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-174853744000432.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-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r014-tall-174853744000432
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K 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 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 38K 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 228K 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 1748550232164

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-06b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 20:23:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 20:23:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 20:23:53] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2025-05-29 20:23:53] [INFO ] Transformed 289 places.
[2025-05-29 20:23:53] [INFO ] Transformed 644 transitions.
[2025-05-29 20:23:53] [INFO ] Found NUPN structural information;
[2025-05-29 20:23:53] [INFO ] Parsed PT model containing 289 places and 644 transitions and 3812 arcs in 197 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 10 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 4 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 1 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 92 ms. Remains 63 /289 variables (removed 226) and now considering 258/644 (removed 386) transitions.
[2025-05-29 20:23:53] [INFO ] Flow matrix only has 257 transitions (discarded 1 similar events)
// Phase 1: matrix 257 rows 63 cols
[2025-05-29 20:23:53] [INFO ] Computed 11 invariants in 18 ms
[2025-05-29 20:23:54] [INFO ] Implicit Places using invariants in 311 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 341 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 5 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 455 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 (3114 resets) in 2735 ms. (14 steps per ms) remains 63/222 properties
BEST_FIRST walk for 4004 steps (29 resets) in 33 ms. (117 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (29 resets) in 32 ms. (121 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (28 resets) in 22 ms. (174 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (29 resets) in 39 ms. (100 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (28 resets) in 42 ms. (93 steps per ms) remains 62/63 properties
BEST_FIRST walk for 4003 steps (26 resets) in 37 ms. (105 steps per ms) remains 61/62 properties
BEST_FIRST walk for 4004 steps (28 resets) in 36 ms. (108 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4003 steps (27 resets) in 24 ms. (160 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (27 resets) in 25 ms. (154 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (28 resets) in 20 ms. (190 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4004 steps (27 resets) in 16 ms. (235 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4003 steps (27 resets) in 16 ms. (235 steps per ms) remains 61/61 properties
BEST_FIRST walk for 4003 steps (26 resets) in 31 ms. (125 steps per ms) remains 59/61 properties
BEST_FIRST walk for 4003 steps (26 resets) in 13 ms. (285 steps per ms) remains 59/59 properties
BEST_FIRST walk for 4001 steps (23 resets) in 11 ms. (333 steps per ms) remains 58/59 properties
BEST_FIRST walk for 4003 steps (23 resets) in 11 ms. (333 steps per ms) remains 58/58 properties
BEST_FIRST walk for 4003 steps (23 resets) in 11 ms. (333 steps per ms) remains 57/58 properties
BEST_FIRST walk for 4004 steps (22 resets) in 12 ms. (308 steps per ms) remains 56/57 properties
BEST_FIRST walk for 4004 steps (28 resets) in 10 ms. (364 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (28 resets) in 10 ms. (364 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (25 resets) in 11 ms. (333 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 (26 resets) in 8 ms. (444 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (27 resets) in 9 ms. (400 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4004 steps (21 resets) in 9 ms. (400 steps per ms) remains 54/56 properties
BEST_FIRST walk for 4004 steps (21 resets) in 13 ms. (286 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (23 resets) in 9 ms. (400 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (27 resets) in 10 ms. (364 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (25 resets) in 13 ms. (285 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (26 resets) in 15 ms. (250 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (25 resets) in 10 ms. (364 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (21 resets) in 16 ms. (235 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (21 resets) in 9 ms. (400 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (24 resets) in 11 ms. (333 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (23 resets) in 8 ms. (444 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (27 resets) in 13 ms. (285 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (28 resets) in 9 ms. (400 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (25 resets) in 17 ms. (222 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (27 resets) in 9 ms. (400 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4004 steps (26 resets) in 8 ms. (444 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (21 resets) in 11 ms. (333 steps per ms) remains 53/54 properties
BEST_FIRST walk for 4004 steps (22 resets) in 8 ms. (444 steps per ms) remains 51/53 properties
BEST_FIRST walk for 4004 steps (27 resets) in 14 ms. (266 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4003 steps (23 resets) in 10 ms. (363 steps per ms) remains 50/51 properties
BEST_FIRST walk for 4004 steps (26 resets) in 11 ms. (333 steps per ms) remains 50/50 properties
BEST_FIRST walk for 4004 steps (26 resets) in 10 ms. (364 steps per ms) remains 50/50 properties
BEST_FIRST walk for 4003 steps (25 resets) in 11 ms. (333 steps per ms) remains 50/50 properties
BEST_FIRST walk for 4004 steps (23 resets) in 8 ms. (444 steps per ms) remains 49/50 properties
BEST_FIRST walk for 4002 steps (22 resets) in 9 ms. (400 steps per ms) remains 48/49 properties
BEST_FIRST walk for 4003 steps (23 resets) in 8 ms. (444 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (28 resets) in 8 ms. (444 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4003 steps (24 resets) in 10 ms. (363 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (27 resets) in 8 ms. (444 steps per ms) remains 48/48 properties
BEST_FIRST walk for 4004 steps (23 resets) in 9 ms. (400 steps per ms) remains 47/48 properties
BEST_FIRST walk for 4003 steps (22 resets) in 8 ms. (444 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (28 resets) in 11 ms. (333 steps per ms) remains 47/47 properties
[2025-05-29 20:23:55] [INFO ] Flow matrix only has 257 transitions (discarded 1 similar events)
// Phase 1: matrix 257 rows 62 cols
[2025-05-29 20:23:55] [INFO ] Computed 10 invariants in 7 ms
[2025-05-29 20:23:55] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 27/62 variables, 10/45 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 47 unsolved
[2025-05-29 20:23:55] [INFO ] Deduced a trap composed of 4 places in 79 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 47 unsolved
Problem qltransition_253 is UNSAT
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
SMT process timed out in 997ms, After SMT, problems are : Problem set: 0 solved, 47 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 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.3 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 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 60 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 60 transition count 254
Applied a total of 4 rules in 47 ms. Remains 60 /62 variables (removed 2) and now considering 254/258 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 60/62 places, 254/258 transitions.
Total runtime 2946 ms.
ITS solved all properties within timeout

BK_STOP 1748550236659

--------------------
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-06b"
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-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 r014-tall-174853744000432"
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.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 ;