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-177961076500250.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)
.....................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool TY
Input is GPPP-PT-C0001N0000000010, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-tall-177961076500250
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 8.4K Mar 7 11:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 7 11:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 7 11:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 11:24 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 3.8K Mar 15 10:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 10:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 11:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 11:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 11:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 11:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:29 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-C0001N0000000010-CTLFireability-2024-00
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-01
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-02
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-03
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-04
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-05
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-06
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-07
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-08
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-09
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-10
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-11
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-12
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-13
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-14
FORMULA_NAME GPPP-PT-C0001N0000000010-CTLFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780168091716

FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-01 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-00 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-02 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-03 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-04 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-05 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-06 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-07 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-08 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-09 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-10 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-11 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-12 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-13 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-14 TRUE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL
FORMULA GPPP-PT-C0001N0000000010-CTLFireability-2024-15 FALSE TECHNIQUES EXPLICIT TEMPORAL_LOGIC BFS STRUCTURAL

BK_STOP 1780168226333

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

TY MCC
Host: mcc2026
BK_TOOL: TY
Input: /home/mcc/execution
Examination: CTLFireability
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, 172B exact) × 8B/place max = 220B/state → primary_capacity=359767744 state_limit=unbounded
CTL shallow routing: 1/16 properties routed to reachability
IntelligenceBus: LP seeded 33 place bounds
IntelligenceBus: published 8 P-invariant constraints
BMC: ay not found, skipping bounded model checking
MCC reachability_answer_lane_summary lane=post_smt_witness_bfs status=incomplete stop_reason=state_cap skip_reason=none property_count=1 residual_before=1 seeded=0 unresolved_after=1 visited_states=165888 configured_max_states=200000 effective_max_states=169466 phase_cap_ms=2000 completed=false elapsed_ms=623
AIGER encoding: 113 latches, 22 transitions, 25 constraints
preprocess: timeout (76.3s) — skipping remaining phases
preprocess: latches 112->112->112 inputs 22->22->22 gates 2025->2025->1744 clauses 6398->5232 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=0 renumber=404
Compaction: max_var 1878->1878 (0% reduction)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=1 lemmas=[0] total=0 inf=0
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
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
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
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
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, consec_verify: 1, crosscheck_disabled: false, predprop: false)
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, 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: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, 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 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: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, 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=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
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
IC3 depth=1 blocked=0 natural_exit=true
IC3: 112 latches, 22 inputs, 25 constraints, 112 init_clauses, 5232 trans_clauses, 1 bad (trans/latch: 46.7x, constraint/latch: 0.2x, 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 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=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
IC3 depth=2 lemmas=[0, 0] total=0 inf=0
BMC(geometric step=1): depth=25/50000 vars=48828 latches=112 elapsed=2.2s rate=11depth/s
BMC(step=1): depth=25/50000 vars=48828 latches=112 elapsed=2.2s rate=11depth/s
BMC(step=10): depth=30/50000 vars=58248 latches=112 elapsed=3.0s rate=1depth/s
BMC(step=10): depth=30/50000 vars=58248 latches=112 elapsed=3.3s rate=1depth/s
BMC(step=1): depth=29/50000 vars=56340 latches=112 elapsed=4.3s rate=7depth/s
BMC(geometric step=1): depth=29/50000 vars=56340 latches=112 elapsed=4.6s rate=6depth/s
IC3 domain stats: consecution(restricted=60 fallback=0 rate=100.0%) mic(restricted=105 fallback=0 rate=100.0%) avg_coverage=83.6%
IC3 consecution stats: queries=60 unsat=46 sat=14 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=60 full_solver=0
IC3 domain stats: consecution(restricted=106 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=57.8%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=106 unsat=3 sat=103 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=106 full_solver=0
IC3 domain stats: consecution(restricted=12 fallback=0 rate=100.0%) mic(restricted=61 fallback=0 rate=100.0%) avg_coverage=76.5%
IC3 consecution stats: queries=12 unsat=8 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=12 full_solver=0
IC3 domain stats: consecution(restricted=100 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=57.7%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=100 unsat=3 sat=97 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=100 full_solver=0
IC3 domain stats: consecution(restricted=117 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=58.4%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=117 unsat=3 sat=113 unknown=1 verified=0 rejected=0 reject_rate=0.0% domain_restricted=117 full_solver=0
IC3 domain stats: consecution(restricted=101 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=58.1%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=101 unsat=3 sat=98 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=101 full_solver=0
IC3 domain stats: consecution(restricted=52 fallback=0 rate=100.0%) mic(restricted=89 fallback=0 rate=100.0%) avg_coverage=81.1%
IC3 consecution stats: queries=52 unsat=38 sat=14 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=52 full_solver=0
IC3 domain stats: consecution(restricted=10 fallback=0 rate=100.0%) mic(restricted=55 fallback=0 rate=100.0%) avg_coverage=72.2%
IC3 consecution stats: queries=10 unsat=6 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=10 full_solver=0
IC3 domain stats: consecution(restricted=100 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=57.7%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=100 unsat=3 sat=97 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=100 full_solver=0
IC3 domain stats: consecution(restricted=110 fallback=0 rate=100.0%) mic(restricted=9 fallback=0 rate=100.0%) avg_coverage=57.9%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=110 unsat=3 sat=107 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=110 full_solver=0
IC3 domain stats: consecution(restricted=19 fallback=0 rate=100.0%) mic(restricted=53 fallback=0 rate=100.0%) avg_coverage=73.4%
IC3 consecution stats: queries=19 unsat=12 sat=7 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=19 full_solver=0
IC3 domain stats: consecution(restricted=11 fallback=0 rate=100.0%) mic(restricted=58 fallback=0 rate=100.0%) avg_coverage=74.6%
IC3 consecution stats: queries=11 unsat=7 sat=4 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=11 full_solver=0
IC3 domain stats: consecution(restricted=48 fallback=0 rate=100.0%) mic(restricted=76 fallback=0 rate=100.0%) avg_coverage=72.6%
IC3 consecution stats: queries=48 unsat=29 sat=19 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=48 full_solver=0
IC3 domain stats: consecution(restricted=102 fallback=0 rate=100.0%) mic(restricted=8 fallback=0 rate=100.0%) avg_coverage=57.7%
IC3 drop_po stats: 2 POs dropped (threshold=20.0)
IC3 consecution stats: queries=102 unsat=3 sat=99 unknown=0 verified=0 rejected=0 reject_rate=0.0% domain_restricted=102 full_solver=0
Random walk seeded 1/1 reachability verdicts

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-C0001N0000000010"
export BK_EXAMINATION="CTLFireability"
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-C0001N0000000010, 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 r150-tall-177961076500250"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000000010.tgz
mv GPPP-PT-C0001N0000000010 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "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.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
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;