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.r215-smll-167840357700097.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 GPUForwardProgress-PT-40b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r215-smll-167840357700097
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 692K
-rw-r--r-- 1 mcc users 8.8K Feb 25 14:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 102K Feb 25 14:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 14:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 25 14:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 14:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Feb 25 14:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 14:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Feb 25 14:18 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 199K 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 1678616679879

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=GPUForwardProgress-PT-40b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 10:24:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-12 10:24:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 10:24:43] [INFO ] Load time of PNML (sax parser for PT used): 156 ms
[2023-03-12 10:24:43] [INFO ] Transformed 796 places.
[2023-03-12 10:24:43] [INFO ] Transformed 837 transitions.
[2023-03-12 10:24:43] [INFO ] Found NUPN structural information;
[2023-03-12 10:24:43] [INFO ] Parsed PT model containing 796 places and 837 transitions and 2077 arcs in 451 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 796/796 places, 837/837 transitions.
Graph (trivial) has 714 edges and 796 vertex of which 7 / 796 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 454 transitions
Trivial Post-agglo rules discarded 454 transitions
Performed 454 trivial Post agglomeration. Transition count delta: 454
Iterating post reduction 0 with 455 rules applied. Total rules applied 456 place count 789 transition count 376
Reduce places removed 454 places and 0 transitions.
Ensure Unique test removed 41 transitions
Reduce isomorphic transitions removed 41 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 496 rules applied. Total rules applied 952 place count 335 transition count 334
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 953 place count 334 transition count 334
Performed 82 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 82 Pre rules applied. Total rules applied 953 place count 334 transition count 252
Deduced a syphon composed of 82 places in 6 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 3 with 164 rules applied. Total rules applied 1117 place count 252 transition count 252
Performed 125 Post agglomeration using F-continuation condition.Transition count delta: 125
Deduced a syphon composed of 125 places in 0 ms
Reduce places removed 125 places and 0 transitions.
Iterating global reduction 3 with 250 rules applied. Total rules applied 1367 place count 127 transition count 127
Applied a total of 1367 rules in 149 ms. Remains 127 /796 variables (removed 669) and now considering 127/837 (removed 710) transitions.
[2023-03-12 10:24:43] [INFO ] Flow matrix only has 88 transitions (discarded 39 similar events)
// Phase 1: matrix 88 rows 127 cols
[2023-03-12 10:24:43] [INFO ] Computed 41 place invariants in 13 ms
[2023-03-12 10:24:44] [INFO ] Implicit Places using invariants in 681 ms returned []
[2023-03-12 10:24:44] [INFO ] Flow matrix only has 88 transitions (discarded 39 similar events)
[2023-03-12 10:24:44] [INFO ] Invariant cache hit.
[2023-03-12 10:24:44] [INFO ] State equation strengthened by 82 read => feed constraints.
[2023-03-12 10:24:44] [INFO ] Implicit Places using invariants and state equation in 692 ms returned []
Implicit Place search using SMT with State Equation took 1439 ms to find 0 implicit places.
[2023-03-12 10:24:44] [INFO ] Flow matrix only has 88 transitions (discarded 39 similar events)
[2023-03-12 10:24:44] [INFO ] Invariant cache hit.
[2023-03-12 10:24:45] [INFO ] Dead Transitions using invariants and state equation in 260 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 127/796 places, 127/837 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1853 ms. Remains : 127/796 places, 127/837 transitions.
Discarding 43 transitions out of 127. Remains 84
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 457 resets, run finished after 477 ms. (steps per millisecond=20 ) properties (out of 83) seen :82
Incomplete Best-First random walk after 10001 steps, including 222 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 10:24:45] [INFO ] Flow matrix only has 88 transitions (discarded 39 similar events)
[2023-03-12 10:24:45] [INFO ] Invariant cache hit.
[2023-03-12 10:24:45] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 11 ms returned sat
[2023-03-12 10:24:46] [INFO ] After 80ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 10:24:46] [INFO ] State equation strengthened by 82 read => feed constraints.
[2023-03-12 10:24:46] [INFO ] After 35ms SMT Verify possible using 82 Read/Feed constraints in real domain returned unsat :0 sat :1
[2023-03-12 10:24:46] [INFO ] After 64ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 36 ms.
[2023-03-12 10:24:46] [INFO ] After 280ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 276 ms.
Support contains 42 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 127/127 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 127 transition count 126
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 126 transition count 125
Drop transitions removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 43 place count 126 transition count 85
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 125 transition count 84
Applied a total of 44 rules in 74 ms. Remains 125 /127 variables (removed 2) and now considering 84/127 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 125/127 places, 84/127 transitions.
Incomplete random walk after 1000000 steps, including 81795 resets, run finished after 5459 ms. (steps per millisecond=183 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 23255 resets, run finished after 3306 ms. (steps per millisecond=302 ) properties (out of 1) seen :0
Finished probabilistic random walk after 2743 steps, run visited all 1 properties in 25 ms. (steps per millisecond=109 )
Probabilistic random walk after 2743 steps, saw 2623 distinct states, run finished after 25 ms. (steps per millisecond=109 ) properties seen :1
Able to resolve query QuasiLiveness after proving 84 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12438 ms.
ITS solved all properties within timeout

BK_STOP 1678616696432

--------------------
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-40b"
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 GPUForwardProgress-PT-40b, 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 r215-smll-167840357700097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-40b.tgz
mv GPUForwardProgress-PT-40b 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 ;