Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r150-tall-177961076500286.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=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 2-5973
Executing tool TY
Input is GPPP-PT-C0001N0000100000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-tall-177961076500286
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 8.4K Mar 7 11:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 7 11:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 11:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 7 11:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 17 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 17 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 17 09:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 11:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 7 11:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 11:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 7 11:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 17 09:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 17 09:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 17 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1 Mar 3 18:30 large_marking
-rw-r--r-- 1 mcc users 21K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-00
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-01
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-02
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-03
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-04
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-05
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-06
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-07
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-08
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-09
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-10
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-11
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-12
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-13
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-14
FORMULA_NAME GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1780172803423

FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-00 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-01 TRUE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-02 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-03 TRUE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-05 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-06 TRUE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-08 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-09 TRUE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-10 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-11 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-12 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-13 FALSE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-14 TRUE TECHNIQUES EXPLICIT
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-04 CANNOT_COMPUTE TECHNIQUES EXPLICIT BFS STRUCTURAL TOPOLOGICAL
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-07 CANNOT_COMPUTE TECHNIQUES EXPLICIT BFS STRUCTURAL TOPOLOGICAL
FORMULA GPPP-PT-C0001N0000100000-ReachabilityCardinality-2024-15 CANNOT_COMPUTE TECHNIQUES EXPLICIT BFS STRUCTURAL TOPOLOGICAL

BK_STOP 1780176400345

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

TY MCC
Host: mcc2026
BK_TOOL: TY
Input: /home/mcc/execution
Examination: ReachabilityCardinality
Threads: 4
Storage: /tmp/ty-mcc-storage
Fingerprint set backend: cas
Backend evidence: /tmp/ty-mcc-storage/backend-capability.jsonl
auto-sized (FingerprintOnly): 33 places (27 packed, 194B exact) × 8B/place max = 242B/state → primary_capacity=359183462 state_limit=unbounded
IntelligenceBus: LP seeded 33 place bounds
IntelligenceBus: published 8 P-invariant constraints
BMC: ay not found, skipping bounded model checking
LP state equation seeded 13/16 reachability verdicts
MCC reachability_answer_lane_summary lane=post_smt_witness_bfs status=incomplete stop_reason=state_cap skip_reason=none property_count=16 residual_before=3 seeded=0 unresolved_after=3 visited_states=165888 configured_max_states=200000 effective_max_states=169466 phase_cap_ms=2000 completed=false elapsed_ms=585
AIGER encoding: 191 latches, 22 transitions, 25 constraints
preprocess: timeout (1957.3s) — skipping remaining phases
preprocess: latches 191->190->190 inputs 22->22->22 gates 3857->3854->3227 clauses 11894->9681 const_elim=0 scorr_elim=0(iters=0) frts_elim=0 bve_elim=0 frts_bve_iters=0 rewrite_elim=0 dag_rewrite_elim=0 refactor_elim=0 synthesis(rounds=0,gates=-0,depth=-0) ternary=0 ternary_sim=1 renumber=753
Compaction: max_var 3439->3439 (0% reduction)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 190 latches, 22 inputs, 25 constraints, 190 init_clauses, 9681 trans_clauses, 1 bad (trans/latch: 51.0x, constraint/latch: 0.1x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
lift: ternary prefilter removed 180/190 state lits
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
lift: ternary prefilter removed 181/190 state lits
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
lift: ternary prefilter removed 181/190 state lits
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=1 lemmas=[0] total=0 inf=0
lift: ternary prefilter removed 181/190 state lits
IC3 depth=1 blocked=0 natural_exit=true
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
lift: ternary prefilter removed 180/190 state lits
lift: ternary prefilter removed 180/190 state lits
lift: ternary prefilter removed 180/190 state lits
lift: ternary prefilter removed 174/190 state lits
lift: ternary prefilter removed 187/190 state lits
lift: ternary prefilter removed 182/190 state lits
lift: ternary prefilter removed 171/190 state lits
lift: ternary prefilter removed 187/190 state lits
lift: ternary prefilter removed 183/190 state lits
lift: ternary prefilter removed 187/190 state lits
lift: ternary prefilter removed 187/190 state lits
lift: ternary prefilter removed 180/190 state lits
lift: ternary prefilter removed 176/190 state lits
lift: ternary prefilter removed 173/190 state lits
lift: ternary prefilter removed 171/190 state lits
lift: ternary prefilter removed 171/190 state lits
lift: ternary prefilter removed 181/190 state lits
IC3 domain stats: consecution(restricted=7 fallback=0 rate=100.0%) mic(restricted=3 fallback=0 rate=100.0%) avg_coverage=25.8%
IC3 consecution stats: queries=7 unsat=3 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=7 full_solver=0
lift: ternary prefilter removed 178/190 state lits
IC3 domain stats: consecution(restricted=7 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=27.9%
IC3 consecution stats: queries=7 unsat=3 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=7 full_solver=0
IC3 domain stats: consecution(restricted=4 fallback=0 rate=100.0%) mic(restricted=6 fallback=0 rate=100.0%) avg_coverage=62.5%
IC3 consecution stats: queries=4 unsat=2 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=4 full_solver=0
IC3 domain stats: consecution(restricted=6 fallback=0 rate=100.0%) mic(restricted=5 fallback=0 rate=100.0%) avg_coverage=64.6%
IC3 consecution stats: queries=6 unsat=2 sat=3 unknown=1 verified=0 rejected=0 reject_rate=0.0% domain_restricted=6 full_solver=0
IC3 domain stats: consecution(restricted=5 fallback=0 rate=100.0%) mic(restricted=6 fallback=0 rate=100.0%) avg_coverage=21.1%
IC3 consecution stats: queries=5 unsat=2 sat=2 unknown=1 verified=0 rejected=0 reject_rate=0.0% domain_restricted=5 full_solver=0
IC3 domain stats: consecution(restricted=4 fallback=0 rate=100.0%) mic(restricted=5 fallback=0 rate=100.0%) avg_coverage=65.7%
IC3 consecution stats: queries=4 unsat=2 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=4 full_solver=0
IC3 domain stats: consecution(restricted=8 fallback=0 rate=100.0%) mic(restricted=12 fallback=0 rate=100.0%) avg_coverage=22.3%
IC3 consecution stats: queries=8 unsat=4 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=8 full_solver=0
IC3 domain stats: consecution(restricted=4 fallback=0 rate=100.0%) mic(restricted=6 fallback=0 rate=100.0%) avg_coverage=65.7%
IC3 consecution stats: queries=4 unsat=2 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=4 full_solver=0
IC3 domain stats: consecution(restricted=6 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=22.5%
IC3 consecution stats: queries=6 unsat=3 sat=3 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=6 full_solver=0
IC3 domain stats: consecution(restricted=4 fallback=0 rate=100.0%) mic(restricted=6 fallback=0 rate=100.0%) avg_coverage=65.7%
IC3 consecution stats: queries=4 unsat=2 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=4 full_solver=0
IC3 domain stats: consecution(restricted=4 fallback=0 rate=100.0%) mic(restricted=6 fallback=0 rate=100.0%) avg_coverage=24.2%
IC3 consecution stats: queries=4 unsat=2 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=4 full_solver=0
IC3 domain stats: consecution(restricted=5 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=69.9%
IC3 consecution stats: queries=5 unsat=3 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=5 full_solver=0
IC3 domain stats: consecution(restricted=6 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=22.5%
IC3 consecution stats: queries=6 unsat=3 sat=3 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=6 full_solver=0
IC3 domain stats: consecution(restricted=5 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=69.9%
IC3 consecution stats: queries=5 unsat=3 sat=2 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=5 full_solver=0
Portfolio: 4 thread(s) still running after 3s grace period — detaching (#4096)
Reachability: predicate-referenced transitions eliminated by reduction, falling back to unreduced BFS
fingerprint-only CAS resident target capped from 359183462 to 33554432 states
fingerprint-only: 1 states, depth 0, fp_set 536870912B, collision_guard 266B, workers 4
IntelligenceBus: 0 frontier states, 41 invariants, 33 bounds, 0/0 pruning checks hit

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="GPPP-PT-C0001N0000100000"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="TY"
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 2-5973"
echo " Executing tool TY"
echo " Input is GPPP-PT-C0001N0000100000, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r150-tall-177961076500286"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000100000.tgz
mv GPPP-PT-C0001N0000100000 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;