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.r186-oct2-158987938900334.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 RwMutex-PT-r2000w0010, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r186-oct2-158987938900334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 3.4K Apr 12 12:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 12 12:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 11 13:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 11 13:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:38 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 14 12:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 14 12:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Apr 10 17:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K Apr 10 17:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Apr 9 23:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 9 23:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 10 22:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 10 22:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 24 05:38 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 iscolored
-rw-r--r-- 1 mcc users 3.9M Mar 24 05:38 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 RwMutex-PT-r2000w0010-ReachabilityCardinality-00
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-01
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-02
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-03
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-04
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-05
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-06
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-07
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-08
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-09
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-10
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-11
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-12
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-13
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-14
FORMULA_NAME RwMutex-PT-r2000w0010-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591234317273

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 01:31:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-04 01:31:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 01:31:58] [INFO ] Load time of PNML (sax parser for PT used): 260 ms
[2020-06-04 01:31:58] [INFO ] Transformed 6020 places.
[2020-06-04 01:31:58] [INFO ] Transformed 4020 transitions.
[2020-06-04 01:31:58] [INFO ] Parsed PT model containing 6020 places and 4020 transitions in 345 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 56 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 2924 ms. (steps per millisecond=3 ) properties seen :[0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0]
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 536 ms. (steps per millisecond=18 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 565 ms. (steps per millisecond=17 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 540 ms. (steps per millisecond=18 ) properties seen :[0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 490 ms. (steps per millisecond=20 ) properties seen :[0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 513 ms. (steps per millisecond=19 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 495 ms. (steps per millisecond=20 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 485 ms. (steps per millisecond=20 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 489 ms. (steps per millisecond=20 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 451 ms. (steps per millisecond=22 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 437 ms. (steps per millisecond=22 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 435 ms. (steps per millisecond=22 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 460 ms. (steps per millisecond=21 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 442 ms. (steps per millisecond=22 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 4020 rows 6020 cols
[2020-06-04 01:32:08] [INFO ] Computed 4010 place invariants in 101 ms
[2020-06-04 01:32:13] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 01:32:13] [INFO ] [Real]Absence check using 4010 positive place invariants in 4544 ms returned (error "Failed to check-sat")
[2020-06-04 01:32:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 01:32:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 0
[2020-06-04 01:32:18] [INFO ] [Real]Absence check using 4010 positive place invariants in 4635 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 01:32:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 01:32:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 1
[2020-06-04 01:32:23] [INFO ] [Real]Absence check using 4010 positive place invariants in 4534 ms returned unsat
[2020-06-04 01:32:28] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 01:32:28] [INFO ] [Real]Absence check using 4010 positive place invariants in 4692 ms returned (error "Failed to check-sat")
[2020-06-04 01:32:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 01:32:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2020-06-04 01:32:32] [INFO ] [Real]Absence check using 4010 positive place invariants in 3457 ms returned unsat
[2020-06-04 01:32:35] [INFO ] [Real]Absence check using 4010 positive place invariants in 2431 ms returned unsat
[2020-06-04 01:32:36] [INFO ] [Real]Absence check using 4010 positive place invariants in 677 ms returned unsat
[2020-06-04 01:32:36] [INFO ] [Real]Absence check using 4010 positive place invariants in 176 ms returned unsat
[2020-06-04 01:32:37] [INFO ] [Real]Absence check using 4010 positive place invariants in 475 ms returned unsat
[2020-06-04 01:32:40] [INFO ] [Real]Absence check using 4010 positive place invariants in 2298 ms returned unsat
[2020-06-04 01:32:40] [INFO ] [Real]Absence check using 4010 positive place invariants in 159 ms returned unsat
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 11 out of 6020 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 6020/6020 places, 4020/4020 transitions.
Discarding 2 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t3121 and 2 places that fell out of Prefix Of Interest.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1988 Post agglomeration using F-continuation condition.Transition count delta: 1988
Iterating post reduction 0 with 1990 rules applied. Total rules applied 1990 place count 6018 transition count 2030
Reduce places removed 3976 places and 0 transitions.
Drop transitions removed 1988 transitions
Reduce isomorphic transitions removed 1988 transitions.
Iterating post reduction 1 with 5964 rules applied. Total rules applied 7954 place count 2042 transition count 42
Ensure Unique test removed 1988 places
Iterating post reduction 2 with 1988 rules applied. Total rules applied 9942 place count 54 transition count 42
Applied a total of 9942 rules in 722 ms. Remains 54 /6020 variables (removed 5966) and now considering 42/4020 (removed 3978) transitions.
Finished structural reductions, in 1 iterations. Remains : 54/6020 places, 42/4020 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 1660 ms. (steps per millisecond=602 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 1000000 steps, including 0 resets, run finished after 598 ms. (steps per millisecond=1672 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 558 ms. (steps per millisecond=1792 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 668 ms. (steps per millisecond=1497 ) properties seen :[0, 0, 0]
Probably explored full state space saw : 2058 states, properties seen :[0, 0, 0]
Probabilistic random walk after 24606 steps, saw 2058 distinct states, run finished after 38 ms. (steps per millisecond=647 ) properties seen :[0, 0, 0]
Explored full state space saw : 2058 states, properties seen :[0, 0, 0]
Exhaustive walk after 24606 steps, saw 2058 distinct states, run finished after 21 ms. (steps per millisecond=1171 ) properties seen :[0, 0, 0]
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL EXHAUSTIVE_WALK
FORMULA RwMutex-PT-r2000w0010-ReachabilityCardinality-00 FALSE 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="RwMutex-PT-r2000w0010"
export BK_EXAMINATION="ReachabilityCardinality"
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 RwMutex-PT-r2000w0010, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r186-oct2-158987938900334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RwMutex-PT-r2000w0010.tgz
mv RwMutex-PT-r2000w0010 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;