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-167987253300291.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 PGCD-PT-D04N025, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253300291
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.6K Mar 23 15:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 23 15:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Mar 23 15:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 23 15:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 34K 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 16K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 12K Mar 23 15:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K Mar 23 15:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 23 15:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 23 15:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 9.3K 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 1680811423754

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-PT-D04N025
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 20:03:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-04-06 20:03:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 20:03:45] [INFO ] Load time of PNML (sax parser for PT used): 22 ms
[2023-04-06 20:03:45] [INFO ] Transformed 15 places.
[2023-04-06 20:03:45] [INFO ] Transformed 15 transitions.
[2023-04-06 20:03:45] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 77 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 3 ms.24218KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 14 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
// Phase 1: matrix 15 rows 15 cols
[2023-04-06 20:03:45] [INFO ] Computed 6 invariants in 8 ms
[2023-04-06 20:03:45] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 191 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:45] [INFO ] Invariant cache hit.
[2023-04-06 20:03:45] [INFO ] Implicit Places using invariants in 61 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 63 ms to find 5 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 10/15 places, 15/15 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 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 67 ms. Remains : 10/15 places, 15/15 transitions.
Random walk for 1250033 steps, including 0 resets, run took 272 ms (no deadlock found). (steps per millisecond=4595 )
Random directed walk for 1250015 steps, including 0 resets, run took 197 ms (no deadlock found). (steps per millisecond=6345 )
// Phase 1: matrix 15 rows 10 cols
[2023-04-06 20:03:46] [INFO ] Computed 1 invariants in 2 ms
[2023-04-06 20:03:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:46] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2023-04-06 20:03:46] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:46] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2023-04-06 20:03:46] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 20:03:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2023-04-06 20:03:46] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:46] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2023-04-06 20:03:46] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 4 ms to minimize.
[2023-04-06 20:03:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2023-04-06 20:03:46] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 20:03:46] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 5200 steps, including 121 resets, run took 13 ms. (steps per millisecond=400 )
Random directed walk for 500021 steps, including 0 resets, run took 68 ms (no deadlock found). (steps per millisecond=7353 )
Random walk for 500002 steps, including 0 resets, run took 93 ms (no deadlock found). (steps per millisecond=5376 )
Random directed walk for 500000 steps, including 0 resets, run took 76 ms (no deadlock found). (steps per millisecond=6578 )
Random walk for 500010 steps, including 0 resets, run took 76 ms (no deadlock found). (steps per millisecond=6579 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 10/10 places, 15/15 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 2 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 20:03:46] [INFO ] Invariant cache hit.
[2023-04-06 20:03:46] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-04-06 20:03:46] [INFO ] Invariant cache hit.
[2023-04-06 20:03:46] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:46] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-04-06 20:03:46] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 20:03:46] [INFO ] Invariant cache hit.
[2023-04-06 20:03:46] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 96 ms. Remains : 10/10 places, 15/15 transitions.
Random walk for 1250002 steps, including 0 resets, run took 178 ms (no deadlock found). (steps per millisecond=7022 )
Random directed walk for 1250002 steps, including 0 resets, run took 182 ms (no deadlock found). (steps per millisecond=6868 )
[2023-04-06 20:03:47] [INFO ] Invariant cache hit.
[2023-04-06 20:03:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:47] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-06 20:03:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:47] [INFO ] [Real]Added 5 Read/Feed constraints in 3 ms returned sat
[2023-04-06 20:03:47] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 20:03:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 20:03:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 20:03:47] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-06 20:03:47] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 20:03:47] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 20:03:47] [INFO ] Deduced a trap composed of 5 places in 16 ms of which 1 ms to minimize.
[2023-04-06 20:03:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 20 ms
[2023-04-06 20:03:47] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 20:03:47] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
Parikh directed walk for 5200 steps, including 124 resets, run took 7 ms. (steps per millisecond=742 )
Random directed walk for 500009 steps, including 0 resets, run took 84 ms (no deadlock found). (steps per millisecond=5952 )
Random walk for 500001 steps, including 0 resets, run took 77 ms (no deadlock found). (steps per millisecond=6493 )
Random directed walk for 500000 steps, including 0 resets, run took 70 ms (no deadlock found). (steps per millisecond=7142 )
Random walk for 500025 steps, including 0 resets, run took 79 ms (no deadlock found). (steps per millisecond=6329 )
[2023-04-06 20:03:47] [INFO ] Flatten gal took : 17 ms
[2023-04-06 20:03:47] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-04-06 20:03:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 15 places, 15 transitions and 70 arcs took 1 ms.
Total runtime 2545 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT PGCD-PT-D04N025
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/370
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1680811429574

--------------------
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_1.0.0.202304061127.jar
+ 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/370/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/370/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-PT-D04N025"
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-PT-D04N025, 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-167987253300291"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 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 ;