2)), acceptance={0} source=1 dest: 1}, { cond=p2, acceptance={0, 1} source=1 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}], [{ cond=(AND p1 (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(AND p1 p2), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1) p2), acceptance={1} source=2 dest: 2}]], initial=0, aps=[p1:(OR (GEQ s65 1) (GEQ s64 1) (GEQ s67 1) (GEQ s66 1) (GEQ s69 1) (GEQ s68 1) (GEQ s71 1) (GEQ s70 1) (GEQ s73 1) (GEQ s72 1) (GEQ s75 1) (GEQ s74 1) (GE...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 683 reset in 4180 ms.
Stack based approach found an accepted trace after 67 steps with 0 reset with depth 68 and stack size 68 in 3 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-06 finished in 5171 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(!p0)&&!p1) U G(X(p0)))))'
Support contains 421 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 11 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:24] [INFO ] Computed 41 place invariants in 4 ms
[2022-05-19 16:31:24] [INFO ] Implicit Places using invariants in 96 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:24] [INFO ] Computed 41 place invariants in 6 ms
[2022-05-19 16:31:24] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 532 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:24] [INFO ] Computed 41 place invariants in 6 ms
[2022-05-19 16:31:25] [INFO ] Dead Transitions using invariants and state equation in 550 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 154 ms :[(NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=p1, acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (GEQ s128 1) (GEQ s252 1) (GEQ s376 1) (GEQ s314 1) (GEQ s190 1) (GEQ s438 1) (GEQ s143 1) (GEQ s267 1) (GEQ s391 1) (GEQ s81 1) (GEQ s329 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-07 finished in 1276 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(X(((G(p0) U !p1) U (X(G(p1))||F(p2)))))))'
Support contains 441 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 6 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:25] [INFO ] Computed 41 place invariants in 32 ms
[2022-05-19 16:31:25] [INFO ] Implicit Places using invariants in 125 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:25] [INFO ] Computed 41 place invariants in 5 ms
[2022-05-19 16:31:25] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 414 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:25] [INFO ] Computed 41 place invariants in 5 ms
[2022-05-19 16:31:26] [INFO ] Dead Transitions using invariants and state equation in 302 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 354 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p2) p1 p0), acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p2) p1 p0), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p2) p1 p0), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p2) p1), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={} source=5 dest: 6}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={} source=5 dest: 7}], [{ cond=(NOT p2), acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=7 dest: 6}, { cond=(AND (NOT p2) p0), acceptance={} source=7 dest: 7}]], initial=0, aps=[p2:(OR (AND (GEQ s31 1) (GEQ s49 1) (GEQ s460 1)) (AND (GEQ s24 1) (GEQ s59 1) (GEQ s460 1)) (AND (GEQ s32 1) (GEQ s46 1) (GEQ s460 1)) (AND (GEQ s33 1) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 12817 reset in 3295 ms.
Stack based approach found an accepted trace after 1552 steps with 189 reset with depth 6 and stack size 6 in 54 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-08 finished in 4459 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))||F(p1))))'
Support contains 61 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 7 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:29] [INFO ] Computed 41 place invariants in 17 ms
[2022-05-19 16:31:30] [INFO ] Implicit Places using invariants in 141 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:30] [INFO ] Computed 41 place invariants in 5 ms
[2022-05-19 16:31:30] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:30] [INFO ] Computed 41 place invariants in 5 ms
[2022-05-19 16:31:30] [INFO ] Dead Transitions using invariants and state equation in 311 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 140 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (GEQ s65 1) (GEQ s64 1) (GEQ s67 1) (GEQ s66 1) (GEQ s69 1) (GEQ s68 1) (GEQ s71 1) (GEQ s70 1) (GEQ s73 1) (GEQ s72 1) (GEQ s75 1) (GEQ s74 1) (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 476 ms.
Product exploration explored 100000 steps with 50000 reset in 486 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p1)
Knowledge based reduction with 4 factoid took 82 ms. Reduced automaton from 4 states, 5 edges and 2 AP to 1 states, 0 edges and 0 AP.
FORMULA SharedMemory-COL-000020-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SharedMemory-COL-000020-LTLFireability-10 finished in 1923 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(F(X((F(p0)&&(G(X(!p0))||X(p0))))))))'
Support contains 20 out of 461 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 45 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:31] [INFO ] Computed 41 place invariants in 10 ms
[2022-05-19 16:31:32] [INFO ] Implicit Places using invariants in 122 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:32] [INFO ] Computed 41 place invariants in 6 ms
[2022-05-19 16:31:32] [INFO ] Implicit Places using invariants and state equation in 518 ms returned []
Implicit Place search using SMT with State Equation took 658 ms to find 0 implicit places.
[2022-05-19 16:31:32] [INFO ] Redundant transitions in 6 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:32] [INFO ] Computed 41 place invariants in 9 ms
[2022-05-19 16:31:32] [INFO ] Dead Transitions using invariants and state equation in 280 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (LT s65 1) (LT s64 1) (LT s67 1) (LT s66 1) (LT s69 1) (LT s68 1) (LT s71 1) (LT s70 1) (LT s73 1) (LT s72 1) (LT s75 1) (LT s74 1) (LT s77 1) (LT...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1509 reset in 834 ms.
Stack based approach found an accepted trace after 49 steps with 0 reset with depth 50 and stack size 50 in 1 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-11 finished in 1935 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(F(p0))))'
Support contains 380 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 4 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:33] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:34] [INFO ] Implicit Places using invariants in 219 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:34] [INFO ] Computed 41 place invariants in 11 ms
[2022-05-19 16:31:34] [INFO ] Implicit Places using invariants and state equation in 529 ms returned []
Implicit Place search using SMT with State Equation took 755 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:34] [INFO ] Computed 41 place invariants in 10 ms
[2022-05-19 16:31:35] [INFO ] Dead Transitions using invariants and state equation in 555 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (GEQ s128 1) (GEQ s252 1) (GEQ s376 1) (GEQ s314 1) (GEQ s190 1) (GEQ s438 1) (GEQ s143 1) (GEQ s267 1) (GEQ s391 1) (GEQ s81 1) (GEQ s329 1) (GEQ ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 18374 reset in 1212 ms.
Stack based approach found an accepted trace after 499 steps with 92 reset with depth 3 and stack size 3 in 6 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-12 finished in 2633 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 20 out of 461 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 32 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:36] [INFO ] Computed 41 place invariants in 23 ms
[2022-05-19 16:31:36] [INFO ] Implicit Places using invariants in 132 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:36] [INFO ] Computed 41 place invariants in 10 ms
[2022-05-19 16:31:37] [INFO ] Implicit Places using invariants and state equation in 514 ms returned []
Implicit Place search using SMT with State Equation took 653 ms to find 0 implicit places.
[2022-05-19 16:31:37] [INFO ] Redundant transitions in 5 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:37] [INFO ] Computed 41 place invariants in 4 ms
[2022-05-19 16:31:37] [INFO ] Dead Transitions using invariants and state equation in 317 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (GEQ s65 1) (GEQ s64 1) (GEQ s67 1) (GEQ s66 1) (GEQ s69 1) (GEQ s68 1) (GEQ s71 1) (GEQ s70 1) (GEQ s73 1) (GEQ s72 1) (GEQ s75 1) (GEQ s74 1) (GE...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 2684 ms.
Stack based approach found an accepted trace after 87 steps with 0 reset with depth 88 and stack size 87 in 1 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-14 finished in 3773 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X((G(p1)||p0))))'
Support contains 20 out of 461 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 461/461 places, 820/820 transitions.
Applied a total of 0 rules in 15 ms. Remains 461 /461 variables (removed 0) and now considering 820/820 (removed 0) transitions.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:40] [INFO ] Computed 41 place invariants in 5 ms
[2022-05-19 16:31:40] [INFO ] Implicit Places using invariants in 114 ms returned []
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:40] [INFO ] Computed 41 place invariants in 7 ms
[2022-05-19 16:31:40] [INFO ] Implicit Places using invariants and state equation in 268 ms returned []
Implicit Place search using SMT with State Equation took 409 ms to find 0 implicit places.
// Phase 1: matrix 820 rows 461 cols
[2022-05-19 16:31:40] [INFO ] Computed 41 place invariants in 4 ms
[2022-05-19 16:31:40] [INFO ] Dead Transitions using invariants and state equation in 249 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 461/461 places, 820/820 transitions.
Stuttering acceptance computed with spot in 108 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SharedMemory-COL-000020-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (GEQ s65 1) (GEQ s64 1) (GEQ s67 1) (GEQ s66 1) (GEQ s69 1) (GEQ s68 1) (GEQ s71 1) (GEQ s70 1) (GEQ s73 1) (GEQ s72 1) (GEQ s75 1) (GEQ s74 1) (GE...], 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]]
Entered a terminal (fully accepting) state of product in 55 steps with 0 reset in 1 ms.
FORMULA SharedMemory-COL-000020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000020-LTLFireability-15 finished in 803 ms.
All properties solved by simple procedures.
Total runtime 30682 ms.

BK_STOP 1652977901097

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="SharedMemory-COL-000020"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is SharedMemory-COL-000020, 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 r204-oct2-165281599400564"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-000020.tgz
mv SharedMemory-COL-000020 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 ;