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.r113-smll-162075355600008.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is FlexibleBarrier-PT-04b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-162075355600008
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 372K
-rw-r--r-- 1 mcc users 7.3K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K 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 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Mar 28 16:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 28 16:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 23 11:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 23 11:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 22 19:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Mar 22 19:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K 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 4 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 69K 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 FlexibleBarrier-PT-04b-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620898571725

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 09:36:15] [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]
[2021-05-13 09:36:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 09:36:15] [INFO ] Load time of PNML (sax parser for PT used): 153 ms
[2021-05-13 09:36:15] [INFO ] Transformed 268 places.
[2021-05-13 09:36:15] [INFO ] Transformed 305 transitions.
[2021-05-13 09:36:15] [INFO ] Found NUPN structural information;
[2021-05-13 09:36:15] [INFO ] Parsed PT model containing 268 places and 305 transitions in 262 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 133 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 240 resets, run finished after 100 ms. (steps per millisecond=100 ) properties seen :[1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0]
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[1, 0, 0, 0, 1, 0]
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 34 ms. (steps per millisecond=294 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 36 resets, run finished after 42 ms. (steps per millisecond=238 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 35 ms. (steps per millisecond=285 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 27 ms. (steps per millisecond=370 ) properties seen :[0, 0, 0, 0]
// Phase 1: matrix 305 rows 268 cols
[2021-05-13 09:36:16] [INFO ] Computed 6 place invariants in 24 ms
[2021-05-13 09:36:16] [INFO ] [Real]Absence check using 6 positive place invariants in 53 ms returned sat
[2021-05-13 09:36:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 09:36:16] [INFO ] [Real]Absence check using state equation in 470 ms returned sat
[2021-05-13 09:36:17] [INFO ] Deduced a trap composed of 74 places in 373 ms
[2021-05-13 09:36:17] [INFO ] Deduced a trap composed of 80 places in 235 ms
[2021-05-13 09:36:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 722 ms
[2021-05-13 09:36:17] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 09:36:20] [INFO ] [Nat]Absence check using 6 positive place invariants in 2719 ms returned sat
[2021-05-13 09:36:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 09:36:20] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2021-05-13 09:36:21] [INFO ] Deduced a trap composed of 77 places in 244 ms
[2021-05-13 09:36:21] [INFO ] Deduced a trap composed of 34 places in 251 ms
[2021-05-13 09:36:21] [INFO ] Deduced a trap composed of 79 places in 248 ms
[2021-05-13 09:36:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 884 ms
[2021-05-13 09:36:21] [INFO ] Computed and/alt/rep : 304/775/304 causal constraints in 53 ms.
[2021-05-13 09:36:22] [INFO ] Added : 125 causal constraints over 25 iterations in 1027 ms. Result :(error "Failed to check-sat")
[2021-05-13 09:36:22] [INFO ] [Real]Absence check using 6 positive place invariants in 30 ms returned unsat
[2021-05-13 09:36:23] [INFO ] [Real]Absence check using 6 positive place invariants in 25 ms returned unsat
[2021-05-13 09:36:23] [INFO ] [Real]Absence check using 6 positive place invariants in 25 ms returned sat
[2021-05-13 09:36:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 09:36:23] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2021-05-13 09:36:23] [INFO ] Deduced a trap composed of 80 places in 193 ms
[2021-05-13 09:36:23] [INFO ] Deduced a trap composed of 99 places in 185 ms
[2021-05-13 09:36:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 450 ms
[2021-05-13 09:36:24] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 09:36:24] [INFO ] [Nat]Absence check using 6 positive place invariants in 143 ms returned sat
[2021-05-13 09:36:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 09:36:24] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2021-05-13 09:36:25] [INFO ] Deduced a trap composed of 99 places in 366 ms
[2021-05-13 09:36:25] [INFO ] Deduced a trap composed of 76 places in 247 ms
[2021-05-13 09:36:25] [INFO ] Deduced a trap composed of 79 places in 213 ms
[2021-05-13 09:36:25] [INFO ] Deduced a trap composed of 76 places in 169 ms
[2021-05-13 09:36:25] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1108 ms
[2021-05-13 09:36:25] [INFO ] Computed and/alt/rep : 304/775/304 causal constraints in 39 ms.
[2021-05-13 09:36:28] [INFO ] Added : 304 causal constraints over 61 iterations in 2891 ms. Result :sat
[2021-05-13 09:36:28] [INFO ] Deduced a trap composed of 50 places in 208 ms
[2021-05-13 09:36:29] [INFO ] Deduced a trap composed of 16 places in 70 ms
[2021-05-13 09:36:29] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-13 09:36:29] [INFO ] Deduced a trap composed of 14 places in 322 ms
[2021-05-13 09:36:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (> (+ s0 s203 s256 s257 s258 s259 s260 s261 s262 s263 s264 s265 s266 s267) 0)") while checking expression at index 3
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 8 out of 268 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 268/268 places, 305/305 transitions.
Graph (trivial) has 216 edges and 268 vertex of which 26 / 268 are part of one of the 4 SCC in 24 ms
Free SCC test removed 22 places
Drop transitions removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Iterating post reduction 0 with 87 rules applied. Total rules applied 88 place count 246 transition count 218
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 148 place count 186 transition count 218
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 24 Pre rules applied. Total rules applied 148 place count 186 transition count 194
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 196 place count 162 transition count 194
Symmetric choice reduction at 2 with 67 rule applications. Total rules 263 place count 162 transition count 194
Deduced a syphon composed of 67 places in 1 ms
Reduce places removed 67 places and 67 transitions.
Iterating global reduction 2 with 134 rules applied. Total rules applied 397 place count 95 transition count 127
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 397 place count 95 transition count 123
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 405 place count 91 transition count 123
Symmetric choice reduction at 2 with 9 rule applications. Total rules 414 place count 91 transition count 123
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 432 place count 82 transition count 114
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 439 place count 82 transition count 107
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 473 place count 65 transition count 90
Free-agglomeration rule applied 18 times.
Iterating global reduction 3 with 18 rules applied. Total rules applied 491 place count 65 transition count 72
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 509 place count 47 transition count 72
Symmetric choice reduction at 4 with 1 rule applications. Total rules 510 place count 47 transition count 72
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 512 place count 46 transition count 71
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 513 place count 46 transition count 70
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 514 place count 46 transition count 70
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 515 place count 46 transition count 69
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 516 place count 45 transition count 68
Applied a total of 516 rules in 162 ms. Remains 45 /268 variables (removed 223) and now considering 68/305 (removed 237) transitions.
Finished structural reductions, in 1 iterations. Remains : 45/268 places, 68/305 transitions.
Incomplete random walk after 1000000 steps, including 20360 resets, run finished after 1113 ms. (steps per millisecond=898 ) properties seen :[0, 1]
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 123261 steps, including 634 resets, run visited all 1 properties in 63 ms. (steps per millisecond=1956 )
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_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-04b"
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 FlexibleBarrier-PT-04b, 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 r113-smll-162075355600008"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b 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 ;