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.r309-tall-167873962700205.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 PhilosophersDyn-PT-10, examination is OneSafe
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r309-tall-167873962700205
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 39K Feb 26 12:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 195K Feb 26 12:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 288K Feb 26 12:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.5M Feb 26 12:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 47K Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 138K Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 537K Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 89K Feb 26 12:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 443K Feb 26 12:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.3M Feb 26 12:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 6.5M Feb 26 12:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 14K Feb 25 16:34 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 1.8M 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 OneSafe

=== Now, execution of the tool begins

BK_START 1679442421941

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=OneSafe
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=PhilosophersDyn-PT-10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 23:47:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, OneSafe, -timeout, 180, -rebuildPNML]
[2023-03-21 23:47:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 23:47:03] [INFO ] Load time of PNML (sax parser for PT used): 174 ms
[2023-03-21 23:47:03] [INFO ] Transformed 170 places.
[2023-03-21 23:47:03] [INFO ] Transformed 2310 transitions.
[2023-03-21 23:47:03] [INFO ] Parsed PT model containing 170 places and 2310 transitions and 18190 arcs in 256 ms.
Ensure Unique test removed 45 transitions
Reduce redundant transitions removed 45 transitions.
Normalized transition count is 1905 out of 2265 initially.
// Phase 1: matrix 1905 rows 170 cols
[2023-03-21 23:47:03] [INFO ] Computed 39 place invariants in 72 ms
[2023-03-21 23:47:03] [INFO ] Rough structural analysis with invariants proved 118 places are one safe in 84 ms (including invariant computation).
[2023-03-21 23:47:04] [INFO ] [Real]Absence check using 27 positive place invariants in 35 ms proved 0 places are One-Safe.
[2023-03-21 23:47:04] [INFO ] [Real]Absence check using 27 positive and 12 generalized place invariants in 24 ms proved 42 places are One-Safe.
[2023-03-21 23:47:04] [INFO ] Flow matrix only has 1905 transitions (discarded 360 similar events)
[2023-03-21 23:47:04] [INFO ] [Real] State equation constraints in 464 ms proved 0 places are One-Safe.
Incomplete random walk after 10000 steps, including 1184 resets, run finished after 643 ms. (steps per millisecond=15 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 52) seen :0
Interrupted probabilistic random walk after 117442 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :{}
Probabilistic random walk after 117442 steps, saw 30974 distinct states, run finished after 3002 ms. (steps per millisecond=39 ) properties seen :0
Running SMT prover for 52 properties.
[2023-03-21 23:47:08] [INFO ] Flow matrix only has 1905 transitions (discarded 360 similar events)
// Phase 1: matrix 1905 rows 170 cols
[2023-03-21 23:47:08] [INFO ] Computed 39 place invariants in 37 ms
[2023-03-21 23:47:08] [INFO ] [Real]Absence check using 27 positive place invariants in 7 ms returned sat
[2023-03-21 23:47:08] [INFO ] [Real]Absence check using 27 positive and 12 generalized place invariants in 6 ms returned sat
[2023-03-21 23:47:10] [INFO ] After 1338ms SMT Verify possible using all constraints in real domain returned unsat :42 sat :0 real:10
[2023-03-21 23:47:10] [INFO ] [Nat]Absence check using 27 positive place invariants in 4 ms returned sat
[2023-03-21 23:47:10] [INFO ] [Nat]Absence check using 27 positive and 12 generalized place invariants in 6 ms returned sat
[2023-03-21 23:47:11] [INFO ] After 1028ms SMT Verify possible using state equation in natural domain returned unsat :42 sat :10
[2023-03-21 23:47:11] [INFO ] State equation strengthened by 1030 read => feed constraints.
[2023-03-21 23:47:13] [INFO ] After 1820ms SMT Verify possible using 1030 Read/Feed constraints in natural domain returned unsat :42 sat :10
[2023-03-21 23:47:13] [INFO ] Deduced a trap composed of 70 places in 261 ms of which 4 ms to minimize.
[2023-03-21 23:47:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 362 ms
[2023-03-21 23:47:14] [INFO ] After 3713ms SMT Verify possible using trap constraints in natural domain returned unsat :42 sat :10
Attempting to minimize the solution found.
Minimization took 1243 ms.
[2023-03-21 23:47:16] [INFO ] After 6149ms SMT Verify possible using all constraints in natural domain returned unsat :42 sat :10
Fused 52 Parikh solutions to 10 different solutions.
Parikh walk visited 0 properties in 4468 ms.
Support contains 10 out of 170 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 170/170 places, 2265/2265 transitions.
Applied a total of 0 rules in 279 ms. Remains 170 /170 variables (removed 0) and now considering 2265/2265 (removed 0) transitions.
[2023-03-21 23:47:20] [INFO ] Flow matrix only has 1905 transitions (discarded 360 similar events)
[2023-03-21 23:47:20] [INFO ] Invariant cache hit.
[2023-03-21 23:47:21] [INFO ] Dead Transitions using invariants and state equation in 805 ms found 380 transitions.
Found 380 dead transitions using SMT.
Drop transitions removed 380 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 380 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 170/170 places, 1885/2265 transitions.
Applied a total of 0 rules in 114 ms. Remains 170 /170 variables (removed 0) and now considering 1885/1885 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1202 ms. Remains : 170/170 places, 1885/2265 transitions.
Incomplete random walk after 1000000 steps, including 119388 resets, run finished after 28732 ms. (steps per millisecond=34 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9169 resets, run finished after 2588 ms. (steps per millisecond=386 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9177 resets, run finished after 2639 ms. (steps per millisecond=378 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9155 resets, run finished after 2768 ms. (steps per millisecond=361 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9149 resets, run finished after 2687 ms. (steps per millisecond=372 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9162 resets, run finished after 2658 ms. (steps per millisecond=376 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9190 resets, run finished after 2587 ms. (steps per millisecond=386 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9174 resets, run finished after 2548 ms. (steps per millisecond=392 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9176 resets, run finished after 2579 ms. (steps per millisecond=387 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9172 resets, run finished after 2613 ms. (steps per millisecond=382 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9170 resets, run finished after 2606 ms. (steps per millisecond=383 ) properties (out of 10) seen :0
Probably explored full state space saw : 199046 states, properties seen :0
Probabilistic random walk after 816332 steps, saw 199046 distinct states, run finished after 15186 ms. (steps per millisecond=53 ) properties seen :0
Explored full state space saw : 199051 states, properties seen :0
Exhaustive walk after 816356 steps, saw 199051 distinct states, run finished after 14841 ms. (steps per millisecond=55 ) properties seen :0
Able to resolve query OneSafe after proving 212 properties.
FORMULA OneSafe TRUE TECHNIQUES EXHAUSTIVE_WALK STRUCTURAL_REDUCTION INVARIANTS TOPOLOGICAL SAT_SMT STRUCTURAL
Total runtime 103522 ms.
ITS solved all properties within timeout

BK_STOP 1679442527934

--------------------
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 OneSafe -timeout 180 -rebuildPNML

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="PhilosophersDyn-PT-10"
export BK_EXAMINATION="OneSafe"
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 PhilosophersDyn-PT-10, examination is OneSafe"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r309-tall-167873962700205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-PT-10.tgz
mv PhilosophersDyn-PT-10 execution
cd execution
if [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "UpperBounds" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] || [ "OneSafe" = "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 [ "OneSafe" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "OneSafe" != "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 "OneSafe.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property OneSafe.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "OneSafe.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 '' OneSafe.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "OneSafe" = "ReachabilityDeadlock" ] || [ "OneSafe" = "QuasiLiveness" ] || [ "OneSafe" = "StableMarking" ] || [ "OneSafe" = "Liveness" ] || [ "OneSafe" = "OneSafe" ] ; then
echo "FORMULA_NAME OneSafe"
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 ;