fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r132-tall-162075428500340
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for LamportFastMutEx-PT-6

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
241.516 3600000.00 14120.00 180.30 TFFTFFFFTFFTTTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r132-tall-162075428500340.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is LamportFastMutEx-PT-6, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r132-tall-162075428500340
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 58K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 312K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 127K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 635K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 12K Apr 26 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Apr 26 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 26 07:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 26 07:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.1K Mar 27 06:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 27 06:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Mar 25 07:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 25 07:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.2K Mar 22 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 2 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 208K May 5 16:51 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 LamportFastMutEx-PT-6-ReachabilityFireability-00
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-01
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-02
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-03
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-04
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-05
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-06
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-07
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-08
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-09
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-10
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-11
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-12
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-13
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-14
FORMULA_NAME LamportFastMutEx-PT-6-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620933566027

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 19:19:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-13 19:19:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 19:19:28] [INFO ] Load time of PNML (sax parser for PT used): 80 ms
[2021-05-13 19:19:28] [INFO ] Transformed 217 places.
[2021-05-13 19:19:28] [INFO ] Transformed 420 transitions.
[2021-05-13 19:19:28] [INFO ] Found NUPN structural information;
[2021-05-13 19:19:28] [INFO ] Completing missing partition info from NUPN : creating a component with [P_start_1_0, P_start_1_1, P_start_1_2, P_start_1_3, P_start_1_4, P_start_1_5, P_start_1_6, P_b_0_false, P_b_0_true, P_b_1_false, P_b_1_true, P_b_2_false, P_b_2_true, P_b_3_false, P_b_3_true, P_b_4_false, P_b_4_true, P_b_5_false, P_b_5_true, P_b_6_false, P_b_6_true, P_setx_3_0, P_setx_3_1, P_setx_3_2, P_setx_3_3, P_setx_3_4, P_setx_3_5, P_setx_3_6, P_setbi_5_0, P_setbi_5_1, P_setbi_5_2, P_setbi_5_3, P_setbi_5_4, P_setbi_5_5, P_setbi_5_6, P_ify0_4_0, P_ify0_4_1, P_ify0_4_2, P_ify0_4_3, P_ify0_4_4, P_ify0_4_5, P_ify0_4_6, P_sety_9_0, P_sety_9_1, P_sety_9_2, P_sety_9_3, P_sety_9_4, P_sety_9_5, P_sety_9_6, P_ifxi_10_0, P_ifxi_10_1, P_ifxi_10_2, P_ifxi_10_3, P_ifxi_10_4, P_ifxi_10_5, P_ifxi_10_6, P_setbi_11_0, P_setbi_11_1, P_setbi_11_2, P_setbi_11_3, P_setbi_11_4, P_setbi_11_5, P_setbi_11_6, P_fordo_12_0, P_fordo_12_1, P_fordo_12_2, P_fordo_12_3, P_fordo_12_4, P_fordo_12_5, P_fordo_12_6, P_wait_0_0, P_wait_0_1, P_wait_0_2, P_wait_0_3, P_wait_0_4, P_wait_0_5, P_wait_0_6, P_wait_1_0, P_wait_1_1, P_wait_1_2, P_wait_1_3, P_wait_1_4, P_wait_1_5, P_wait_1_6, P_wait_2_0, P_wait_2_1, P_wait_2_2, P_wait_2_3, P_wait_2_4, P_wait_2_5, P_wait_2_6, P_wait_3_0, P_wait_3_1, P_wait_3_2, P_wait_3_3, P_wait_3_4, P_wait_3_5, P_wait_3_6, P_wait_4_0, P_wait_4_1, P_wait_4_2, P_wait_4_3, P_wait_4_4, P_wait_4_5, P_wait_4_6, P_wait_5_0, P_wait_5_1, P_wait_5_2, P_wait_5_3, P_wait_5_4, P_wait_5_5, P_wait_5_6, P_wait_6_0, P_wait_6_1, P_wait_6_2, P_wait_6_3, P_wait_6_4, P_wait_6_5, P_wait_6_6, P_await_13_0, P_await_13_1, P_await_13_2, P_await_13_3, P_await_13_4, P_await_13_5, P_await_13_6, P_done_0_0, P_done_0_1, P_done_0_2, P_done_0_3, P_done_0_4, P_done_0_5, P_done_0_6, P_done_1_0, P_done_1_1, P_done_1_2, P_done_1_3, P_done_1_4, P_done_1_5, P_done_1_6, P_done_2_0, P_done_2_1, P_done_2_2, P_done_2_3, P_done_2_4, P_done_2_5, P_done_2_6, P_done_3_0, P_done_3_1, P_done_3_2, P_done_3_3, P_done_3_4, P_done_3_5, P_done_3_6, P_done_4_0, P_done_4_1, P_done_4_2, P_done_4_3, P_done_4_4, P_done_4_5, P_done_4_6, P_done_5_0, P_done_5_1, P_done_5_2, P_done_5_3, P_done_5_4, P_done_5_5, P_done_5_6, P_done_6_0, P_done_6_1, P_done_6_2, P_done_6_3, P_done_6_4, P_done_6_5, P_done_6_6, P_ifyi_15_0, P_ifyi_15_1, P_ifyi_15_2, P_ifyi_15_3, P_ifyi_15_4, P_ifyi_15_5, P_ifyi_15_6, P_awaity_0, P_awaity_1, P_awaity_2, P_awaity_3, P_awaity_4, P_awaity_5, P_awaity_6, P_CS_21_0, P_CS_21_1, P_CS_21_2, P_CS_21_3, P_CS_21_4, P_CS_21_5, P_CS_21_6, P_setbi_24_0, P_setbi_24_1, P_setbi_24_2, P_setbi_24_3, P_setbi_24_4, P_setbi_24_5, P_setbi_24_6]
[2021-05-13 19:19:28] [INFO ] Parsed PT model containing 217 places and 420 transitions in 127 ms.
Deduced a syphon composed of 41 places in 3 ms
Reduce places removed 41 places and 66 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 42 ms.
Working with output stream class java.io.PrintStream
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 78 ms. (steps per millisecond=128 ) properties seen :[1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0]
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 22 ms. (steps per millisecond=454 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 30 ms. (steps per millisecond=333 ) properties seen :[0, 0, 0, 0, 0, 0]
[2021-05-13 19:19:28] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
// Phase 1: matrix 264 rows 176 cols
[2021-05-13 19:19:28] [INFO ] Computed 50 place invariants in 10 ms
[2021-05-13 19:19:28] [INFO ] [Real]Absence check using 50 positive place invariants in 32 ms returned sat
[2021-05-13 19:19:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 19:19:28] [INFO ] [Real]Absence check using state equation in 128 ms returned sat
[2021-05-13 19:19:28] [INFO ] State equation strengthened by 84 read => feed constraints.
[2021-05-13 19:19:28] [INFO ] [Real]Added 84 Read/Feed constraints in 16 ms returned sat
[2021-05-13 19:19:28] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 19:19:28] [INFO ] [Nat]Absence check using 50 positive place invariants in 24 ms returned sat
[2021-05-13 19:19:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 19:19:28] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2021-05-13 19:19:28] [INFO ] [Nat]Added 84 Read/Feed constraints in 12 ms returned sat
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 9 places in 102 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 23 places in 87 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 22 places in 81 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 9 places in 80 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 44 places in 86 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 17 places in 76 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 19 places in 79 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 9 places in 64 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 19 places in 57 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 14 places in 57 ms
[2021-05-13 19:19:29] [INFO ] Deduced a trap composed of 13 places in 53 ms
[2021-05-13 19:19:29] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 926 ms
[2021-05-13 19:19:29] [INFO ] [Real]Absence check using 50 positive place invariants in 15 ms returned unsat
[2021-05-13 19:19:30] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2021-05-13 19:19:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 19:19:30] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2021-05-13 19:19:30] [INFO ] [Real]Added 84 Read/Feed constraints in 12 ms returned sat
[2021-05-13 19:19:30] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 19:19:30] [INFO ] [Nat]Absence check using 50 positive place invariants in 19 ms returned sat
[2021-05-13 19:19:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 19:19:30] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2021-05-13 19:19:30] [INFO ] [Nat]Added 84 Read/Feed constraints in 12 ms returned sat
[2021-05-13 19:19:30] [INFO ] Deduced a trap composed of 9 places in 67 ms
[2021-05-13 19:19:30] [INFO ] Deduced a trap composed of 38 places in 63 ms
[2021-05-13 19:19:30] [INFO ] Deduced a trap composed of 8 places in 25 ms
[2021-05-13 19:19:30] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 201 ms
[2021-05-13 19:19:30] [INFO ] Computed and/alt/rep : 348/2412/258 causal constraints in 22 ms.
[2021-05-13 19:19:31] [INFO ] Added : 223 causal constraints over 45 iterations in 1186 ms. Result :sat
[2021-05-13 19:19:31] [INFO ] Deduced a trap composed of 15 places in 51 ms
[2021-05-13 19:19:31] [INFO ] Deduced a trap composed of 9 places in 23 ms
[2021-05-13 19:19:31] [INFO ] Deduced a trap composed of 9 places in 19 ms
[2021-05-13 19:19:31] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 190 ms
Attempting to minimize the solution found.
Minimization took 22 ms.
[2021-05-13 19:19:31] [INFO ] [Real]Absence check using 50 positive place invariants in 24 ms returned unsat
[2021-05-13 19:19:32] [INFO ] [Real]Absence check using 50 positive place invariants in 16 ms returned unsat
[2021-05-13 19:19:32] [INFO ] [Real]Absence check using 50 positive place invariants in 7 ms returned unsat
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 73400 steps, including 1000 resets, run finished after 243 ms. (steps per millisecond=302 ) properties seen :[0] could not realise parikh vector
Support contains 6 out of 176 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 176/176 places, 354/354 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 170 transition count 348
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 170 transition count 342
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 24 place count 164 transition count 342
Applied a total of 24 rules in 87 ms. Remains 164 /176 variables (removed 12) and now considering 342/354 (removed 12) transitions.
Finished structural reductions, in 1 iterations. Remains : 164/176 places, 342/354 transitions.
Finished random walk after 78715 steps, including 0 resets, run visited all 1 properties in 241 ms. (steps per millisecond=326 )
FORMULA LamportFastMutEx-PT-6-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

--------------------
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="LamportFastMutEx-PT-6"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool gold2020"
echo " Input is LamportFastMutEx-PT-6, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r132-tall-162075428500340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-6.tgz
mv LamportFastMutEx-PT-6 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;