About the Execution of LTSMin+red for DNAwalker-PT-11ringRR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 272.304 | 15963.00 | 23060.00 | 440.40 | FTTFFFFFFFFTFTFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r105-tall-167814481900955.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DNAwalker-PT-11ringRR, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r105-tall-167814481900955
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 6.2K Feb 25 12:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 25 12:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 12:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 12:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 25 13:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 13:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 13:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 112K Mar 5 18:22 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-00
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-01
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-02
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-03
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-04
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-05
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-06
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-07
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-08
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-09
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-10
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-11
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-12
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-13
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-14
FORMULA_NAME DNAwalker-PT-11ringRR-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1678404611225
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-11ringRR
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-09 23:30:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-09 23:30:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 23:30:12] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2023-03-09 23:30:12] [INFO ] Transformed 27 places.
[2023-03-09 23:30:12] [INFO ] Transformed 260 transitions.
[2023-03-09 23:30:12] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 280 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 12 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:13] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2023-03-09 23:30:13] [INFO ] Computed 0 place invariants in 18 ms
[2023-03-09 23:30:13] [INFO ] Dead Transitions using invariants and state equation in 247 ms found 0 transitions.
[2023-03-09 23:30:13] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:13] [INFO ] Invariant cache hit.
[2023-03-09 23:30:13] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-09 23:30:13] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:13] [INFO ] Invariant cache hit.
[2023-03-09 23:30:13] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:13] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2023-03-09 23:30:13] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:13] [INFO ] Invariant cache hit.
[2023-03-09 23:30:13] [INFO ] Dead Transitions using invariants and state equation in 124 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 555 ms. Remains : 27/27 places, 260/260 transitions.
Support contains 24 out of 27 places after structural reductions.
[2023-03-09 23:30:13] [INFO ] Flatten gal took : 37 ms
[2023-03-09 23:30:13] [INFO ] Flatten gal took : 13 ms
[2023-03-09 23:30:13] [INFO ] Input system was already deterministic with 260 transitions.
Incomplete random walk after 10000 steps, including 789 resets, run finished after 380 ms. (steps per millisecond=26 ) properties (out of 28) seen :22
Incomplete Best-First random walk after 10001 steps, including 59 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 60 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-09 23:30:14] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:14] [INFO ] Invariant cache hit.
[2023-03-09 23:30:14] [INFO ] After 295ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-09 23:30:19] [INFO ] After 4577ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :0
Fused 6 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 6 atomic propositions for a total of 13 simplifications.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 27 stabilizing places and 258 stable transitions
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 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 16 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:19] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:19] [INFO ] Invariant cache hit.
[2023-03-09 23:30:19] [INFO ] Dead Transitions using invariants and state equation in 90 ms found 0 transitions.
[2023-03-09 23:30:19] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:19] [INFO ] Invariant cache hit.
[2023-03-09 23:30:19] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-09 23:30:19] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:19] [INFO ] Invariant cache hit.
[2023-03-09 23:30:19] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:20] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
[2023-03-09 23:30:20] [INFO ] Redundant transitions in 18 ms returned []
[2023-03-09 23:30:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:20] [INFO ] Invariant cache hit.
[2023-03-09 23:30:20] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 536 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 133 ms :[p0]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ s26 s8)], 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 7 steps with 0 reset in 2 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-00 finished in 724 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' '!(G(F(p0)))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 15 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:20] [INFO ] Invariant cache hit.
[2023-03-09 23:30:20] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
[2023-03-09 23:30:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:20] [INFO ] Invariant cache hit.
[2023-03-09 23:30:20] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-09 23:30:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:20] [INFO ] Invariant cache hit.
[2023-03-09 23:30:20] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:20] [INFO ] Implicit Places using invariants and state equation in 228 ms returned []
Implicit Place search using SMT with State Equation took 273 ms to find 0 implicit places.
[2023-03-09 23:30:20] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-09 23:30:20] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:20] [INFO ] Invariant cache hit.
[2023-03-09 23:30:20] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 491 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-03 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:(OR (GT s25 s5) (GT s19 s15))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-03 finished in 596 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' '!(G(F((p0 U (p1||G(p0))))))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 14 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:21] [INFO ] Implicit Places using invariants and state equation in 266 ms returned []
Implicit Place search using SMT with State Equation took 305 ms to find 0 implicit places.
[2023-03-09 23:30:21] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] Dead Transitions using invariants and state equation in 78 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 492 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (GT s14 s22) (GT s25 s11)), p0:(GT s14 s22)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-04 finished in 583 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((p0 U p1))))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 4 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-09 23:30:21] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:21] [INFO ] Invariant cache hit.
[2023-03-09 23:30:21] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:22] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:22] [INFO ] Dead Transitions using invariants and state equation in 100 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 532 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p1:(LEQ s16 s5), p0:(LEQ s26 s7)], 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]]
Stuttering criterion allowed to conclude after 833 steps with 272 reset in 12 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-06 finished in 705 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)||X(G(p1))))'
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:22] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:22] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:22] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:22] [INFO ] Implicit Places using invariants and state equation in 308 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:22] [INFO ] Dead Transitions using invariants and state equation in 80 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 512 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 119 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ 1 s23), p1:(LEQ 2 s22)], 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][false, false, false]]
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-07 finished in 647 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((F(p1)&&X(G(p2))&&p0)))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 4 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:22] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:22] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] Dead Transitions using invariants and state equation in 91 ms found 0 transitions.
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:23] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 285 ms to find 0 implicit places.
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 466 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 180 ms :[(NOT p2), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p1)), true, (OR (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 3}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p2), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p2), acceptance={0} source=2 dest: 2}, { cond=(NOT p2), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p2:(GT s15 s2), p0:(AND (GT s15 s2) (GT s3 s26)), p1:(LEQ s3 s26)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-08 finished in 670 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((p0 U (p1||G(p0))))))'
Support contains 6 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-09 23:30:23] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:23] [INFO ] Invariant cache hit.
[2023-03-09 23:30:23] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:24] [INFO ] Implicit Places using invariants and state equation in 316 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:24] [INFO ] Dead Transitions using invariants and state equation in 88 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 525 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 157 ms :[true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(AND (NOT (AND (LEQ 2 s16) (LEQ s16 s3))) (LEQ s6 s23) (GT s4 s2)), p0:(AND (LEQ s6 s23) (GT s4 s2))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 2 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-10 finished in 698 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' '!((G(F(p0)) U p1))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 13 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:24] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:24] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:24] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:24] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
[2023-03-09 23:30:24] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:24] [INFO ] Dead Transitions using invariants and state equation in 88 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 496 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 115 ms :[(NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 1}, { cond=(NOT p1), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(LEQ s17 s15), p0:(LEQ s18 s9)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-12 finished in 628 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(G(p0)))'
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 3 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:24] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:24] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:25] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 313 ms to find 0 implicit places.
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 514 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 197 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LEQ s8 s13) (LEQ s17 s20))], 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 19 steps with 0 reset in 1 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-14 finished in 727 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 2 out of 27 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 11 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] Dead Transitions using invariants and state equation in 80 ms found 0 transitions.
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-09 23:30:25] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:25] [INFO ] Invariant cache hit.
[2023-03-09 23:30:25] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 23:30:26] [INFO ] Implicit Places using invariants and state equation in 311 ms returned []
Implicit Place search using SMT with State Equation took 348 ms to find 0 implicit places.
[2023-03-09 23:30:26] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-09 23:30:26] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 23:30:26] [INFO ] Invariant cache hit.
[2023-03-09 23:30:26] [INFO ] Dead Transitions using invariants and state equation in 91 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 538 ms. Remains : 27/27 places, 260/260 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : DNAwalker-PT-11ringRR-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ s6 s23)], 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 6 steps with 0 reset in 0 ms.
FORMULA DNAwalker-PT-11ringRR-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DNAwalker-PT-11ringRR-LTLCardinality-15 finished in 589 ms.
All properties solved by simple procedures.
Total runtime 13577 ms.
ITS solved all properties within timeout
BK_STOP 1678404627188
--------------------
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 LTLCardinality -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="DNAwalker-PT-11ringRR"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is DNAwalker-PT-11ringRR, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r105-tall-167814481900955"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-11ringRR.tgz
mv DNAwalker-PT-11ringRR execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;