Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r281-smll-167863551100359.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-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 2-5348
Executing tool smartxred
Input is Peterson-COL-4, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r281-smll-167863551100359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 7.5K Feb 25 22:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 25 22:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 22:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 22:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Feb 25 22:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 182K Feb 25 22:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 25 22:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Feb 25 22:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 44K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1678923074311

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=smartxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-4
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-15 23:31:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-15 23:31:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 23:31:17] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-15 23:31:18] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-15 23:31:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 987 ms
[2023-03-15 23:31:18] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 500 PT places and 795.0 transition bindings in 26 ms.
[2023-03-15 23:31:18] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 4 ms.
[2023-03-15 23:31:18] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-03-15 23:31:19] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 49 ms.
[2023-03-15 23:31:19] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-03-15 23:31:19] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 15 ms.
[2023-03-15 23:31:19] [INFO ] Unfolded 14 HLPN properties in 0 ms.
[2023-03-15 23:31:19] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 0 ms.
[2023-03-15 23:31:19] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [Process(5), Tour(4), Process(5)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 4)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-15 23:31:19] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 17 ms.
[2023-03-15 23:31:19] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Deduced a syphon composed of 20 places in 6 ms
Reduce places removed 20 places and 40 transitions.
Built sparse matrix representations for Structural reductions in 5 ms.30619KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 480/480 places, 690/690 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 56 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 56 ms. Remains : 480/480 places, 690/690 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 480/480 places, 690/690 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 27 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2023-03-15 23:31:19] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2023-03-15 23:31:19] [INFO ] Computed 19 place invariants in 35 ms
[2023-03-15 23:31:19] [INFO ] Implicit Places using invariants in 513 ms returned []
[2023-03-15 23:31:19] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2023-03-15 23:31:19] [INFO ] Invariant cache hit.
[2023-03-15 23:31:20] [INFO ] State equation strengthened by 116 read => feed constraints.
[2023-03-15 23:31:20] [INFO ] Implicit Places using invariants and state equation in 689 ms returned []
Implicit Place search using SMT with State Equation took 1241 ms to find 0 implicit places.
[2023-03-15 23:31:20] [INFO ] Redundant transitions in 69 ms returned []
[2023-03-15 23:31:20] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2023-03-15 23:31:20] [INFO ] Invariant cache hit.
[2023-03-15 23:31:21] [INFO ] Dead Transitions using invariants and state equation in 1076 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2425 ms. Remains : 480/480 places, 690/690 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2242 ms (no deadlock found). (steps per millisecond=557 )
Random directed walk for 1250002 steps, including 0 resets, run took 2162 ms (no deadlock found). (steps per millisecond=578 )
[2023-03-15 23:31:26] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2023-03-15 23:31:26] [INFO ] Invariant cache hit.
[2023-03-15 23:31:26] [INFO ] [Real]Absence check using 14 positive place invariants in 28 ms returned sat
[2023-03-15 23:31:26] [INFO ] [Real]Absence check using 14 positive and 5 generalized place invariants in 15 ms returned unsat
[2023-03-15 23:31:26] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 34 ms.
[2023-03-15 23:31:26] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 20 places in 3 ms
Reduce places removed 20 places and 40 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 13) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 23:31:26] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2023-03-15 23:31:26] [INFO ] Invariant cache hit.
[2023-03-15 23:31:26] [INFO ] [Real]Absence check using 14 positive place invariants in 28 ms returned sat
[2023-03-15 23:31:26] [INFO ] [Real]Absence check using 14 positive and 5 generalized place invariants in 12 ms returned sat
[2023-03-15 23:31:27] [INFO ] After 260ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 23:31:27] [INFO ] [Nat]Absence check using 14 positive place invariants in 32 ms returned sat
[2023-03-15 23:31:27] [INFO ] [Nat]Absence check using 14 positive and 5 generalized place invariants in 11 ms returned sat
[2023-03-15 23:31:27] [INFO ] After 454ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 23:31:27] [INFO ] State equation strengthened by 116 read => feed constraints.
[2023-03-15 23:31:27] [INFO ] After 108ms SMT Verify possible using 116 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 23:31:28] [INFO ] Deduced a trap composed of 25 places in 250 ms of which 9 ms to minimize.
[2023-03-15 23:31:28] [INFO ] Deduced a trap composed of 49 places in 271 ms of which 1 ms to minimize.
[2023-03-15 23:31:28] [INFO ] Deduced a trap composed of 86 places in 258 ms of which 2 ms to minimize.
[2023-03-15 23:31:29] [INFO ] Deduced a trap composed of 50 places in 249 ms of which 2 ms to minimize.
[2023-03-15 23:31:29] [INFO ] Deduced a trap composed of 44 places in 277 ms of which 3 ms to minimize.
[2023-03-15 23:31:29] [INFO ] Deduced a trap composed of 25 places in 363 ms of which 1 ms to minimize.
[2023-03-15 23:31:30] [INFO ] Deduced a trap composed of 69 places in 326 ms of which 1 ms to minimize.
[2023-03-15 23:31:30] [INFO ] Deduced a trap composed of 73 places in 261 ms of which 2 ms to minimize.
[2023-03-15 23:31:30] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 2720 ms
[2023-03-15 23:31:30] [INFO ] After 2873ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 53 ms.
[2023-03-15 23:31:30] [INFO ] After 3641ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 59 ms.
Support contains 20 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 480 transition count 498
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 1 with 192 rules applied. Total rules applied 384 place count 288 transition count 498
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 104 Pre rules applied. Total rules applied 384 place count 288 transition count 394
Deduced a syphon composed of 104 places in 1 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 2 with 208 rules applied. Total rules applied 592 place count 184 transition count 394
Applied a total of 592 rules in 90 ms. Remains 184 /480 variables (removed 296) and now considering 394/690 (removed 296) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 184/480 places, 394/690 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 2655 ms. (steps per millisecond=376 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1060 ms. (steps per millisecond=943 ) properties (out of 1) seen :0
Finished probabilistic random walk after 46 steps, run visited all 1 properties in 8 ms. (steps per millisecond=5 )
Probabilistic random walk after 46 steps, saw 41 distinct states, run finished after 8 ms. (steps per millisecond=5 ) properties seen :1
Able to resolve query QuasiLiveness after proving 14 properties.
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 40 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 16806 ms.
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Peterson (COL), instance 4
Examination Liveness
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Liveness.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

PNML FILE: model.pnml
Petri model created: 11 places, 14 transitions, 42 arcs.
(potential((tk(P1)>=1) & (tk(P2)>=1)))
(potential((tk(P3)>=1) & (tk(P4)>=1)))
(potential((tk(P4)>=1) & (tk(P5)>=1)))
(potential((tk(P4)>=1) & (tk(P5)>=1)))
(potential((tk(P7)>=1)))
(potential((tk(P7)>=1)))
(potential((tk(P2)>=1) & (tk(P8)>=1)))
(potential((tk(P6)>=1)))
(potential((tk(P9)>=1)))
(potential((tk(P9)>=1)))
(potential((tk(P11)>=1)))
(potential((tk(P10)>=1) & (tk(P2)>=1)))
(potential((tk(P10)>=1) & (tk(P2)>=1)))
(potential((tk(P11)>=1)))
FORMULA Liveness FALSE TECHNIQUES IMPLICIT_RELATION DECISION_DIAGRAMS SATURATION

BK_STOP 1678923096806

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML
WARNING:
No initial marking given, assuming zero
within model automodel built in file model.sm near line 86

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="Peterson-COL-4"
export BK_EXAMINATION="Liveness"
export BK_TOOL="smartxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5348"
echo " Executing tool smartxred"
echo " Input is Peterson-COL-4, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r281-smll-167863551100359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-4.tgz
mv Peterson-COL-4 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;