Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r183-tall-167838870200282.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-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 2-5348
Executing tool ltsminxred
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 r183-tall-167838870200282
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 7.4K Feb 25 12:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 12:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 12:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 12:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Feb 25 12:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Feb 25 12:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 69K Mar 5 18:22 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 1678550924543

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-04b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-11 16:08:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-11 16:08:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 16:08:46] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2023-03-11 16:08:46] [INFO ] Transformed 268 places.
[2023-03-11 16:08:46] [INFO ] Transformed 305 transitions.
[2023-03-11 16:08:46] [INFO ] Found NUPN structural information;
[2023-03-11 16:08:46] [INFO ] Parsed PT model containing 268 places and 305 transitions and 743 arcs in 117 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 4 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
Performed 95 Post agglomeration using F-continuation condition.Transition count delta: 95
Deduced a syphon composed of 95 places in 0 ms
Reduce places removed 95 places and 0 transitions.
Iterating global reduction 2 with 190 rules applied. Total rules applied 369 place count 62 transition count 98
Applied a total of 369 rules in 31 ms. Remains 62 /268 variables (removed 206) and now considering 98/305 (removed 207) transitions.
[2023-03-11 16:08:46] [INFO ] Flow matrix only has 87 transitions (discarded 11 similar events)
// Phase 1: matrix 87 rows 62 cols
[2023-03-11 16:08:46] [INFO ] Computed 6 place invariants in 10 ms
[2023-03-11 16:08:46] [INFO ] Implicit Places using invariants in 232 ms returned []
[2023-03-11 16:08:46] [INFO ] Flow matrix only has 87 transitions (discarded 11 similar events)
[2023-03-11 16:08:46] [INFO ] Invariant cache hit.
[2023-03-11 16:08:46] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-11 16:08:46] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 354 ms to find 0 implicit places.
[2023-03-11 16:08:46] [INFO ] Flow matrix only has 87 transitions (discarded 11 similar events)
[2023-03-11 16:08:46] [INFO ] Invariant cache hit.
[2023-03-11 16:08:46] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 62/268 places, 98/305 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 459 ms. Remains : 62/268 places, 98/305 transitions.
Discarding 51 transitions out of 98. Remains 47
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 976 resets, run finished after 1694 ms. (steps per millisecond=5 ) properties (out of 46) seen :36
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 64 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 9) seen :4
Incomplete Best-First random walk after 10001 steps, including 80 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 81 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 80 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 76 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 81 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-11 16:08:48] [INFO ] Flow matrix only has 87 transitions (discarded 11 similar events)
[2023-03-11 16:08:48] [INFO ] Invariant cache hit.
[2023-03-11 16:08:48] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2023-03-11 16:08:48] [INFO ] After 56ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-11 16:08:48] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-11 16:08:48] [INFO ] After 10ms SMT Verify possible using 25 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 16:08:48] [INFO ] After 166ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 16:08:49] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2023-03-11 16:08:49] [INFO ] After 142ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 16:08:49] [INFO ] After 67ms SMT Verify possible using 25 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-11 16:08:49] [INFO ] After 179ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 66 ms.
[2023-03-11 16:08:49] [INFO ] After 466ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 3 properties in 277 ms.
Support contains 3 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 98/98 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 62 transition count 86
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 24 place count 50 transition count 74
Iterating global reduction 1 with 12 rules applied. Total rules applied 36 place count 50 transition count 74
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 45 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 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 49 transition count 82
Free-agglomeration rule applied 21 times.
Iterating global reduction 2 with 21 rules applied. Total rules applied 68 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 2 with 30 rules applied. Total rules applied 98 place count 28 transition count 52
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 3 with 7 rules applied. Total rules applied 105 place count 28 transition count 45
Applied a total of 105 rules in 35 ms. Remains 28 /62 variables (removed 34) and now considering 45/98 (removed 53) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 28/62 places, 45/98 transitions.
Finished random walk after 56 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=28 )
Able to resolve query QuasiLiveness after proving 47 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3501 ms.
ITS solved all properties within timeout

BK_STOP 1678550934256

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
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 r183-tall-167838870200282"
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 ;