fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r113-smll-162075355600060
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for FlexibleBarrier-PT-18a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
269.415 3600000.00 22370.00 360.00 TFTTTTTFTTTFTFTT normal

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-162075355600060.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)
...........................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is FlexibleBarrier-PT-18a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r113-smll-162075355600060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 8.5K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 10 09:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K 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 16:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 28 16:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 23 11:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 15K Mar 23 11:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 22 19:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 22 19:42 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 265K 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-18a-ReachabilityFireability-00
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-01
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-02
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-03
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-04
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-05
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-06
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-07
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-08
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-09
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-10
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-11
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-12
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-13
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-14
FORMULA_NAME FlexibleBarrier-PT-18a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620928183429

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-13 17:49:46] [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 17:49:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-13 17:49:46] [INFO ] Load time of PNML (sax parser for PT used): 223 ms
[2021-05-13 17:49:46] [INFO ] Transformed 219 places.
[2021-05-13 17:49:46] [INFO ] Transformed 886 transitions.
[2021-05-13 17:49:46] [INFO ] Found NUPN structural information;
[2021-05-13 17:49:46] [INFO ] Parsed PT model containing 219 places and 886 transitions in 327 ms.
Ensure Unique test removed 290 transitions
Reduce redundant transitions removed 290 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 64 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 0 resets, run finished after 140 ms. (steps per millisecond=71 ) properties seen :[0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[1, 0, 0, 0, 0, 0, 0, 1, 0]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 23 ms. (steps per millisecond=434 ) properties seen :[0, 1, 0, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 1, 0, 0, 0, 0]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties seen :[0, 0, 1, 0, 0]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 14 ms. (steps per millisecond=714 ) properties seen :[0, 0, 0, 1]
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2021-05-13 17:49:47] [INFO ] Flow matrix only has 578 transitions (discarded 18 similar events)
// Phase 1: matrix 578 rows 219 cols
[2021-05-13 17:49:47] [INFO ] Computed 20 place invariants in 23 ms
[2021-05-13 17:49:47] [INFO ] [Real]Absence check using 20 positive place invariants in 38 ms returned unsat
[2021-05-13 17:49:47] [INFO ] [Real]Absence check using 20 positive place invariants in 19 ms returned sat
[2021-05-13 17:49:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-13 17:49:48] [INFO ] [Real]Absence check using state equation in 345 ms returned sat
[2021-05-13 17:49:48] [INFO ] State equation strengthened by 415 read => feed constraints.
[2021-05-13 17:49:48] [INFO ] [Real]Added 415 Read/Feed constraints in 47 ms returned sat
[2021-05-13 17:49:48] [INFO ] Computed and/alt/rep : 595/12082/577 causal constraints in 102 ms.
[2021-05-13 17:49:48] [INFO ] Solution in real domain found non-integer solution.
[2021-05-13 17:49:48] [INFO ] [Nat]Absence check using 20 positive place invariants in 31 ms returned sat
[2021-05-13 17:49:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-13 17:49:49] [INFO ] [Nat]Absence check using state equation in 534 ms returned sat
[2021-05-13 17:49:49] [INFO ] [Nat]Added 415 Read/Feed constraints in 49 ms returned sat
[2021-05-13 17:49:49] [INFO ] Computed and/alt/rep : 595/12082/577 causal constraints in 86 ms.
[2021-05-13 17:49:53] [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 (=> (> t312 0) (and (or (and (> t0 0) (< o0 o312)) (and (> t102 0) (< o102 o312)) (and (> t446 0) (< o446 o312)) (and (> t447 0) (< o447 o312)) (and (> t448 0) (< o448 o312)) (and (> t449 0) (< o449 o312)) (and (> t450 0) (< o450 o312)) (and (> t451 0) (< o451 o312)) (and (> t452 0) (< o452 o312)) (and (> t453 0) (< o453 o312)) (and (> t454 0) (< o454 o312)) (and (> t455 0) (< o455 o312)) (and (> t456 0) (< o456 o312)) (and (> t457 0) (< o457 o312)) (and (> t458 0) (< o458 o312)) (and (> t459 0) (< o459 o312)) (and (> t460 0) (< o460 o312)) (and (> t461 0) (< o461 o312)) (and (> t555 0) (< o555 o312))) (or (and (> t32 0) (< o32 o312)) (and (> t255 0) (< o255 o312)) (and (> t271 0) (< o271 o312)) (and (> t287 0) (< o287 o312)) (and (> t320 0) (< o320 o312)) (and (> t336 0) (< o336 o312)) (and (> t352 0) (< o352 o312)) (and (> t368 0) (< o368 o312)) (and (> t384 0) (< o384 o312)) (and (> t400 0) (< o400 o312)) (and (> t416 0) (< o416 o312)) (and (> t432 0) (< o432 o312)) (and (> t448 0) (< o448 o312)) (and (> t464 0) (< o464 o312)) (and (> t480 0) (< o480 o312)) (and (> t496 0) (< o496 o312)) (and (> t512 0) (< o512 o312)) (and (> t528 0) (< o528 o312))) (and (> t0 0) (< o0 o312))))") while checking expression at index 1
[2021-05-13 17:49:53] [INFO ] [Real]Absence check using 20 positive place invariants in 25 ms returned unsat
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Support contains 11 out of 219 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 219/219 places, 596/596 transitions.
Graph (trivial) has 155 edges and 219 vertex of which 27 / 219 are part of one of the 9 SCC in 14 ms
Free SCC test removed 18 places
Drop transitions removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Iterating post reduction 0 with 100 rules applied. Total rules applied 101 place count 201 transition count 496
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 1 with 96 rules applied. Total rules applied 197 place count 153 transition count 448
Drop transitions removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 214 place count 153 transition count 431
Symmetric choice reduction at 2 with 17 rule applications. Total rules 231 place count 153 transition count 431
Deduced a syphon composed of 17 places in 2 ms
Reduce places removed 17 places and 17 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 265 place count 136 transition count 414
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
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 273 place count 132 transition count 414
Free-agglomeration rule applied 14 times.
Iterating global reduction 2 with 14 rules applied. Total rules applied 287 place count 132 transition count 400
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 301 place count 118 transition count 400
Partial Free-agglomeration rule applied 18 times.
Drop transitions removed 18 transitions
Iterating global reduction 3 with 18 rules applied. Total rules applied 319 place count 118 transition count 400
Drop transitions removed 166 transitions
Redundant transition composition rules discarded 166 transitions
Iterating global reduction 3 with 166 rules applied. Total rules applied 485 place count 118 transition count 234
Discarding 45 places :
Also discarding 0 output transitions
Graph (complete) has 440 edges and 118 vertex of which 73 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.23 ms
Iterating post reduction 3 with 1 rules applied. Total rules applied 486 place count 73 transition count 234
Drop transitions removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 4 with 63 rules applied. Total rules applied 549 place count 73 transition count 171
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 554 place count 73 transition count 166
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 559 place count 68 transition count 166
Applied a total of 559 rules in 274 ms. Remains 68 /219 variables (removed 151) and now considering 166/596 (removed 430) transitions.
Finished structural reductions, in 1 iterations. Remains : 68/219 places, 166/596 transitions.
Finished random walk after 134155 steps, including 0 resets, run visited all 1 properties in 403 ms. (steps per millisecond=332 )
FORMULA FlexibleBarrier-PT-18a-ReachabilityFireability-06 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-18a"
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-18a, 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-162075355600060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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