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-171624283600007.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DLCflexbar-PT-2b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r486-smll-171624283600007
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K 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 4.0K Apr 22 14:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 22 14:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Apr 12 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Apr 12 12:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 12 12:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.5M 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 1717217887056

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-2b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 04:58:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 04:58:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 04:58:10] [INFO ] Load time of PNML (sax parser for PT used): 805 ms
[2024-06-01 04:58:10] [INFO ] Transformed 4456 places.
[2024-06-01 04:58:10] [INFO ] Transformed 6272 transitions.
[2024-06-01 04:58:10] [INFO ] Found NUPN structural information;
[2024-06-01 04:58:10] [INFO ] Parsed PT model containing 4456 places and 6272 transitions and 16411 arcs in 1296 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4456/4456 places, 6272/6272 transitions.
Graph (trivial) has 4241 edges and 4456 vertex of which 544 / 4456 are part of one of the 36 SCC in 25 ms
Free SCC test removed 508 places
Ensure Unique test removed 536 transitions
Reduce isomorphic transitions removed 536 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2081 transitions
Trivial Post-agglo rules discarded 2081 transitions
Performed 2081 trivial Post agglomeration. Transition count delta: 2081
Iterating post reduction 0 with 2081 rules applied. Total rules applied 2082 place count 3948 transition count 3655
Reduce places removed 2081 places and 0 transitions.
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 68 transitions
Trivial Post-agglo rules discarded 68 transitions
Performed 68 trivial Post agglomeration. Transition count delta: 68
Iterating post reduction 1 with 2221 rules applied. Total rules applied 4303 place count 1867 transition count 3515
Reduce places removed 68 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 2 with 108 rules applied. Total rules applied 4411 place count 1799 transition count 3475
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 4431 place count 1779 transition count 3475
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 20 Pre rules applied. Total rules applied 4431 place count 1779 transition count 3455
Deduced a syphon composed of 20 places in 146 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 4471 place count 1759 transition count 3455
Performed 958 Post agglomeration using F-continuation condition.Transition count delta: 958
Deduced a syphon composed of 958 places in 2 ms
Reduce places removed 958 places and 0 transitions.
Iterating global reduction 4 with 1916 rules applied. Total rules applied 6387 place count 801 transition count 2497
Renaming transitions due to excessive name length > 1024 char.
Performed 63 Post agglomeration using F-continuation condition with reduction of 80 identical transitions.
Deduced a syphon composed of 63 places in 2 ms
Reduce places removed 63 places and 0 transitions.
Iterating global reduction 4 with 126 rules applied. Total rules applied 6513 place count 738 transition count 2725
Applied a total of 6513 rules in 938 ms. Remains 738 /4456 variables (removed 3718) and now considering 2725/6272 (removed 3547) transitions.
[2024-06-01 04:58:11] [INFO ] Flow matrix only has 2597 transitions (discarded 128 similar events)
// Phase 1: matrix 2597 rows 738 cols
[2024-06-01 04:58:11] [INFO ] Computed 196 invariants in 72 ms
[2024-06-01 04:58:13] [INFO ] Implicit Places using invariants in 1736 ms returned []
[2024-06-01 04:58:13] [INFO ] Flow matrix only has 2597 transitions (discarded 128 similar events)
[2024-06-01 04:58:13] [INFO ] Invariant cache hit.
[2024-06-01 04:58:14] [INFO ] State equation strengthened by 267 read => feed constraints.
[2024-06-01 04:58:16] [INFO ] Implicit Places using invariants and state equation in 3484 ms returned []
Implicit Place search using SMT with State Equation took 5275 ms to find 0 implicit places.
Running 2717 sub problems to find dead transitions.
[2024-06-01 04:58:16] [INFO ] Flow matrix only has 2597 transitions (discarded 128 similar events)
[2024-06-01 04:58:16] [INFO ] Invariant cache hit.
[2024-06-01 04:58:16] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/737 variables, 737/737 constraints. Problems are: Problem set: 0 solved, 2717 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 737/3335 variables, and 737 constraints, problems are : Problem set: 0 solved, 2717 unsolved in 30128 ms.
Refiners :[Domain max(s): 737/738 constraints, Positive P Invariants (semi-flows): 0/196 constraints, State Equation: 0/738 constraints, ReadFeed: 0/267 constraints, PredecessorRefiner: 2717/2717 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2717 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/737 variables, 737/737 constraints. Problems are: Problem set: 0 solved, 2717 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 737/3335 variables, and 737 constraints, problems are : Problem set: 0 solved, 2717 unsolved in 30091 ms.
Refiners :[Domain max(s): 737/738 constraints, Positive P Invariants (semi-flows): 0/196 constraints, State Equation: 0/738 constraints, ReadFeed: 0/267 constraints, PredecessorRefiner: 0/2717 constraints, Known Traps: 0/0 constraints]
After SMT, in 64126ms problems are : Problem set: 0 solved, 2717 unsolved
Search for dead transitions found 0 dead transitions in 64224ms
Starting structural reductions in LIVENESS mode, iteration 1 : 738/4456 places, 2725/6272 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 70502 ms. Remains : 738/4456 places, 2725/6272 transitions.
Discarding 707 transitions out of 2725. Remains 2018
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (8 resets) in 10124 ms. (3 steps per ms) remains 0/2017 properties
Able to resolve query QuasiLiveness after proving 2018 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 74850 ms.
ITS solved all properties within timeout

BK_STOP 1717217964052

--------------------
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="DLCflexbar-PT-2b"
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 DLCflexbar-PT-2b, 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-171624283600007"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-2b.tgz
mv DLCflexbar-PT-2b 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 ;