Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r468-smll-171620166800014.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is Angiogenesis-PT-05, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r468-smll-171620166800014
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.5K Apr 22 14:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 19:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Apr 11 19:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 19:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Apr 11 19:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 33K May 18 16:42 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 Angiogenesis-PT-05-ReachabilityCardinality-2024-00
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-01
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-02
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-03
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-04
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-05
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-06
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-07
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-08
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-09
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-10
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-11
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-12
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-13
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-14
FORMULA_NAME Angiogenesis-PT-05-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717181945316

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Angiogenesis-PT-05
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:59:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-05-31 18:59:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:59:07] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2024-05-31 18:59:07] [INFO ] Transformed 39 places.
[2024-05-31 18:59:07] [INFO ] Transformed 64 transitions.
[2024-05-31 18:59:07] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 246 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 108 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40004 steps (12 resets) in 1497 ms. (26 steps per ms) remains 7/16 properties
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 704 ms. (56 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1198 ms. (33 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (8 resets) in 135 ms. (294 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 199 ms. (200 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 109 ms. (363 steps per ms) remains 7/7 properties
// Phase 1: matrix 64 rows 39 cols
[2024-05-31 18:59:08] [INFO ] Computed 8 invariants in 9 ms
Problem Angiogenesis-PT-05-ReachabilityCardinality-2024-05 is UNSAT
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem Angiogenesis-PT-05-ReachabilityCardinality-2024-13 is UNSAT
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem Angiogenesis-PT-05-ReachabilityCardinality-2024-15 is UNSAT
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 8/8 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 0/47 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 0/103 variables, 0/47 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 103/103 variables, and 47 constraints, problems are : Problem set: 3 solved, 4 unsolved in 436 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 5/5 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 4 unsolved
Problem Angiogenesis-PT-05-ReachabilityCardinality-2024-07 is UNSAT
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 2/39 variables, 3/8 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 3/50 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/50 constraints. Problems are: Problem set: 4 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/103 variables, 0/50 constraints. Problems are: Problem set: 4 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 103/103 variables, and 50 constraints, problems are : Problem set: 4 solved, 3 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 3/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 856ms problems are : Problem set: 4 solved, 3 unsolved
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-08 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 454 ms.
Support contains 27 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 64/64 transitions.
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 39 transition count 64
Applied a total of 1 rules in 41 ms. Remains 39 /39 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 39/39 places, 64/64 transitions.
RANDOM walk for 40001 steps (10 resets) in 304 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 142 ms. (279 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 515109 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 2
Probabilistic random walk after 515109 steps, saw 246146 distinct states, run finished after 3007 ms. (steps per millisecond=171 ) properties seen :0
// Phase 1: matrix 64 rows 39 cols
[2024-05-31 18:59:13] [INFO ] Computed 8 invariants in 2 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 12/39 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/103 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 103/103 variables, and 47 constraints, problems are : Problem set: 0 solved, 2 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 12/39 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/103 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 103/103 variables, and 49 constraints, problems are : Problem set: 0 solved, 2 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 300ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 71 ms.
Support contains 27 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 64/64 transitions.
Applied a total of 0 rules in 4 ms. Remains 39 /39 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 39/39 places, 64/64 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 64/64 transitions.
Applied a total of 0 rules in 4 ms. Remains 39 /39 variables (removed 0) and now considering 64/64 (removed 0) transitions.
[2024-05-31 18:59:13] [INFO ] Invariant cache hit.
[2024-05-31 18:59:13] [INFO ] Implicit Places using invariants in 69 ms returned [33, 35]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 84 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 37/39 places, 64/64 transitions.
Graph (trivial) has 2 edges and 37 vertex of which 2 / 37 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 36 transition count 61
Applied a total of 2 rules in 15 ms. Remains 36 /37 variables (removed 1) and now considering 61/64 (removed 3) transitions.
// Phase 1: matrix 61 rows 36 cols
[2024-05-31 18:59:13] [INFO ] Computed 6 invariants in 2 ms
[2024-05-31 18:59:14] [INFO ] Implicit Places using invariants in 34 ms returned []
[2024-05-31 18:59:14] [INFO ] Invariant cache hit.
[2024-05-31 18:59:14] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 36/39 places, 61/64 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 200 ms. Remains : 36/39 places, 61/64 transitions.
RANDOM walk for 40007 steps (15 resets) in 106 ms. (373 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 119 ms. (333 steps per ms) remains 2/2 properties
BEST_FIRST walk for 34319 steps (7 resets) in 116 ms. (293 steps per ms) remains 0/2 properties
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-05-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.
Total runtime 7174 ms.
ITS solved all properties within timeout

BK_STOP 1717181954286

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="Angiogenesis-PT-05"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Angiogenesis-PT-05, 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 r468-smll-171620166800014"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-05.tgz
mv Angiogenesis-PT-05 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;