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.r277-smll-167863548500162.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 lolaxred
Input is NoC3x3-PT-3A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548500162
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 6.1K Feb 26 10:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 26 10:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 26 10:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 10:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 10:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Feb 26 10:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 26 10:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 26 10:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 16:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 133K 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 1678872663997

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=NoC3x3-PT-3A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 09:31:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 09:31:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 09:31:07] [INFO ] Load time of PNML (sax parser for PT used): 159 ms
[2023-03-15 09:31:07] [INFO ] Transformed 370 places.
[2023-03-15 09:31:07] [INFO ] Transformed 450 transitions.
[2023-03-15 09:31:07] [INFO ] Found NUPN structural information;
[2023-03-15 09:31:07] [INFO ] Parsed PT model containing 370 places and 450 transitions and 1773 arcs in 313 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 370/370 places, 450/450 transitions.
Ensure Unique test removed 18 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 38 rules applied. Total rules applied 38 place count 352 transition count 430
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 57 place count 333 transition count 430
Applied a total of 57 rules in 53 ms. Remains 333 /370 variables (removed 37) and now considering 430/450 (removed 20) transitions.
[2023-03-15 09:31:07] [INFO ] Flow matrix only has 375 transitions (discarded 55 similar events)
// Phase 1: matrix 375 rows 333 cols
[2023-03-15 09:31:07] [INFO ] Computed 109 place invariants in 34 ms
[2023-03-15 09:31:08] [INFO ] Implicit Places using invariants in 847 ms returned [9, 21, 23, 27, 34, 55, 57, 60, 62, 77, 85, 89, 91, 110, 112, 114, 118, 120, 122, 127, 129, 131, 136, 138, 140, 141, 189, 191, 193, 197, 199, 202, 204, 206, 207, 239, 245, 246, 261, 263, 266, 268, 270, 275, 277, 279, 280, 311, 313, 315, 318, 319]
Discarding 52 places :
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Implicit Place search using SMT only with invariants took 915 ms to find 52 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 281/370 places, 406/450 transitions.
Drop transitions removed 109 transitions
Trivial Post-agglo rules discarded 109 transitions
Performed 109 trivial Post agglomeration. Transition count delta: 109
Iterating post reduction 0 with 109 rules applied. Total rules applied 109 place count 281 transition count 297
Reduce places removed 109 places and 0 transitions.
Ensure Unique test removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 1 with 175 rules applied. Total rules applied 284 place count 172 transition count 231
Applied a total of 284 rules in 17 ms. Remains 172 /281 variables (removed 109) and now considering 231/406 (removed 175) transitions.
[2023-03-15 09:31:08] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
// Phase 1: matrix 200 rows 172 cols
[2023-03-15 09:31:08] [INFO ] Computed 57 place invariants in 4 ms
[2023-03-15 09:31:09] [INFO ] Implicit Places using invariants in 301 ms returned []
[2023-03-15 09:31:09] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
[2023-03-15 09:31:09] [INFO ] Invariant cache hit.
[2023-03-15 09:31:09] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-15 09:31:09] [INFO ] Implicit Places using invariants and state equation in 515 ms returned []
Implicit Place search using SMT with State Equation took 834 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 172/370 places, 231/450 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1822 ms. Remains : 172/370 places, 231/450 transitions.
Discarding 52 transitions out of 231. Remains 179
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 819 ms. (steps per millisecond=12 ) properties (out of 178) seen :175
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 3) seen :1
Running SMT prover for 2 properties.
[2023-03-15 09:31:10] [INFO ] Flow matrix only has 200 transitions (discarded 31 similar events)
[2023-03-15 09:31:10] [INFO ] Invariant cache hit.
[2023-03-15 09:31:10] [INFO ] [Real]Absence check using 57 positive place invariants in 15 ms returned sat
[2023-03-15 09:31:10] [INFO ] After 241ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-15 09:31:10] [INFO ] [Nat]Absence check using 57 positive place invariants in 16 ms returned sat
[2023-03-15 09:31:11] [INFO ] After 122ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-15 09:31:11] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-15 09:31:11] [INFO ] After 62ms SMT Verify possible using 36 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-15 09:31:11] [INFO ] After 146ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 60 ms.
[2023-03-15 09:31:11] [INFO ] After 444ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 312 ms.
Support contains 4 out of 172 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 172/172 places, 231/231 transitions.
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 172 transition count 222
Discarding 46 places :
Symmetric choice reduction at 1 with 46 rule applications. Total rules 55 place count 126 transition count 154
Iterating global reduction 1 with 46 rules applied. Total rules applied 101 place count 126 transition count 154
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 106 place count 126 transition count 149
Partial Free-agglomeration rule applied 28 times.
Drop transitions removed 28 transitions
Iterating global reduction 2 with 28 rules applied. Total rules applied 134 place count 126 transition count 149
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 135 place count 125 transition count 148
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 144 place count 116 transition count 148
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 144 place count 116 transition count 147
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 3 rules applied. Total rules applied 147 place count 114 transition count 147
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 148 place count 114 transition count 146
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 148 place count 114 transition count 145
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 3 rules applied. Total rules applied 151 place count 112 transition count 145
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 153 place count 112 transition count 143
Applied a total of 153 rules in 64 ms. Remains 112 /172 variables (removed 60) and now considering 143/231 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 112/172 places, 143/231 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 6346 ms. (steps per millisecond=157 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1405 ms. (steps per millisecond=711 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 09:31:19] [INFO ] Flow matrix only has 141 transitions (discarded 2 similar events)
// Phase 1: matrix 141 rows 112 cols
[2023-03-15 09:31:19] [INFO ] Computed 46 place invariants in 2 ms
[2023-03-15 09:31:19] [INFO ] [Real]Absence check using 46 positive place invariants in 14 ms returned sat
[2023-03-15 09:31:19] [INFO ] After 190ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 09:31:19] [INFO ] [Nat]Absence check using 46 positive place invariants in 24 ms returned sat
[2023-03-15 09:31:19] [INFO ] After 100ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 09:31:19] [INFO ] State equation strengthened by 28 read => feed constraints.
[2023-03-15 09:31:19] [INFO ] After 19ms SMT Verify possible using 28 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 09:31:19] [INFO ] After 52ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-15 09:31:19] [INFO ] After 284ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 143/143 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 111 transition count 141
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 111 transition count 141
Applied a total of 2 rules in 18 ms. Remains 111 /112 variables (removed 1) and now considering 141/143 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 111/112 places, 141/143 transitions.
Finished random walk after 154 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=77 )
Able to resolve query QuasiLiveness after proving 179 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12485 ms.
ITS solved all properties within timeout

BK_STOP 1678872680923

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="NoC3x3-PT-3A"
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 NoC3x3-PT-3A, 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 r277-smll-167863548500162"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-3A.tgz
mv NoC3x3-PT-3A 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 ;