fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r170-smll-158987815800382
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for FlexibleBarrier-PT-18b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15742.510 3600000.00 42140.00 335.70 TTTFTTTFFTTFTFTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2020-input.r170-smll-158987815800382.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is FlexibleBarrier-PT-18b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-158987815800382
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 3.8K Apr 4 19:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 4 19:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 4 08:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 4 08:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 8 14:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 8 14:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 3 21:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 3 21:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 3 13:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 3 13:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 4 01:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 4 01:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 1.2M Mar 24 05:37 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 FlexibleBarrier-PT-18b-ReachabilityCardinality-00
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-01
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-02
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-03
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-04
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-05
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-06
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-07
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-08
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-09
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-10
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-11
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-12
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-13
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-14
FORMULA_NAME FlexibleBarrier-PT-18b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591401696504

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-06 00:01:39] [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]
[2020-06-06 00:01:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-06 00:01:40] [INFO ] Load time of PNML (sax parser for PT used): 476 ms
[2020-06-06 00:01:40] [INFO ] Transformed 4370 places.
[2020-06-06 00:01:40] [INFO ] Transformed 5037 transitions.
[2020-06-06 00:01:40] [INFO ] Found NUPN structural information;
[2020-06-06 00:01:40] [INFO ] Parsed PT model containing 4370 places and 5037 transitions in 593 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 128 ms.
Working with output stream class java.io.PrintStream
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 81 resets, run finished after 178 ms. (steps per millisecond=56 ) properties seen :[0, 0, 0, 1, 0, 0]
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 38 ms. (steps per millisecond=263 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 1]
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 0, 0, 0]
// Phase 1: matrix 5037 rows 4370 cols
[2020-06-06 00:01:40] [INFO ] Computed 20 place invariants in 287 ms
[2020-06-06 00:01:43] [INFO ] [Real]Absence check using 20 positive place invariants in 362 ms returned sat
[2020-06-06 00:01:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 00:01:46] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-06 00:01:46] [INFO ] [Real]Absence check using state equation in 2885 ms returned (error "Failed to check-sat")
[2020-06-06 00:01:47] [INFO ] [Real]Absence check using 20 positive place invariants in 518 ms returned sat
[2020-06-06 00:01:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 00:01:51] [INFO ] [Real]Absence check using state equation in 3102 ms returned (error "Solver has unexpectedly terminated")
[2020-06-06 00:01:52] [INFO ] [Real]Absence check using 20 positive place invariants in 503 ms returned sat
[2020-06-06 00:01:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 00:01:56] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-06 00:01:56] [INFO ] [Real]Absence check using state equation in 3544 ms returned (error "Failed to check-sat")
[2020-06-06 00:01:57] [INFO ] [Real]Absence check using 20 positive place invariants in 498 ms returned sat
[2020-06-06 00:01:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-06 00:02:01] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-06 00:02:01] [INFO ] [Real]Absence check using state equation in 3268 ms returned (error "Failed to check-sat")
Support contains 12 out of 4370 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 4370/4370 places, 5037/5037 transitions.
Graph (trivial) has 4295 edges and 4370 vertex of which 104 / 4370 are part of one of the 17 SCC in 28 ms
Free SCC test removed 87 places
Drop transitions removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Performed 1068 Post agglomeration using F-continuation condition.Transition count delta: 1068
Iterating post reduction 0 with 1173 rules applied. Total rules applied 1174 place count 4283 transition count 3864
Reduce places removed 1068 places and 0 transitions.
Iterating post reduction 1 with 1068 rules applied. Total rules applied 2242 place count 3215 transition count 3864
Performed 304 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 304 Pre rules applied. Total rules applied 2242 place count 3215 transition count 3560
Deduced a syphon composed of 304 places in 5 ms
Reduce places removed 304 places and 0 transitions.
Iterating global reduction 2 with 608 rules applied. Total rules applied 2850 place count 2911 transition count 3560
Symmetric choice reduction at 2 with 1769 rule applications. Total rules 4619 place count 2911 transition count 3560
Deduced a syphon composed of 1769 places in 8 ms
Reduce places removed 1769 places and 1769 transitions.
Iterating global reduction 2 with 3538 rules applied. Total rules applied 8157 place count 1142 transition count 1791
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 8157 place count 1142 transition count 1774
Deduced a syphon composed of 17 places in 4 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 8191 place count 1125 transition count 1774
Symmetric choice reduction at 2 with 283 rule applications. Total rules 8474 place count 1125 transition count 1774
Deduced a syphon composed of 283 places in 4 ms
Reduce places removed 283 places and 283 transitions.
Iterating global reduction 2 with 566 rules applied. Total rules applied 9040 place count 842 transition count 1491
Ensure Unique test removed 281 transitions
Reduce isomorphic transitions removed 281 transitions.
Iterating post reduction 2 with 281 rules applied. Total rules applied 9321 place count 842 transition count 1210
Performed 95 Post agglomeration using F-continuation condition.Transition count delta: 95
Deduced a syphon composed of 95 places in 1 ms
Reduce places removed 95 places and 0 transitions.
Iterating global reduction 3 with 190 rules applied. Total rules applied 9511 place count 747 transition count 1115
Drop transitions removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 3 with 34 rules applied. Total rules applied 9545 place count 747 transition count 1081
Symmetric choice reduction at 4 with 17 rule applications. Total rules 9562 place count 747 transition count 1081
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 17 transitions.
Iterating global reduction 4 with 34 rules applied. Total rules applied 9596 place count 730 transition count 1064
Free-agglomeration rule applied 617 times.
Iterating global reduction 4 with 617 rules applied. Total rules applied 10213 place count 730 transition count 447
Reduce places removed 617 places and 0 transitions.
Drop transitions removed 255 transitions
Reduce isomorphic transitions removed 255 transitions.
Iterating post reduction 4 with 872 rules applied. Total rules applied 11085 place count 113 transition count 192
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 11086 place count 113 transition count 192
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 11087 place count 113 transition count 191
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 6 with 33 rules applied. Total rules applied 11120 place count 113 transition count 158
Discarding 30 places :
Also discarding 0 output transitions
Graph (complete) has 308 edges and 113 vertex of which 83 are kept as prefixes of interest. Removing 30 places using SCC suffix rule.6 ms
Iterating post reduction 6 with 1 rules applied. Total rules applied 11121 place count 83 transition count 158
Drop transitions removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 7 with 42 rules applied. Total rules applied 11163 place count 83 transition count 116
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 11164 place count 82 transition count 115
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 62 edges and 81 vertex of which 18 / 81 are part of one of the 9 SCC in 0 ms
Free SCC test removed 9 places
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 8 with 4 rules applied. Total rules applied 11168 place count 72 transition count 113
Reduce places removed 2 places and 0 transitions.
Drop transitions removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 9 with 20 rules applied. Total rules applied 11188 place count 70 transition count 95
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 13 Pre rules applied. Total rules applied 11188 place count 70 transition count 82
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 10 with 26 rules applied. Total rules applied 11214 place count 57 transition count 82
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 10 with 12 rules applied. Total rules applied 11226 place count 57 transition count 70
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 11 with 28 rules applied. Total rules applied 11254 place count 43 transition count 56
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 11255 place count 43 transition count 55
Free-agglomeration rule applied 12 times.
Iterating global reduction 12 with 12 rules applied. Total rules applied 11267 place count 43 transition count 43
Reduce places removed 17 places and 0 transitions.
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 27 rules applied. Total rules applied 11294 place count 26 transition count 33
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 13 with 1 rules applied. Total rules applied 11295 place count 26 transition count 33
Applied a total of 11295 rules in 1477 ms. Remains 26 /4370 variables (removed 4344) and now considering 33/5037 (removed 5004) transitions.
Finished structural reductions, in 1 iterations. Remains : 26/4370 places, 33/5037 transitions.
Finished random walk after 24 steps, including 0 resets, run visited all 4 properties in 1 ms. (steps per millisecond=24 )
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18b-ReachabilityCardinality-02 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="FlexibleBarrier-PT-18b"
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 FlexibleBarrier-PT-18b, 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 r170-smll-158987815800382"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18b.tgz
mv FlexibleBarrier-PT-18b 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 ;