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.r373-smll-167891824500161.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 SafeBus-PT-03, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-smll-167891824500161
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 01:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 222K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 95K 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 1679050203881

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=SafeBus-PT-03
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:50:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 10:50:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:50:07] [INFO ] Load time of PNML (sax parser for PT used): 205 ms
[2023-03-17 10:50:07] [INFO ] Transformed 57 places.
[2023-03-17 10:50:07] [INFO ] Transformed 91 transitions.
[2023-03-17 10:50:07] [INFO ] Found NUPN structural information;
[2023-03-17 10:50:07] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 347 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 3 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 6 ms.24582KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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 34 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 34 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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 11 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:50:07] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 10:50:07] [INFO ] Computed 17 place invariants in 20 ms
[2023-03-17 10:50:07] [INFO ] Implicit Places using invariants in 465 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 520 ms to find 3 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 51/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 88
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 88
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 91
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 12 rules in 19 ms. Remains 45 /51 variables (removed 6) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:50:08] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 10:50:08] [INFO ] Computed 14 place invariants in 5 ms
[2023-03-17 10:50:08] [INFO ] Implicit Places using invariants in 162 ms returned []
[2023-03-17 10:50:08] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:50:08] [INFO ] Invariant cache hit.
[2023-03-17 10:50:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:50:08] [INFO ] Implicit Places using invariants and state equation in 252 ms returned []
Implicit Place search using SMT with State Equation took 416 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 45/54 places, 91/91 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 967 ms. Remains : 45/54 places, 91/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1982 ms (no deadlock found). (steps per millisecond=630 )
Random directed walk for 1250000 steps, including 0 resets, run took 1418 ms (no deadlock found). (steps per millisecond=881 )
[2023-03-17 10:50:11] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:50:11] [INFO ] Invariant cache hit.
[2023-03-17 10:50:11] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 10:50:11] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 10:50:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:50:11] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2023-03-17 10:50:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:50:12] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 10:50:12] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 10:50:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:50:12] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-17 10:50:12] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:50:12] [INFO ] [Nat]Added 13 Read/Feed constraints in 7 ms returned sat
[2023-03-17 10:50:12] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 5 ms to minimize.
[2023-03-17 10:50:12] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 2 ms to minimize.
[2023-03-17 10:50:12] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2023-03-17 10:50:12] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2023-03-17 10:50:12] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 248 ms
[2023-03-17 10:50:12] [INFO ] Computed and/alt/rep : 37/219/37 causal constraints (skipped 28 transitions) in 17 ms.
[2023-03-17 10:50:12] [INFO ] Added : 16 causal constraints over 4 iterations in 100 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 7700 steps, including 824 resets, run took 47 ms. (steps per millisecond=163 )
Random directed walk for 500001 steps, including 0 resets, run took 804 ms (no deadlock found). (steps per millisecond=621 )
Random walk for 500000 steps, including 0 resets, run took 703 ms (no deadlock found). (steps per millisecond=711 )
Random directed walk for 500002 steps, including 0 resets, run took 534 ms (no deadlock found). (steps per millisecond=936 )
Random walk for 500000 steps, including 0 resets, run took 706 ms (no deadlock found). (steps per millisecond=708 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 45/45 places, 91/91 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 11 ms. Remains 45 /45 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 10:50:15] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:50:15] [INFO ] Invariant cache hit.
[2023-03-17 10:50:15] [INFO ] Implicit Places using invariants in 98 ms returned []
[2023-03-17 10:50:15] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:50:15] [INFO ] Invariant cache hit.
[2023-03-17 10:50:15] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:50:15] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 249 ms to find 0 implicit places.
[2023-03-17 10:50:15] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 10:50:15] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 10:50:15] [INFO ] Invariant cache hit.
[2023-03-17 10:50:15] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 9 transitions.
Found 9 dead transitions using SMT.
Drop transitions removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 45/45 places, 82/91 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 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 10:50:15] [INFO ] Redundant transitions in 3 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 430 ms. Remains : 45/45 places, 82/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2024 ms (no deadlock found). (steps per millisecond=617 )
Random directed walk for 1250000 steps, including 0 resets, run took 1264 ms (no deadlock found). (steps per millisecond=988 )
[2023-03-17 10:50:19] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 10:50:19] [INFO ] Computed 14 place invariants in 2 ms
[2023-03-17 10:50:19] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 10:50:19] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 15 ms returned sat
[2023-03-17 10:50:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 10:50:19] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-17 10:50:19] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 10:50:19] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-17 10:50:19] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 4 ms returned sat
[2023-03-17 10:50:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 10:50:19] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2023-03-17 10:50:19] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 10:50:19] [INFO ] [Nat]Added 13 Read/Feed constraints in 4 ms returned sat
[2023-03-17 10:50:19] [INFO ] Computed and/alt/rep : 37/219/37 causal constraints (skipped 28 transitions) in 9 ms.
[2023-03-17 10:50:19] [INFO ] Added : 15 causal constraints over 4 iterations in 58 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 6400 steps, including 718 resets, run took 19 ms. (steps per millisecond=336 )
Random directed walk for 500000 steps, including 0 resets, run took 507 ms (no deadlock found). (steps per millisecond=986 )
Random walk for 500000 steps, including 0 resets, run took 663 ms (no deadlock found). (steps per millisecond=754 )
Random directed walk for 500000 steps, including 0 resets, run took 507 ms (no deadlock found). (steps per millisecond=986 )
Random walk for 500000 steps, including 0 resets, run took 667 ms (no deadlock found). (steps per millisecond=749 )
[2023-03-17 10:50:21] [INFO ] Flatten gal took : 55 ms
[2023-03-17 10:50:21] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 10:50:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 54 places, 91 transitions and 529 arcs took 2 ms.
Total runtime 14905 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SafeBus-PT-03
BK_EXAMINATION: ReachabilityDeadlock
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/372
GlobalProperty: ReachabilityDeadlock

FORMULA ReachabilityDeadlock FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679050223010

--------------------
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/372/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/372/model.pnml
lola: No deadlock is reachable.
lola: STP: formula with 8159 variables and 40490 clauses shipped to Minisat

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="SafeBus-PT-03"
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 SafeBus-PT-03, 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 r373-smll-167891824500161"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 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 ;