fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r112-csrt-152666469400368
Last Updated
June 26, 2018

About the Execution of LoLA for ParamProductionCell-PT-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
241.040 3600000.00 114651.00 523.50 ?F???????TTT???? normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Waiting for the VM to be ready (probing ssh)
..................
/home/mcc/execution
total 340K
-rw-r--r-- 1 mcc users 4.2K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.2K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 115 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 353 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.6K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 2 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 167K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is ParamProductionCell-PT-3, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-csrt-152666469400368
=====================================================================


--------------------
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 ParamProductionCell-PT-3-CTLFireability-00
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-01
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-02
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-03
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-04
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-05
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-06
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-07
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-08
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-09
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-10
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-11
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-12
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-13
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-14
FORMULA_NAME ParamProductionCell-PT-3-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1527031945545

info: Time: 3600 - MCC
===========================================================================================
prep: translating ParamProductionCell-PT-3 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: added safe information to the net based on GenericPropertiesVerdict
prep: check for too many tokens
===========================================================================================
prep: translating ParamProductionCell-PT-3 formula CTLFireability into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking CTLFireability @ ParamProductionCell-PT-3 @ 3570 seconds
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 433/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 231
lola: finding significant places
lola: 231 places, 202 transitions, 172 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 320 transition conflict sets
lola: TASK
lola: reading formula from ParamProductionCell-PT-3-CTLFireability.task
lola: (NOT(E (F (((FIREABLE(CU_lift_Pstart) AND FIREABLE(A1L_grasp)) OR (FIREABLE(DB_deliver_Pstop) AND FIREABLE(FB_deliver_csc)))))) OR NOT(((NOT FIREABLE(A1U_rot3_Pstart) OR NOT FIREABLE(A2U_ret_csc) OR NOT FIREABLE(A2U_rot1_Cstop)) AND NOT(A (G (FIREABLE(DB_trans_Pstart))))))) : (NOT(A (F (E (F (FIREABLE(DB_deliver_Cstop)))))) OR A (X ((FIREABLE(CU_ungrasp) AND FIREABLE(FB_deliver_csc))))) : E (G ((NOT FIREABLE(A2U_ext_Pstart) AND NOT FIREABLE(A2L_rot2_Cstop)))) : E (F (E (G (FIREABLE(A2L_ret_csc))))) : E (F (A (F (FIREABLE(DB_trans_Pstop))))) : (E ((((FIREABLE(A2L_rot2_csc) AND FIREABLE(TU_rot_csc)) OR NOT FIREABLE(CL_trans_Pstop)) U A (F (FIREABLE(forge_Cstop))))) OR FIREABLE(A1L_grasp)) : E ((E ((FIREABLE(crane_lock_input_area) U FIREABLE(DB_trans_Pstop))) U ((NOT FIREABLE(A1U_rot1_Cstop) AND NOT FIREABLE(A2U_ext_Pstop)) AND E (G (FIREABLE(forge_Cstop)))))) : E (F (A (F (E (G (FIREABLE(CL_lift_Pstop))))))) : A (F (A (F (FIREABLE(FB_deliver_Cstop))))) : E (G (NOT((A (X (FIREABLE(arm1_lock_input_area))) AND A (G (FIREABLE(deposit_belt_unlock_input_area))))))) : (A (G (E (F (FIREABLE(arm2_lock_input_area))))) OR E (X (A (G ((FIREABLE(A1U_c1) OR FIREABLE(A1L_ext_Pstop))))))) : E (G (A (X (A (F (FIREABLE(crane_lock_input_area))))))) : NOT(((((FIREABLE(A1L_rot1_Pstop) OR FIREABLE(A2L_c1) OR NOT FIREABLE(DB_trans_Pstart)) OR A (F (FIREABLE(A1L_ret_csc)))) AND NOT(E (F (FIREABLE(A2U_ext_Pstop))))) AND (NOT(A (X (FIREABLE(A1L_rot3_Pstop)))) OR A ((FIREABLE(CU_lift_Pstart) U FIREABLE(A1L_rot1_Pstart)))))) : A (G (A (F (A (X (FIREABLE(CU_ungrasp))))))) : A (F (E (X (FIREABLE(A1L_rot1_Pstop))))) : A (G (NOT(NOT(E (F (FIREABLE(A2L_ret_csc)))))))
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: rewrite Frontend/Parser/formula_rewrite.k:449
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:455
lola: rewrite Frontend/Parser/formula_rewrite.k:455
lola: rewrite Frontend/Parser/formula_rewrite.k:392
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:338
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G (NOT FIREABLE(DB_deliver_Cstop))) OR A (X ((FIREABLE(CU_ungrasp) AND FIREABLE(FB_deliver_csc)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (NOT FIREABLE(DB_deliver_Cstop)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: processed formula: A (G (NOT FIREABLE(DB_deliver_Cstop)))
lola: processed formula length: 38
lola: 58 rewrites
lola: closed formula file ParamProductionCell-PT-3-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: formula 0: FIREABLE(DB_deliver_Cstop)
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 117 markings, 116 edges
lola: lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((FIREABLE(CU_ungrasp) AND FIREABLE(FB_deliver_csc))))
lola: ========================================
lola: SUBTASK
lola: state equation: write sara problem file to ParamProductionCell-PT-3-CTLFireability-0.sara
checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: processed formula: AX((FIREABLE(CU_ungrasp) AND FIREABLE(FB_deliver_csc)))
lola: processed formula length: 55
lola: 57 rewrites
lola: closed formula file ParamProductionCell-PT-3-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 0 markings, 0 edges
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================
lola: ========================================

FORMULA ParamProductionCell-PT-3-CTLFireability-1 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G ((E (X (NOT FIREABLE(arm1_lock_input_area))) OR E (F (NOT FIREABLE(deposit_belt_unlock_input_area))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: ========================================
lola: processed formula: NOT(A(TRUE U (NOT(EX(NOT FIREABLE(arm1_lock_input_area))) AND NOT(E(TRUE U NOT FIREABLE(deposit_belt_unlock_input_area))))))
lola: processed formula length: 124
lola: 60 rewrites
lola: closed formula file ParamProductionCell-PT-3-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 436 markings, 436 edges
lola: ========================================

FORMULA ParamProductionCell-PT-3-CTLFireability-9 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G (E (F (FIREABLE(arm2_lock_input_area))))) OR E (X (A (G ((FIREABLE(A1U_c1) OR FIREABLE(A1L_ext_Pstop)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E (F (FIREABLE(arm2_lock_input_area)))))
lola: ========================================
lola: SUBTASK
lola: checking liveness
lola: AGEF init
lola: rewrite Frontend/Parser/formula_rewrite.k:617
lola: processed formula: FIREABLE(arm2_lock_input_area)
lola: processed formula length: 30
lola: 57 rewrites
lola: closed formula file ParamProductionCell-PT-3-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using tscc preserving stubborn set method (--stubborn)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: tscc_search
lola: The predicate is live.
lola: 586423 markings, 799693 edges
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================
lola: ========================================

FORMULA ParamProductionCell-PT-3-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 3 will run for 274 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G (A (X (A (F (FIREABLE(crane_lock_input_area)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: processed formula: NOT(A(TRUE U NOT(AX(A(TRUE U FIREABLE(crane_lock_input_area))))))
lola: processed formula length: 65
lola: 59 rewrites
lola: closed formula file ParamProductionCell-PT-3-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: 719231 markings, 2624044 edges, 143846 markings/sec, 0 secs
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 1046176 markings, 3909960 edges
lola: ========================================

FORMULA ParamProductionCell-PT-3-CTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 4 will run for 296 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (((NOT FIREABLE(A1L_rot1_Pstop) AND NOT FIREABLE(A2L_c1) AND FIREABLE(DB_trans_Pstart)) AND E (G (NOT FIREABLE(A1L_ret_csc)))) OR (E (F (FIREABLE(A2U_ext_Pstop))) OR (A (X (FIREABLE(A1L_rot3_Pstop))) AND E ((NOT FIREABLE(CU_lift_Pstart) R NOT FIREABLE(A1L_rot1_Pstart))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: local time limit reached - aborting
lola:
preliminary result: unknown no unknown unknown unknown unknown unknown unknown unknown yes yes yes unknown unknown unknown unknown
lola: caught signal User defined signal 1 - aborting LoLA
lola: memory consumption: 14524 KB
lola: time consumption: 306 seconds
lola: time limit reached - aborting
lola:
preliminary result: unknown no unknown unknown unknown unknown unknown unknown unknown yes yes yes unknown unknown unknown unknown
lola:
preliminary result: unknown no unknown unknown unknown unknown unknown unknown unknown yes yes yes unknown unknown unknown unknown
lola: memory consumption: 14524 KB
lola: time consumption: 3570 seconds

BK_TIME_CONFINEMENT_REACHED

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

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="ParamProductionCell-PT-3"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="lola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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

tar xzf /home/mcc/BenchKit/INPUTS/ParamProductionCell-PT-3.tgz
mv ParamProductionCell-PT-3 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool lola"
echo " Input is ParamProductionCell-PT-3, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r112-csrt-152666469400368"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;