Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r151-tall-162089151100120.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-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 gold2020
Input is NoC3x3-PT-1B, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r151-tall-162089151100120
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 744K
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 123K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 101K May 10 09:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.0K Mar 28 16:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 28 16:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 16:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 27 06:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 27 06:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 25 07:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 25 07:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 22 09:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 362K May 5 16:51 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-1B-ReachabilityFireability-00
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-01
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-02
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-03
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-04
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-05
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-06
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-07
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-08
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-09
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-10
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-11
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-12
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-13
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-14
FORMULA_NAME NoC3x3-PT-1B-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620991540520

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-14 11:25:42] [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]
[2021-05-14 11:25:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-14 11:25:42] [INFO ] Load time of PNML (sax parser for PT used): 104 ms
[2021-05-14 11:25:42] [INFO ] Transformed 1416 places.
[2021-05-14 11:25:42] [INFO ] Transformed 1640 transitions.
[2021-05-14 11:25:42] [INFO ] Found NUPN structural information;
[2021-05-14 11:25:42] [INFO ] Parsed PT model containing 1416 places and 1640 transitions in 154 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 52 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 7 resets, run finished after 81 ms. (steps per millisecond=123 ) properties seen :[1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1]
FORMULA NoC3x3-PT-1B-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 1, 0, 0]
FORMULA NoC3x3-PT-1B-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 1, 0, 0, 0, 0, 0]
FORMULA NoC3x3-PT-1B-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 1 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 1, 0, 0]
FORMULA NoC3x3-PT-1B-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 1 resets, run finished after 19 ms. (steps per millisecond=526 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 1 resets, run finished after 13 ms. (steps per millisecond=769 ) properties seen :[0, 0, 0, 0, 0]
// Phase 1: matrix 1640 rows 1416 cols
[2021-05-14 11:25:42] [INFO ] Computed 40 place invariants in 39 ms
[2021-05-14 11:25:43] [INFO ] [Real]Absence check using 40 positive place invariants in 82 ms returned sat
[2021-05-14 11:25:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-14 11:25:46] [INFO ] [Real]Absence check using state equation in 3626 ms returned sat
[2021-05-14 11:25:47] [INFO ] Deduced a trap composed of 91 places in 203 ms
[2021-05-14 11:25:47] [INFO ] Deduced a trap composed of 84 places in 132 ms
[2021-05-14 11:25:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 508 ms
[2021-05-14 11:25:47] [INFO ] Solution in real domain found non-integer solution.
[2021-05-14 11:25:52] [INFO ] [Nat]Absence check using 40 positive place invariants in 4825 ms returned (error "Solver has unexpectedly terminated")
[2021-05-14 11:25:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-14 11:25:52] [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
[2021-05-14 11:25:52] [INFO ] [Real]Absence check using 40 positive place invariants in 115 ms returned unsat
[2021-05-14 11:25:53] [INFO ] [Real]Absence check using 40 positive place invariants in 67 ms returned sat
[2021-05-14 11:25:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-14 11:25:56] [INFO ] [Real]Absence check using state equation in 3540 ms returned sat
[2021-05-14 11:25:57] [INFO ] Deduced a trap composed of 77 places in 143 ms
[2021-05-14 11:25:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 273 ms
[2021-05-14 11:25:57] [INFO ] Solution in real domain found non-integer solution.
[2021-05-14 11:26:02] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-14 11:26:02] [INFO ] [Nat]Absence check using 40 positive place invariants in 4698 ms returned (error "Failed to check-sat")
[2021-05-14 11:26:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-14 11:26:02] [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
[2021-05-14 11:26:02] [INFO ] [Real]Absence check using 40 positive place invariants in 44 ms returned unsat
[2021-05-14 11:26:02] [INFO ] [Real]Absence check using 40 positive place invariants in 66 ms returned sat
[2021-05-14 11:26:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-14 11:26:06] [INFO ] [Real]Absence check using state equation in 3534 ms returned sat
[2021-05-14 11:26:06] [INFO ] Computed and/alt/rep : 1639/2475/1639 causal constraints in 74 ms.
[2021-05-14 11:26:06] [INFO ] Solution in real domain found non-integer solution.
[2021-05-14 11:26:11] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-14 11:26:11] [INFO ] [Nat]Absence check using 40 positive place invariants in 4834 ms returned unknown
FORMULA NoC3x3-PT-1B-ReachabilityFireability-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-1B-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 9 out of 1416 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 1416/1416 places, 1640/1640 transitions.
Graph (trivial) has 1426 edges and 1416 vertex of which 886 / 1416 are part of one of the 20 SCC in 170 ms
Free SCC test removed 866 places
Drop transitions removed 1045 transitions
Reduce isomorphic transitions removed 1045 transitions.
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Iterating post reduction 0 with 1087 rules applied. Total rules applied 1088 place count 550 transition count 553
Reduce places removed 42 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 46 rules applied. Total rules applied 1134 place count 508 transition count 549
Symmetric choice reduction at 2 with 165 rule applications. Total rules 1299 place count 508 transition count 549
Deduced a syphon composed of 165 places in 2 ms
Reduce places removed 165 places and 165 transitions.
Iterating global reduction 2 with 330 rules applied. Total rules applied 1629 place count 343 transition count 384
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 33 Pre rules applied. Total rules applied 1629 place count 343 transition count 351
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 2 with 66 rules applied. Total rules applied 1695 place count 310 transition count 351
Symmetric choice reduction at 2 with 15 rule applications. Total rules 1710 place count 310 transition count 351
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 15 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 1740 place count 295 transition count 336
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: 65
Deduced a syphon composed of 65 places in 1 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 1870 place count 230 transition count 271
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1871 place count 230 transition count 270
Performed 3 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 1877 place count 227 transition count 296
Free-agglomeration rule applied 101 times.
Iterating global reduction 3 with 101 rules applied. Total rules applied 1978 place count 227 transition count 195
Reduce places removed 101 places and 0 transitions.
Drop transitions removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Discarding 52 places :
Also discarding 21 output transitions
Drop transitions removed 21 transitions
Graph (complete) has 337 edges and 126 vertex of which 74 are kept as prefixes of interest. Removing 52 places using SCC suffix rule.5 ms
Iterating post reduction 3 with 135 rules applied. Total rules applied 2113 place count 74 transition count 141
Drop transitions removed 47 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 4 with 53 rules applied. Total rules applied 2166 place count 74 transition count 88
Symmetric choice reduction at 5 with 4 rule applications. Total rules 2170 place count 74 transition count 88
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 6 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 2178 place count 70 transition count 82
Applied a total of 2178 rules in 353 ms. Remains 70 /1416 variables (removed 1346) and now considering 82/1640 (removed 1558) transitions.
Finished structural reductions, in 1 iterations. Remains : 70/1416 places, 82/1640 transitions.
Incomplete random walk after 1000000 steps, including 0 resets, run finished after 2315 ms. (steps per millisecond=431 ) properties seen :[1, 0, 1]
FORMULA NoC3x3-PT-1B-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-1B-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 0 resets, run finished after 708 ms. (steps per millisecond=1412 ) properties seen :[0]
// Phase 1: matrix 82 rows 70 cols
[2021-05-14 11:26:15] [INFO ] Computed 26 place invariants in 0 ms
[2021-05-14 11:26:15] [INFO ] [Real]Absence check using 26 positive place invariants in 8 ms returned sat
[2021-05-14 11:26:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-14 11:26:15] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2021-05-14 11:26:15] [INFO ] Solution in real domain found non-integer solution.
[2021-05-14 11:26:15] [INFO ] [Nat]Absence check using 26 positive place invariants in 18 ms returned sat
[2021-05-14 11:26:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-14 11:26:15] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2021-05-14 11:26:15] [INFO ] State equation strengthened by 45 read => feed constraints.
[2021-05-14 11:26:15] [INFO ] [Nat]Added 45 Read/Feed constraints in 4 ms returned sat
[2021-05-14 11:26:15] [INFO ] Computed and/alt/rep : 80/340/80 causal constraints in 20 ms.
[2021-05-14 11:26:15] [INFO ] Added : 70 causal constraints over 14 iterations in 190 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 9 ms.
Finished Parikh walk after 967 steps, including 18 resets, run visited all 1 properties in 6 ms. (steps per millisecond=161 )
FORMULA NoC3x3-PT-1B-ReachabilityFireability-09 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-1B"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 gold2020"
echo " Input is NoC3x3-PT-1B, 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 r151-tall-162089151100120"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-1B.tgz
mv NoC3x3-PT-1B 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 ;