About the Execution of ITS-Tools for ShieldRVt-PT-003A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 271.092 | 12346.00 | 24544.00 | 344.80 | FFFFFFFFFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r235-smll-162106564600213.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-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 ShieldRVt-PT-003A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r235-smll-162106564600213
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 384K
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 132K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 82K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.9K Mar 28 16:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 28 16:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 16:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 25 18:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 25 18:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 8.8K May 5 16:52 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 ShieldRVt-PT-003A-00
FORMULA_NAME ShieldRVt-PT-003A-01
FORMULA_NAME ShieldRVt-PT-003A-02
FORMULA_NAME ShieldRVt-PT-003A-03
FORMULA_NAME ShieldRVt-PT-003A-04
FORMULA_NAME ShieldRVt-PT-003A-05
FORMULA_NAME ShieldRVt-PT-003A-06
FORMULA_NAME ShieldRVt-PT-003A-07
FORMULA_NAME ShieldRVt-PT-003A-08
FORMULA_NAME ShieldRVt-PT-003A-09
FORMULA_NAME ShieldRVt-PT-003A-10
FORMULA_NAME ShieldRVt-PT-003A-11
FORMULA_NAME ShieldRVt-PT-003A-12
FORMULA_NAME ShieldRVt-PT-003A-13
FORMULA_NAME ShieldRVt-PT-003A-14
FORMULA_NAME ShieldRVt-PT-003A-15
=== Now, execution of the tool begins
BK_START 1621240718055
Running Version 0
[2021-05-17 08:38:41] [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]
[2021-05-17 08:38:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-17 08:38:41] [INFO ] Load time of PNML (sax parser for PT used): 58 ms
[2021-05-17 08:38:41] [INFO ] Transformed 27 places.
[2021-05-17 08:38:41] [INFO ] Transformed 27 transitions.
[2021-05-17 08:38:41] [INFO ] Found NUPN structural information;
[2021-05-17 08:38:41] [INFO ] Parsed PT model containing 27 places and 27 transitions in 142 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
[2021-05-17 08:38:41] [INFO ] Initial state test concluded for 2 properties.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldRVt-PT-003A-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 15 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:41] [INFO ] Computed 13 place invariants in 9 ms
[2021-05-17 08:38:41] [INFO ] Implicit Places using invariants in 203 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:41] [INFO ] Computed 13 place invariants in 3 ms
[2021-05-17 08:38:42] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 330 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:42] [INFO ] Computed 13 place invariants in 3 ms
[2021-05-17 08:38:42] [INFO ] Dead Transitions using invariants and state equation in 73 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
[2021-05-17 08:38:42] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2021-05-17 08:38:42] [INFO ] Flatten gal took : 48 ms
FORMULA ShieldRVt-PT-003A-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-003A-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-003A-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-17 08:38:42] [INFO ] Flatten gal took : 18 ms
[2021-05-17 08:38:42] [INFO ] Input system was already deterministic with 26 transitions.
Finished random walk after 136 steps, including 0 resets, run visited all 26 properties in 11 ms. (steps per millisecond=12 )
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G((F(p0)&&F((p1||(p1 U X(p2)))))))], workingDir=/home/mcc/execution]
Support contains 6 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:42] [INFO ] Computed 13 place invariants in 3 ms
[2021-05-17 08:38:42] [INFO ] Implicit Places using invariants in 67 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:42] [INFO ] Computed 13 place invariants in 8 ms
[2021-05-17 08:38:42] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:42] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:42] [INFO ] Dead Transitions using invariants and state equation in 84 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 384 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-003A-00 automaton TGBA [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 p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (EQ s2 1) (EQ s4 1) (EQ s10 1)), p1:(AND (EQ s1 1) (EQ s7 1)), p2:(EQ s13 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 3584 reset in 559 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 1 ms.
FORMULA ShieldRVt-PT-003A-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-00 finished in 1288 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((F(p0)||G(p1))))], workingDir=/home/mcc/execution]
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:43] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 08:38:44] [INFO ] Implicit Places using invariants in 55 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:44] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:44] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:44] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:44] [INFO ] Dead Transitions using invariants and state equation in 70 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldRVt-PT-003A-01 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s17 1) (EQ s21 1)), p1:(OR (EQ s22 0) (EQ s25 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 18719 reset in 356 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldRVt-PT-003A-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-01 finished in 722 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((X(p0) U (G(p1) U p2)))], workingDir=/home/mcc/execution]
Support contains 4 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:44] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:44] [INFO ] Implicit Places using invariants in 43 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:44] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 08:38:44] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:44] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 08:38:44] [INFO ] Dead Transitions using invariants and state equation in 75 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 261 ms :[(NOT p1), (NOT p2), (OR (NOT p0) (NOT p2)), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (NOT p1)), true]
Running random walk in product with property : ShieldRVt-PT-003A-02 automaton TGBA [mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 5}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1) p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p2) p1 p0), acceptance={0} source=2 dest: 3}, { cond=(NOT p0), acceptance={0} source=2 dest: 5}], [{ cond=(AND p2 p1 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p2) p1 p0), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={0} source=3 dest: 4}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 5}], [{ cond=(AND p2 p1), acceptance={0} source=4 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=4 dest: 4}, { cond=(NOT p1), acceptance={0} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=1, aps=[p1:(EQ s21 0), p2:(OR (EQ s21 1) (EQ s17 1)), p0:(OR (NEQ s20 1) (NEQ s21 1) (NEQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, 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 4 steps with 0 reset in 1 ms.
FORMULA ShieldRVt-PT-003A-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-02 finished in 478 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(X(G((G(p0)||(G(p2)&&p1)))))))], workingDir=/home/mcc/execution]
Support contains 6 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:45] [INFO ] Implicit Places using invariants in 31 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:45] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:45] [INFO ] Dead Transitions using invariants and state equation in 44 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 255 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), true, (NOT p0), (NOT p2)]
Running random walk in product with property : ShieldRVt-PT-003A-03 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND p1 p2), acceptance={} source=3 dest: 3}, { cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), acceptance={} source=3 dest: 4}, { cond=(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=3 dest: 6}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}], [{ cond=(NOT p2), acceptance={} source=6 dest: 4}, { cond=p2, acceptance={} source=6 dest: 6}]], initial=0, aps=[p1:(AND (EQ s22 1) (EQ s25 1)), p2:(OR (EQ s12 0) (EQ s13 0) (EQ s16 0)), p0:(EQ s19 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA ShieldRVt-PT-003A-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-03 finished in 407 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((p0||X(p1))))], workingDir=/home/mcc/execution]
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:45] [INFO ] Implicit Places using invariants in 27 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 08:38:45] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:45] [INFO ] Computed 13 place invariants in 2 ms
[2021-05-17 08:38:45] [INFO ] Dead Transitions using invariants and state equation in 31 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldRVt-PT-003A-04 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s19 1), p1:(EQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 5288 reset in 254 ms.
Stack based approach found an accepted trace after 26 steps with 2 reset with depth 13 and stack size 13 in 1 ms.
FORMULA ShieldRVt-PT-003A-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-04 finished in 457 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(((p0 U p1)||F(p2)))], workingDir=/home/mcc/execution]
Support contains 7 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 26 transition count 25
Applied a total of 2 rules in 20 ms. Remains 26 /27 variables (removed 1) and now considering 25/26 (removed 1) transitions.
// Phase 1: matrix 25 rows 26 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:46] [INFO ] Implicit Places using invariants in 46 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
[2021-05-17 08:38:46] [INFO ] Redundant transitions in 1 ms returned []
// Phase 1: matrix 25 rows 25 cols
[2021-05-17 08:38:46] [INFO ] Computed 12 place invariants in 3 ms
[2021-05-17 08:38:46] [INFO ] Dead Transitions using invariants and state equation in 50 ms returned []
Starting structural reductions, iteration 1 : 25/27 places, 25/26 transitions.
Applied a total of 0 rules in 10 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2021-05-17 08:38:46] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 25 rows 25 cols
[2021-05-17 08:38:46] [INFO ] Computed 12 place invariants in 6 ms
[2021-05-17 08:38:46] [INFO ] Dead Transitions using invariants and state equation in 41 ms returned []
Finished structural reductions, in 2 iterations. Remains : 25/27 places, 25/26 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-003A-05 automaton TGBA [mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p2:(EQ s5 1), p1:(AND (EQ s2 1) (EQ s4 1) (EQ s10 1) (EQ s8 1) (EQ s10 1) (EQ s15 1)), p0:(EQ s0 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 2803 reset in 232 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA ShieldRVt-PT-003A-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-05 finished in 538 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((F(G((p1 U p2)))&&p0)))], workingDir=/home/mcc/execution]
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:46] [INFO ] Implicit Places using invariants in 31 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:46] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:46] [INFO ] Dead Transitions using invariants and state equation in 44 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p0)), true, (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldRVt-PT-003A-07 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(OR p2 p1), acceptance={} 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 (NEQ s22 0) (NEQ s25 0)), p2:(AND (EQ s22 1) (EQ s25 1)), p1:(AND (EQ s8 1) (EQ s10 1) (EQ s15 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], 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 ShieldRVt-PT-003A-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-07 finished in 370 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(p0)))], workingDir=/home/mcc/execution]
Support contains 2 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:46] [INFO ] Implicit Places using invariants in 35 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:46] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:47] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:47] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:47] [INFO ] Dead Transitions using invariants and state equation in 36 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-003A-08 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(AND (EQ s24 1) (EQ s26 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldRVt-PT-003A-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-08 finished in 298 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((p0||(X(p2)&&p1))))], workingDir=/home/mcc/execution]
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:47] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:47] [INFO ] Implicit Places using invariants in 36 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:47] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:47] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:47] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:47] [INFO ] Dead Transitions using invariants and state equation in 49 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 93 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldRVt-PT-003A-09 automaton TGBA [mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s21 1), p1:(AND (EQ s14 1) (EQ s17 1)), p2:(OR (EQ s1 0) (EQ s7 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 16089 reset in 253 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 1 ms.
FORMULA ShieldRVt-PT-003A-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-09 finished in 508 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(F(p0)) U p1))], workingDir=/home/mcc/execution]
Support contains 8 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 26 transition count 25
Applied a total of 2 rules in 5 ms. Remains 26 /27 variables (removed 1) and now considering 25/26 (removed 1) transitions.
// Phase 1: matrix 25 rows 26 cols
[2021-05-17 08:38:47] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:47] [INFO ] Implicit Places using invariants in 48 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
[2021-05-17 08:38:47] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 25 rows 25 cols
[2021-05-17 08:38:47] [INFO ] Computed 12 place invariants in 1 ms
[2021-05-17 08:38:47] [INFO ] Dead Transitions using invariants and state equation in 35 ms returned []
Starting structural reductions, iteration 1 : 25/27 places, 25/26 transitions.
Applied a total of 0 rules in 9 ms. Remains 25 /25 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2021-05-17 08:38:47] [INFO ] Redundant transitions in 1 ms returned []
// Phase 1: matrix 25 rows 25 cols
[2021-05-17 08:38:47] [INFO ] Computed 12 place invariants in 0 ms
[2021-05-17 08:38:47] [INFO ] Dead Transitions using invariants and state equation in 33 ms returned []
Finished structural reductions, in 2 iterations. Remains : 25/27 places, 25/26 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-003A-13 automaton TGBA [mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 1}, { cond=(NOT p1), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s12 1) (EQ s13 1) (EQ s16 1)), p0:(OR (EQ s15 1) (AND (EQ s3 1) (EQ s12 1) (EQ s18 1)) (AND (EQ s14 1) (EQ s17 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 11595 reset in 222 ms.
Stack based approach found an accepted trace after 21 steps with 4 reset with depth 4 and stack size 4 in 0 ms.
FORMULA ShieldRVt-PT-003A-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-13 finished in 510 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(F(p0)))], workingDir=/home/mcc/execution]
Support contains 3 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 1 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:48] [INFO ] Implicit Places using invariants in 40 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:48] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 1 ms
[2021-05-17 08:38:48] [INFO ] Dead Transitions using invariants and state equation in 59 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldRVt-PT-003A-14 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s3 1) (EQ s12 1) (EQ s18 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 2340 reset in 134 ms.
Stack based approach found an accepted trace after 28 steps with 1 reset with depth 12 and stack size 12 in 0 ms.
FORMULA ShieldRVt-PT-003A-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-14 finished in 391 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G((F(p0)&&F(G((p1 U p2))))))], workingDir=/home/mcc/execution]
Support contains 5 out of 27 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 27/27 places, 26/26 transitions.
Applied a total of 0 rules in 2 ms. Remains 27 /27 variables (removed 0) and now considering 26/26 (removed 0) transitions.
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:48] [INFO ] Implicit Places using invariants in 34 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:48] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2021-05-17 08:38:48] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 26 rows 27 cols
[2021-05-17 08:38:48] [INFO ] Computed 13 place invariants in 0 ms
[2021-05-17 08:38:48] [INFO ] Dead Transitions using invariants and state equation in 42 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 26/26 transitions.
Stuttering acceptance computed with spot in 197 ms :[(OR (NOT p2) (NOT p0)), (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldRVt-PT-003A-15 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(OR p2 p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(EQ s19 0), p2:(AND (EQ s4 1) (EQ s5 1) (EQ s8 1)), p1:(EQ s15 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 318 reset in 213 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 ShieldRVt-PT-003A-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldRVt-PT-003A-15 finished in 569 ms.
All properties solved without resorting to model-checking.
BK_STOP 1621240730401
--------------------
content from stderr:
+ 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
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -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=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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="ShieldRVt-PT-003A"
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 ShieldRVt-PT-003A, 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 r235-smll-162106564600213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-003A.tgz
mv ShieldRVt-PT-003A 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 '
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 ;