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.r470-smll-171620175700192.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 ltsminxred
Input is AutonomousCar-PT-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r470-smll-171620175700192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 7.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 17:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Apr 12 18:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 12 18:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 12 18:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Apr 12 18:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:29 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 228K 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 1717193968095

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-06b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 22:19:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 22:19:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 22:19:30] [INFO ] Load time of PNML (sax parser for PT used): 188 ms
[2024-05-31 22:19:30] [INFO ] Transformed 289 places.
[2024-05-31 22:19:30] [INFO ] Transformed 644 transitions.
[2024-05-31 22:19:30] [INFO ] Found NUPN structural information;
[2024-05-31 22:19:30] [INFO ] Parsed PT model containing 289 places and 644 transitions and 3812 arcs in 353 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 289/289 places, 644/644 transitions.
Graph (trivial) has 277 edges and 289 vertex of which 4 / 289 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 133 transitions
Trivial Post-agglo rules discarded 133 transitions
Performed 133 trivial Post agglomeration. Transition count delta: 133
Iterating post reduction 0 with 133 rules applied. Total rules applied 134 place count 287 transition count 509
Reduce places removed 133 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 21 transitions
Trivial Post-agglo rules discarded 21 transitions
Performed 21 trivial Post agglomeration. Transition count delta: 21
Iterating post reduction 1 with 170 rules applied. Total rules applied 304 place count 154 transition count 472
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 2 with 21 rules applied. Total rules applied 325 place count 133 transition count 472
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 325 place count 133 transition count 467
Deduced a syphon composed of 5 places in 5 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 335 place count 128 transition count 467
Performed 64 Post agglomeration using F-continuation condition with reduction of 145 identical transitions.
Deduced a syphon composed of 64 places in 1 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 463 place count 64 transition count 258
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 465 place count 63 transition count 258
Applied a total of 465 rules in 146 ms. Remains 63 /289 variables (removed 226) and now considering 258/644 (removed 386) transitions.
[2024-05-31 22:19:30] [INFO ] Flow matrix only has 257 transitions (discarded 1 similar events)
// Phase 1: matrix 257 rows 63 cols
[2024-05-31 22:19:30] [INFO ] Computed 11 invariants in 29 ms
[2024-05-31 22:19:31] [INFO ] Implicit Places using invariants in 992 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1212 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 62/289 places, 258/644 transitions.
Applied a total of 0 rules in 7 ms. Remains 62 /62 variables (removed 0) and now considering 258/258 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1395 ms. Remains : 62/289 places, 258/644 transitions.
Discarding 35 transitions out of 258. Remains 223
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (3060 resets) in 4996 ms. (8 steps per ms) remains 60/222 properties
BEST_FIRST walk for 4004 steps (26 resets) in 42 ms. (93 steps per ms) remains 59/60 properties
BEST_FIRST walk for 4004 steps (28 resets) in 16 ms. (235 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4003 steps (22 resets) in 29 ms. (133 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (31 resets) in 36 ms. (108 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (29 resets) in 29 ms. (133 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (27 resets) in 33 ms. (117 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4004 steps (25 resets) in 35 ms. (111 steps per ms) remains 56/59 properties
BEST_FIRST walk for 4004 steps (26 resets) in 24 ms. (160 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4003 steps (25 resets) in 27 ms. (142 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (27 resets) in 30 ms. (129 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (25 resets) in 30 ms. (129 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (27 resets) in 22 ms. (174 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4003 steps (23 resets) in 21 ms. (181 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (23 resets) in 26 ms. (148 steps per ms) remains 55/56 properties
BEST_FIRST walk for 4003 steps (24 resets) in 19 ms. (200 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (26 resets) in 21 ms. (182 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (27 resets) in 28 ms. (138 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (28 resets) in 23 ms. (166 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (24 resets) in 12 ms. (307 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4004 steps (26 resets) in 18 ms. (210 steps per ms) remains 54/55 properties
BEST_FIRST walk for 4004 steps (22 resets) in 17 ms. (222 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (24 resets) in 18 ms. (210 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (21 resets) in 9 ms. (400 steps per ms) remains 53/54 properties
BEST_FIRST walk for 4004 steps (27 resets) in 29 ms. (133 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (26 resets) in 10 ms. (363 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (25 resets) in 10 ms. (363 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (28 resets) in 16 ms. (235 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (27 resets) in 16 ms. (235 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (27 resets) in 11 ms. (333 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (20 resets) in 19 ms. (200 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (22 resets) in 12 ms. (307 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (23 resets) in 20 ms. (190 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (28 resets) in 23 ms. (166 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (27 resets) in 16 ms. (235 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (27 resets) in 14 ms. (266 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (26 resets) in 16 ms. (235 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4004 steps (26 resets) in 16 ms. (235 steps per ms) remains 51/53 properties
BEST_FIRST walk for 4004 steps (27 resets) in 16 ms. (235 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (22 resets) in 12 ms. (308 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (22 resets) in 10 ms. (364 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4003 steps (28 resets) in 10 ms. (363 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (27 resets) in 12 ms. (308 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (26 resets) in 26 ms. (148 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (25 resets) in 22 ms. (174 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (25 resets) in 12 ms. (308 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4003 steps (26 resets) in 12 ms. (307 steps per ms) remains 49/51 properties
BEST_FIRST walk for 4003 steps (25 resets) in 18 ms. (210 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (22 resets) in 11 ms. (333 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (19 resets) in 10 ms. (364 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (22 resets) in 13 ms. (286 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (26 resets) in 18 ms. (210 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4002 steps (27 resets) in 16 ms. (235 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (26 resets) in 18 ms. (210 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (26 resets) in 17 ms. (222 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4004 steps (26 resets) in 12 ms. (308 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (22 resets) in 13 ms. (285 steps per ms) remains 49/49 properties
BEST_FIRST walk for 4003 steps (29 resets) in 10 ms. (363 steps per ms) remains 49/49 properties
[2024-05-31 22:19:34] [INFO ] Flow matrix only has 257 transitions (discarded 1 similar events)
// Phase 1: matrix 257 rows 62 cols
[2024-05-31 22:19:34] [INFO ] Computed 10 invariants in 11 ms
[2024-05-31 22:19:34] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (OVERLAPS) 30/62 variables, 10/42 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 49 unsolved
Problem qltransition_253 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 1489ms, After SMT, problems are : Problem set: 0 solved, 49 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 32 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 258/258 transitions.
Graph (complete) has 517 edges and 62 vertex of which 61 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 61 transition count 256
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 4 place count 59 transition count 253
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 59 transition count 253
Applied a total of 6 rules in 50 ms. Remains 59 /62 variables (removed 3) and now considering 253/258 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 59/62 places, 253/258 transitions.
Total runtime 5510 ms.
ITS solved all properties within timeout

BK_STOP 1717193975962

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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-06b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is AutonomousCar-PT-06b, 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 r470-smll-171620175700192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-06b.tgz
mv AutonomousCar-PT-06b 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 ;