About the Execution of ITS-Tools for PermAdmissibility-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 335.147 | 15764.00 | 34104.00 | 733.70 | TFTFFFTFTFTFFTFF | 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.r150-smll-165276998800427.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is PermAdmissibility-PT-20, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-smll-165276998800427
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1020K
-rw-r--r-- 1 mcc users 11K Apr 29 12:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K Apr 29 12:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 63K Apr 29 12:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 330K Apr 29 12:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.7K May 9 08:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K May 9 08:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 19K May 9 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 9 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 9 08:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K May 9 08:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 336K 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 PermAdmissibility-PT-20-LTLCardinality-00
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-01
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-02
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-03
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-04
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-05
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-06
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-07
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-08
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-09
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-10
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-11
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-12
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-13
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-14
FORMULA_NAME PermAdmissibility-PT-20-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1653116835612
Running Version 202205111006
[2022-05-21 07:07:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -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]
[2022-05-21 07:07:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-21 07:07:19] [INFO ] Load time of PNML (sax parser for PT used): 314 ms
[2022-05-21 07:07:19] [INFO ] Transformed 168 places.
[2022-05-21 07:07:19] [INFO ] Transformed 592 transitions.
[2022-05-21 07:07:19] [INFO ] Parsed PT model containing 168 places and 592 transitions in 569 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 37 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA PermAdmissibility-PT-20-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PermAdmissibility-PT-20-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PermAdmissibility-PT-20-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PermAdmissibility-PT-20-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PermAdmissibility-PT-20-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 83 out of 168 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 168/168 places, 592/592 transitions.
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 0 with 39 rules applied. Total rules applied 39 place count 129 transition count 592
Applied a total of 39 rules in 46 ms. Remains 129 /168 variables (removed 39) and now considering 592/592 (removed 0) transitions.
// Phase 1: matrix 592 rows 129 cols
[2022-05-21 07:07:19] [INFO ] Computed 19 place invariants in 57 ms
[2022-05-21 07:07:19] [INFO ] Implicit Places using invariants in 503 ms returned []
// Phase 1: matrix 592 rows 129 cols
[2022-05-21 07:07:19] [INFO ] Computed 19 place invariants in 18 ms
[2022-05-21 07:07:20] [INFO ] Implicit Places using invariants and state equation in 754 ms returned []
Implicit Place search using SMT with State Equation took 1333 ms to find 0 implicit places.
// Phase 1: matrix 592 rows 129 cols
[2022-05-21 07:07:20] [INFO ] Computed 19 place invariants in 13 ms
[2022-05-21 07:07:21] [INFO ] Dead Transitions using invariants and state equation in 717 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 129/168 places, 592/592 transitions.
Finished structural reductions, in 1 iterations. Remains : 129/168 places, 592/592 transitions.
Support contains 83 out of 129 places after structural reductions.
[2022-05-21 07:07:22] [INFO ] Flatten gal took : 214 ms
[2022-05-21 07:07:22] [INFO ] Flatten gal took : 130 ms
[2022-05-21 07:07:22] [INFO ] Input system was already deterministic with 592 transitions.
Support contains 74 out of 129 places (down from 83) after GAL structural reductions.
Incomplete random walk after 10016 steps, including 29 resets, run finished after 859 ms. (steps per millisecond=11 ) properties (out of 21) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 592 rows 129 cols
[2022-05-21 07:07:23] [INFO ] Computed 19 place invariants in 9 ms
[2022-05-21 07:07:23] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-05-21 07:07:24] [INFO ] [Nat]Absence check using 0 positive and 19 generalized place invariants in 19 ms returned sat
[2022-05-21 07:07:24] [INFO ] After 114ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 10 simplifications.
FORMULA PermAdmissibility-PT-20-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 129 stabilizing places and 592 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 129 transition count 592
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 9 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 112 transition count 592
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 36 place count 93 transition count 372
Iterating global reduction 1 with 19 rules applied. Total rules applied 55 place count 93 transition count 372
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 65 place count 83 transition count 262
Iterating global reduction 1 with 10 rules applied. Total rules applied 75 place count 83 transition count 262
Applied a total of 75 rules in 56 ms. Remains 83 /129 variables (removed 46) and now considering 262/592 (removed 330) transitions.
// Phase 1: matrix 262 rows 83 cols
[2022-05-21 07:07:24] [INFO ] Computed 17 place invariants in 9 ms
[2022-05-21 07:07:24] [INFO ] Implicit Places using invariants in 206 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 210 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 82/129 places, 262/592 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 262/262 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 82/129 places, 262/592 transitions.
Stuttering acceptance computed with spot in 378 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-00 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:(LEQ s19 (ADD s11 s12 s13 s14 s15 s16 s17 s18))], 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 689 ms.
Product exploration explored 100000 steps with 33333 reset in 336 ms.
Computed a total of 82 stabilizing places and 262 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 82 transition count 262
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 3 factoid took 101 ms. Reduced automaton from 3 states, 3 edges and 1 AP to 1 states, 0 edges and 0 AP.
FORMULA PermAdmissibility-PT-20-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PermAdmissibility-PT-20-LTLCardinality-00 finished in 2022 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(G((F(p0)&&F((F(p1)&&p2))))))'
Support contains 10 out of 129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Graph (complete) has 1225 edges and 129 vertex of which 86 are kept as prefixes of interest. Removing 43 places using SCC suffix rule.10 ms
Discarding 43 places :
Also discarding 128 output transitions
Drop transitions removed 128 transitions
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 14 place count 73 transition count 340
Iterating global reduction 0 with 13 rules applied. Total rules applied 27 place count 73 transition count 340
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 53 place count 47 transition count 94
Iterating global reduction 0 with 26 rules applied. Total rules applied 79 place count 47 transition count 94
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 81 place count 45 transition count 78
Iterating global reduction 0 with 2 rules applied. Total rules applied 83 place count 45 transition count 78
Applied a total of 83 rules in 50 ms. Remains 45 /129 variables (removed 84) and now considering 78/592 (removed 514) transitions.
// Phase 1: matrix 78 rows 45 cols
[2022-05-21 07:07:26] [INFO ] Computed 14 place invariants in 1 ms
[2022-05-21 07:07:26] [INFO ] Implicit Places using invariants in 103 ms returned [0, 14, 21]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 108 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 42/129 places, 78/592 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 42 transition count 77
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 41 transition count 77
Applied a total of 2 rules in 15 ms. Remains 41 /42 variables (removed 1) and now considering 77/78 (removed 1) transitions.
// Phase 1: matrix 77 rows 41 cols
[2022-05-21 07:07:26] [INFO ] Computed 11 place invariants in 1 ms
[2022-05-21 07:07:26] [INFO ] Implicit Places using invariants in 78 ms returned []
// Phase 1: matrix 77 rows 41 cols
[2022-05-21 07:07:26] [INFO ] Computed 11 place invariants in 3 ms
[2022-05-21 07:07:26] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 205 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 41/129 places, 77/592 transitions.
Finished structural reductions, in 2 iterations. Remains : 41/129 places, 77/592 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}, { cond=(NOT p2), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(GT s13 (ADD s17 s18 s22 s23)), p1:(AND (LEQ 2 s3) (GT s13 (ADD s17 s18 s22 s23))), p2:(LEQ 2 (ADD s5 s7 s8 s10))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 1479 steps with 11 reset in 11 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-01 finished in 618 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F((G((G(p0)||p1))||X(p2))))'
Support contains 9 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 104 transition count 592
Discarding 26 places :
Symmetric choice reduction at 1 with 26 rule applications. Total rules 51 place count 78 transition count 344
Iterating global reduction 1 with 26 rules applied. Total rules applied 77 place count 78 transition count 344
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 101 place count 54 transition count 108
Iterating global reduction 1 with 24 rules applied. Total rules applied 125 place count 54 transition count 108
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 128 place count 51 transition count 84
Iterating global reduction 1 with 3 rules applied. Total rules applied 131 place count 51 transition count 84
Applied a total of 131 rules in 11 ms. Remains 51 /129 variables (removed 78) and now considering 84/592 (removed 508) transitions.
// Phase 1: matrix 84 rows 51 cols
[2022-05-21 07:07:27] [INFO ] Computed 16 place invariants in 2 ms
[2022-05-21 07:07:27] [INFO ] Implicit Places using invariants in 70 ms returned [0, 5, 18, 25]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 72 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/129 places, 84/592 transitions.
Applied a total of 0 rules in 1 ms. Remains 47 /47 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 47/129 places, 84/592 transitions.
Stuttering acceptance computed with spot in 82 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={1} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={0, 1} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ (ADD s32 s33) s1), p2:(LEQ (ADD s20 s21 s26 s27) s43), p1:(GT 2 s16)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 395 ms.
Product exploration explored 100000 steps with 50000 reset in 266 ms.
Computed a total of 47 stabilizing places and 84 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 47 transition count 84
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p2 p1), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p0) p2 p1)
Knowledge based reduction with 12 factoid took 742 ms. Reduced automaton from 2 states, 5 edges and 3 AP to 1 states, 0 edges and 0 AP.
FORMULA PermAdmissibility-PT-20-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PermAdmissibility-PT-20-LTLCardinality-02 finished in 1682 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(p0)||p1)))'
Support contains 19 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 104 transition count 592
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 45 place count 84 transition count 356
Iterating global reduction 1 with 20 rules applied. Total rules applied 65 place count 84 transition count 356
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 72 place count 77 transition count 244
Iterating global reduction 1 with 7 rules applied. Total rules applied 79 place count 77 transition count 244
Applied a total of 79 rules in 15 ms. Remains 77 /129 variables (removed 52) and now considering 244/592 (removed 348) transitions.
// Phase 1: matrix 244 rows 77 cols
[2022-05-21 07:07:28] [INFO ] Computed 16 place invariants in 6 ms
[2022-05-21 07:07:28] [INFO ] Implicit Places using invariants in 205 ms returned [0, 11, 25]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 219 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 74/129 places, 244/592 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 244/244 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 74/129 places, 244/592 transitions.
Stuttering acceptance computed with spot in 131 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-03 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=(AND p1 p0), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(LEQ (ADD s51 s52) (ADD s33 s35 s36 s37 s38 s55 s56 s57)), p0:(LEQ s16 (ADD s0 s1 s2 s3 s4 s5 s6 s8))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 17 steps with 0 reset in 1 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-03 finished in 395 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(p0)))'
Support contains 16 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 104 transition count 592
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 45 place count 84 transition count 356
Iterating global reduction 1 with 20 rules applied. Total rules applied 65 place count 84 transition count 356
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 79 place count 70 transition count 230
Iterating global reduction 1 with 14 rules applied. Total rules applied 93 place count 70 transition count 230
Applied a total of 93 rules in 15 ms. Remains 70 /129 variables (removed 59) and now considering 230/592 (removed 362) transitions.
// Phase 1: matrix 230 rows 70 cols
[2022-05-21 07:07:29] [INFO ] Computed 16 place invariants in 4 ms
[2022-05-21 07:07:29] [INFO ] Implicit Places using invariants in 183 ms returned [0, 5, 25, 36]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 188 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/129 places, 230/592 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 66/129 places, 230/592 transitions.
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-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:(LEQ (ADD s4 s5 s6 s7 s9 s10 s11 s12) (ADD s24 s25 s26 s27 s28 s29 s34 s35))], 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 15 steps with 0 reset in 0 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-05 finished in 349 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Graph (complete) has 1225 edges and 129 vertex of which 86 are kept as prefixes of interest. Removing 43 places using SCC suffix rule.5 ms
Discarding 43 places :
Also discarding 128 output transitions
Drop transitions removed 128 transitions
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 14 place count 73 transition count 340
Iterating global reduction 0 with 13 rules applied. Total rules applied 27 place count 73 transition count 340
Discarding 26 places :
Symmetric choice reduction at 0 with 26 rule applications. Total rules 53 place count 47 transition count 94
Iterating global reduction 0 with 26 rules applied. Total rules applied 79 place count 47 transition count 94
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 82 place count 44 transition count 70
Iterating global reduction 0 with 3 rules applied. Total rules applied 85 place count 44 transition count 70
Applied a total of 85 rules in 32 ms. Remains 44 /129 variables (removed 85) and now considering 70/592 (removed 522) transitions.
// Phase 1: matrix 70 rows 44 cols
[2022-05-21 07:07:29] [INFO ] Computed 14 place invariants in 1 ms
[2022-05-21 07:07:29] [INFO ] Implicit Places using invariants in 110 ms returned [0, 13, 20]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 121 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 41/129 places, 70/592 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 41 transition count 69
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 40 transition count 69
Applied a total of 2 rules in 8 ms. Remains 40 /41 variables (removed 1) and now considering 69/70 (removed 1) transitions.
// Phase 1: matrix 69 rows 40 cols
[2022-05-21 07:07:29] [INFO ] Computed 11 place invariants in 1 ms
[2022-05-21 07:07:29] [INFO ] Implicit Places using invariants in 92 ms returned []
// Phase 1: matrix 69 rows 40 cols
[2022-05-21 07:07:29] [INFO ] Computed 11 place invariants in 6 ms
[2022-05-21 07:07:29] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 244 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 40/129 places, 69/592 transitions.
Finished structural reductions, in 2 iterations. Remains : 40/129 places, 69/592 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ 1 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 260 steps with 0 reset in 3 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-11 finished in 487 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(F(X(X(p0)))))'
Support contains 2 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 104 transition count 592
Discarding 26 places :
Symmetric choice reduction at 1 with 26 rule applications. Total rules 51 place count 78 transition count 344
Iterating global reduction 1 with 26 rules applied. Total rules applied 77 place count 78 transition count 344
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 101 place count 54 transition count 108
Iterating global reduction 1 with 24 rules applied. Total rules applied 125 place count 54 transition count 108
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 128 place count 51 transition count 84
Iterating global reduction 1 with 3 rules applied. Total rules applied 131 place count 51 transition count 84
Applied a total of 131 rules in 15 ms. Remains 51 /129 variables (removed 78) and now considering 84/592 (removed 508) transitions.
// Phase 1: matrix 84 rows 51 cols
[2022-05-21 07:07:29] [INFO ] Computed 16 place invariants in 1 ms
[2022-05-21 07:07:30] [INFO ] Implicit Places using invariants in 117 ms returned [0, 5, 18, 25]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 121 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 47/129 places, 84/592 transitions.
Applied a total of 0 rules in 1 ms. Remains 47 /47 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 47/129 places, 84/592 transitions.
Stuttering acceptance computed with spot in 152 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-12 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:(GT s39 s33)], 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 325 steps with 1 reset in 3 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-12 finished in 312 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))&&p1)))'
Support contains 5 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 104 transition count 592
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 50 place count 79 transition count 348
Iterating global reduction 1 with 25 rules applied. Total rules applied 75 place count 79 transition count 348
Discarding 21 places :
Symmetric choice reduction at 1 with 21 rule applications. Total rules 96 place count 58 transition count 122
Iterating global reduction 1 with 21 rules applied. Total rules applied 117 place count 58 transition count 122
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 119 place count 56 transition count 106
Iterating global reduction 1 with 2 rules applied. Total rules applied 121 place count 56 transition count 106
Applied a total of 121 rules in 13 ms. Remains 56 /129 variables (removed 73) and now considering 106/592 (removed 486) transitions.
// Phase 1: matrix 106 rows 56 cols
[2022-05-21 07:07:30] [INFO ] Computed 16 place invariants in 2 ms
[2022-05-21 07:07:30] [INFO ] Implicit Places using invariants in 124 ms returned [6]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 128 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 55/129 places, 106/592 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 106/106 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 55/129 places, 106/592 transitions.
Stuttering acceptance computed with spot in 173 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(GT s15 s33), p0:(OR (GT s1 s28) (GT 1 s7))], 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 1 steps with 0 reset in 0 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-14 finished in 336 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U (p0&&(X(p1)||p1))))'
Support contains 4 out of 129 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 129/129 places, 592/592 transitions.
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 105 transition count 592
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 49 place count 80 transition count 348
Iterating global reduction 1 with 25 rules applied. Total rules applied 74 place count 80 transition count 348
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 96 place count 58 transition count 118
Iterating global reduction 1 with 22 rules applied. Total rules applied 118 place count 58 transition count 118
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 120 place count 56 transition count 102
Iterating global reduction 1 with 2 rules applied. Total rules applied 122 place count 56 transition count 102
Applied a total of 122 rules in 13 ms. Remains 56 /129 variables (removed 73) and now considering 102/592 (removed 490) transitions.
// Phase 1: matrix 102 rows 56 cols
[2022-05-21 07:07:30] [INFO ] Computed 16 place invariants in 2 ms
[2022-05-21 07:07:30] [INFO ] Implicit Places using invariants in 106 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 107 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 55/129 places, 102/592 transitions.
Applied a total of 0 rules in 1 ms. Remains 55 /55 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions, in 2 iterations. Remains : 55/129 places, 102/592 transitions.
Stuttering acceptance computed with spot in 200 ms :[true, (NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : PermAdmissibility-PT-20-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(LEQ s48 s5), p1:(LEQ s46 s47)], 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA PermAdmissibility-PT-20-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PermAdmissibility-PT-20-LTLCardinality-15 finished in 345 ms.
All properties solved by simple procedures.
Total runtime 12526 ms.
BK_STOP 1653116851376
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="PermAdmissibility-PT-20"
export BK_EXAMINATION="LTLCardinality"
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 PermAdmissibility-PT-20, 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 r150-smll-165276998800427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PermAdmissibility-PT-20.tgz
mv PermAdmissibility-PT-20 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 ;