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.r213-smll-167840356400077.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 GPUForwardProgress-PT-32b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r213-smll-167840356400077
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.6K Feb 25 14:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Feb 25 14:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 14:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Feb 25 14:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 14:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 53K Feb 25 14:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 25 14:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 14:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:12 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 160K 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 1678607609411

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=GPUForwardProgress-PT-32b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-12 07:53:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-12 07:53:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 07:53:33] [INFO ] Load time of PNML (sax parser for PT used): 181 ms
[2023-03-12 07:53:33] [INFO ] Transformed 644 places.
[2023-03-12 07:53:33] [INFO ] Transformed 677 transitions.
[2023-03-12 07:53:33] [INFO ] Found NUPN structural information;
[2023-03-12 07:53:33] [INFO ] Parsed PT model containing 644 places and 677 transitions and 1677 arcs in 330 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 644/644 places, 677/677 transitions.
Graph (trivial) has 578 edges and 644 vertex of which 7 / 644 are part of one of the 1 SCC in 15 ms
Free SCC test removed 6 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 366 transitions
Trivial Post-agglo rules discarded 366 transitions
Performed 366 trivial Post agglomeration. Transition count delta: 366
Iterating post reduction 0 with 367 rules applied. Total rules applied 368 place count 637 transition count 304
Reduce places removed 366 places and 0 transitions.
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 400 rules applied. Total rules applied 768 place count 271 transition count 270
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 769 place count 270 transition count 270
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 66 Pre rules applied. Total rules applied 769 place count 270 transition count 204
Deduced a syphon composed of 66 places in 5 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 3 with 132 rules applied. Total rules applied 901 place count 204 transition count 204
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 101
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 1103 place count 103 transition count 103
Applied a total of 1103 rules in 120 ms. Remains 103 /644 variables (removed 541) and now considering 103/677 (removed 574) transitions.
[2023-03-12 07:53:33] [INFO ] Flow matrix only has 72 transitions (discarded 31 similar events)
// Phase 1: matrix 72 rows 103 cols
[2023-03-12 07:53:33] [INFO ] Computed 33 place invariants in 13 ms
[2023-03-12 07:53:34] [INFO ] Implicit Places using invariants in 576 ms returned []
[2023-03-12 07:53:34] [INFO ] Flow matrix only has 72 transitions (discarded 31 similar events)
[2023-03-12 07:53:34] [INFO ] Invariant cache hit.
[2023-03-12 07:53:34] [INFO ] State equation strengthened by 66 read => feed constraints.
[2023-03-12 07:53:34] [INFO ] Implicit Places using invariants and state equation in 505 ms returned []
Implicit Place search using SMT with State Equation took 1138 ms to find 0 implicit places.
[2023-03-12 07:53:34] [INFO ] Flow matrix only has 72 transitions (discarded 31 similar events)
[2023-03-12 07:53:34] [INFO ] Invariant cache hit.
[2023-03-12 07:53:35] [INFO ] Dead Transitions using invariants and state equation in 382 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 103/644 places, 103/677 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1653 ms. Remains : 103/644 places, 103/677 transitions.
Discarding 35 transitions out of 103. Remains 68
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 513 resets, run finished after 446 ms. (steps per millisecond=22 ) properties (out of 67) seen :66
Incomplete Best-First random walk after 10001 steps, including 270 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:53:35] [INFO ] Flow matrix only has 72 transitions (discarded 31 similar events)
[2023-03-12 07:53:35] [INFO ] Invariant cache hit.
[2023-03-12 07:53:35] [INFO ] [Real]Absence check using 0 positive and 33 generalized place invariants in 10 ms returned sat
[2023-03-12 07:53:35] [INFO ] After 81ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 07:53:35] [INFO ] State equation strengthened by 66 read => feed constraints.
[2023-03-12 07:53:35] [INFO ] After 28ms SMT Verify possible using 66 Read/Feed constraints in real domain returned unsat :0 sat :1
[2023-03-12 07:53:35] [INFO ] After 52ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-12 07:53:35] [INFO ] After 275ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 114 ms.
Support contains 34 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 103/103 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 103 transition count 102
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 3 place count 102 transition count 101
Drop transitions removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 35 place count 102 transition count 69
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 101 transition count 68
Applied a total of 36 rules in 38 ms. Remains 101 /103 variables (removed 2) and now considering 68/103 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39 ms. Remains : 101/103 places, 68/103 transitions.
Incomplete random walk after 1000000 steps, including 89620 resets, run finished after 4125 ms. (steps per millisecond=242 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 28571 resets, run finished after 2421 ms. (steps per millisecond=413 ) properties (out of 1) seen :0
Finished probabilistic random walk after 1811 steps, run visited all 1 properties in 18 ms. (steps per millisecond=100 )
Probabilistic random walk after 1811 steps, saw 1715 distinct states, run finished after 18 ms. (steps per millisecond=100 ) properties seen :1
Able to resolve query QuasiLiveness after proving 68 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 9669 ms.
ITS solved all properties within timeout

BK_STOP 1678607623605

--------------------
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="GPUForwardProgress-PT-32b"
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 GPUForwardProgress-PT-32b, 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 r213-smll-167840356400077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-32b.tgz
mv GPUForwardProgress-PT-32b 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 ;