Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r103-smll-165260579000007.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.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 2-4028
Executing tool itstools
Input is FlexibleBarrier-PT-04b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-smll-165260579000007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 272K
-rw-r--r-- 1 mcc users 6.2K Apr 29 13:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Apr 29 13:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Apr 29 13:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Apr 29 13:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 9 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 9 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 9 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 07:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 69K May 10 09:33 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1652628876706

Running Version 202205111006
[2022-05-15 15:34:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2022-05-15 15:34:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 15:34:39] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2022-05-15 15:34:39] [INFO ] Transformed 268 places.
[2022-05-15 15:34:39] [INFO ] Transformed 305 transitions.
[2022-05-15 15:34:39] [INFO ] Found NUPN structural information;
[2022-05-15 15:34:39] [INFO ] Parsed PT model containing 268 places and 305 transitions in 443 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 268/268 places, 305/305 transitions.
Graph (trivial) has 254 edges and 268 vertex of which 26 / 268 are part of one of the 4 SCC in 9 ms
Free SCC test removed 22 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Drop transitions removed 77 transitions
Trivial Post-agglo rules discarded 77 transitions
Performed 77 trivial Post agglomeration. Transition count delta: 77
Iterating post reduction 0 with 77 rules applied. Total rules applied 78 place count 246 transition count 205
Reduce places removed 77 places and 0 transitions.
Iterating post reduction 1 with 77 rules applied. Total rules applied 155 place count 169 transition count 205
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 155 place count 169 transition count 193
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 179 place count 157 transition count 193
Discarding 69 places :
Symmetric choice reduction at 2 with 69 rule applications. Total rules 248 place count 88 transition count 124
Iterating global reduction 2 with 69 rules applied. Total rules applied 317 place count 88 transition count 124
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 317 place count 88 transition count 122
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 321 place count 86 transition count 122
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 330 place count 77 transition count 113
Iterating global reduction 2 with 9 rules applied. Total rules applied 339 place count 77 transition count 113
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 348 place count 77 transition count 104
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 3 with 48 rules applied. Total rules applied 396 place count 53 transition count 80
Applied a total of 396 rules in 118 ms. Remains 53 /268 variables (removed 215) and now considering 80/305 (removed 225) transitions.
[2022-05-15 15:34:39] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2022-05-15 15:34:39] [INFO ] Computed 6 place invariants in 13 ms
[2022-05-15 15:34:40] [INFO ] Implicit Places using invariants in 441 ms returned []
[2022-05-15 15:34:40] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2022-05-15 15:34:40] [INFO ] Computed 6 place invariants in 4 ms
[2022-05-15 15:34:40] [INFO ] State equation strengthened by 25 read => feed constraints.
[2022-05-15 15:34:40] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 725 ms to find 0 implicit places.
[2022-05-15 15:34:40] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2022-05-15 15:34:40] [INFO ] Computed 6 place invariants in 6 ms
[2022-05-15 15:34:40] [INFO ] Dead Transitions using invariants and state equation in 153 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 53/268 places, 80/305 transitions.
Finished structural reductions, in 1 iterations. Remains : 53/268 places, 80/305 transitions.
Discarding 42 transitions out of 80. Remains 38
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 862 resets, run finished after 931 ms. (steps per millisecond=10 ) properties (out of 37) seen :27
Incomplete Best-First random walk after 10001 steps, including 98 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 98 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 98 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 103 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 99 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 61 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 10) seen :7
Running SMT prover for 3 properties.
[2022-05-15 15:34:42] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2022-05-15 15:34:42] [INFO ] Computed 6 place invariants in 8 ms
[2022-05-15 15:34:42] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2022-05-15 15:34:42] [INFO ] After 71ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2022-05-15 15:34:42] [INFO ] State equation strengthened by 25 read => feed constraints.
[2022-05-15 15:34:42] [INFO ] After 17ms SMT Verify possible using 25 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-15 15:34:42] [INFO ] After 185ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2022-05-15 15:34:42] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2022-05-15 15:34:42] [INFO ] After 80ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2022-05-15 15:34:42] [INFO ] After 39ms SMT Verify possible using 25 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2022-05-15 15:34:42] [INFO ] After 90ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 52 ms.
[2022-05-15 15:34:42] [INFO ] After 308ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 3 ms.
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 53/53 places, 80/80 transitions.
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 53 transition count 68
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 14 place count 51 transition count 66
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 51 transition count 66
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 50 transition count 83
Free-agglomeration rule applied 21 times.
Iterating global reduction 1 with 21 rules applied. Total rules applied 39 place count 50 transition count 62
Reduce places removed 21 places and 0 transitions.
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 30 rules applied. Total rules applied 69 place count 29 transition count 53
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 76 place count 29 transition count 46
Applied a total of 76 rules in 40 ms. Remains 29 /53 variables (removed 24) and now considering 46/80 (removed 34) transitions.
Finished structural reductions, in 1 iterations. Remains : 29/53 places, 46/80 transitions.
Finished random walk after 58 steps, including 1 resets, run visited all 3 properties in 3 ms. (steps per millisecond=19 )
Able to resolve query QuasiLiveness after proving 38 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3375 ms.

BK_STOP 1652628882673

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination QuasiLiveness -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="FlexibleBarrier-PT-04b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-4028"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-04b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r103-smll-165260579000007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;