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Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r486-smll-171624283800097
Last Updated
July 7, 2024

About the Execution of LTSMin+red for DLCround-PT-05b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
963.411 69102.00 102184.00 395.90 T normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r486-smll-171624283800097.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DLCround-PT-05b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r486-smll-171624283800097
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 15:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 12:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 13 12:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 13 12:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 145K Apr 13 12:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 674K May 18 16:42 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 1717221925954

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCround-PT-05b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 06:05:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 06:05:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 06:05:29] [INFO ] Load time of PNML (sax parser for PT used): 475 ms
[2024-06-01 06:05:29] [INFO ] Transformed 1999 places.
[2024-06-01 06:05:29] [INFO ] Transformed 2887 transitions.
[2024-06-01 06:05:29] [INFO ] Found NUPN structural information;
[2024-06-01 06:05:29] [INFO ] Parsed PT model containing 1999 places and 2887 transitions and 7649 arcs in 767 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1999/1999 places, 2887/2887 transitions.
Graph (trivial) has 1906 edges and 1999 vertex of which 400 / 1999 are part of one of the 28 SCC in 31 ms
Free SCC test removed 372 places
Ensure Unique test removed 388 transitions
Reduce isomorphic transitions removed 388 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 762 transitions
Trivial Post-agglo rules discarded 762 transitions
Performed 762 trivial Post agglomeration. Transition count delta: 762
Iterating post reduction 0 with 762 rules applied. Total rules applied 763 place count 1627 transition count 1737
Reduce places removed 762 places and 0 transitions.
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 816 rules applied. Total rules applied 1579 place count 865 transition count 1683
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 32 rules applied. Total rules applied 1611 place count 841 transition count 1675
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1615 place count 837 transition count 1675
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 1615 place count 837 transition count 1671
Deduced a syphon composed of 4 places in 34 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 1623 place count 833 transition count 1671
Performed 458 Post agglomeration using F-continuation condition.Transition count delta: 458
Deduced a syphon composed of 458 places in 1 ms
Reduce places removed 458 places and 0 transitions.
Iterating global reduction 4 with 916 rules applied. Total rules applied 2539 place count 375 transition count 1213
Renaming transitions due to excessive name length > 1024 char.
Performed 15 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 2569 place count 360 transition count 1313
Applied a total of 2569 rules in 372 ms. Remains 360 /1999 variables (removed 1639) and now considering 1313/2887 (removed 1574) transitions.
[2024-06-01 06:05:29] [INFO ] Flow matrix only has 1249 transitions (discarded 64 similar events)
// Phase 1: matrix 1249 rows 360 cols
[2024-06-01 06:05:29] [INFO ] Computed 88 invariants in 39 ms
[2024-06-01 06:05:30] [INFO ] Implicit Places using invariants in 815 ms returned []
[2024-06-01 06:05:30] [INFO ] Flow matrix only has 1249 transitions (discarded 64 similar events)
[2024-06-01 06:05:30] [INFO ] Invariant cache hit.
[2024-06-01 06:05:31] [INFO ] State equation strengthened by 117 read => feed constraints.
[2024-06-01 06:05:31] [INFO ] Implicit Places using invariants and state equation in 1180 ms returned []
Implicit Place search using SMT with State Equation took 2045 ms to find 0 implicit places.
Running 1305 sub problems to find dead transitions.
[2024-06-01 06:05:31] [INFO ] Flow matrix only has 1249 transitions (discarded 64 similar events)
[2024-06-01 06:05:31] [INFO ] Invariant cache hit.
[2024-06-01 06:05:31] [INFO ] State equation strengthened by 117 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/359 variables, 359/359 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/359 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 2 (OVERLAPS) 1/360 variables, 88/447 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/360 variables, 1/448 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 360/1609 variables, and 448 constraints, problems are : Problem set: 0 solved, 1305 unsolved in 30124 ms.
Refiners :[Domain max(s): 360/360 constraints, Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 0/360 constraints, ReadFeed: 0/117 constraints, PredecessorRefiner: 1305/1305 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1305 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/359 variables, 359/359 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/359 variables, 0/359 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 2 (OVERLAPS) 1/360 variables, 88/447 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/360 variables, 1/448 constraints. Problems are: Problem set: 0 solved, 1305 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 360/1609 variables, and 448 constraints, problems are : Problem set: 0 solved, 1305 unsolved in 30048 ms.
Refiners :[Domain max(s): 360/360 constraints, Positive P Invariants (semi-flows): 88/88 constraints, State Equation: 0/360 constraints, ReadFeed: 0/117 constraints, PredecessorRefiner: 0/1305 constraints, Known Traps: 0/0 constraints]
After SMT, in 61607ms problems are : Problem set: 0 solved, 1305 unsolved
Search for dead transitions found 0 dead transitions in 61671ms
Starting structural reductions in LIVENESS mode, iteration 1 : 360/1999 places, 1313/2887 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 64147 ms. Remains : 360/1999 places, 1313/2887 transitions.
Discarding 325 transitions out of 1313. Remains 988
Initial state reduction rules removed 1 formulas.
RANDOM walk for 37768 steps (8 resets) in 5058 ms. (7 steps per ms) remains 0/987 properties
Able to resolve query QuasiLiveness after proving 988 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 66529 ms.
ITS solved all properties within timeout

BK_STOP 1717221995056

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="DLCround-PT-05b"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DLCround-PT-05b, 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 r486-smll-171624283800097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-05b.tgz
mv DLCround-PT-05b 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 ;