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.r466-smll-171620124600182.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)
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is AirplaneLD-PT-1000, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r466-smll-171620124600182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 26M
-rw-r--r-- 1 mcc users 740K Apr 12 04:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 2.5M Apr 12 04:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 493K Apr 12 04:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.7M Apr 12 04:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 279K Apr 22 14:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 700K Apr 22 14:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 262K Apr 22 14:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 1.1M Apr 22 14:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 677K Apr 12 06:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.2M Apr 12 06:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Apr 12 05:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 8.6M Apr 12 05:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 48K Apr 22 14:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 91K Apr 22 14:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 4.3M 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 1717200130392

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AirplaneLD-PT-1000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:02:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 00:02:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:02:13] [INFO ] Load time of PNML (sax parser for PT used): 1149 ms
[2024-06-01 00:02:13] [INFO ] Transformed 7019 places.
[2024-06-01 00:02:13] [INFO ] Transformed 8008 transitions.
[2024-06-01 00:02:13] [INFO ] Found NUPN structural information;
[2024-06-01 00:02:13] [INFO ] Parsed PT model containing 7019 places and 8008 transitions and 30528 arcs in 1386 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7019/7019 places, 8008/8008 transitions.
Reduce places removed 3005 places and 0 transitions.
Iterating post reduction 0 with 3005 rules applied. Total rules applied 3005 place count 4014 transition count 8008
Applied a total of 3005 rules in 229 ms. Remains 4014 /7019 variables (removed 3005) and now considering 8008/8008 (removed 0) transitions.
// Phase 1: matrix 8008 rows 4014 cols
[2024-06-01 00:02:16] [INFO ] Computed 1 invariants in 2629 ms
[2024-06-01 00:02:23] [INFO ] Implicit Places using invariants in 9323 ms returned [4013]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 9384 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 4013/7019 places, 8008/8008 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 4013 transition count 8006
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 4011 transition count 8006
Applied a total of 4 rules in 198 ms. Remains 4011 /4013 variables (removed 2) and now considering 8006/8008 (removed 2) transitions.
// Phase 1: matrix 8006 rows 4011 cols
[2024-06-01 00:02:25] [INFO ] Computed 0 invariants in 2161 ms
[2024-06-01 00:02:31] [INFO ] Implicit Places using invariants in 7639 ms returned []
[2024-06-01 00:02:31] [INFO ] Invariant cache hit.
[2024-06-01 00:02:54] [INFO ] Implicit Places using invariants and state equation in 23606 ms returned []
Implicit Place search using SMT with State Equation took 31261 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4011/7019 places, 8006/8008 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 41105 ms. Remains : 4011/7019 places, 8006/8008 transitions.
Discarding 3999 transitions out of 8006. Remains 4007
Initial state reduction rules removed 5 formulas.
RANDOM walk for 40000 steps (5735 resets) in 23586 ms. (1 steps per ms) remains 2121/4002 properties
BEST_FIRST walk for 124 steps (0 resets) in 19 ms. (6 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2121/2121 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2121/2121 properties
[2024-06-01 00:03:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2124 variables, 2124/2124 constraints. Problems are: Problem set: 0 solved, 2121 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2124/12017 variables, and 2124 constraints, problems are : Problem set: 0 solved, 2121 unsolved in 5167 ms.
Refiners :[Domain max(s): 2124/4011 constraints, State Equation: 0/4011 constraints, PredecessorRefiner: 2121/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2121 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2124 variables, 2124/2124 constraints. Problems are: Problem set: 0 solved, 2121 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2124/12017 variables, and 2124 constraints, problems are : Problem set: 0 solved, 2121 unsolved in 5067 ms.
Refiners :[Domain max(s): 2124/4011 constraints, State Equation: 0/4011 constraints, PredecessorRefiner: 2121/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 41639ms problems are : Problem set: 0 solved, 2121 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2124 out of 4011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4011/4011 places, 8006/8006 transitions.
Graph (complete) has 5509 edges and 4011 vertex of which 4010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.26 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 4010 transition count 8003
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 4 place count 4010 transition count 8001
Deduced a syphon composed of 2 places in 5 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 9 place count 4007 transition count 8001
Discarding 1874 places :
Symmetric choice reduction at 1 with 1874 rule applications. Total rules 1883 place count 2133 transition count 6127
Iterating global reduction 1 with 1874 rules applied. Total rules applied 3757 place count 2133 transition count 6127
Ensure Unique test removed 1874 transitions
Reduce isomorphic transitions removed 1874 transitions.
Iterating post reduction 1 with 1874 rules applied. Total rules applied 5631 place count 2133 transition count 4253
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 5636 place count 2133 transition count 4248
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 5641 place count 2128 transition count 4248
Applied a total of 5641 rules in 690 ms. Remains 2128 /4011 variables (removed 1883) and now considering 4248/8006 (removed 3758) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 691 ms. Remains : 2128/4011 places, 4248/8006 transitions.
RANDOM walk for 536543 steps (79314 resets) in 68309 ms. (7 steps per ms) remains 0/2121 properties
Able to resolve query QuasiLiveness after proving 4007 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 112507 ms.
ITS solved all properties within timeout

BK_STOP 1717200244743

--------------------
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="AirplaneLD-PT-1000"
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 AirplaneLD-PT-1000, 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 r466-smll-171620124600182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-1000.tgz
mv AirplaneLD-PT-1000 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 ;