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.r405-oct2-167903725600416.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 ShieldPPPt-PT-040B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r405-oct2-167903725600416
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.1K Feb 25 20:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Feb 25 20:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 20:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 25 20:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 20:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 25 20:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Feb 25 20:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 20:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:01 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 762K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679750805315

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=ShieldPPPt-PT-040B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-25 13:26:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-25 13:26:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 13:26:48] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2023-03-25 13:26:48] [INFO ] Transformed 3123 places.
[2023-03-25 13:26:48] [INFO ] Transformed 2843 transitions.
[2023-03-25 13:26:48] [INFO ] Found NUPN structural information;
[2023-03-25 13:26:48] [INFO ] Parsed PT model containing 3123 places and 2843 transitions and 7126 arcs in 341 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 6 ms.65932KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 3123/3123 places, 2843/2843 transitions.
Computed a total of 800 stabilizing places and 800 stable transitions
Computed a total of 800 stabilizing places and 800 stable transitions
Drop transitions removed 763 transitions
Trivial Post-agglo rules discarded 763 transitions
Performed 763 trivial Post agglomeration. Transition count delta: 763
Iterating post reduction 0 with 763 rules applied. Total rules applied 763 place count 3123 transition count 2080
Reduce places removed 763 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 480 stabilizing places and 480 stable transitions
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 765 rules applied. Total rules applied 1528 place count 2360 transition count 2078
Reduce places removed 1 places and 0 transitions.
Computed a total of 480 stabilizing places and 480 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 1529 place count 2359 transition count 2078
Computed a total of 480 stabilizing places and 480 stable transitions
Performed 160 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 160 Pre rules applied. Total rules applied 1529 place count 2359 transition count 1918
Deduced a syphon composed of 160 places in 4 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 3 with 320 rules applied. Total rules applied 1849 place count 2199 transition count 1918
Computed a total of 480 stabilizing places and 480 stable transitions
Discarding 280 places :
Symmetric choice reduction at 3 with 280 rule applications. Total rules 2129 place count 1919 transition count 1638
Iterating global reduction 3 with 280 rules applied. Total rules applied 2409 place count 1919 transition count 1638
Computed a total of 320 stabilizing places and 320 stable transitions
Performed 120 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 120 Pre rules applied. Total rules applied 2409 place count 1919 transition count 1518
Deduced a syphon composed of 120 places in 9 ms
Reduce places removed 120 places and 0 transitions.
Iterating global reduction 3 with 240 rules applied. Total rules applied 2649 place count 1799 transition count 1518
Computed a total of 321 stabilizing places and 320 stable transitions
Performed 679 Post agglomeration using F-continuation condition.Transition count delta: 679
Deduced a syphon composed of 679 places in 6 ms
Reduce places removed 679 places and 0 transitions.
Iterating global reduction 3 with 1358 rules applied. Total rules applied 4007 place count 1120 transition count 839
Computed a total of 2 stabilizing places and 1 stable transitions
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 4209 place count 1019 transition count 839
Computed a total of 2 stabilizing places and 1 stable transitions
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 18 places in 2 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 4245 place count 1001 transition count 839
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 4246 place count 1000 transition count 838
Reduce places removed 1 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 3 with 1 rules applied. Total rules applied 4247 place count 999 transition count 838
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 4247 place count 999 transition count 836
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 4251 place count 997 transition count 836
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 4251 rules in 1343 ms. Remains 997 /3123 variables (removed 2126) and now considering 836/2843 (removed 2007) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1344 ms. Remains : 997/3123 places, 836/2843 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8572 ms (no deadlock found). (steps per millisecond=145 )
Random directed walk for 1250004 steps, including 0 resets, run took 6318 ms (no deadlock found). (steps per millisecond=197 )
// Phase 1: matrix 836 rows 997 cols
[2023-03-25 13:27:04] [INFO ] Computed 440 place invariants in 48 ms
[2023-03-25 13:27:06] [INFO ] [Real]Absence check using 440 positive place invariants in 611 ms returned sat
[2023-03-25 13:27:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:27:10] [INFO ] [Real]Absence check using state equation in 3356 ms returned sat
[2023-03-25 13:27:10] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:27:10] [INFO ] [Nat]Absence check using 440 positive place invariants in 262 ms returned sat
[2023-03-25 13:27:10] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:27:12] [INFO ] [Nat]Absence check using state equation in 1710 ms returned sat
[2023-03-25 13:27:12] [INFO ] Computed and/alt/rep : 832/1309/832 causal constraints (skipped 0 transitions) in 64 ms.
[2023-03-25 13:27:27] [INFO ] Added : 735 causal constraints over 148 iterations in 15281 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 62 ms.
Parikh directed walk for 405700 steps, including 1000 resets, run took 2631 ms. (steps per millisecond=154 )
Random directed walk for 500001 steps, including 0 resets, run took 2536 ms (no deadlock found). (steps per millisecond=197 )
Random walk for 500000 steps, including 0 resets, run took 2986 ms (no deadlock found). (steps per millisecond=167 )
Random directed walk for 500000 steps, including 0 resets, run took 2612 ms (no deadlock found). (steps per millisecond=191 )
Random walk for 500000 steps, including 0 resets, run took 2957 ms (no deadlock found). (steps per millisecond=169 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 997/997 places, 836/836 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 29 ms. Remains 997 /997 variables (removed 0) and now considering 836/836 (removed 0) transitions.
[2023-03-25 13:27:41] [INFO ] Invariant cache hit.
[2023-03-25 13:27:43] [INFO ] Implicit Places using invariants in 1293 ms returned [980, 984]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1298 ms to find 2 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 995/997 places, 836/836 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 993 transition count 834
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 4 rules in 50 ms. Remains 993 /995 variables (removed 2) and now considering 834/836 (removed 2) transitions.
// Phase 1: matrix 834 rows 993 cols
[2023-03-25 13:27:43] [INFO ] Computed 438 place invariants in 6 ms
[2023-03-25 13:27:43] [INFO ] Implicit Places using invariants in 803 ms returned []
[2023-03-25 13:27:43] [INFO ] Invariant cache hit.
[2023-03-25 13:27:45] [INFO ] Implicit Places using invariants and state equation in 1139 ms returned []
Implicit Place search using SMT with State Equation took 1945 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 993/997 places, 834/836 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 3322 ms. Remains : 993/997 places, 834/836 transitions.
Random walk for 1250000 steps, including 0 resets, run took 7302 ms (no deadlock found). (steps per millisecond=171 )
Random directed walk for 1250002 steps, including 0 resets, run took 6325 ms (no deadlock found). (steps per millisecond=197 )
[2023-03-25 13:27:58] [INFO ] Invariant cache hit.
[2023-03-25 13:27:59] [INFO ] [Real]Absence check using 438 positive place invariants in 384 ms returned sat
[2023-03-25 13:27:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:28:01] [INFO ] [Real]Absence check using state equation in 1927 ms returned sat
[2023-03-25 13:28:01] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:28:02] [INFO ] [Nat]Absence check using 438 positive place invariants in 479 ms returned sat
[2023-03-25 13:28:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:28:04] [INFO ] [Nat]Absence check using state equation in 2128 ms returned sat
[2023-03-25 13:28:04] [INFO ] Computed and/alt/rep : 830/1303/830 causal constraints (skipped 0 transitions) in 59 ms.
[2023-03-25 13:28:21] [INFO ] Added : 770 causal constraints over 156 iterations in 17418 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 92 ms.
Parikh directed walk for 354300 steps, including 1000 resets, run took 2266 ms. (steps per millisecond=156 )
Random directed walk for 500004 steps, including 0 resets, run took 2265 ms (no deadlock found). (steps per millisecond=220 )
Random walk for 500000 steps, including 0 resets, run took 3116 ms (no deadlock found). (steps per millisecond=160 )
Random directed walk for 500000 steps, including 0 resets, run took 2475 ms (no deadlock found). (steps per millisecond=202 )
Random walk for 500000 steps, including 0 resets, run took 2944 ms (no deadlock found). (steps per millisecond=169 )
[2023-03-25 13:28:35] [INFO ] Flatten gal took : 192 ms
[2023-03-25 13:28:35] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-25 13:28:35] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 3123 places, 2843 transitions and 7126 arcs took 14 ms.
Total runtime 107390 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldPPPt-PT-040B
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/381
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679750915995

--------------------
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 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/381/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/381/model.pnml
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="ShieldPPPt-PT-040B"
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 ShieldPPPt-PT-040B, 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 r405-oct2-167903725600416"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-040B.tgz
mv ShieldPPPt-PT-040B 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 ;