Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r109-smll-162075343800007.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-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 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 r109-smll-162075343800007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 364K
-rw-r--r-- 1 mcc users 7.3K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Mar 28 16:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 16:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 23 11:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 23 11:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 22 19:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 22 19:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 69K May 5 16:51 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 1620891027462

Running Version 0
[2021-05-13 07:30:31] [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]
[2021-05-13 07:30:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 07:30:32] [INFO ] Load time of PNML (sax parser for PT used): 120 ms
[2021-05-13 07:30:32] [INFO ] Transformed 268 places.
[2021-05-13 07:30:32] [INFO ] Transformed 305 transitions.
[2021-05-13 07:30:32] [INFO ] Found NUPN structural information;
[2021-05-13 07:30:32] [INFO ] Parsed PT model containing 268 places and 305 transitions in 194 ms.
Starting structural reductions, 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 1 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 84 ms. Remains 53 /268 variables (removed 215) and now considering 80/305 (removed 225) transitions.
[2021-05-13 07:30:32] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2021-05-13 07:30:32] [INFO ] Computed 6 place invariants in 11 ms
[2021-05-13 07:30:32] [INFO ] Implicit Places using invariants in 328 ms returned []
[2021-05-13 07:30:32] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2021-05-13 07:30:32] [INFO ] Computed 6 place invariants in 3 ms
[2021-05-13 07:30:32] [INFO ] State equation strengthened by 25 read => feed constraints.
[2021-05-13 07:30:33] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 736 ms to find 0 implicit places.
[2021-05-13 07:30:33] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2021-05-13 07:30:33] [INFO ] Computed 6 place invariants in 9 ms
[2021-05-13 07:30:33] [INFO ] Dead Transitions using invariants and state equation in 163 ms returned []
Finished structural reductions, in 1 iterations. Remains : 53/268 places, 80/305 transitions.
Discarding 42 transitions out of 80. Remains 38
[2021-05-13 07:30:33] [INFO ] Initial state test concluded for 1 properties.
Incomplete random walk after 10000 steps, including 843 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 37) seen :28
Incomplete Best-First random walk after 10000 steps, including 98 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 97 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 99 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 99 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 97 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 100 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 61 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 9) seen :6
Running SMT prover for 3 properties.
[2021-05-13 07:30:33] [INFO ] Flow matrix only has 69 transitions (discarded 11 similar events)
// Phase 1: matrix 69 rows 53 cols
[2021-05-13 07:30:33] [INFO ] Computed 6 place invariants in 2 ms
[2021-05-13 07:30:33] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2021-05-13 07:30:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:33] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2021-05-13 07:30:33] [INFO ] State equation strengthened by 25 read => feed constraints.
[2021-05-13 07:30:33] [INFO ] [Real]Added 25 Read/Feed constraints in 39 ms returned sat
[2021-05-13 07:30:33] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 07:30:33] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2021-05-13 07:30:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:33] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2021-05-13 07:30:33] [INFO ] [Nat]Added 25 Read/Feed constraints in 15 ms returned sat
[2021-05-13 07:30:33] [INFO ] Computed and/alt/rep : 34/172/34 causal constraints (skipped 34 transitions) in 11 ms.
[2021-05-13 07:30:33] [INFO ] Added : 34 causal constraints over 7 iterations in 139 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 7 ms.
[2021-05-13 07:30:33] [INFO ] [Real]Absence check using 6 positive place invariants in 10 ms returned sat
[2021-05-13 07:30:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:34] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Real]Added 25 Read/Feed constraints in 25 ms returned sat
[2021-05-13 07:30:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 07:30:34] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:34] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Nat]Added 25 Read/Feed constraints in 9 ms returned sat
[2021-05-13 07:30:34] [INFO ] Computed and/alt/rep : 34/172/34 causal constraints (skipped 34 transitions) in 17 ms.
[2021-05-13 07:30:34] [INFO ] Added : 34 causal constraints over 7 iterations in 163 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
[2021-05-13 07:30:34] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:34] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Real]Added 25 Read/Feed constraints in 19 ms returned sat
[2021-05-13 07:30:34] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 07:30:34] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 07:30:34] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2021-05-13 07:30:34] [INFO ] [Nat]Added 25 Read/Feed constraints in 7 ms returned sat
[2021-05-13 07:30:34] [INFO ] Computed and/alt/rep : 34/172/34 causal constraints (skipped 34 transitions) in 15 ms.
[2021-05-13 07:30:34] [INFO ] Added : 34 causal constraints over 7 iterations in 117 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Incomplete Parikh walk after 9900 steps, including 952 resets, run finished after 50 ms. (steps per millisecond=198 ) properties (out of 3) seen :0 could not realise parikh vector
Incomplete Parikh walk after 10000 steps, including 963 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 3) seen :1 could not realise parikh vector
Incomplete Parikh walk after 10200 steps, including 987 resets, run finished after 54 ms. (steps per millisecond=188 ) properties (out of 2) seen :0 could not realise parikh vector
Support contains 3 out of 53 places. Attempting structural reductions.
Starting structural reductions, 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 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 15 place count 50 transition count 65
Iterating global reduction 1 with 3 rules applied. Total rules applied 18 place count 50 transition count 65
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 20 place count 49 transition count 82
Free-agglomeration rule applied 21 times.
Iterating global reduction 1 with 21 rules applied. Total rules applied 41 place count 49 transition count 61
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 71 place count 28 transition count 52
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 78 place count 28 transition count 45
Applied a total of 78 rules in 38 ms. Remains 28 /53 variables (removed 25) and now considering 45/80 (removed 35) transitions.
Finished structural reductions, in 1 iterations. Remains : 28/53 places, 45/80 transitions.
[2021-05-13 07:30:35] [INFO ] Flatten gal took : 53 ms
[2021-05-13 07:30:35] [INFO ] Flatten gal took : 17 ms
[2021-05-13 07:30:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15476847283200166938.gal : 11 ms
[2021-05-13 07:30:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10865634193408866996.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality15476847283200166938.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality10865634193408866996.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality15476847283200166938.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality10865634193408866996.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality10865634193408866996.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 25
Reachability property qltransition_51 is true.
Reachability property qltransition_35 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 9 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,77,0.034367,4488,2,80,9,568,6,0,157,426,0
Total reachable state count : 77

Verifying 2 reachability properties.
Reachability property qltransition_35 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_35,8,0.035949,4488,2,38,9,568,7,0,161,426,0
Reachability property qltransition_51 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_51,8,0.036303,4488,2,38,9,568,8,0,163,426,0
Able to resolve query QuasiLiveness after proving 38 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE

BK_STOP 1620891036778

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

+ 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
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -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=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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 r109-smll-162075343800007"
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 ;