fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r132-tall-165271821100572
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for MAPK-PT-00080

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
240.327 6393.00 11932.00 169.20 FFFFFFFFFFFFTTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r132-tall-165271821100572.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/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 MAPK-PT-00080, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r132-tall-165271821100572
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 244K
-rw-r--r-- 1 mcc users 6.4K Apr 29 19:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Apr 29 19:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Apr 29 19:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 29 19:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 9 08:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 08:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 9 08:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 9 08:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 08:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 6 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 25K 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 MAPK-PT-00080-LTLFireability-00
FORMULA_NAME MAPK-PT-00080-LTLFireability-01
FORMULA_NAME MAPK-PT-00080-LTLFireability-02
FORMULA_NAME MAPK-PT-00080-LTLFireability-03
FORMULA_NAME MAPK-PT-00080-LTLFireability-04
FORMULA_NAME MAPK-PT-00080-LTLFireability-05
FORMULA_NAME MAPK-PT-00080-LTLFireability-06
FORMULA_NAME MAPK-PT-00080-LTLFireability-07
FORMULA_NAME MAPK-PT-00080-LTLFireability-08
FORMULA_NAME MAPK-PT-00080-LTLFireability-09
FORMULA_NAME MAPK-PT-00080-LTLFireability-10
FORMULA_NAME MAPK-PT-00080-LTLFireability-11
FORMULA_NAME MAPK-PT-00080-LTLFireability-12
FORMULA_NAME MAPK-PT-00080-LTLFireability-13
FORMULA_NAME MAPK-PT-00080-LTLFireability-14
FORMULA_NAME MAPK-PT-00080-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1652808255123

Running Version 202205111006
[2022-05-17 17:24:16] [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]
[2022-05-17 17:24:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-17 17:24:16] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2022-05-17 17:24:16] [INFO ] Transformed 22 places.
[2022-05-17 17:24:16] [INFO ] Transformed 30 transitions.
[2022-05-17 17:24:16] [INFO ] Parsed PT model containing 22 places and 30 transitions in 155 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA MAPK-PT-00080-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 16 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 9 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:16] [INFO ] Computed 7 place invariants in 10 ms
[2022-05-17 17:24:16] [INFO ] Implicit Places using invariants in 127 ms returned []
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:16] [INFO ] Computed 7 place invariants in 8 ms
[2022-05-17 17:24:16] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 216 ms to find 0 implicit places.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:16] [INFO ] Computed 7 place invariants in 2 ms
[2022-05-17 17:24:16] [INFO ] Dead Transitions using invariants and state equation in 65 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 22/22 places, 30/30 transitions.
Support contains 16 out of 22 places after structural reductions.
[2022-05-17 17:24:17] [INFO ] Flatten gal took : 210 ms
[2022-05-17 17:24:17] [INFO ] Flatten gal took : 6 ms
[2022-05-17 17:24:17] [INFO ] Input system was already deterministic with 30 transitions.
Finished random walk after 1698 steps, including 0 resets, run visited all 17 properties in 32 ms. (steps per millisecond=53 )
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' '!((F(X(F(p0)))&&F(G(X((p1 U p2))))))'
Support contains 6 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:17] [INFO ] Computed 7 place invariants in 1 ms
[2022-05-17 17:24:17] [INFO ] Implicit Places using invariants in 45 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 21/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 342 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR p2 p1), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s8 1) (GEQ s10 1) (GEQ s16 1)), p2:(AND (GEQ s3 1) (GEQ s15 1)), p1:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 60 reset in 362 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 1 ms.
FORMULA MAPK-PT-00080-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-00080-LTLFireability-00 finished in 866 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||(p1 U G(p1))||p2)))'
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:18] [INFO ] Computed 7 place invariants in 0 ms
[2022-05-17 17:24:18] [INFO ] Implicit Places using invariants in 27 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 21/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={} source=3 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s7 1) (GEQ s8 1) (GEQ s18 1)), p1:(AND (GEQ s7 1) (GEQ s8 1)), p2:(AND (GEQ s8 1) (GEQ s9 1))], 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 1273 reset in 170 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 1 ms.
FORMULA MAPK-PT-00080-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-00080-LTLFireability-02 finished in 380 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((G(p0)&&G((X(p1)&&p2))))))'
Support contains 5 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:18] [INFO ] Computed 7 place invariants in 0 ms
[2022-05-17 17:24:18] [INFO ] Implicit Places using invariants in 28 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 140 ms :[true, (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(OR (NOT p0) (NOT p2)), acceptance={} source=2 dest: 0}, { cond=(AND p0 p2), acceptance={} source=2 dest: 3}], [{ cond=(OR (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 p2 p1), acceptance={} source=3 dest: 3}]], initial=1, aps=[p0:(OR (LT s7 1) (LT s13 1)), p2:(OR (LT s7 1) (LT s13 1) (LT s15 1)), p1:(OR (LT s2 1) (LT s14 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 1 ms.
FORMULA MAPK-PT-00080-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-03 finished in 195 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(G(p0))||p1)))'
Support contains 2 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:19] [INFO ] Computed 7 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 37 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 75 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(GEQ s4 1), p0:(GEQ s11 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-00080-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-04 finished in 134 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:19] [INFO ] Computed 7 place invariants in 29 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 73 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 74 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 77 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-05 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:(LT s11 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 24 steps with 0 reset in 1 ms.
FORMULA MAPK-PT-00080-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-05 finished in 164 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||F(G(!p1))))'
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 9 rules applied. Total rules applied 9 place count 17 transition count 26
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 17 transition count 24
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 17 transition count 24
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 15 place count 17 transition count 23
Applied a total of 15 rules in 11 ms. Remains 17 /22 variables (removed 5) and now considering 23/30 (removed 7) transitions.
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 20 transitions (discarded 3 similar events)
// Phase 1: matrix 20 rows 17 cols
[2022-05-17 17:24:19] [INFO ] Computed 6 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 40 ms returned [6, 7]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 41 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/22 places, 23/30 transitions.
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 22
Applied a total of 1 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 22/23 (removed 1) transitions.
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
// Phase 1: matrix 19 rows 15 cols
[2022-05-17 17:24:19] [INFO ] Computed 4 place invariants in 5 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 41 ms returned []
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
// Phase 1: matrix 19 rows 15 cols
[2022-05-17 17:24:19] [INFO ] Computed 4 place invariants in 1 ms
[2022-05-17 17:24:19] [INFO ] State equation strengthened by 2 read => feed constraints.
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 15/22 places, 22/30 transitions.
Finished structural reductions, in 2 iterations. Remains : 15/22 places, 22/30 transitions.
Stuttering acceptance computed with spot in 116 ms :[false, p1]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=p1, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s12 1), p0:(AND (GEQ s5 1) (GEQ s10 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-00080-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-06 finished in 274 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p0)||p1))))'
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 29
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 29
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 7 rules applied. Total rules applied 10 place count 16 transition count 26
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 16 transition count 23
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 16 transition count 23
Applied a total of 14 rules in 4 ms. Remains 16 /22 variables (removed 6) and now considering 23/30 (removed 7) transitions.
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 19 transitions (discarded 4 similar events)
// Phase 1: matrix 19 rows 16 cols
[2022-05-17 17:24:19] [INFO ] Computed 5 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 27 ms returned []
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 19 transitions (discarded 4 similar events)
// Phase 1: matrix 19 rows 16 cols
[2022-05-17 17:24:19] [INFO ] Computed 5 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2022-05-17 17:24:19] [INFO ] Redundant transitions in 0 ms returned []
[2022-05-17 17:24:19] [INFO ] Flow matrix only has 19 transitions (discarded 4 similar events)
// Phase 1: matrix 19 rows 16 cols
[2022-05-17 17:24:19] [INFO ] Computed 5 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/22 places, 23/30 transitions.
Finished structural reductions, in 1 iterations. Remains : 16/22 places, 23/30 transitions.
Stuttering acceptance computed with spot in 65 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s5 1) (GEQ s6 1)), p1:(GEQ s14 1)], 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 0 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-00080-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-07 finished in 188 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U X(X(!F(p1)))))'
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:19] [INFO ] Computed 7 place invariants in 0 ms
[2022-05-17 17:24:19] [INFO ] Implicit Places using invariants in 27 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 21/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 141 ms :[p1, p1, true, p1]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=p1, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=3, aps=[p1:(AND (GEQ s7 1) (GEQ s14 1)), p0:(AND (GEQ s8 1) (GEQ s10 1))], 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 63 steps with 0 reset in 1 ms.
FORMULA MAPK-PT-00080-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-08 finished in 191 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&(p1||(F(p1)&&G(p2))))))'
Support contains 5 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:20] [INFO ] Computed 7 place invariants in 1 ms
[2022-05-17 17:24:20] [INFO ] Implicit Places using invariants in 33 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 21/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), true, (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(OR p1 p2), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={} source=5 dest: 2}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s15 1)), p2:(GEQ s4 1), p0:(AND (GEQ s8 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-00080-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-10 finished in 275 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(F(X(p0)))))'
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:20] [INFO ] Computed 7 place invariants in 1 ms
[2022-05-17 17:24:20] [INFO ] Implicit Places using invariants in 36 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 37 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 111 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(LT s12 1)], 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]]
Product exploration explored 100000 steps with 33333 reset in 157 ms.
Product exploration explored 100000 steps with 33333 reset in 91 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 : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 2 factoid took 50 ms. Reduced automaton from 3 states, 3 edges and 1 AP to 1 states, 0 edges and 0 AP.
FORMULA MAPK-PT-00080-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MAPK-PT-00080-LTLFireability-13 finished in 464 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(p1))||p0))))'
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:20] [INFO ] Computed 7 place invariants in 1 ms
[2022-05-17 17:24:20] [INFO ] Implicit Places using invariants in 24 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 21/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s7 1) (GEQ s8 1)) (AND (GEQ s7 1) (GEQ s14 1))), p1:(AND (GEQ s7 1) (GEQ s14 1))], 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 1568 reset in 154 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA MAPK-PT-00080-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-00080-LTLFireability-14 finished in 359 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(G((p0 U !(X(p1)||p2))))))'
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
// Phase 1: matrix 30 rows 22 cols
[2022-05-17 17:24:21] [INFO ] Computed 7 place invariants in 0 ms
[2022-05-17 17:24:21] [INFO ] Implicit Places using invariants in 31 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 33 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 20/22 places, 30/30 transitions.
Stuttering acceptance computed with spot in 246 ms :[(OR p2 p1), (OR p2 p1), true, p1, (OR p1 p2), p1]
Running random walk in product with property : MAPK-PT-00080-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (NOT p2) p0), acceptance={} source=1 dest: 1}, { cond=(AND p2 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 3}, { cond=(AND p2 p0), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p2) p0), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 2}], [{ cond=(AND p2 (NOT p0)), acceptance={0} source=4 dest: 2}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=4 dest: 3}, { cond=(AND p2 p0), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p2) p0), acceptance={0} source=4 dest: 5}], [{ cond=(AND p2 (NOT p0) p1), acceptance={0} source=5 dest: 2}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=5 dest: 3}, { cond=(AND p2 p0 p1), acceptance={0} source=5 dest: 4}, { cond=(AND (NOT p2) p0 p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p2:(GEQ s11 1), p0:(GEQ s15 1), p1:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 8430 steps with 2094 reset in 22 ms.
FORMULA MAPK-PT-00080-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-00080-LTLFireability-15 finished in 327 ms.
All properties solved by simple procedures.
Total runtime 5132 ms.

BK_STOP 1652808261516

--------------------
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="MAPK-PT-00080"
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 MAPK-PT-00080, 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 r132-tall-165271821100572"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MAPK-PT-00080.tgz
mv MAPK-PT-00080 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 ;