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.r135-smll-167819413700164.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 lolaxred
Input is Diffusion2D-PT-D20N050, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r135-smll-167819413700164
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 5.5K Feb 26 04:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 43K Feb 26 04:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 26 04:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 04:17 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 4.3K Feb 25 15:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 5.9K Feb 26 04:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 40K Feb 26 04:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 04:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 04:18 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 1.2M 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-D20N050-LTLFireability-00
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-01
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-02
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-03
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-04
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-05
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-06
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-07
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-08
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-09
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-10
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-11
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-12
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-13
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-14
FORMULA_NAME Diffusion2D-PT-D20N050-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678287503803

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D20N050
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 14:58:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-08 14:58:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 14:58:28] [INFO ] Load time of PNML (sax parser for PT used): 377 ms
[2023-03-08 14:58:28] [INFO ] Transformed 400 places.
[2023-03-08 14:58:28] [INFO ] Transformed 2964 transitions.
[2023-03-08 14:58:28] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 566 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N050-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Diffusion2D-PT-D20N050-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 142 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
// Phase 1: matrix 2964 rows 400 cols
[2023-03-08 14:58:28] [INFO ] Computed 1 place invariants in 78 ms
[2023-03-08 14:58:29] [INFO ] Implicit Places using invariants in 485 ms returned []
[2023-03-08 14:58:29] [INFO ] Invariant cache hit.
[2023-03-08 14:58:30] [INFO ] Implicit Places using invariants and state equation in 922 ms returned []
Implicit Place search using SMT with State Equation took 1468 ms to find 0 implicit places.
[2023-03-08 14:58:30] [INFO ] Invariant cache hit.
[2023-03-08 14:58:32] [INFO ] Dead Transitions using invariants and state equation in 2362 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3977 ms. Remains : 400/400 places, 2964/2964 transitions.
Support contains 30 out of 400 places after structural reductions.
[2023-03-08 14:58:33] [INFO ] Flatten gal took : 347 ms
[2023-03-08 14:58:33] [INFO ] Flatten gal took : 254 ms
[2023-03-08 14:58:33] [INFO ] Input system was already deterministic with 2964 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 27) seen :8
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2023-03-08 14:58:34] [INFO ] Invariant cache hit.
[2023-03-08 14:58:34] [INFO ] [Real]Absence check using 1 positive place invariants in 7 ms returned sat
[2023-03-08 14:58:37] [INFO ] After 3013ms SMT Verify possible using state equation in real domain returned unsat :1 sat :13 real:4
[2023-03-08 14:58:40] [INFO ] After 5772ms SMT Verify possible using trap constraints in real domain returned unsat :1 sat :0 real:17
[2023-03-08 14:58:40] [INFO ] After 6466ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:17
[2023-03-08 14:58:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2023-03-08 14:58:43] [INFO ] After 2609ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :17
[2023-03-08 14:58:47] [INFO ] After 5870ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :17
Attempting to minimize the solution found.
Minimization took 1839 ms.
[2023-03-08 14:58:48] [INFO ] After 8296ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :17
Fused 18 Parikh solutions to 6 different solutions.
Finished Parikh walk after 7177 steps, including 0 resets, run visited all 17 properties in 456 ms. (steps per millisecond=15 )
Parikh walk visited 17 properties in 465 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA Diffusion2D-PT-D20N050-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
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' '!((X(F(p0))||G(p1)))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 87 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2023-03-08 14:58:50] [INFO ] Invariant cache hit.
[2023-03-08 14:58:50] [INFO ] Implicit Places using invariants in 131 ms returned []
[2023-03-08 14:58:50] [INFO ] Invariant cache hit.
[2023-03-08 14:58:51] [INFO ] Implicit Places using invariants and state equation in 781 ms returned []
Implicit Place search using SMT with State Equation took 916 ms to find 0 implicit places.
[2023-03-08 14:58:51] [INFO ] Invariant cache hit.
[2023-03-08 14:58:52] [INFO ] Dead Transitions using invariants and state equation in 1797 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2802 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 407 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s24 1) (GEQ s302 1)), p1:(GEQ s27 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 42 reset in 2261 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 2 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-00 finished in 5583 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(F((p0||(p1 U p2)||G(F(p3))))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2900 edges and 400 vertex of which 396 / 400 are part of one of the 1 SCC in 9 ms
Free SCC test removed 395 places
Ensure Unique test removed 2955 transitions
Reduce isomorphic transitions removed 2955 transitions.
Applied a total of 1 rules in 23 ms. Remains 5 /400 variables (removed 395) and now considering 9/2964 (removed 2955) transitions.
// Phase 1: matrix 9 rows 5 cols
[2023-03-08 14:58:55] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-08 14:58:55] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/400 places, 9/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 98 ms. Remains : 5/400 places, 9/2964 transitions.
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p3) (NOT p2) (NOT p0)), (AND (NOT p3) (NOT p2) (NOT p0))]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p3:(GEQ s3 1), p2:(GEQ s0 1), p0:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-01 finished in 203 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 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 4 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 12 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-08 14:58:55] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-08 14:58:55] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 81 ms. Remains : 2/400 places, 3/2964 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(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-D20N050-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-02 finished in 134 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((F(p0)&&F(G(p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2932 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 4 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 11 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
// Phase 1: matrix 5 rows 3 cols
[2023-03-08 14:58:55] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-08 14:58:55] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 14:58:55] [INFO ] Invariant cache hit.
[2023-03-08 14:58:55] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 ms. Remains : 3/400 places, 5/2964 transitions.
Stuttering acceptance computed with spot in 204 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LT s1 1), p1:(LT s0 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-03 finished in 300 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)||G((!p0&&X(!p0))))))'
Support contains 1 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2948 edges and 400 vertex of which 399 / 400 are part of one of the 1 SCC in 7 ms
Free SCC test removed 398 places
Ensure Unique test removed 2961 transitions
Reduce isomorphic transitions removed 2961 transitions.
Applied a total of 1 rules in 18 ms. Remains 2 /400 variables (removed 398) and now considering 3/2964 (removed 2961) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-08 14:58:56] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-08 14:58:56] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-08 14:58:56] [INFO ] Invariant cache hit.
[2023-03-08 14:58:56] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-08 14:58:56] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 14:58:56] [INFO ] Invariant cache hit.
[2023-03-08 14:58:56] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/400 places, 3/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 103 ms. Remains : 2/400 places, 3/2964 transitions.
Stuttering acceptance computed with spot in 55 ms :[false]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={1} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s0 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, colored, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 216 ms.
Stack based approach found an accepted trace after 20 steps with 0 reset with depth 21 and stack size 4 in 0 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-05 finished in 398 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((F(p0)&&F(G(p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Graph (trivial) has 2938 edges and 400 vertex of which 398 / 400 are part of one of the 1 SCC in 7 ms
Free SCC test removed 397 places
Ensure Unique test removed 2959 transitions
Reduce isomorphic transitions removed 2959 transitions.
Applied a total of 1 rules in 18 ms. Remains 3 /400 variables (removed 397) and now considering 5/2964 (removed 2959) transitions.
// Phase 1: matrix 5 rows 3 cols
[2023-03-08 14:58:56] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-08 14:58:56] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-08 14:58:56] [INFO ] Invariant cache hit.
[2023-03-08 14:58:56] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-08 14:58:56] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 14:58:56] [INFO ] Invariant cache hit.
[2023-03-08 14:58:56] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 3/400 places, 5/2964 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 123 ms. Remains : 3/400 places, 5/2964 transitions.
Stuttering acceptance computed with spot in 164 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GEQ s0 1), p1:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-06 finished in 310 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) U X(p1))))'
Support contains 4 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 77 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
// Phase 1: matrix 2964 rows 400 cols
[2023-03-08 14:58:56] [INFO ] Computed 1 place invariants in 32 ms
[2023-03-08 14:58:57] [INFO ] Implicit Places using invariants in 137 ms returned []
[2023-03-08 14:58:57] [INFO ] Invariant cache hit.
[2023-03-08 14:58:57] [INFO ] Implicit Places using invariants and state equation in 680 ms returned []
Implicit Place search using SMT with State Equation took 821 ms to find 0 implicit places.
[2023-03-08 14:58:57] [INFO ] Invariant cache hit.
[2023-03-08 14:58:59] [INFO ] Dead Transitions using invariants and state equation in 1919 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2821 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 221 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(AND (GEQ s253 1) (GEQ s206 1) (GEQ s73 1)), p1:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-07 finished in 3078 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((F(p0)&&X((p1 U !p0)))))'
Support contains 1 out of 400 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 28 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2023-03-08 14:58:59] [INFO ] Invariant cache hit.
[2023-03-08 14:59:00] [INFO ] Implicit Places using invariants in 114 ms returned []
[2023-03-08 14:59:00] [INFO ] Invariant cache hit.
[2023-03-08 14:59:00] [INFO ] Implicit Places using invariants and state equation in 742 ms returned []
Implicit Place search using SMT with State Equation took 859 ms to find 0 implicit places.
[2023-03-08 14:59:00] [INFO ] Invariant cache hit.
[2023-03-08 14:59:02] [INFO ] Dead Transitions using invariants and state equation in 1922 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2811 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 180 ms :[true, (NOT p0), p0]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(LT s8 1)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 106 reset in 1353 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-09 finished in 4372 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&&G(p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 15 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2023-03-08 14:59:04] [INFO ] Invariant cache hit.
[2023-03-08 14:59:04] [INFO ] Implicit Places using invariants in 71 ms returned []
[2023-03-08 14:59:04] [INFO ] Invariant cache hit.
[2023-03-08 14:59:05] [INFO ] Implicit Places using invariants and state equation in 715 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
[2023-03-08 14:59:05] [INFO ] Invariant cache hit.
[2023-03-08 14:59:07] [INFO ] Dead Transitions using invariants and state equation in 2016 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2825 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 p1), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(LT s342 1), p1:(LT s123 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 2477 ms.
Stack based approach found an accepted trace after 1495 steps with 0 reset with depth 1496 and stack size 1490 in 21 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-10 finished in 5462 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(p0)) U (X(X(p1))||F(p2))))'
Support contains 3 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 14 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2023-03-08 14:59:09] [INFO ] Invariant cache hit.
[2023-03-08 14:59:09] [INFO ] Implicit Places using invariants in 67 ms returned []
[2023-03-08 14:59:09] [INFO ] Invariant cache hit.
[2023-03-08 14:59:10] [INFO ] Implicit Places using invariants and state equation in 639 ms returned []
Implicit Place search using SMT with State Equation took 709 ms to find 0 implicit places.
[2023-03-08 14:59:10] [INFO ] Invariant cache hit.
[2023-03-08 14:59:12] [INFO ] Dead Transitions using invariants and state equation in 1649 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2375 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2)]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) p0 (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={} source=1 dest: 0}], [{ cond=(NOT p2), acceptance={} source=2 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p2:(GEQ s396 1), p0:(GEQ s320 1), p1:(LT s136 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 585 ms.
Product exploration explored 100000 steps with 33333 reset in 458 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 : [(AND (NOT p2) (NOT p0) p1), (X (NOT p2)), (X (X (NOT (AND (NOT p2) p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))))
Knowledge based reduction with 4 factoid took 112 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Diffusion2D-PT-D20N050-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-12 finished in 3720 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' '!((p0 U X(X(G(!p1)))))'
Support contains 2 out of 400 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 400/400 places, 2964/2964 transitions.
Applied a total of 0 rules in 23 ms. Remains 400 /400 variables (removed 0) and now considering 2964/2964 (removed 0) transitions.
[2023-03-08 14:59:13] [INFO ] Invariant cache hit.
[2023-03-08 14:59:13] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-08 14:59:13] [INFO ] Invariant cache hit.
[2023-03-08 14:59:14] [INFO ] Implicit Places using invariants and state equation in 740 ms returned []
Implicit Place search using SMT with State Equation took 850 ms to find 0 implicit places.
[2023-03-08 14:59:14] [INFO ] Invariant cache hit.
[2023-03-08 14:59:16] [INFO ] Dead Transitions using invariants and state equation in 1652 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2528 ms. Remains : 400/400 places, 2964/2964 transitions.
Stuttering acceptance computed with spot in 113 ms :[p1, p1, true, p1]
Running random walk in product with property : Diffusion2D-PT-D20N050-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=p1, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1), acceptance={0} source=3 dest: 3}]], initial=3, aps=[p1:(LT s123 1), p0:(AND (GEQ s123 1) (LT s375 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Diffusion2D-PT-D20N050-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Diffusion2D-PT-D20N050-LTLFireability-13 finished in 2669 ms.
All properties solved by simple procedures.
Total runtime 48560 ms.
ITS solved all properties within timeout

BK_STOP 1678287557454

--------------------
content from stderr:

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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-D20N050"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is Diffusion2D-PT-D20N050, 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 r135-smll-167819413700164"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N050.tgz
mv Diffusion2D-PT-D20N050 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;