Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r035-smll-171620175700182.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool itstools
Input is AutonomousCar-PT-05b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r035-smll-171620175700182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 22 14:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Apr 12 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Apr 12 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 159K May 18 16:42 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1716218295111

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-20 15:18:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-20 15:18:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-20 15:18:17] [INFO ] Load time of PNML (sax parser for PT used): 167 ms
[2024-05-20 15:18:17] [INFO ] Transformed 255 places.
[2024-05-20 15:18:17] [INFO ] Transformed 490 transitions.
[2024-05-20 15:18:17] [INFO ] Found NUPN structural information;
[2024-05-20 15:18:17] [INFO ] Parsed PT model containing 255 places and 490 transitions and 2527 arcs in 344 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 255/255 places, 490/490 transitions.
Graph (trivial) has 244 edges and 255 vertex of which 4 / 255 are part of one of the 2 SCC in 6 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 118 rules applied. Total rules applied 119 place count 253 transition count 370
Reduce places removed 118 places and 0 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 150 rules applied. Total rules applied 269 place count 135 transition count 338
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 287 place count 117 transition count 338
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 287 place count 117 transition count 333
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 297 place count 112 transition count 333
Performed 56 Post agglomeration using F-continuation condition with reduction of 101 identical transitions.
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 409 place count 56 transition count 176
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 411 place count 55 transition count 176
Applied a total of 411 rules in 130 ms. Remains 55 /255 variables (removed 200) and now considering 176/490 (removed 314) transitions.
[2024-05-20 15:18:17] [INFO ] Flow matrix only has 175 transitions (discarded 1 similar events)
// Phase 1: matrix 175 rows 55 cols
[2024-05-20 15:18:17] [INFO ] Computed 10 invariants in 19 ms
[2024-05-20 15:18:18] [INFO ] Implicit Places using invariants in 458 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 567 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 54/255 places, 176/490 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 176/176 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 731 ms. Remains : 54/255 places, 176/490 transitions.
Discarding 30 transitions out of 176. Remains 146
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (3295 resets) in 2691 ms. (14 steps per ms) remains 20/145 properties
[2024-05-20 15:18:19] [INFO ] Flatten gal took : 208 ms
BEST_FIRST walk for 4003 steps (35 resets) in 91 ms. (43 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (34 resets) in 52 ms. (75 steps per ms) remains 20/20 properties
[2024-05-20 15:18:19] [INFO ] Flatten gal took : 68 ms
BEST_FIRST walk for 4004 steps (26 resets) in 52 ms. (75 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (34 resets) in 21 ms. (182 steps per ms) remains 20/20 properties
[2024-05-20 15:18:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16409644061732136840.gal : 24 ms
BEST_FIRST walk for 4003 steps (35 resets) in 39 ms. (100 steps per ms) remains 20/20 properties
[2024-05-20 15:18:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14238750576764291841.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16409644061732136840.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14238750576764291841.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4003 steps (27 resets) in 38 ms. (102 steps per ms) remains 19/20 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 4003 steps (27 resets) in 45 ms. (87 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (37 resets) in 32 ms. (121 steps per ms) remains 19/19 properties
Loading property file /tmp/ReachabilityCardinality14238750576764291841.prop.
BEST_FIRST walk for 4004 steps (35 resets) in 47 ms. (83 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4004 steps (28 resets) in 17 ms. (222 steps per ms) remains 16/17 properties
SDD proceeding with computation,20 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,20 properties remain. new max is 8
SDD size :8 after 10
SDD proceeding with computation,20 properties remain. new max is 16
SDD size :10 after 56
SDD proceeding with computation,20 properties remain. new max is 32
SDD size :56 after 354
BEST_FIRST walk for 4004 steps (37 resets) in 23 ms. (166 steps per ms) remains 16/16 properties
SDD proceeding with computation,20 properties remain. new max is 64
SDD size :354 after 14538
BEST_FIRST walk for 4004 steps (25 resets) in 25 ms. (154 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (33 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (34 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (34 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
SDD proceeding with computation,20 properties remain. new max is 128
SDD size :14538 after 17255
BEST_FIRST walk for 4003 steps (29 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (26 resets) in 17 ms. (222 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (39 resets) in 27 ms. (143 steps per ms) remains 15/15 properties
Reachability property qltransition_126 is true.
Reachability property qltransition_116 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_105 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_86 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_71 is true.
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :17255 after 23634
[2024-05-20 15:18:19] [INFO ] Flow matrix only has 175 transitions (discarded 1 similar events)
// Phase 1: matrix 175 rows 54 cols
[2024-05-20 15:18:19] [INFO ] Computed 9 invariants in 9 ms
[2024-05-20 15:18:19] [INFO ] State equation strengthened by 2 read => feed constraints.
Reachability property qltransition_145 is true.
Reachability property qltransition_136 is true.
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :23634 after 51818
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 11/11 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/11 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 29/40 variables, 7/18 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 29/47 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/47 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 14/54 variables, 2/49 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 14/63 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/63 constraints. Problems are: Problem set: 3 solved, 6 unsolved
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :51818 after 78208
Problem qltransition_171 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 644ms, After SMT, problems are : Problem set: 3 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 54 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 54/54 places, 176/176 transitions.
Graph (complete) has 387 edges and 54 vertex of which 52 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 11 place count 42 transition count 127
Iterating global reduction 0 with 10 rules applied. Total rules applied 21 place count 42 transition count 127
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 25 place count 42 transition count 123
Reachability property qltransition_166 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_150 is true.
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 29 place count 42 transition count 119
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 33 place count 38 transition count 119
Reachability property qltransition_149 is true.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :78208 after 153293
Applied a total of 33 rules in 78 ms. Remains 38 /54 variables (removed 16) and now considering 119/176 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 38/54 places, 119/176 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 3414 ms.

BK_STOP 1716218300621

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="AutonomousCar-PT-05b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5568"
echo " Executing tool itstools"
echo " Input is AutonomousCar-PT-05b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r035-smll-171620175700182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-05b.tgz
mv AutonomousCar-PT-05b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;