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.r501-tall-167912725200592.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 UtahNoC-PT-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r501-tall-167912725200592
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 5.9K Feb 26 04:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Feb 26 04:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 04:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 04:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Feb 26 04:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Feb 26 04:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 04:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 04:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 205K Mar 5 18:23 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 1679523851579

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=UtahNoC-PT-none
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 22:24:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:24:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:24:13] [INFO ] Load time of PNML (sax parser for PT used): 89 ms
[2023-03-22 22:24:13] [INFO ] Transformed 216 places.
[2023-03-22 22:24:13] [INFO ] Transformed 977 transitions.
[2023-03-22 22:24:13] [INFO ] Found NUPN structural information;
[2023-03-22 22:24:13] [INFO ] Parsed PT model containing 216 places and 977 transitions and 2905 arcs in 154 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 216/216 places, 977/977 transitions.
Graph (trivial) has 504 edges and 216 vertex of which 93 / 216 are part of one of the 14 SCC in 5 ms
Free SCC test removed 79 places
Ensure Unique test removed 391 transitions
Reduce isomorphic transitions removed 391 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 11 place count 132 transition count 581
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 19 place count 132 transition count 573
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -5
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 21 place count 131 transition count 578
Applied a total of 21 rules in 34 ms. Remains 131 /216 variables (removed 85) and now considering 578/977 (removed 399) transitions.
[2023-03-22 22:24:13] [INFO ] Flow matrix only has 284 transitions (discarded 294 similar events)
// Phase 1: matrix 284 rows 131 cols
[2023-03-22 22:24:13] [INFO ] Computed 8 place invariants in 15 ms
[2023-03-22 22:24:13] [INFO ] Implicit Places using invariants in 285 ms returned [3]
Discarding 1 places :
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Implicit Place search using SMT only with invariants took 332 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 130/216 places, 577/977 transitions.
Graph (trivial) has 214 edges and 130 vertex of which 25 / 130 are part of one of the 4 SCC in 1 ms
Free SCC test removed 21 places
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Applied a total of 1 rules in 7 ms. Remains 109 /130 variables (removed 21) and now considering 487/577 (removed 90) transitions.
[2023-03-22 22:24:14] [INFO ] Flow matrix only has 246 transitions (discarded 241 similar events)
// Phase 1: matrix 246 rows 109 cols
[2023-03-22 22:24:14] [INFO ] Computed 7 place invariants in 3 ms
[2023-03-22 22:24:14] [INFO ] Implicit Places using invariants in 72 ms returned []
[2023-03-22 22:24:14] [INFO ] Flow matrix only has 246 transitions (discarded 241 similar events)
[2023-03-22 22:24:14] [INFO ] Invariant cache hit.
[2023-03-22 22:24:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 22:24:14] [INFO ] Implicit Places using invariants and state equation in 223 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 109/216 places, 487/977 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 670 ms. Remains : 109/216 places, 487/977 transitions.
Discarding 235 transitions out of 487. Remains 252
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 412 ms. (steps per millisecond=24 ) properties (out of 251) seen :249
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-22 22:24:14] [INFO ] Flow matrix only has 246 transitions (discarded 241 similar events)
[2023-03-22 22:24:14] [INFO ] Invariant cache hit.
[2023-03-22 22:24:14] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned sat
[2023-03-22 22:24:14] [INFO ] After 188ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 22:24:15] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-22 22:24:15] [INFO ] After 164ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 22:24:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2023-03-22 22:24:15] [INFO ] After 44ms SMT Verify possible using 18 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-22 22:24:15] [INFO ] After 99ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 48 ms.
[2023-03-22 22:24:15] [INFO ] After 409ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 3 ms.
Support contains 3 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 487/487 transitions.
Drop transitions removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Iterating post reduction 0 with 74 rules applied. Total rules applied 74 place count 109 transition count 413
Discarding 33 places :
Symmetric choice reduction at 1 with 33 rule applications. Total rules 107 place count 76 transition count 285
Iterating global reduction 1 with 33 rules applied. Total rules applied 140 place count 76 transition count 285
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 1 with 48 rules applied. Total rules applied 188 place count 76 transition count 237
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 196 place count 68 transition count 221
Iterating global reduction 2 with 8 rules applied. Total rules applied 204 place count 68 transition count 221
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 214 place count 68 transition count 211
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 3 with 2 rules applied. Total rules applied 216 place count 67 transition count 210
Drop transitions removed 5 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 10 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 11 rules applied. Total rules applied 227 place count 67 transition count 199
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 228 place count 66 transition count 199
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 240 place count 60 transition count 211
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 243 place count 60 transition count 211
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 244 place count 59 transition count 210
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 245 place count 58 transition count 210
Free-agglomeration rule applied 4 times.
Iterating global reduction 6 with 4 rules applied. Total rules applied 249 place count 58 transition count 206
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 256 place count 54 transition count 203
Applied a total of 256 rules in 63 ms. Remains 54 /109 variables (removed 55) and now considering 203/487 (removed 284) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 54/109 places, 203/487 transitions.
Finished random walk after 7309 steps, including 0 resets, run visited all 2 properties in 38 ms. (steps per millisecond=192 )
Able to resolve query QuasiLiveness after proving 252 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2063 ms.
ITS solved all properties within timeout

BK_STOP 1679523856463

--------------------
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="UtahNoC-PT-none"
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 UtahNoC-PT-none, 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 r501-tall-167912725200592"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtahNoC-PT-none.tgz
mv UtahNoC-PT-none 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 ;