Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fko/mcc2020-input.r184-oct2-158987928900663.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is LamportFastMutEx-PT-4, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-oct2-158987928900663
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 6.6K Apr 30 13:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 30 13:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 30 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 30 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 30 13:04 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Apr 30 13:04 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 8.9K Apr 30 13:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K Apr 30 13:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Apr 30 13:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 30 13:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Apr 30 13:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 29K Apr 30 13:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 30 13:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 30 13:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.4K Apr 30 13:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Apr 30 13:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Apr 30 13:04 equiv_col
-rw-r--r-- 1 mcc users 2 Apr 30 13:04 instance
-rw-r--r-- 1 mcc users 6 Apr 30 13:04 iscolored
-rw-r--r-- 1 mcc users 110K Apr 30 13:04 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-00
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-01
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-02
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-03
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-04
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-05
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-06
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-07
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-08
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-09
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-10
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-11
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-12
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-13
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-14
FORMULA_NAME LamportFastMutEx-PT-4-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591218282689

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 21:04:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 21:04:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 21:04:44] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2020-06-03 21:04:44] [INFO ] Transformed 135 places.
[2020-06-03 21:04:44] [INFO ] Transformed 230 transitions.
[2020-06-03 21:04:44] [INFO ] Parsed PT model containing 135 places and 230 transitions in 81 ms.
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 50 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 69 ms. (steps per millisecond=144 ) properties seen :[0, 0, 1, 0, 1, 1, 1, 0, 1, 1]
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 70 ms. (steps per millisecond=142 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 38 ms. (steps per millisecond=263 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 152 ms. (steps per millisecond=65 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 0, 0]
[2020-06-03 21:04:44] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
// Phase 1: matrix 144 rows 102 cols
[2020-06-03 21:04:44] [INFO ] Computed 26 place invariants in 9 ms
[2020-06-03 21:04:44] [INFO ] [Real]Absence check using 26 positive place invariants in 17 ms returned unsat
[2020-06-03 21:04:45] [INFO ] [Real]Absence check using 26 positive place invariants in 17 ms returned sat
[2020-06-03 21:04:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 21:04:45] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2020-06-03 21:04:45] [INFO ] State equation strengthened by 48 read => feed constraints.
[2020-06-03 21:04:45] [INFO ] [Real]Added 48 Read/Feed constraints in 21 ms returned sat
[2020-06-03 21:04:45] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 21:04:45] [INFO ] [Nat]Absence check using 26 positive place invariants in 14 ms returned sat
[2020-06-03 21:04:45] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 21:04:45] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2020-06-03 21:04:45] [INFO ] [Nat]Added 48 Read/Feed constraints in 4 ms returned sat
[2020-06-03 21:04:45] [INFO ] Deduced a trap composed of 24 places in 78 ms
[2020-06-03 21:04:45] [INFO ] Deduced a trap composed of 8 places in 54 ms
[2020-06-03 21:04:45] [INFO ] Deduced a trap composed of 10 places in 62 ms
[2020-06-03 21:04:45] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 263 ms
[2020-06-03 21:04:45] [INFO ] Computed and/alt/rep : 176/848/140 causal constraints in 11 ms.
[2020-06-03 21:04:45] [INFO ] Added : 134 causal constraints over 27 iterations in 457 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 27 ms.
[2020-06-03 21:04:46] [INFO ] [Real]Absence check using 26 positive place invariants in 24 ms returned unsat
[2020-06-03 21:04:46] [INFO ] [Real]Absence check using 26 positive place invariants in 40 ms returned sat
[2020-06-03 21:04:46] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 21:04:46] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2020-06-03 21:04:46] [INFO ] [Real]Added 48 Read/Feed constraints in 5 ms returned sat
[2020-06-03 21:04:46] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 21:04:46] [INFO ] [Nat]Absence check using 26 positive place invariants in 9 ms returned sat
[2020-06-03 21:04:46] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 21:04:46] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2020-06-03 21:04:46] [INFO ] [Nat]Added 48 Read/Feed constraints in 4 ms returned sat
[2020-06-03 21:04:46] [INFO ] Deduced a trap composed of 9 places in 464 ms
[2020-06-03 21:04:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 499 ms
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Incomplete Parikh walk after 33700 steps, including 799 resets, run finished after 94 ms. (steps per millisecond=358 ) properties seen :[0] could not realise parikh vector
Support contains 13 out of 102 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 102/102 places, 180/180 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 98 transition count 176
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 12 place count 98 transition count 172
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 94 transition count 172
Applied a total of 16 rules in 49 ms. Remains 94 /102 variables (removed 8) and now considering 172/180 (removed 8) transitions.
Finished structural reductions, in 1 iterations. Remains : 94/102 places, 172/180 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 1330 ms. (steps per millisecond=751 ) properties seen :[0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 918 ms. (steps per millisecond=1089 ) properties seen :[0]
Probably explored full state space saw : 1498222 states, properties seen :[0]
Probabilistic random walk after 8631254 steps, saw 1498222 distinct states, run finished after 11081 ms. (steps per millisecond=778 ) properties seen :[0]
Explored full state space saw : 1498496 states, properties seen :[0]
Exhaustive walk after 8632768 steps, saw 1498496 distinct states, run finished after 9889 ms. (steps per millisecond=872 ) properties seen :[0]
FORMULA LamportFastMutEx-PT-4-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
All properties solved without resorting to model-checking.

--------------------
content from stderr:

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="LamportFastMutEx-PT-4"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is LamportFastMutEx-PT-4, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r184-oct2-158987928900663"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-PT-4.tgz
mv LamportFastMutEx-PT-4 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;