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-oct2-167903725600396.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-020B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r405-oct2-167903725600396
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 756K
-rw-r--r-- 1 mcc users 6.7K Feb 25 21:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 25 21:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 21:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 21:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 17:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 21:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 21:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 21:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Feb 25 21:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:00 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 376K 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 1679750737682

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-020B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-25 13:25:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-25 13:25:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 13:25:40] [INFO ] Load time of PNML (sax parser for PT used): 186 ms
[2023-03-25 13:25:40] [INFO ] Transformed 1563 places.
[2023-03-25 13:25:40] [INFO ] Transformed 1423 transitions.
[2023-03-25 13:25:40] [INFO ] Found NUPN structural information;
[2023-03-25 13:25:40] [INFO ] Parsed PT model containing 1563 places and 1423 transitions and 3566 arcs in 415 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 17 ms.23461KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1563/1563 places, 1423/1423 transitions.
Computed a total of 400 stabilizing places and 400 stable transitions
Computed a total of 400 stabilizing places and 400 stable transitions
Drop transitions removed 383 transitions
Trivial Post-agglo rules discarded 383 transitions
Performed 383 trivial Post agglomeration. Transition count delta: 383
Iterating post reduction 0 with 383 rules applied. Total rules applied 383 place count 1563 transition count 1040
Reduce places removed 383 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 240 stabilizing places and 240 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 385 rules applied. Total rules applied 768 place count 1180 transition count 1038
Reduce places removed 1 places and 0 transitions.
Computed a total of 240 stabilizing places and 240 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 769 place count 1179 transition count 1038
Computed a total of 240 stabilizing places and 240 stable transitions
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 80 Pre rules applied. Total rules applied 769 place count 1179 transition count 958
Deduced a syphon composed of 80 places in 2 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 3 with 160 rules applied. Total rules applied 929 place count 1099 transition count 958
Computed a total of 240 stabilizing places and 240 stable transitions
Discarding 140 places :
Symmetric choice reduction at 3 with 140 rule applications. Total rules 1069 place count 959 transition count 818
Iterating global reduction 3 with 140 rules applied. Total rules applied 1209 place count 959 transition count 818
Computed a total of 160 stabilizing places and 160 stable transitions
Performed 60 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 60 Pre rules applied. Total rules applied 1209 place count 959 transition count 758
Deduced a syphon composed of 60 places in 2 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 3 with 120 rules applied. Total rules applied 1329 place count 899 transition count 758
Computed a total of 161 stabilizing places and 160 stable transitions
Performed 339 Post agglomeration using F-continuation condition.Transition count delta: 339
Deduced a syphon composed of 339 places in 1 ms
Reduce places removed 339 places and 0 transitions.
Iterating global reduction 3 with 678 rules applied. Total rules applied 2007 place count 560 transition count 419
Computed a total of 2 stabilizing places and 1 stable transitions
Renaming transitions due to excessive name length > 1024 char.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 59 places in 1 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 3 with 118 rules applied. Total rules applied 2125 place count 501 transition count 419
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 2126 place count 500 transition count 418
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 2127 place count 499 transition count 418
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 2127 place count 499 transition count 416
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 2131 place count 497 transition count 416
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 2131 rules in 652 ms. Remains 497 /1563 variables (removed 1066) and now considering 416/1423 (removed 1007) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 665 ms. Remains : 497/1563 places, 416/1423 transitions.
Random walk for 1250000 steps, including 0 resets, run took 5285 ms (no deadlock found). (steps per millisecond=236 )
Random directed walk for 1250000 steps, including 0 resets, run took 3695 ms (no deadlock found). (steps per millisecond=338 )
// Phase 1: matrix 416 rows 497 cols
[2023-03-25 13:25:50] [INFO ] Computed 220 place invariants in 8 ms
[2023-03-25 13:25:51] [INFO ] [Real]Absence check using 220 positive place invariants in 133 ms returned sat
[2023-03-25 13:25:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:25:51] [INFO ] [Real]Absence check using state equation in 675 ms returned sat
[2023-03-25 13:25:51] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:25:52] [INFO ] [Nat]Absence check using 220 positive place invariants in 141 ms returned sat
[2023-03-25 13:25:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:25:52] [INFO ] [Nat]Absence check using state equation in 578 ms returned sat
[2023-03-25 13:25:52] [INFO ] Computed and/alt/rep : 412/649/412 causal constraints (skipped 0 transitions) in 43 ms.
[2023-03-25 13:25:57] [INFO ] Added : 366 causal constraints over 74 iterations in 4753 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 33 ms.
Parikh directed walk for 255100 steps, including 1001 resets, run took 1178 ms. (steps per millisecond=216 )
Random directed walk for 500003 steps, including 0 resets, run took 1570 ms (no deadlock found). (steps per millisecond=318 )
Random walk for 500000 steps, including 0 resets, run took 2025 ms (no deadlock found). (steps per millisecond=246 )
Random directed walk for 500001 steps, including 0 resets, run took 1493 ms (no deadlock found). (steps per millisecond=334 )
Random walk for 500000 steps, including 0 resets, run took 1914 ms (no deadlock found). (steps per millisecond=261 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 497/497 places, 416/416 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 12 ms. Remains 497 /497 variables (removed 0) and now considering 416/416 (removed 0) transitions.
[2023-03-25 13:26:05] [INFO ] Invariant cache hit.
[2023-03-25 13:26:06] [INFO ] Implicit Places using invariants in 406 ms returned [480, 484]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 412 ms to find 2 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 495/497 places, 416/416 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 493 transition count 414
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 22 ms. Remains 493 /495 variables (removed 2) and now considering 414/416 (removed 2) transitions.
// Phase 1: matrix 414 rows 493 cols
[2023-03-25 13:26:06] [INFO ] Computed 218 place invariants in 3 ms
[2023-03-25 13:26:06] [INFO ] Implicit Places using invariants in 233 ms returned []
[2023-03-25 13:26:06] [INFO ] Invariant cache hit.
[2023-03-25 13:26:06] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 631 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 493/497 places, 414/416 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 1079 ms. Remains : 493/497 places, 414/416 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4772 ms (no deadlock found). (steps per millisecond=261 )
Random directed walk for 1250000 steps, including 0 resets, run took 3686 ms (no deadlock found). (steps per millisecond=339 )
[2023-03-25 13:26:15] [INFO ] Invariant cache hit.
[2023-03-25 13:26:15] [INFO ] [Real]Absence check using 218 positive place invariants in 73 ms returned sat
[2023-03-25 13:26:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:26:16] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2023-03-25 13:26:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:26:16] [INFO ] [Nat]Absence check using 218 positive place invariants in 68 ms returned sat
[2023-03-25 13:26:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:26:16] [INFO ] [Nat]Absence check using state equation in 402 ms returned sat
[2023-03-25 13:26:16] [INFO ] Computed and/alt/rep : 410/643/410 causal constraints (skipped 0 transitions) in 36 ms.
[2023-03-25 13:26:20] [INFO ] Added : 344 causal constraints over 69 iterations in 4045 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 41 ms.
Parikh directed walk for 169100 steps, including 622 resets, run took 834 ms. (steps per millisecond=202 )
Random directed walk for 500004 steps, including 0 resets, run took 1386 ms (no deadlock found). (steps per millisecond=360 )
Random walk for 500000 steps, including 0 resets, run took 2095 ms (no deadlock found). (steps per millisecond=238 )
Random directed walk for 500001 steps, including 0 resets, run took 1571 ms (no deadlock found). (steps per millisecond=318 )
Random walk for 500000 steps, including 0 resets, run took 1998 ms (no deadlock found). (steps per millisecond=250 )
[2023-03-25 13:26:29] [INFO ] Flatten gal took : 138 ms
[2023-03-25 13:26:29] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-25 13:26:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1563 places, 1423 transitions and 3566 arcs took 8 ms.
Total runtime 48860 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldPPPt-PT-020B
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/378
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679750789417

--------------------
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 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/378/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/378/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-020B"
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-020B, 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-oct2-167903725600396"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-020B.tgz
mv ShieldPPPt-PT-020B 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 ;