Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r176-tajo-158987871300071.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is Philosophers-COL-002000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-tajo-158987871300071
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 272K
-rw-r--r-- 1 mcc users 3.4K Apr 27 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 27 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 27 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 27 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 27 15:14 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Apr 27 15:14 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 27 15:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 27 15:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 27 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 27 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Apr 27 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 27 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 27 15:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 27 15:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Apr 27 15:14 equiv_pt
-rw-r--r-- 1 mcc users 7 Apr 27 15:14 instance
-rw-r--r-- 1 mcc users 5 Apr 27 15:14 iscolored
-rw-r--r-- 1 mcc users 96K Apr 27 15:14 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 Philosophers-COL-002000-ReachabilityFireability-00
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-01
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-02
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-03
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-04
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-05
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-06
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-07
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-08
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-09
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-10
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-11
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-12
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-13
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-14
FORMULA_NAME Philosophers-COL-002000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1591126077238

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-02 19:27:58] [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]
[2020-06-02 19:27:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-02 19:27:58] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
[2020-06-02 19:27:59] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 601 ms
[2020-06-02 19:27:59] [INFO ] sort/places :
Philo->think,fork,catch1,catch2,eat,

[2020-06-02 19:27:59] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 10000 PT places and 10000.0 transition bindings in 39 ms.
[2020-06-02 19:27:59] [INFO ] Computed order based on color domains.
[2020-06-02 19:27:59] [INFO ] Unfolded HLPN to a Petri net with 10000 places and 10000 transitions in 83 ms.
[2020-06-02 19:27:59] [INFO ] Unfolded HLPN properties in 17 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 1023 ms.
Working with output stream class java.io.PrintStream
FORMULA Philosophers-COL-002000-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-002000-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Philosophers-COL-002000-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 2472 ms. (steps per millisecond=4 ) properties seen :[0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0]
FORMULA Philosophers-COL-002000-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 4039 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 8000 steps, including 0 resets, run timeout after 5598 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 6511 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 6002 steps, including 0 resets, run timeout after 5737 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 3780 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3001 steps, including 0 resets, run timeout after 6797 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0]
// Phase 1: matrix 10000 rows 10000 cols
[2020-06-02 19:28:35] [INFO ] Computed 4000 place invariants in 170 ms
[2020-06-02 19:28:40] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:28:40] [INFO ] [Real]Absence check using 4000 positive place invariants in 3762 ms returned (error "Failed to check-sat")
[2020-06-02 19:28:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:28:40] [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
[2020-06-02 19:28:45] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:28:45] [INFO ] [Real]Absence check using 4000 positive place invariants in 3930 ms returned (error "Failed to check-sat")
[2020-06-02 19:28:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:28:45] [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
[2020-06-02 19:28:50] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:28:50] [INFO ] [Real]Absence check using 4000 positive place invariants in 3856 ms returned (error "Failed to check-sat")
[2020-06-02 19:28:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:28:51] [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 2
[2020-06-02 19:28:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:28:56] [INFO ] [Real]Absence check using 4000 positive place invariants in 3967 ms returned (error "Failed to check-sat")
[2020-06-02 19:28:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:28:56] [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
[2020-06-02 19:29:01] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:29:01] [INFO ] [Real]Absence check using 4000 positive place invariants in 3993 ms returned (error "Failed to check-sat")
[2020-06-02 19:29:01] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:29:01] [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 4
[2020-06-02 19:29:06] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:29:06] [INFO ] [Real]Absence check using 4000 positive place invariants in 4122 ms returned (error "Failed to check-sat")
[2020-06-02 19:29:06] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:29:06] [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 5
Support contains 10000 out of 10000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 188 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 10000/10000 places, 10000/10000 transitions.
Interrupted random walk after 333114 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=11 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 12998 steps, including 0 resets, run timeout after 5011 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 8000 steps, including 0 resets, run timeout after 5316 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 4001 steps, including 0 resets, run timeout after 6166 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 6002 steps, including 0 resets, run timeout after 5799 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 13998 steps, including 0 resets, run timeout after 5263 ms. (steps per millisecond=2 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted Best-First random walk after 3001 steps, including 0 resets, run timeout after 6791 ms. (steps per millisecond=0 ) properties seen :[0, 0, 0, 0, 0, 0]
Interrupted probabilistic random walk after 51958 steps, run timeout after 30017 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 1, 0, 0]
Probabilistic random walk after 51958 steps, saw 14 distinct states, run finished after 30018 ms. (steps per millisecond=1 ) properties seen :[0, 0, 0, 1, 0, 0]
FORMULA Philosophers-COL-002000-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 10000 rows 10000 cols
[2020-06-02 19:30:41] [INFO ] Computed 4000 place invariants in 94 ms
[2020-06-02 19:31:12] [INFO ] [Real]Absence check using 4000 positive place invariants in 30184 ms returned sat
[2020-06-02 19:31:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:31:26] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:31:26] [INFO ] [Real]Absence check using state equation in 13877 ms returned unknown
[2020-06-02 19:32:02] [INFO ] [Real]Absence check using 4000 positive place invariants in 35221 ms returned sat
[2020-06-02 19:32:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:32:11] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:32:11] [INFO ] [Real]Absence check using state equation in 8988 ms returned unknown
[2020-06-02 19:32:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:32:56] [INFO ] [Real]Absence check using 4000 positive place invariants in 44060 ms returned (error "Failed to check-sat")
[2020-06-02 19:32:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:32:56] [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 2
[2020-06-02 19:33:28] [INFO ] [Real]Absence check using 4000 positive place invariants in 31880 ms returned sat
[2020-06-02 19:33:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:33:41] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:33:41] [INFO ] [Real]Absence check using state equation in 12169 ms returned (error "Failed to check-sat")
[2020-06-02 19:34:26] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-02 19:34:26] [INFO ] [Real]Absence check using 4000 positive place invariants in 43920 ms returned (error "Failed to check-sat")
[2020-06-02 19:34:26] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-02 19:34:26] [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 4
Support contains 10000 out of 10000 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 149 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 10000/10000 places, 10000/10000 transitions.
Finished random walk after 412484 steps, including 0 resets, run visited all 5 properties in 26697 ms. (steps per millisecond=15 )
FORMULA Philosophers-COL-002000-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Philosophers-COL-002000-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_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="Philosophers-COL-002000"
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 Philosophers-COL-002000, 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 r176-tajo-158987871300071"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-002000.tgz
mv Philosophers-COL-002000 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 ;