Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2020-input.r174-csrt-158987853100390.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-input.qcow2 encryption=off 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 NoC3x3-PT-4B, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r174-csrt-158987853100390
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 780K
-rw-r--r-- 1 mcc users 3.1K Apr 8 15:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Apr 8 15:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 7 18:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 7 18:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.7K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K Apr 14 12:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 14 12:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 6 20:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Apr 6 20:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 6 03:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 6 03:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 6 20:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 6 20:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 608K 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 NoC3x3-PT-4B-ReachabilityCardinality-00
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-01
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-02
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-03
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-04
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-05
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-06
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-07
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-08
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-09
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-10
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-11
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-12
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-13
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-14
FORMULA_NAME NoC3x3-PT-4B-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591144286475

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 00:31:28] [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]
[2020-06-03 00:31:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 00:31:28] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2020-06-03 00:31:28] [INFO ] Transformed 2328 places.
[2020-06-03 00:31:28] [INFO ] Transformed 2701 transitions.
[2020-06-03 00:31:28] [INFO ] Found NUPN structural information;
[2020-06-03 00:31:28] [INFO ] Parsed PT model containing 2328 places and 2701 transitions in 227 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 88 ms.
Working with output stream class java.io.PrintStream
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 5 resets, run finished after 59 ms. (steps per millisecond=169 ) properties seen :[1, 1, 0, 0, 1, 0]
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 21 ms. (steps per millisecond=476 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0]
// Phase 1: matrix 2701 rows 2328 cols
[2020-06-03 00:31:29] [INFO ] Computed 66 place invariants in 68 ms
[2020-06-03 00:31:30] [INFO ] [Real]Absence check using 66 positive place invariants in 250 ms returned sat
[2020-06-03 00:31:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:31:34] [INFO ] [Real]Absence check using state equation in 4225 ms returned (error "Solver has unexpectedly terminated")
[2020-06-03 00:31:34] [INFO ] [Real]Absence check using 66 positive place invariants in 194 ms returned sat
[2020-06-03 00:31:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:31:39] [INFO ] [Real]Absence check using state equation in 4548 ms returned (error "Solver has unexpectedly terminated")
[2020-06-03 00:31:39] [INFO ] [Real]Absence check using 66 positive place invariants in 163 ms returned sat
[2020-06-03 00:31:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:31:44] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-03 00:31:44] [INFO ] [Real]Absence check using state equation in 4569 ms returned (error "Failed to check-sat")
Support contains 10 out of 2328 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2328/2328 places, 2701/2701 transitions.
Graph (trivial) has 2307 edges and 2328 vertex of which 1298 / 2328 are part of one of the 33 SCC in 26 ms
Free SCC test removed 1265 places
Drop transitions removed 1529 transitions
Reduce isomorphic transitions removed 1529 transitions.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 101
Iterating post reduction 0 with 1630 rules applied. Total rules applied 1631 place count 1063 transition count 1071
Reduce places removed 101 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 121 rules applied. Total rules applied 1752 place count 962 transition count 1051
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 1758 place count 956 transition count 1051
Symmetric choice reduction at 3 with 323 rule applications. Total rules 2081 place count 956 transition count 1051
Deduced a syphon composed of 323 places in 6 ms
Reduce places removed 323 places and 323 transitions.
Iterating global reduction 3 with 646 rules applied. Total rules applied 2727 place count 633 transition count 728
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 68 Pre rules applied. Total rules applied 2727 place count 633 transition count 660
Deduced a syphon composed of 68 places in 4 ms
Reduce places removed 68 places and 0 transitions.
Iterating global reduction 3 with 136 rules applied. Total rules applied 2863 place count 565 transition count 660
Symmetric choice reduction at 3 with 30 rule applications. Total rules 2893 place count 565 transition count 660
Deduced a syphon composed of 30 places in 4 ms
Reduce places removed 30 places and 30 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 2953 place count 535 transition count 630
Performed 114 Post agglomeration using F-continuation condition.Transition count delta: 114
Deduced a syphon composed of 114 places in 0 ms
Reduce places removed 114 places and 0 transitions.
Iterating global reduction 3 with 228 rules applied. Total rules applied 3181 place count 421 transition count 516
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 3184 place count 421 transition count 513
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -52
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 3194 place count 416 transition count 565
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 3197 place count 416 transition count 562
Free-agglomeration rule applied 192 times.
Iterating global reduction 5 with 192 rules applied. Total rules applied 3389 place count 416 transition count 370
Reduce places removed 192 places and 0 transitions.
Drop transitions removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Discarding 83 places :
Also discarding 27 output transitions
Drop transitions removed 27 transitions
Graph (complete) has 606 edges and 224 vertex of which 141 are kept as prefixes of interest. Removing 83 places using SCC suffix rule.6 ms
Iterating post reduction 5 with 258 rules applied. Total rules applied 3647 place count 141 transition count 278
Drop transitions removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Iterating post reduction 6 with 73 rules applied. Total rules applied 3720 place count 141 transition count 205
Symmetric choice reduction at 7 with 9 rule applications. Total rules 3729 place count 141 transition count 205
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 7 with 18 rules applied. Total rules applied 3747 place count 132 transition count 196
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 3748 place count 132 transition count 195
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 3749 place count 131 transition count 195
Applied a total of 3749 rules in 433 ms. Remains 131 /2328 variables (removed 2197) and now considering 195/2701 (removed 2506) transitions.
Finished structural reductions, in 1 iterations. Remains : 131/2328 places, 195/2701 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 1811 ms. (steps per millisecond=552 ) properties seen :[0, 1, 1]
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 859 ms. (steps per millisecond=1164 ) properties seen :[0]
[2020-06-03 00:31:47] [INFO ] Flow matrix only has 187 transitions (discarded 8 similar events)
// Phase 1: matrix 187 rows 131 cols
[2020-06-03 00:31:47] [INFO ] Computed 45 place invariants in 1 ms
[2020-06-03 00:31:47] [INFO ] [Real]Absence check using 45 positive place invariants in 17 ms returned sat
[2020-06-03 00:31:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 00:31:47] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2020-06-03 00:31:47] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 00:31:47] [INFO ] [Nat]Absence check using 45 positive place invariants in 28 ms returned sat
[2020-06-03 00:31:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 00:31:47] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2020-06-03 00:31:47] [INFO ] State equation strengthened by 98 read => feed constraints.
[2020-06-03 00:31:47] [INFO ] [Nat]Added 98 Read/Feed constraints in 22 ms returned sat
[2020-06-03 00:31:47] [INFO ] Computed and/alt/rep : 179/3068/171 causal constraints in 25 ms.
[2020-06-03 00:31:49] [INFO ] Added : 161 causal constraints over 33 iterations in 1352 ms. Result :sat
[2020-06-03 00:31:49] [INFO ] Deduced a trap composed of 3 places in 35 ms
[2020-06-03 00:31:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 104 ms
Attempting to minimize the solution found.
Minimization took 41 ms.
Finished Parikh walk after 924 steps, including 9 resets, run visited all 1 properties in 7 ms. (steps per millisecond=132 )
FORMULA NoC3x3-PT-4B-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL PARIKH_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="NoC3x3-PT-4B"
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 NoC3x3-PT-4B, 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 r174-csrt-158987853100390"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-4B.tgz
mv NoC3x3-PT-4B 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 ;