Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r072-tajo-158922828100086.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-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 itstools
Input is DNAwalker-PT-08ringLL, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tajo-158922828100086
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 288K
-rw-r--r-- 1 mcc users 4.0K Mar 31 04:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 31 04:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 29 20:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 29 20:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Apr 8 14:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Apr 8 14:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 28 13:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 28 13:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 27 06:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 27 06:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 112K 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

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1589583465170

[2020-05-15 22:57:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2020-05-15 22:57:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-05-15 22:57:46] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2020-05-15 22:57:46] [INFO ] Transformed 27 places.
[2020-05-15 22:57:46] [INFO ] Transformed 260 transitions.
[2020-05-15 22:57:46] [INFO ] Parsed PT model containing 27 places and 260 transitions in 95 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 9 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 3 ms.19995KB memory used
Starting structural reductions, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 20 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2020-05-15 22:57:46] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:57:46] [INFO ] Computed 0 place invariants in 5 ms
[2020-05-15 22:57:47] [INFO ] Dead Transitions using invariants and state equation in 261 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 260/260 transitions.
Starting structural reductions, iteration 0 : 27/27 places, 260/260 transitions.
Applied a total of 0 rules in 18 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2020-05-15 22:57:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:57:47] [INFO ] Computed 0 place invariants in 10 ms
[2020-05-15 22:57:47] [INFO ] Implicit Places using invariants in 59 ms returned []
[2020-05-15 22:57:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:57:47] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-15 22:57:47] [INFO ] State equation strengthened by 72 read => feed constraints.
[2020-05-15 22:57:47] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 288 ms to find 0 implicit places.
[2020-05-15 22:57:47] [INFO ] Redundant transitions in 18 ms returned []
[2020-05-15 22:57:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:57:47] [INFO ] Computed 0 place invariants in 1 ms
[2020-05-15 22:57:47] [INFO ] Dead Transitions using invariants and state equation in 132 ms returned []
Finished structural reductions, in 1 iterations. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101209 resets, run took 4074 ms (no deadlock found). (steps per millisecond=306 )
Random directed walk for 1250007 steps, including 23121 resets, run took 2585 ms (no deadlock found). (steps per millisecond=483 )
[2020-05-15 22:57:54] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:57:54] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-15 22:57:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-05-15 22:57:54] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2020-05-15 22:57:54] [INFO ] Solution in real domain found non-integer solution.
[2020-05-15 22:57:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-05-15 22:57:54] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2020-05-15 22:57:54] [INFO ] State equation strengthened by 72 read => feed constraints.
[2020-05-15 22:57:54] [INFO ] [Nat]Added 72 Read/Feed constraints in 226 ms returned sat
[2020-05-15 22:57:54] [INFO ] Computed and/alt/rep : 234/3672/233 causal constraints in 42 ms.
[2020-05-15 22:57:55] [INFO ] Added : 21 causal constraints over 5 iterations in 192 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 10 ms.
Parikh directed walk for 2500 steps, including 156 resets, run took 17 ms. (steps per millisecond=147 )
Random directed walk for 500009 steps, including 9197 resets, run took 1234 ms (no deadlock found). (steps per millisecond=405 )
Random walk for 500000 steps, including 40483 resets, run took 1689 ms (no deadlock found). (steps per millisecond=296 )
Random directed walk for 500024 steps, including 9248 resets, run took 1146 ms (no deadlock found). (steps per millisecond=436 )
Random walk for 500000 steps, including 40431 resets, run took 1660 ms (no deadlock found). (steps per millisecond=301 )
[2020-05-15 22:58:01] [INFO ] Flatten gal took : 52 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
[2020-05-15 22:58:01] [INFO ] Applying decomposition
[2020-05-15 22:58:01] [INFO ] Flatten gal took : 19 ms
[2020-05-15 22:58:01] [INFO ] Input system was already deterministic with 260 transitions.
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/convert-linux64, -i, /tmp/graph11462115575305414293.txt, -o, /tmp/graph11462115575305414293.bin, -w, /tmp/graph11462115575305414293.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202005100927/bin/louvain-linux64, /tmp/graph11462115575305414293.bin, -l, -1, -v, -w, /tmp/graph11462115575305414293.weights, -q, 0, -e, 0.001], workingDir=null]
[2020-05-15 22:58:01] [INFO ] Decomposing Gal with order
[2020-05-15 22:58:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2020-05-15 22:58:01] [INFO ] Removed a total of 452 redundant transitions.
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
Normalized transition count is 259 out of 260 initially.
// Phase 1: matrix 259 rows 27 cols
[2020-05-15 22:58:01] [INFO ] Computed 0 place invariants in 1 ms
Total of 0 invariants.
[2020-05-15 22:58:01] [INFO ] Computed 0 place invariants in 2 ms
[2020-05-15 22:58:01] [INFO ] Flatten gal took : 66 ms
[2020-05-15 22:58:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2020-05-15 22:58:01] [INFO ] Time to serialize gal into /home/mcc/execution/ReachabilityDeadlock.pnml.gal : 3 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityDeadlock.pnml.gal, -t, CGAL, -ctl, DEADLOCK], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202005100927/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityDeadlock.pnml.gal -t CGAL -ctl DEADLOCK
No direction supplied, using forward translation only.
built 135 ordering constraints for composite.
[2020-05-15 22:58:01] [INFO ] Proved 27 variables to be positive in 108 ms
[2020-05-15 22:58:01] [INFO ] Computing symmetric may disable matrix : 260 transitions.
[2020-05-15 22:58:01] [INFO ] Computation of disable matrix completed :0/260 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2020-05-15 22:58:01] [INFO ] Computation of Complete disable matrix. took 22 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2020-05-15 22:58:01] [INFO ] Computing symmetric may enable matrix : 260 transitions.
[2020-05-15 22:58:01] [INFO ] Computation of Complete enable matrix. took 36 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2020-05-15 22:58:01] [INFO ] Computing symmetric co enabling matrix : 260 transitions.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.79507e+07,0.255654,15308,1088,9,21592,169,315,35576,14,165,0


Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
dead,0,0.343734,15308,1,0,21592,169,1112,35576,51,204,29725

System contains 0 deadlocks (shown below if less than --print-limit option) !
FORMULA ReachabilityDeadlock FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
[ 0 ]
SMT solver raised 'unknown', retrying with same input.
SMT solver raised 'unknown' twice, overapproximating result to 1.
[2020-05-15 22:58:01] [INFO ] Computation of Finished co-enabling matrix. took 276 ms. Total solver calls (SAT/UNSAT): 140(140/0)
Skipping mayMatrices nes/nds SMT solver raised an error on invariants :(error "Failed to assert expression: java.io.IOException: Stream closed (invariants (select s 2))")
java.lang.RuntimeException: SMT solver raised an error on invariants :(error "Failed to assert expression: java.io.IOException: Stream closed (invariants (select s 2))")
at fr.lip6.move.gal.gal2smt.bmc.KInductionSolver.addKnownInvariants(KInductionSolver.java:460)
at fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver.computeDoNotAccord(NecessaryEnablingsolver.java:574)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printLabels(Gal2PinsTransformerNext.java:538)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.printDependencyMatrix(Gal2PinsTransformerNext.java:209)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.buildBodyFile(Gal2PinsTransformerNext.java:85)
at fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext.transform(Gal2PinsTransformerNext.java:831)
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:73)
at java.base/java.lang.Thread.run(Thread.java:834)
[2020-05-15 22:58:01] [INFO ] Built C files in 697ms conformant to PINS in folder :/home/mcc/execution
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.

BK_STOP 1589583482092

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="DNAwalker-PT-08ringLL"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 itstools"
echo " Input is DNAwalker-PT-08ringLL, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tajo-158922828100086"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;