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.r533-tall-167987253300266.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 PGCD-COL-D05N025, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253300266
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 7.7K Mar 23 15:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 23 15:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 23 15:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 23 15:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 8.8K Mar 23 15:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 23 15:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 23 15:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 23 15:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 11K Mar 31 16:48 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1680811043822

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PGCD-COL-D05N025
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 19:57:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-04-06 19:57:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 19:57:27] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-04-06 19:57:27] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-04-06 19:57:28] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 932 ms
[2023-04-06 19:57:28] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 18 PT places and 18.0 transition bindings in 15 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
[2023-04-06 19:57:28] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 4 ms.
[2023-04-06 19:57:28] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Arc [2:1*[(MOD (ADD $x 1) 6)]] contains successor/predecessor on variables of sort CD
[2023-04-06 19:57:28] [INFO ] Unfolded HLPN to a Petri net with 18 places and 18 transitions 84 arcs in 5 ms.
[2023-04-06 19:57:28] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 0 ms.24434KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 18/18 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 9 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 18 cols
[2023-04-06 19:57:28] [INFO ] Computed 7 invariants in 6 ms
[2023-04-06 19:57:28] [INFO ] Dead Transitions using invariants and state equation in 170 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 203 ms. Remains : 18/18 places, 18/18 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 18/18 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-04-06 19:57:28] [INFO ] Invariant cache hit.
[2023-04-06 19:57:28] [INFO ] Implicit Places using invariants in 59 ms returned [12, 13, 14, 15, 16, 17]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 62 ms to find 6 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 12/18 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 3 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 68 ms. Remains : 12/18 places, 18/18 transitions.
Random walk for 1250003 steps, including 0 resets, run took 311 ms (no deadlock found). (steps per millisecond=4019 )
Random directed walk for 1250049 steps, including 0 resets, run took 266 ms (no deadlock found). (steps per millisecond=4699 )
// Phase 1: matrix 18 rows 12 cols
[2023-04-06 19:57:29] [INFO ] Computed 1 invariants in 5 ms
[2023-04-06 19:57:29] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-06 19:57:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:57:29] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2023-04-06 19:57:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-04-06 19:57:29] [INFO ] [Real]Added 6 Read/Feed constraints in 3 ms returned sat
[2023-04-06 19:57:29] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:57:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-04-06 19:57:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:57:29] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-06 19:57:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-04-06 19:57:29] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2023-04-06 19:57:29] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 3 ms to minimize.
[2023-04-06 19:57:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 30 ms
[2023-04-06 19:57:29] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 19:57:29] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
Parikh directed walk for 5800 steps, including 111 resets, run took 12 ms. (steps per millisecond=483 )
Random directed walk for 500009 steps, including 0 resets, run took 102 ms (no deadlock found). (steps per millisecond=4902 )
Random walk for 500004 steps, including 0 resets, run took 89 ms (no deadlock found). (steps per millisecond=5618 )
Random directed walk for 500006 steps, including 0 resets, run took 77 ms (no deadlock found). (steps per millisecond=6493 )
Random walk for 500007 steps, including 0 resets, run took 87 ms (no deadlock found). (steps per millisecond=5747 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 12/12 places, 18/18 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-04-06 19:57:29] [INFO ] Invariant cache hit.
[2023-04-06 19:57:29] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-04-06 19:57:29] [INFO ] Invariant cache hit.
[2023-04-06 19:57:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-04-06 19:57:29] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-04-06 19:57:29] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 19:57:29] [INFO ] Invariant cache hit.
[2023-04-06 19:57:29] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 92 ms. Remains : 12/12 places, 18/18 transitions.
Random walk for 1250015 steps, including 0 resets, run took 207 ms (no deadlock found). (steps per millisecond=6038 )
Random directed walk for 1250007 steps, including 0 resets, run took 221 ms (no deadlock found). (steps per millisecond=5656 )
[2023-04-06 19:57:30] [INFO ] Invariant cache hit.
[2023-04-06 19:57:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-06 19:57:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:57:30] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2023-04-06 19:57:30] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-04-06 19:57:30] [INFO ] [Real]Added 6 Read/Feed constraints in 5 ms returned sat
[2023-04-06 19:57:30] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:57:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 19:57:30] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:57:30] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-04-06 19:57:30] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-04-06 19:57:30] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2023-04-06 19:57:30] [INFO ] Deduced a trap composed of 6 places in 98 ms of which 1 ms to minimize.
[2023-04-06 19:57:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 104 ms
[2023-04-06 19:57:30] [INFO ] Computed and/alt/rep : 6/12/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-04-06 19:57:30] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
Parikh directed walk for 5800 steps, including 116 resets, run took 8 ms. (steps per millisecond=725 )
Random directed walk for 500015 steps, including 0 resets, run took 85 ms (no deadlock found). (steps per millisecond=5882 )
Random walk for 500016 steps, including 0 resets, run took 76 ms (no deadlock found). (steps per millisecond=6579 )
Random directed walk for 500035 steps, including 0 resets, run took 76 ms (no deadlock found). (steps per millisecond=6579 )
Random walk for 500026 steps, including 0 resets, run took 85 ms (no deadlock found). (steps per millisecond=5882 )
[2023-04-06 19:57:30] [INFO ] Flatten gal took : 16 ms
[2023-04-06 19:57:30] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 0 ms.
[2023-04-06 19:57:30] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 18 places, 18 transitions and 84 arcs took 1 ms.
Total runtime 3525 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT PGCD-COL-D05N025
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/369
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1680811053441

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/369/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/369/model.pnml
lola: SIPHON RESULT 2
lola: A deadlock is reachable.

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="PGCD-COL-D05N025"
export BK_EXAMINATION="ReachabilityDeadlock"
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 PGCD-COL-D05N025, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r533-tall-167987253300266"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D05N025.tgz
mv PGCD-COL-D05N025 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;