About the Execution of ITS-Tools for Diffusion2D-PT-D40N010
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1822.831 | 160536.00 | 192288.00 | 821.30 | FFFFFFFTFFFFFTFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r133-smll-167819410400220.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is Diffusion2D-PT-D40N010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r133-smll-167819410400220
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.1M
-rw-r--r-- 1 mcc users 8.3K Feb 26 04:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 26 04:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 04:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 04:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 15:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 15:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 04:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 26 04:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 04:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 26 04:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 4.7M Mar 5 18:22 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D40N010-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1678363451510
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D40N010
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-09 12:04:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-09 12:04:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 12:04:14] [INFO ] Load time of PNML (sax parser for PT used): 541 ms
[2023-03-09 12:04:14] [INFO ] Transformed 1600 places.
[2023-03-09 12:04:14] [INFO ] Transformed 12324 transitions.
[2023-03-09 12:04:14] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 716 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D40N010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D40N010-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D40N010-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D40N010-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 624 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
// Phase 1: matrix 12324 rows 1600 cols
[2023-03-09 12:04:16] [INFO ] Computed 1 place invariants in 166 ms
[2023-03-09 12:04:16] [INFO ] Implicit Places using invariants in 803 ms returned []
Implicit Place search using SMT only with invariants took 849 ms to find 0 implicit places.
[2023-03-09 12:04:16] [INFO ] Invariant cache hit.
[2023-03-09 12:04:25] [INFO ] Dead Transitions using invariants and state equation in 8886 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10366 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Support contains 25 out of 1600 places after structural reductions.
[2023-03-09 12:04:26] [INFO ] Flatten gal took : 581 ms
[2023-03-09 12:04:26] [INFO ] Flatten gal took : 295 ms
[2023-03-09 12:04:27] [INFO ] Input system was already deterministic with 12324 transitions.
Support contains 24 out of 1600 places (down from 25) after GAL structural reductions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 446 ms. (steps per millisecond=22 ) properties (out of 21) seen :6
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Running SMT prover for 15 properties.
[2023-03-09 12:04:28] [INFO ] Invariant cache hit.
[2023-03-09 12:04:29] [INFO ] [Real]Absence check using 1 positive place invariants in 17 ms returned sat
[2023-03-09 12:04:40] [INFO ] After 10508ms SMT Verify possible using state equation in real domain returned unsat :0 sat :14 real:1
[2023-03-09 12:04:49] [INFO ] After 19878ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:15
[2023-03-09 12:04:49] [INFO ] After 21275ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:15
[2023-03-09 12:04:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 14 ms returned sat
[2023-03-09 12:05:00] [INFO ] After 10048ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :15
[2023-03-09 12:05:09] [INFO ] After 18960ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :15
Attempting to minimize the solution found.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Minimization took 4903 ms.
[2023-03-09 12:05:14] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :15
Fused 15 Parikh solutions to 14 different solutions.
Finished Parikh walk after 15025 steps, including 0 resets, run visited all 1 properties in 108 ms. (steps per millisecond=139 )
Parikh walk visited 15 properties in 8447 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(F(p0))||G(p1))))'
Support contains 3 out of 1600 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12276 edges and 1600 vertex of which 1597 / 1600 are part of one of the 1 SCC in 20 ms
Free SCC test removed 1596 places
Ensure Unique test removed 12317 transitions
Reduce isomorphic transitions removed 12317 transitions.
Applied a total of 1 rules in 54 ms. Remains 4 /1600 variables (removed 1596) and now considering 7/12324 (removed 12317) transitions.
// Phase 1: matrix 7 rows 4 cols
[2023-03-09 12:05:23] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-09 12:05:23] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-09 12:05:23] [INFO ] Invariant cache hit.
[2023-03-09 12:05:23] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-09 12:05:23] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-09 12:05:23] [INFO ] Invariant cache hit.
[2023-03-09 12:05:23] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/1600 places, 7/12324 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 135 ms. Remains : 4/1600 places, 7/12324 transitions.
Stuttering acceptance computed with spot in 238 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(LT s0 1), p0:(OR (GEQ s1 1) (LT s2 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 3 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-00 finished in 458 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))||G((p1&&F(p0))))))'
Support contains 2 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 441 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
// Phase 1: matrix 12324 rows 1600 cols
[2023-03-09 12:05:24] [INFO ] Computed 1 place invariants in 94 ms
[2023-03-09 12:05:24] [INFO ] Implicit Places using invariants in 410 ms returned []
Implicit Place search using SMT only with invariants took 421 ms to find 0 implicit places.
[2023-03-09 12:05:24] [INFO ] Invariant cache hit.
[2023-03-09 12:05:32] [INFO ] Dead Transitions using invariants and state equation in 7875 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8743 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 200 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p1:(LT s349 1), p0:(GEQ s1053 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 22 reset in 1430 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 2 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-01 finished in 10443 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((F(p0)&&X(G(p1))))))'
Support contains 2 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 220 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:05:34] [INFO ] Invariant cache hit.
[2023-03-09 12:05:34] [INFO ] Implicit Places using invariants in 258 ms returned []
Implicit Place search using SMT only with invariants took 262 ms to find 0 implicit places.
[2023-03-09 12:05:34] [INFO ] Invariant cache hit.
[2023-03-09 12:05:44] [INFO ] Dead Transitions using invariants and state equation in 10059 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10551 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 182 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(LT s348 1), p1:(AND (GEQ s1133 1) (GEQ s348 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 32 reset in 1105 ms.
Stack based approach found an accepted trace after 22 steps with 0 reset with depth 23 and stack size 23 in 2 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-02 finished in 11883 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 208 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:05:46] [INFO ] Invariant cache hit.
[2023-03-09 12:05:46] [INFO ] Implicit Places using invariants in 257 ms returned []
Implicit Place search using SMT only with invariants took 259 ms to find 0 implicit places.
[2023-03-09 12:05:46] [INFO ] Invariant cache hit.
[2023-03-09 12:05:57] [INFO ] Dead Transitions using invariants and state equation in 10803 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11275 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 91 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-04 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:(GEQ s138 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-04 finished in 11405 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 218 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:05:57] [INFO ] Invariant cache hit.
[2023-03-09 12:05:57] [INFO ] Implicit Places using invariants in 254 ms returned []
Implicit Place search using SMT only with invariants took 258 ms to find 0 implicit places.
[2023-03-09 12:05:57] [INFO ] Invariant cache hit.
[2023-03-09 12:06:05] [INFO ] Dead Transitions using invariants and state equation in 7727 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8207 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s1599 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 22 reset in 1058 ms.
Stack based approach found an accepted trace after 110 steps with 0 reset with depth 111 and stack size 111 in 2 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-06 finished in 9383 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 1600 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12292 edges and 1600 vertex of which 1598 / 1600 are part of one of the 1 SCC in 17 ms
Free SCC test removed 1597 places
Ensure Unique test removed 12319 transitions
Reduce isomorphic transitions removed 12319 transitions.
Applied a total of 1 rules in 38 ms. Remains 3 /1600 variables (removed 1597) and now considering 5/12324 (removed 12319) transitions.
// Phase 1: matrix 5 rows 3 cols
[2023-03-09 12:06:06] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-09 12:06:06] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-09 12:06:06] [INFO ] Invariant cache hit.
[2023-03-09 12:06:07] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-09 12:06:07] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-09 12:06:07] [INFO ] Invariant cache hit.
[2023-03-09 12:06:07] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 3/1600 places, 5/12324 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 163 ms. Remains : 3/1600 places, 5/12324 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-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:(AND (LT s1 1) (LT s0 1))], 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 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-08 finished in 229 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(p0))'
Support contains 1 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 213 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
// Phase 1: matrix 12324 rows 1600 cols
[2023-03-09 12:06:07] [INFO ] Computed 1 place invariants in 77 ms
[2023-03-09 12:06:07] [INFO ] Implicit Places using invariants in 340 ms returned []
Implicit Place search using SMT only with invariants took 342 ms to find 0 implicit places.
[2023-03-09 12:06:07] [INFO ] Invariant cache hit.
[2023-03-09 12:06:17] [INFO ] Dead Transitions using invariants and state equation in 9407 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9967 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0), true]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s1490 1)], 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-09 finished in 10102 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((p0&&F(p1))))))'
Support contains 3 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 229 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:06:17] [INFO ] Invariant cache hit.
[2023-03-09 12:06:17] [INFO ] Implicit Places using invariants in 239 ms returned []
Implicit Place search using SMT only with invariants took 240 ms to find 0 implicit places.
[2023-03-09 12:06:17] [INFO ] Invariant cache hit.
[2023-03-09 12:06:26] [INFO ] Dead Transitions using invariants and state equation in 8443 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8916 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 204 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LT s148 1), p1:(OR (LT s635 1) (LT s967 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1055 steps with 0 reset in 12 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-10 finished in 9169 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(!(p0 U p1))||p0))||F(p0)))'
Support contains 2 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 220 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:06:26] [INFO ] Invariant cache hit.
[2023-03-09 12:06:26] [INFO ] Implicit Places using invariants in 274 ms returned []
Implicit Place search using SMT only with invariants took 276 ms to find 0 implicit places.
[2023-03-09 12:06:26] [INFO ] Invariant cache hit.
[2023-03-09 12:06:35] [INFO ] Dead Transitions using invariants and state equation in 8453 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8970 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 134 ms :[(NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s872 1), p1:(GEQ s308 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 16 reset in 1119 ms.
Stack based approach found an accepted trace after 15976 steps with 4 reset with depth 736 and stack size 727 in 193 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-11 finished in 10458 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((p0 U G(p1))&&(!p1||G(p2))))))'
Support contains 3 out of 1600 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Applied a total of 0 rules in 213 ms. Remains 1600 /1600 variables (removed 0) and now considering 12324/12324 (removed 0) transitions.
[2023-03-09 12:06:37] [INFO ] Invariant cache hit.
[2023-03-09 12:06:37] [INFO ] Implicit Places using invariants in 259 ms returned []
Implicit Place search using SMT only with invariants took 260 ms to find 0 implicit places.
[2023-03-09 12:06:37] [INFO ] Invariant cache hit.
[2023-03-09 12:06:49] [INFO ] Dead Transitions using invariants and state equation in 11927 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12402 ms. Remains : 1600/1600 places, 12324/12324 transitions.
Stuttering acceptance computed with spot in 256 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND (NOT p1) (NOT p0)) (AND p1 (NOT p2))), acceptance={0, 1} source=1 dest: 1}, { cond=(AND p1 p2), acceptance={1} source=1 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0, 1} source=1 dest: 2}, { cond=(AND p1 p2), acceptance={0} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=2 dest: 1}, { cond=p1, acceptance={1} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0, 1} source=2 dest: 2}], [{ cond=(OR (AND p1 (NOT p2)) (AND (NOT p0) (NOT p2))), acceptance={0, 1} source=3 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0, 1} source=3 dest: 2}, { cond=(OR (AND p1 p2) (AND (NOT p0) p2)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p1) p0 p2), acceptance={0} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0, 1} source=4 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={1} source=4 dest: 2}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0, 1} source=4 dest: 2}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={0} source=4 dest: 3}, { cond=(AND p1 p2), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p0 p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(LT s450 1), p0:(LT s199 1), p2:(GEQ s15 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 1224 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 1 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-14 finished in 13931 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(F(p1))||(p2 U p3)))'
Support contains 4 out of 1600 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 12260 edges and 1600 vertex of which 1596 / 1600 are part of one of the 1 SCC in 13 ms
Free SCC test removed 1595 places
Ensure Unique test removed 12315 transitions
Reduce isomorphic transitions removed 12315 transitions.
Applied a total of 1 rules in 25 ms. Remains 5 /1600 variables (removed 1595) and now considering 9/12324 (removed 12315) transitions.
// Phase 1: matrix 9 rows 5 cols
[2023-03-09 12:06:50] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-09 12:06:50] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-09 12:06:50] [INFO ] Invariant cache hit.
[2023-03-09 12:06:50] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-09 12:06:50] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-09 12:06:50] [INFO ] Invariant cache hit.
[2023-03-09 12:06:50] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/1600 places, 9/12324 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 100 ms. Remains : 5/1600 places, 9/12324 transitions.
Stuttering acceptance computed with spot in 174 ms :[(AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : Diffusion2D-PT-D40N010-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p3) p2), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p1) (NOT p3) p2), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p3) (NOT p2)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p1) (NOT p3) p2), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s0 1)), p3:(GEQ s0 1), p2:(GEQ s2 1), p1:(LT s1 1)], 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 11 steps with 2 reset in 0 ms.
FORMULA Diffusion2D-PT-D40N010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D40N010-LTLFireability-15 finished in 302 ms.
All properties solved by simple procedures.
Total runtime 157059 ms.
BK_STOP 1678363612046
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="Diffusion2D-PT-D40N010"
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 2-5348"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D40N010, 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 r133-smll-167819410400220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N010.tgz
mv Diffusion2D-PT-D40N010 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 ;