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-158987856800466.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 Peterson-PT-7, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-csrt-158987856800466
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.0M
-rw-r--r-- 1 mcc users 115K Apr 27 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 313K Apr 27 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 107K Apr 27 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 339K Apr 27 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 27 15:14 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 136K Apr 27 15:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 403K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 81K Apr 27 15:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 272K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 134K Apr 27 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 354K Apr 27 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 98K Apr 27 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 322K Apr 27 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 45K Apr 27 15:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 93K Apr 27 15:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Apr 27 15:14 equiv_col
-rw-r--r-- 1 mcc users 2 Apr 27 15:14 instance
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 iscolored
-rw-r--r-- 1 mcc users 2.3M Apr 27 15:14 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 1591179173688

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 10:12:56] [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 10:12:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 10:12:56] [INFO ] Load time of PNML (sax parser for PT used): 278 ms
[2020-06-03 10:12:56] [INFO ] Transformed 1992 places.
[2020-06-03 10:12:56] [INFO ] Transformed 3096 transitions.
[2020-06-03 10:12:56] [INFO ] Parsed PT model containing 1992 places and 3096 transitions in 367 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 60 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 7 ms.17782KB memory used
Starting structural reductions, iteration 0 : 1992/1992 places, 3096/3096 transitions.
Performed 896 Post agglomeration using F-continuation condition.Transition count delta: 896
Iterating post reduction 0 with 896 rules applied. Total rules applied 896 place count 1992 transition count 2200
Reduce places removed 896 places and 0 transitions.
Iterating post reduction 1 with 896 rules applied. Total rules applied 1792 place count 1096 transition count 2200
Performed 448 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 448 Pre rules applied. Total rules applied 1792 place count 1096 transition count 1752
Deduced a syphon composed of 448 places in 5 ms
Reduce places removed 448 places and 0 transitions.
Iterating global reduction 2 with 896 rules applied. Total rules applied 2688 place count 648 transition count 1752
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 3 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 2800 place count 592 transition count 1696
Applied a total of 2800 rules in 548 ms. Remains 592 /1992 variables (removed 1400) and now considering 1696/3096 (removed 1400) transitions.
Finished structural reductions, in 1 iterations. Remains : 592/1992 places, 1696/3096 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3295 ms (no deadlock found). (steps per millisecond=379 )
Random directed walk for 1250000 steps, including 0 resets, run took 4984 ms (no deadlock found). (steps per millisecond=250 )
[2020-06-03 10:13:05] [INFO ] Flow matrix only has 1360 transitions (discarded 336 similar events)
// Phase 1: matrix 1360 rows 592 cols
[2020-06-03 10:13:05] [INFO ] Computed 31 place invariants in 27 ms
[2020-06-03 10:13:06] [INFO ] [Real]Absence check using 23 positive place invariants in 47 ms returned sat
[2020-06-03 10:13:07] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 18 ms returned sat
[2020-06-03 10:13:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 10:13:09] [INFO ] [Real]Absence check using state equation in 1984 ms returned sat
[2020-06-03 10:13:09] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 10:13:10] [INFO ] [Nat]Absence check using 23 positive place invariants in 29 ms returned sat
[2020-06-03 10:13:10] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 45 ms returned unsat
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION

--------------------
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="Peterson-PT-7"
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 Peterson-PT-7, 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-158987856800466"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-7.tgz
mv Peterson-PT-7 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 ;