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.r277-smll-167863548500152.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 lolaxred
Input is NoC3x3-PT-2A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548500152
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.5K Feb 26 10:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 10:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Feb 26 10:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 26 10:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 127K Mar 5 18:23 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 1678872532266

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=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-2A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 09:28:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 09:28:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 09:28:55] [INFO ] Load time of PNML (sax parser for PT used): 266 ms
[2023-03-15 09:28:55] [INFO ] Transformed 361 places.
[2023-03-15 09:28:55] [INFO ] Transformed 428 transitions.
[2023-03-15 09:28:55] [INFO ] Found NUPN structural information;
[2023-03-15 09:28:55] [INFO ] Parsed PT model containing 361 places and 428 transitions and 1697 arcs in 433 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 361/361 places, 428/428 transitions.
Ensure Unique test removed 24 places
Drop transitions removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 337 transition count 404
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 72 place count 313 transition count 404
Applied a total of 72 rules in 52 ms. Remains 313 /361 variables (removed 48) and now considering 404/428 (removed 24) transitions.
[2023-03-15 09:28:55] [INFO ] Flow matrix only has 353 transitions (discarded 51 similar events)
// Phase 1: matrix 353 rows 313 cols
[2023-03-15 09:28:55] [INFO ] Computed 103 place invariants in 35 ms
[2023-03-15 09:28:56] [INFO ] Implicit Places using invariants in 944 ms returned [9, 21, 23, 27, 34, 58, 60, 70, 78, 82, 84, 103, 105, 107, 111, 113, 115, 120, 122, 124, 129, 131, 133, 134, 182, 184, 186, 190, 192, 195, 197, 199, 200, 237, 247, 249, 252, 254, 256, 261, 263, 265, 266, 297, 301, 303]
Discarding 46 places :
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Implicit Place search using SMT only with invariants took 1011 ms to find 46 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 267/361 places, 384/428 transitions.
Drop transitions removed 95 transitions
Trivial Post-agglo rules discarded 95 transitions
Performed 95 trivial Post agglomeration. Transition count delta: 95
Iterating post reduction 0 with 95 rules applied. Total rules applied 95 place count 267 transition count 289
Reduce places removed 95 places and 0 transitions.
Ensure Unique test removed 58 transitions
Reduce isomorphic transitions removed 58 transitions.
Iterating post reduction 1 with 153 rules applied. Total rules applied 248 place count 172 transition count 231
Applied a total of 248 rules in 14 ms. Remains 172 /267 variables (removed 95) and now considering 231/384 (removed 153) transitions.
[2023-03-15 09:28:56] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
// Phase 1: matrix 200 rows 172 cols
[2023-03-15 09:28:56] [INFO ] Computed 57 place invariants in 3 ms
[2023-03-15 09:28:57] [INFO ] Implicit Places using invariants in 245 ms returned []
[2023-03-15 09:28:57] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
[2023-03-15 09:28:57] [INFO ] Invariant cache hit.
[2023-03-15 09:28:57] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-15 09:28:57] [INFO ] Implicit Places using invariants and state equation in 472 ms returned []
Implicit Place search using SMT with State Equation took 726 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 172/361 places, 231/428 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1805 ms. Remains : 172/361 places, 231/428 transitions.
Discarding 52 transitions out of 231. Remains 179
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 931 ms. (steps per millisecond=10 ) properties (out of 178) seen :168
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 10) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 8) seen :4
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-15 09:28:58] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
[2023-03-15 09:28:58] [INFO ] Invariant cache hit.
[2023-03-15 09:28:58] [INFO ] [Real]Absence check using 57 positive place invariants in 18 ms returned sat
[2023-03-15 09:28:58] [INFO ] After 364ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-15 09:28:59] [INFO ] [Nat]Absence check using 57 positive place invariants in 25 ms returned sat
[2023-03-15 09:28:59] [INFO ] After 199ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-15 09:28:59] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-15 09:28:59] [INFO ] After 41ms SMT Verify possible using 36 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-15 09:28:59] [INFO ] After 107ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 77 ms.
[2023-03-15 09:28:59] [INFO ] After 559ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 1240 ms.
Support contains 5 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 231/231 transitions.
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 172 transition count 222
Discarding 46 places :
Symmetric choice reduction at 1 with 46 rule applications. Total rules 55 place count 126 transition count 153
Iterating global reduction 1 with 46 rules applied. Total rules applied 101 place count 126 transition count 153
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 105 place count 126 transition count 149
Partial Free-agglomeration rule applied 28 times.
Drop transitions removed 28 transitions
Iterating global reduction 2 with 28 rules applied. Total rules applied 133 place count 126 transition count 149
Applied a total of 133 rules in 49 ms. Remains 126 /172 variables (removed 46) and now considering 149/231 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 126/172 places, 149/231 transitions.
Finished random walk after 334028 steps, including 1 resets, run visited all 3 properties in 1332 ms. (steps per millisecond=250 )
Able to resolve query QuasiLiveness after proving 179 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 7003 ms.
ITS solved all properties within timeout

BK_STOP 1678872543319

--------------------
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="NoC3x3-PT-2A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is NoC3x3-PT-2A, 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 r277-smll-167863548500152"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-2A.tgz
mv NoC3x3-PT-2A 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 ;