Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2020-input.r175-csrt-158987856500246.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is NoC3x3-PT-5A, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-csrt-158987856500246
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 3.6K Apr 8 15:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 8 15:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 7 18:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 7 18:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K Apr 14 12:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 14 12:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 6 20:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Apr 6 20:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 6 04:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 6 04:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 6 20:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 6 20:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 248K Mar 24 05:37 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1591178980217

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 10:09:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 1800, -rebuildPNML]
[2020-06-03 10:09:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 10:09:42] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2020-06-03 10:09:42] [INFO ] Transformed 417 places.
[2020-06-03 10:09:42] [INFO ] Transformed 933 transitions.
[2020-06-03 10:09:42] [INFO ] Found NUPN structural information;
[2020-06-03 10:09:42] [INFO ] Parsed PT model containing 417 places and 933 transitions in 185 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 42 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.11833KB memory used
Starting structural reductions, iteration 0 : 417/417 places, 933/933 transitions.
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 417 transition count 933
Deduced a syphon composed of 55 places in 2 ms
Reduce places removed 55 places and 101 transitions.
Iterating global reduction 0 with 110 rules applied. Total rules applied 165 place count 362 transition count 832
Symmetric choice reduction at 0 with 4 rule applications. Total rules 169 place count 362 transition count 832
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 16 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 177 place count 358 transition count 816
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 185 place count 358 transition count 808
Drop transitions removed 39 transitions
Redundant transition composition rules discarded 39 transitions
Iterating global reduction 1 with 39 rules applied. Total rules applied 224 place count 358 transition count 769
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 226 place count 356 transition count 769
Symmetric choice reduction at 2 with 2 rule applications. Total rules 228 place count 356 transition count 769
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 6 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 232 place count 354 transition count 763
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 233 place count 353 transition count 762
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 240 place count 346 transition count 762
Applied a total of 240 rules in 227 ms. Remains 346 /417 variables (removed 71) and now considering 762/933 (removed 171) transitions.
Finished structural reductions, in 1 iterations. Remains : 346/417 places, 762/933 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3341 ms (no deadlock found). (steps per millisecond=374 )
Random directed walk for 1250000 steps, including 0 resets, run took 3837 ms (no deadlock found). (steps per millisecond=325 )
[2020-06-03 10:09:50] [INFO ] Flow matrix only has 719 transitions (discarded 43 similar events)
// Phase 1: matrix 719 rows 346 cols
[2020-06-03 10:09:50] [INFO ] Computed 57 place invariants in 26 ms
[2020-06-03 10:09:51] [INFO ] [Real]Absence check using 57 positive place invariants in 224 ms returned sat
[2020-06-03 10:09:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 10:09:52] [INFO ] [Real]Absence check using state equation in 844 ms returned sat
[2020-06-03 10:09:52] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 10:09:52] [INFO ] [Nat]Absence check using 57 positive place invariants in 32 ms returned sat
[2020-06-03 10:09:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 10:09:54] [INFO ] [Nat]Absence check using state equation in 1235 ms returned sat
[2020-06-03 10:09:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2020-06-03 10:09:54] [INFO ] [Nat]Added 18 Read/Feed constraints in 138 ms returned sat
[2020-06-03 10:09:55] [INFO ] Deduced a trap composed of 18 places in 667 ms
[2020-06-03 10:09:55] [INFO ] Deduced a trap composed of 29 places in 300 ms
[2020-06-03 10:09:56] [INFO ] Deduced a trap composed of 38 places in 294 ms
[2020-06-03 10:09:56] [INFO ] Deduced a trap composed of 22 places in 217 ms
[2020-06-03 10:09:56] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1993 ms
[2020-06-03 10:09:56] [INFO ] Computed and/alt/rep : 731/3087/688 causal constraints in 79 ms.
[2020-06-03 10:10:14] [INFO ] Added : 637 causal constraints over 128 iterations in 18179 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 73 ms.
Parikh directed walk for 175000 steps, including 687 resets, run took 768 ms. (steps per millisecond=227 )
Random directed walk for 500002 steps, including 0 resets, run took 1504 ms (no deadlock found). (steps per millisecond=332 )
Random walk for 500000 steps, including 0 resets, run took 1176 ms (no deadlock found). (steps per millisecond=425 )
Random directed walk for 500000 steps, including 0 resets, run took 1455 ms (no deadlock found). (steps per millisecond=343 )
Random walk for 500000 steps, including 0 resets, run took 1119 ms (no deadlock found). (steps per millisecond=446 )
[2020-06-03 10:10:21] [INFO ] Flatten gal took : 217 ms
[2020-06-03 10:10:21] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 13 ms.
[2020-06-03 10:10:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 12 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ NoC3x3-PT-5A @ 1770 seconds
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16427332 kB
MemFree: 10669616 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16157384 kB

--------------------
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="NoC3x3-PT-5A"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itslola"
echo " Input is NoC3x3-PT-5A, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r175-csrt-158987856500246"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5A.tgz
mv NoC3x3-PT-5A execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;