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-167840356400037.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)
...................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is GPUForwardProgress-PT-16b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r213-smll-167840356400037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.5K Feb 25 14:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 14:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 14:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 25 14:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 14:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Feb 25 14:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Feb 25 14:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Feb 25 14:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:11 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 84K 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 1678607154437

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-16b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-12 07:45:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-12 07:45:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 07:45:58] [INFO ] Load time of PNML (sax parser for PT used): 105 ms
[2023-03-12 07:45:58] [INFO ] Transformed 340 places.
[2023-03-12 07:45:58] [INFO ] Transformed 357 transitions.
[2023-03-12 07:45:58] [INFO ] Found NUPN structural information;
[2023-03-12 07:45:58] [INFO ] Parsed PT model containing 340 places and 357 transitions and 877 arcs in 220 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 340/340 places, 357/357 transitions.
Graph (trivial) has 306 edges and 340 vertex of which 7 / 340 are part of one of the 1 SCC in 6 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 190 transitions
Trivial Post-agglo rules discarded 190 transitions
Performed 190 trivial Post agglomeration. Transition count delta: 190
Iterating post reduction 0 with 191 rules applied. Total rules applied 192 place count 333 transition count 160
Reduce places removed 190 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 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 208 rules applied. Total rules applied 400 place count 143 transition count 142
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 401 place count 142 transition count 142
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 34 Pre rules applied. Total rules applied 401 place count 142 transition count 108
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 3 with 68 rules applied. Total rules applied 469 place count 108 transition count 108
Performed 53 Post agglomeration using F-continuation condition.Transition count delta: 53
Deduced a syphon composed of 53 places in 0 ms
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 3 with 106 rules applied. Total rules applied 575 place count 55 transition count 55
Applied a total of 575 rules in 48 ms. Remains 55 /340 variables (removed 285) and now considering 55/357 (removed 302) transitions.
[2023-03-12 07:45:58] [INFO ] Flow matrix only has 40 transitions (discarded 15 similar events)
// Phase 1: matrix 40 rows 55 cols
[2023-03-12 07:45:58] [INFO ] Computed 17 place invariants in 13 ms
[2023-03-12 07:45:58] [INFO ] Implicit Places using invariants in 334 ms returned []
[2023-03-12 07:45:58] [INFO ] Flow matrix only has 40 transitions (discarded 15 similar events)
[2023-03-12 07:45:58] [INFO ] Invariant cache hit.
[2023-03-12 07:45:58] [INFO ] State equation strengthened by 34 read => feed constraints.
[2023-03-12 07:45:58] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
[2023-03-12 07:45:58] [INFO ] Flow matrix only has 40 transitions (discarded 15 similar events)
[2023-03-12 07:45:58] [INFO ] Invariant cache hit.
[2023-03-12 07:45:58] [INFO ] Dead Transitions using invariants and state equation in 127 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 55/340 places, 55/357 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 735 ms. Remains : 55/340 places, 55/357 transitions.
Discarding 19 transitions out of 55. Remains 36
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 698 resets, run finished after 284 ms. (steps per millisecond=35 ) properties (out of 35) seen :34
Incomplete Best-First random walk after 10001 steps, including 476 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 07:45:59] [INFO ] Flow matrix only has 40 transitions (discarded 15 similar events)
[2023-03-12 07:45:59] [INFO ] Invariant cache hit.
[2023-03-12 07:45:59] [INFO ] [Real]Absence check using 0 positive and 17 generalized place invariants in 17 ms returned sat
[2023-03-12 07:45:59] [INFO ] After 58ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 07:45:59] [INFO ] State equation strengthened by 34 read => feed constraints.
[2023-03-12 07:45:59] [INFO ] After 22ms SMT Verify possible using 34 Read/Feed constraints in real domain returned unsat :0 sat :1
[2023-03-12 07:45:59] [INFO ] After 43ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-12 07:45:59] [INFO ] After 250ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 61 ms.
Support contains 18 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 55/55 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 55 transition count 54
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
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 3 place count 54 transition count 53
Drop transitions removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 19 place count 54 transition count 37
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 20 place count 53 transition count 36
Applied a total of 20 rules in 32 ms. Remains 53 /55 variables (removed 2) and now considering 36/55 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 53/55 places, 36/55 transitions.
Incomplete random walk after 1000000 steps, including 118709 resets, run finished after 2546 ms. (steps per millisecond=392 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 52631 resets, run finished after 1163 ms. (steps per millisecond=859 ) properties (out of 1) seen :0
Finished probabilistic random walk after 523 steps, run visited all 1 properties in 13 ms. (steps per millisecond=40 )
Probabilistic random walk after 523 steps, saw 475 distinct states, run finished after 13 ms. (steps per millisecond=40 ) properties seen :1
Able to resolve query QuasiLiveness after proving 36 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 5473 ms.
ITS solved all properties within timeout

BK_STOP 1678607164558

--------------------
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-16b"
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-16b, 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-167840356400037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-16b.tgz
mv GPUForwardProgress-PT-16b 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 ;