Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r014-tall-174853744000422.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
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 r014-tall-174853744000422
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 159K May 29 14:32 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 1748550196173

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-05b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:23:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:23:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:23:17] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2025-05-29 20:23:17] [INFO ] Transformed 255 places.
[2025-05-29 20:23:17] [INFO ] Transformed 490 transitions.
[2025-05-29 20:23:17] [INFO ] Found NUPN structural information;
[2025-05-29 20:23:17] [INFO ] Parsed PT model containing 255 places and 490 transitions and 2527 arcs in 197 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 4 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 0 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 78 ms. Remains 55 /255 variables (removed 200) and now considering 176/490 (removed 314) transitions.
[2025-05-29 20:23:17] [INFO ] Flow matrix only has 175 transitions (discarded 1 similar events)
// Phase 1: matrix 175 rows 55 cols
[2025-05-29 20:23:17] [INFO ] Computed 10 invariants in 13 ms
[2025-05-29 20:23:17] [INFO ] Implicit Places using invariants in 266 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 294 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 1 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 390 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 (3274 resets) in 2171 ms. (18 steps per ms) remains 23/145 properties
BEST_FIRST walk for 4004 steps (36 resets) in 32 ms. (121 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (35 resets) in 25 ms. (153 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (35 resets) in 24 ms. (160 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4003 steps (26 resets) in 23 ms. (166 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (35 resets) in 36 ms. (108 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (34 resets) in 34 ms. (114 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (27 resets) in 27 ms. (143 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (28 resets) in 22 ms. (174 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (36 resets) in 30 ms. (129 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (33 resets) in 22 ms. (174 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (35 resets) in 26 ms. (148 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (28 resets) in 15 ms. (250 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4002 steps (34 resets) in 12 ms. (307 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (36 resets) in 17 ms. (222 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (30 resets) in 16 ms. (235 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (27 resets) in 11 ms. (333 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (34 resets) in 14 ms. (266 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (33 resets) in 12 ms. (307 steps per ms) remains 19/21 properties
BEST_FIRST walk for 4004 steps (34 resets) in 13 ms. (286 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (36 resets) in 8 ms. (444 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (28 resets) in 14 ms. (266 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (30 resets) in 12 ms. (307 steps per ms) remains 19/19 properties
[2025-05-29 20:23:19] [INFO ] Flow matrix only has 175 transitions (discarded 1 similar events)
// Phase 1: matrix 175 rows 54 cols
[2025-05-29 20:23:19] [INFO ] Computed 9 invariants in 6 ms
[2025-05-29 20:23:19] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (OVERLAPS) 34/54 variables, 9/29 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 34/63 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Problem qltransition_171 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 366ms, After SMT, problems are : Problem set: 0 solved, 19 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 20 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.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 3 place count 50 transition count 171
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 50 transition count 171
Applied a total of 5 rules in 23 ms. Remains 50 /54 variables (removed 4) and now considering 171/176 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 50/54 places, 171/176 transitions.
Total runtime 2077 ms.
ITS solved all properties within timeout

BK_STOP 1748550199772

--------------------
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_1.0.0.202405141337.jar
+ 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-05b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
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 r014-tall-174853744000422"
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.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 ;