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-167840356500087.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-36b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r213-smll-167840356500087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 8.0K Feb 25 14:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 25 14:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 14:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 14:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 11K Feb 25 14:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 25 14:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 14:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Feb 25 14:17 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 179K 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 1678607725358

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-36b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-12 07:55:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-12 07:55:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 07:55:29] [INFO ] Load time of PNML (sax parser for PT used): 210 ms
[2023-03-12 07:55:29] [INFO ] Transformed 720 places.
[2023-03-12 07:55:29] [INFO ] Transformed 757 transitions.
[2023-03-12 07:55:29] [INFO ] Found NUPN structural information;
[2023-03-12 07:55:29] [INFO ] Parsed PT model containing 720 places and 757 transitions and 1877 arcs in 361 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 720/720 places, 757/757 transitions.
Graph (trivial) has 646 edges and 720 vertex of which 7 / 720 are part of one of the 1 SCC in 14 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 410 transitions
Trivial Post-agglo rules discarded 410 transitions
Performed 410 trivial Post agglomeration. Transition count delta: 410
Iterating post reduction 0 with 411 rules applied. Total rules applied 412 place count 713 transition count 340
Reduce places removed 410 places and 0 transitions.
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 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 448 rules applied. Total rules applied 860 place count 303 transition count 302
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 861 place count 302 transition count 302
Performed 74 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 74 Pre rules applied. Total rules applied 861 place count 302 transition count 228
Deduced a syphon composed of 74 places in 6 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 3 with 148 rules applied. Total rules applied 1009 place count 228 transition count 228
Performed 113 Post agglomeration using F-continuation condition.Transition count delta: 113
Deduced a syphon composed of 113 places in 1 ms
Reduce places removed 113 places and 0 transitions.
Iterating global reduction 3 with 226 rules applied. Total rules applied 1235 place count 115 transition count 115
Applied a total of 1235 rules in 141 ms. Remains 115 /720 variables (removed 605) and now considering 115/757 (removed 642) transitions.
[2023-03-12 07:55:29] [INFO ] Flow matrix only has 80 transitions (discarded 35 similar events)
// Phase 1: matrix 80 rows 115 cols
[2023-03-12 07:55:29] [INFO ] Computed 37 place invariants in 14 ms
[2023-03-12 07:55:30] [INFO ] Implicit Places using invariants in 638 ms returned []
[2023-03-12 07:55:30] [INFO ] Flow matrix only has 80 transitions (discarded 35 similar events)
[2023-03-12 07:55:30] [INFO ] Invariant cache hit.
[2023-03-12 07:55:30] [INFO ] State equation strengthened by 74 read => feed constraints.
[2023-03-12 07:55:31] [INFO ] Implicit Places using invariants and state equation in 652 ms returned []
Implicit Place search using SMT with State Equation took 1352 ms to find 0 implicit places.
[2023-03-12 07:55:31] [INFO ] Flow matrix only has 80 transitions (discarded 35 similar events)
[2023-03-12 07:55:31] [INFO ] Invariant cache hit.
[2023-03-12 07:55:31] [INFO ] Dead Transitions using invariants and state equation in 304 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 115/720 places, 115/757 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1800 ms. Remains : 115/720 places, 115/757 transitions.
Discarding 39 transitions out of 115. Remains 76
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 493 resets, run finished after 481 ms. (steps per millisecond=20 ) properties (out of 75) seen :74
Incomplete Best-First random walk after 10001 steps, including 243 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:55:32] [INFO ] Flow matrix only has 80 transitions (discarded 35 similar events)
[2023-03-12 07:55:32] [INFO ] Invariant cache hit.
[2023-03-12 07:55:32] [INFO ] [Real]Absence check using 0 positive and 37 generalized place invariants in 16 ms returned sat
[2023-03-12 07:55:32] [INFO ] After 113ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 07:55:32] [INFO ] State equation strengthened by 74 read => feed constraints.
[2023-03-12 07:55:32] [INFO ] After 56ms SMT Verify possible using 74 Read/Feed constraints in real domain returned unsat :0 sat :1
[2023-03-12 07:55:32] [INFO ] After 102ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 37 ms.
[2023-03-12 07:55:32] [INFO ] After 397ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 196 ms.
Support contains 38 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 115/115 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 115 transition count 114
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 114 transition count 113
Drop transitions removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 39 place count 114 transition count 77
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 113 transition count 76
Applied a total of 40 rules in 93 ms. Remains 113 /115 variables (removed 2) and now considering 76/115 (removed 39) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 113/115 places, 76/115 transitions.
Incomplete random walk after 1000000 steps, including 85666 resets, run finished after 5321 ms. (steps per millisecond=187 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 25641 resets, run finished after 3032 ms. (steps per millisecond=329 ) properties (out of 1) seen :0
Finished probabilistic random walk after 2253 steps, run visited all 1 properties in 31 ms. (steps per millisecond=72 )
Probabilistic random walk after 2253 steps, saw 2145 distinct states, run finished after 31 ms. (steps per millisecond=72 ) properties seen :1
Able to resolve query QuasiLiveness after proving 76 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 11951 ms.
ITS solved all properties within timeout

BK_STOP 1678607742207

--------------------
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-36b"
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-36b, 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-167840356500087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-36b.tgz
mv GPUForwardProgress-PT-36b 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 ;