About the Execution of ITS-Tools for Philosophers-COL-000050
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1364.628 | 51659.00 | 149950.00 | 1208.80 | FFTFFFTFFTFFFTFT | 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.r168-tall-165277016300203.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 Philosophers-COL-000050, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-tall-165277016300203
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 272K
-rw-r--r-- 1 mcc users 7.8K Apr 29 11:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 29 11:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 29 11:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 29 11:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K May 9 08:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 9 08:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 08:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 9 08:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 9 08:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 08:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 10 09:34 equiv_pt
-rw-r--r-- 1 mcc users 7 May 10 09:34 instance
-rw-r--r-- 1 mcc users 5 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 12K 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 Philosophers-COL-000050-LTLCardinality-00
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-01
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-02
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-03
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-04
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-05
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-06
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-07
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-08
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-09
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-10
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-11
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-12
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-13
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-14
FORMULA_NAME Philosophers-COL-000050-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1652802130006
Running Version 202205111006
[2022-05-17 15:42:11] [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]
[2022-05-17 15:42:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-17 15:42:11] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2022-05-17 15:42:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2022-05-17 15:42:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 504 ms
[2022-05-17 15:42:11] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 250 PT places and 250.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
FORMULA Philosophers-COL-000050-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-17 15:42:11] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 6 ms.
[2022-05-17 15:42:11] [INFO ] Skeletonized 14 HLPN properties in 0 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Philosophers-COL-000050-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 10 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 10039 steps, including 192 resets, run finished after 61 ms. (steps per millisecond=164 ) properties (out of 14) seen :10
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 40 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 5 rows 5 cols
[2022-05-17 15:42:12] [INFO ] Computed 2 place invariants in 4 ms
[2022-05-17 15:42:12] [INFO ] After 89ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-17 15:42:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2022-05-17 15:42:12] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :0
Fused 3 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 3 atomic propositions for a total of 10 simplifications.
FORMULA Philosophers-COL-000050-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-000050-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-05-17 15:42:12] [INFO ] Flatten gal took : 14 ms
[2022-05-17 15:42:12] [INFO ] Flatten gal took : 1 ms
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 50) 50) 50)]] contains successor/predecessor on variables of sort Philo
[2022-05-17 15:42:12] [INFO ] Unfolded HLPN to a Petri net with 250 places and 250 transitions 800 arcs in 13 ms.
[2022-05-17 15:42:12] [INFO ] Unfolded 7 HLPN properties in 1 ms.
Support contains 250 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 7 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:12] [INFO ] Computed 100 place invariants in 7 ms
[2022-05-17 15:42:12] [INFO ] Implicit Places using invariants in 102 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:12] [INFO ] Computed 100 place invariants in 7 ms
[2022-05-17 15:42:12] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 260 ms to find 0 implicit places.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:12] [INFO ] Computed 100 place invariants in 4 ms
[2022-05-17 15:42:12] [INFO ] Dead Transitions using invariants and state equation in 161 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Support contains 250 out of 250 places after structural reductions.
[2022-05-17 15:42:12] [INFO ] Flatten gal took : 28 ms
[2022-05-17 15:42:13] [INFO ] Flatten gal took : 23 ms
[2022-05-17 15:42:13] [INFO ] Input system was already deterministic with 250 transitions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 12) seen :11
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:13] [INFO ] Computed 100 place invariants in 4 ms
[2022-05-17 15:42:13] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-17 15:42:13] [INFO ] [Nat]Absence check using 100 positive place invariants in 15 ms returned sat
[2022-05-17 15:42:13] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 6 simplifications.
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' '!(X(F(p0)))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 10 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:14] [INFO ] Computed 100 place invariants in 5 ms
[2022-05-17 15:42:14] [INFO ] Implicit Places using invariants in 131 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:14] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:14] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:14] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:14] [INFO ] Dead Transitions using invariants and state equation in 127 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 257 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ (ADD s0 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 s17 s18 s19 s20 s21 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31 s32 s33 s34 s35 s36 s37...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 445 reset in 863 ms.
Stack based approach found an accepted trace after 156 steps with 0 reset with depth 157 and stack size 157 in 2 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLCardinality-01 finished in 2392 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(p0)||(G(p1)&&p0))))))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 6 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:15] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:16] [INFO ] Implicit Places using invariants in 100 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:16] [INFO ] Computed 100 place invariants in 5 ms
[2022-05-17 15:42:16] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:16] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:16] [INFO ] Dead Transitions using invariants and state equation in 130 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 302 ms :[true, (NOT p0), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 2}], [{ cond=true, acceptance={} source=6 dest: 5}], [{ cond=true, acceptance={} source=7 dest: 6}]], initial=7, aps=[p0:(LEQ (ADD s50 s51 s52 s53 s54 s55 s56 s57 s58 s59 s60 s61 s62 s63 s64 s65 s66 s67 s68 s69 s70 s71 s72 s73 s74 s75 s76 s77 s78 s79 s80 s81 s82 s83 s84 s...], 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, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLCardinality-03 finished in 718 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((!(X((G(p0)||p0)) U p1)&&X(G(p2)))))'
Support contains 150 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 7 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:16] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:16] [INFO ] Implicit Places using invariants in 72 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:16] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:16] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:16] [INFO ] Computed 100 place invariants in 3 ms
[2022-05-17 15:42:16] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 174 ms :[true, (OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p2), (OR (NOT p2) (AND p0 p1))]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={} source=3 dest: 0}, { cond=p2, acceptance={} source=3 dest: 3}], [{ cond=(OR (AND p1 p0) (NOT p2)), acceptance={} source=4 dest: 0}, { cond=(AND p2 (NOT p0)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=4 dest: 4}]], initial=1, aps=[p1:(LEQ (ADD s100 s101 s102 s103 s104 s105 s106 s107 s108 s109 s110 s111 s112 s113 s114 s115 s116 s117 s118 s119 s120 s121 s122 s123 s124 s125 s126 s127 s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLCardinality-04 finished in 537 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(X(G(p0)))||p0))))'
Support contains 50 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 14 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:17] [INFO ] Computed 100 place invariants in 3 ms
[2022-05-17 15:42:17] [INFO ] Implicit Places using invariants in 122 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:17] [INFO ] Computed 100 place invariants in 6 ms
[2022-05-17 15:42:17] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:17] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:17] [INFO ] Dead Transitions using invariants and state equation in 123 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 (ADD s200 s201 s202 s203 s204 s205 s206 s207 s208 s209 s210 s211 s212 s213 s214 s215 s216 s217 s218 s219 s220 s221 s222 s223 s224 s225 s226 s227...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 7347 reset in 1066 ms.
Product exploration explored 100000 steps with 7407 reset in 1161 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 200 ms. Reduced automaton from 2 states, 2 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Finished random walk after 13 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=6 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:20] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:20] [INFO ] [Real]Absence check using 100 positive place invariants in 44 ms returned sat
[2022-05-17 15:42:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-17 15:42:21] [INFO ] [Real]Absence check using state equation in 589 ms returned sat
[2022-05-17 15:42:21] [INFO ] Solution in real domain found non-integer solution.
[2022-05-17 15:42:21] [INFO ] [Nat]Absence check using 100 positive place invariants in 29 ms returned sat
[2022-05-17 15:42:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-17 15:42:21] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2022-05-17 15:42:21] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 14 ms.
[2022-05-17 15:42:21] [INFO ] Added : 0 causal constraints over 0 iterations in 53 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 50 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 14 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:21] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:21] [INFO ] Implicit Places using invariants in 122 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:21] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:21] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
[2022-05-17 15:42:21] [INFO ] Redundant transitions in 9 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:21] [INFO ] Computed 100 place invariants in 3 ms
[2022-05-17 15:42:22] [INFO ] Dead Transitions using invariants and state equation in 133 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 97 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Finished random walk after 13 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=6 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 1 states, 1 edges and 1 AP to 1 states, 1 edges and 1 AP.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:22] [INFO ] Computed 100 place invariants in 3 ms
[2022-05-17 15:42:22] [INFO ] [Real]Absence check using 100 positive place invariants in 44 ms returned sat
[2022-05-17 15:42:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-17 15:42:23] [INFO ] [Real]Absence check using state equation in 570 ms returned sat
[2022-05-17 15:42:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-17 15:42:23] [INFO ] [Nat]Absence check using 100 positive place invariants in 32 ms returned sat
[2022-05-17 15:42:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-17 15:42:23] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2022-05-17 15:42:23] [INFO ] Computed and/alt/rep : 150/200/150 causal constraints (skipped 0 transitions) in 13 ms.
[2022-05-17 15:42:23] [INFO ] Added : 0 causal constraints over 0 iterations in 37 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Product exploration explored 100000 steps with 7441 reset in 1042 ms.
Product exploration explored 100000 steps with 7445 reset in 1094 ms.
Built C files in :
/tmp/ltsmin5865853519749435232
[2022-05-17 15:42:25] [INFO ] Computing symmetric may disable matrix : 250 transitions.
[2022-05-17 15:42:25] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:25] [INFO ] Computing symmetric may enable matrix : 250 transitions.
[2022-05-17 15:42:25] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:25] [INFO ] Computing Do-Not-Accords matrix : 250 transitions.
[2022-05-17 15:42:25] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:25] [INFO ] Built C files in 49ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5865853519749435232
Running compilation step : cd /tmp/ltsmin5865853519749435232;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 568 ms.
Running link step : cd /tmp/ltsmin5865853519749435232;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin5865853519749435232;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased10088363641700025329.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 50 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 20 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:40] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:41] [INFO ] Implicit Places using invariants in 129 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:41] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:42:41] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 306 ms to find 0 implicit places.
[2022-05-17 15:42:41] [INFO ] Redundant transitions in 2 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:42:41] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:42:41] [INFO ] Dead Transitions using invariants and state equation in 114 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Built C files in :
/tmp/ltsmin14546869339205105236
[2022-05-17 15:42:41] [INFO ] Computing symmetric may disable matrix : 250 transitions.
[2022-05-17 15:42:41] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:41] [INFO ] Computing symmetric may enable matrix : 250 transitions.
[2022-05-17 15:42:41] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:41] [INFO ] Computing Do-Not-Accords matrix : 250 transitions.
[2022-05-17 15:42:41] [INFO ] Computation of Completed DNA matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-17 15:42:41] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14546869339205105236
Running compilation step : cd /tmp/ltsmin14546869339205105236;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 459 ms.
Running link step : cd /tmp/ltsmin14546869339205105236;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin14546869339205105236;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased5900812954033010602.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2022-05-17 15:42:56] [INFO ] Flatten gal took : 18 ms
[2022-05-17 15:42:56] [INFO ] Flatten gal took : 17 ms
[2022-05-17 15:42:56] [INFO ] Time to serialize gal into /tmp/LTL1076036753664035196.gal : 4 ms
[2022-05-17 15:42:56] [INFO ] Time to serialize properties into /tmp/LTL12875419535954180079.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL1076036753664035196.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12875419535954180079.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL1076036...267
Read 1 LTL properties
Checking formula 0 : !((X(F((G(X(G("(((((((Eat_0+Eat_1)+(Eat_2+Eat_3))+((Eat_4+Eat_5)+(Eat_6+Eat_7)))+(((Eat_8+Eat_9)+(Eat_10+Eat_11))+((Eat_12+Eat_13)+(Ea...935
Formula 0 simplified : !XF("(((((((Eat_0+Eat_1)+(Eat_2+Eat_3))+((Eat_4+Eat_5)+(Eat_6+Eat_7)))+(((Eat_8+Eat_9)+(Eat_10+Eat_11))+((Eat_12+Eat_13)+(Eat_14+Eat...922
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Computing Next relation with stutter on 2 deadlock states
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
261 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,2.64578,105204,1,0,251,514756,20,200,6156,547243,508
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Philosophers-COL-000050-LTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
ITS tools runner thread asked to quit. Dying gracefully.
Treatment of property Philosophers-COL-000050-LTLCardinality-07 finished in 42919 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 50 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 14 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:43:00] [INFO ] Implicit Places using invariants in 112 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 2 ms
[2022-05-17 15:43:00] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 265 ms to find 0 implicit places.
[2022-05-17 15:43:00] [INFO ] Redundant transitions in 2 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:43:00] [INFO ] Dead Transitions using invariants and state equation in 113 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-08 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 (ADD s50 s51 s52 s53 s54 s55 s56 s57 s58 s59 s60 s61 s62 s63 s64 s65 s66 s67 s68 s69 s70 s71 s72 s73 s74 s75 s76 s77 s78 s79 s80 s81 s82 s83 s84...], 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 2126 steps with 0 reset in 16 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Philosophers-COL-000050-LTLCardinality-08 finished in 458 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 100 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 250/250 transitions.
Applied a total of 0 rules in 11 ms. Remains 250 /250 variables (removed 0) and now considering 250/250 (removed 0) transitions.
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:43:00] [INFO ] Implicit Places using invariants in 83 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 1 ms
[2022-05-17 15:43:00] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2022-05-17 15:43:00] [INFO ] Redundant transitions in 1 ms returned []
// Phase 1: matrix 250 rows 250 cols
[2022-05-17 15:43:00] [INFO ] Computed 100 place invariants in 9 ms
[2022-05-17 15:43:00] [INFO ] Dead Transitions using invariants and state equation in 128 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 250/250 places, 250/250 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : Philosophers-COL-000050-LTLCardinality-10 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 (ADD s0 s1 s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 s17 s18 s19 s20 s21 s22 s23 s24 s25 s26 s27 s28 s29 s30 s31 s32 s33 s34 s35 s36 s37...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 27 reset in 615 ms.
Stack based approach found an accepted trace after 377 steps with 0 reset with depth 378 and stack size 378 in 4 ms.
FORMULA Philosophers-COL-000050-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Philosophers-COL-000050-LTLCardinality-10 finished in 1031 ms.
All properties solved by simple procedures.
Total runtime 50460 ms.
BK_STOP 1652802181665
--------------------
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="Philosophers-COL-000050"
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 Philosophers-COL-000050, 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 r168-tall-165277016300203"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-000050.tgz
mv Philosophers-COL-000050 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 ;