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-oct2-167903725300166.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 ShieldIIPt-PT-010B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r405-oct2-167903725300166
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 656K
-rw-r--r-- 1 mcc users 7.3K Feb 25 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 16:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 16:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 16:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Feb 25 16:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 16:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 25 16:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:56 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 167K 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 1679750173494

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=ShieldIIPt-PT-010B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-25 13:16:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-25 13:16:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 13:16:16] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2023-03-25 13:16:16] [INFO ] Transformed 703 places.
[2023-03-25 13:16:16] [INFO ] Transformed 653 transitions.
[2023-03-25 13:16:16] [INFO ] Found NUPN structural information;
[2023-03-25 13:16:16] [INFO ] Parsed PT model containing 703 places and 653 transitions and 1626 arcs in 212 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 5 ms.24453KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 703/703 places, 653/653 transitions.
Computed a total of 200 stabilizing places and 200 stable transitions
Computed a total of 200 stabilizing places and 200 stable transitions
Drop transitions removed 172 transitions
Trivial Post-agglo rules discarded 172 transitions
Performed 172 trivial Post agglomeration. Transition count delta: 172
Iterating post reduction 0 with 172 rules applied. Total rules applied 172 place count 703 transition count 481
Reduce places removed 172 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 120 stabilizing places and 120 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 174 rules applied. Total rules applied 346 place count 531 transition count 479
Reduce places removed 1 places and 0 transitions.
Computed a total of 120 stabilizing places and 120 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 347 place count 530 transition count 479
Computed a total of 120 stabilizing places and 120 stable transitions
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 41 Pre rules applied. Total rules applied 347 place count 530 transition count 438
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 429 place count 489 transition count 438
Computed a total of 120 stabilizing places and 120 stable transitions
Discarding 70 places :
Symmetric choice reduction at 3 with 70 rule applications. Total rules 499 place count 419 transition count 368
Iterating global reduction 3 with 70 rules applied. Total rules applied 569 place count 419 transition count 368
Computed a total of 80 stabilizing places and 80 stable transitions
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 569 place count 419 transition count 338
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 629 place count 389 transition count 338
Computed a total of 81 stabilizing places and 80 stable transitions
Performed 169 Post agglomeration using F-continuation condition.Transition count delta: 169
Deduced a syphon composed of 169 places in 0 ms
Reduce places removed 169 places and 0 transitions.
Iterating global reduction 3 with 338 rules applied. Total rules applied 967 place count 220 transition count 169
Computed a total of 3 stabilizing places and 1 stable transitions
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 1025 place count 191 transition count 188
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 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 1026 place count 190 transition count 187
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 3 with 2 rules applied. Total rules applied 1028 place count 188 transition count 187
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1028 place count 188 transition count 186
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1030 place count 187 transition count 186
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 1030 rules in 200 ms. Remains 187 /703 variables (removed 516) and now considering 186/653 (removed 467) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 200 ms. Remains : 187/703 places, 186/653 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4060 ms (no deadlock found). (steps per millisecond=307 )
Random directed walk for 1250002 steps, including 0 resets, run took 2720 ms (no deadlock found). (steps per millisecond=459 )
// Phase 1: matrix 186 rows 187 cols
[2023-03-25 13:16:23] [INFO ] Computed 89 place invariants in 15 ms
[2023-03-25 13:16:24] [INFO ] [Real]Absence check using 89 positive place invariants in 76 ms returned sat
[2023-03-25 13:16:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:16:24] [INFO ] [Real]Absence check using state equation in 167 ms returned sat
[2023-03-25 13:16:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:16:24] [INFO ] [Nat]Absence check using 89 positive place invariants in 256 ms returned sat
[2023-03-25 13:16:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:16:25] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2023-03-25 13:16:25] [INFO ] Computed and/alt/rep : 182/278/182 causal constraints (skipped 0 transitions) in 26 ms.
[2023-03-25 13:16:26] [INFO ] Added : 139 causal constraints over 29 iterations in 1054 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 30 ms.
Parikh directed walk for 67400 steps, including 243 resets, run took 252 ms. (steps per millisecond=267 )
Random directed walk for 500002 steps, including 0 resets, run took 983 ms (no deadlock found). (steps per millisecond=508 )
Random walk for 500000 steps, including 0 resets, run took 1472 ms (no deadlock found). (steps per millisecond=339 )
Random directed walk for 500000 steps, including 0 resets, run took 1072 ms (no deadlock found). (steps per millisecond=466 )
Random walk for 500000 steps, including 0 resets, run took 1476 ms (no deadlock found). (steps per millisecond=338 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 187/187 places, 186/186 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 187 /187 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2023-03-25 13:16:31] [INFO ] Invariant cache hit.
[2023-03-25 13:16:31] [INFO ] Implicit Places using invariants in 223 ms returned [176]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 227 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 186/187 places, 186/186 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 185 transition count 185
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 2 rules in 9 ms. Remains 185 /186 variables (removed 1) and now considering 185/186 (removed 1) transitions.
// Phase 1: matrix 185 rows 185 cols
[2023-03-25 13:16:31] [INFO ] Computed 88 place invariants in 2 ms
[2023-03-25 13:16:31] [INFO ] Implicit Places using invariants in 119 ms returned []
[2023-03-25 13:16:31] [INFO ] Invariant cache hit.
[2023-03-25 13:16:31] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 295 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 185/187 places, 185/186 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 540 ms. Remains : 185/187 places, 185/186 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3682 ms (no deadlock found). (steps per millisecond=339 )
Random directed walk for 1250004 steps, including 0 resets, run took 2539 ms (no deadlock found). (steps per millisecond=492 )
[2023-03-25 13:16:38] [INFO ] Invariant cache hit.
[2023-03-25 13:16:38] [INFO ] [Real]Absence check using 88 positive place invariants in 44 ms returned sat
[2023-03-25 13:16:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 13:16:38] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2023-03-25 13:16:38] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 13:16:38] [INFO ] [Nat]Absence check using 88 positive place invariants in 27 ms returned sat
[2023-03-25 13:16:38] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 13:16:39] [INFO ] [Nat]Absence check using state equation in 100 ms returned sat
[2023-03-25 13:16:39] [INFO ] Computed and/alt/rep : 181/275/181 causal constraints (skipped 0 transitions) in 22 ms.
[2023-03-25 13:16:39] [INFO ] Added : 132 causal constraints over 27 iterations in 896 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 11 ms.
Parikh directed walk for 83900 steps, including 496 resets, run took 283 ms. (steps per millisecond=296 )
Random directed walk for 500001 steps, including 0 resets, run took 1007 ms (no deadlock found). (steps per millisecond=496 )
Random walk for 500000 steps, including 0 resets, run took 1428 ms (no deadlock found). (steps per millisecond=350 )
Random directed walk for 500002 steps, including 0 resets, run took 1009 ms (no deadlock found). (steps per millisecond=495 )
Random walk for 500000 steps, including 0 resets, run took 1379 ms (no deadlock found). (steps per millisecond=362 )
[2023-03-25 13:16:45] [INFO ] Flatten gal took : 97 ms
[2023-03-25 13:16:45] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-25 13:16:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 703 places, 653 transitions and 1626 arcs took 7 ms.
Total runtime 29123 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldIIPt-PT-010B
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 1679750205847

--------------------
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/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: 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="ShieldIIPt-PT-010B"
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 ShieldIIPt-PT-010B, 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-oct2-167903725300166"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-010B.tgz
mv ShieldIIPt-PT-010B 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 ;