Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2020-input.r185-oct2-158987931500411.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 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 LamportFastMutEx-PT-4, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r185-oct2-158987931500411
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 6.6K Apr 30 13:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 30 13:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 30 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 30 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 30 13:04 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 8.9K Apr 30 13:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K Apr 30 13:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Apr 30 13:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 30 13:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Apr 30 13:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 30 13:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 30 13:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 30 13:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Apr 30 13:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Apr 30 13:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Apr 30 13:04 equiv_col
-rw-r--r-- 1 mcc users 2 Apr 30 13:04 instance
-rw-r--r-- 1 mcc users 6 Apr 30 13:04 iscolored
-rw-r--r-- 1 mcc users 110K Apr 30 13:04 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 1591281378121

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 14:36:19] [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]
[2020-06-04 14:36:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 14:36:19] [INFO ] Load time of PNML (sax parser for PT used): 49 ms
[2020-06-04 14:36:19] [INFO ] Transformed 135 places.
[2020-06-04 14:36:19] [INFO ] Transformed 230 transitions.
[2020-06-04 14:36:19] [INFO ] Parsed PT model containing 135 places and 230 transitions in 85 ms.
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 50 transitions.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 12 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 4 ms.15224KB memory used
Starting structural reductions, iteration 0 : 102/102 places, 180/180 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 176
Applied a total of 8 rules in 22 ms. Remains 98 /102 variables (removed 4) and now considering 176/180 (removed 4) transitions.
Finished structural reductions, in 1 iterations. Remains : 98/102 places, 176/180 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1306 ms (no deadlock found). (steps per millisecond=957 )
Random directed walk for 1250000 steps, including 0 resets, run took 1056 ms (no deadlock found). (steps per millisecond=1183 )
[2020-06-04 14:36:22] [INFO ] Flow matrix only has 140 transitions (discarded 36 similar events)
// Phase 1: matrix 140 rows 98 cols
[2020-06-04 14:36:22] [INFO ] Computed 26 place invariants in 5 ms
[2020-06-04 14:36:22] [INFO ] [Real]Absence check using 26 positive place invariants in 14 ms returned sat
[2020-06-04 14:36:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 14:36:22] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2020-06-04 14:36:22] [INFO ] Solution in real domain found non-integer solution.
[2020-06-04 14:36:22] [INFO ] [Nat]Absence check using 26 positive place invariants in 7 ms returned sat
[2020-06-04 14:36:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-04 14:36:22] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2020-06-04 14:36:22] [INFO ] State equation strengthened by 48 read => feed constraints.
[2020-06-04 14:36:22] [INFO ] [Nat]Added 48 Read/Feed constraints in 19 ms returned sat
[2020-06-04 14:36:22] [INFO ] Deduced a trap composed of 9 places in 44 ms
[2020-06-04 14:36:22] [INFO ] Deduced a trap composed of 18 places in 69 ms
[2020-06-04 14:36:22] [INFO ] Deduced a trap composed of 18 places in 46 ms
[2020-06-04 14:36:22] [INFO ] Deduced a trap composed of 10 places in 47 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 9 places in 63 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 10 places in 91 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 9 places in 27 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 9 places in 79 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 9 places in 42 ms
[2020-06-04 14:36:23] [INFO ] Deduced a trap composed of 9 places in 29 ms
[2020-06-04 14:36:23] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 10 trap constraints in 705 ms
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="LamportFastMutEx-PT-4"
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 LamportFastMutEx-PT-4, 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 r185-oct2-158987931500411"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-4.tgz
mv LamportFastMutEx-PT-4 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 ;