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-171620124600177.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-0500, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r466-smll-171620124600177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 12M
-rw-r--r-- 1 mcc users 100K Apr 12 03:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 389K Apr 12 03:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 208K Apr 12 03:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.2M Apr 12 03:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 220K Apr 22 14:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 569K Apr 22 14:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 112K Apr 22 14:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 470K Apr 22 14:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 630K Apr 12 04:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 2.1M Apr 12 04:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 512K Apr 12 04:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M Apr 12 04:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 25K Apr 22 14:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 47K 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 2.2M 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 1717200067603

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-0500
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:01:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 00:01:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:01:10] [INFO ] Load time of PNML (sax parser for PT used): 629 ms
[2024-06-01 00:01:10] [INFO ] Transformed 3519 places.
[2024-06-01 00:01:10] [INFO ] Transformed 4008 transitions.
[2024-06-01 00:01:10] [INFO ] Found NUPN structural information;
[2024-06-01 00:01:10] [INFO ] Parsed PT model containing 3519 places and 4008 transitions and 15278 arcs in 853 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3519/3519 places, 4008/4008 transitions.
Reduce places removed 1505 places and 0 transitions.
Iterating post reduction 0 with 1505 rules applied. Total rules applied 1505 place count 2014 transition count 4008
Applied a total of 1505 rules in 204 ms. Remains 2014 /3519 variables (removed 1505) and now considering 4008/4008 (removed 0) transitions.
// Phase 1: matrix 4008 rows 2014 cols
[2024-06-01 00:01:11] [INFO ] Computed 1 invariants in 627 ms
[2024-06-01 00:01:16] [INFO ] Implicit Places using invariants in 5027 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 5090 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 2013/3519 places, 4008/4008 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 2013 transition count 4006
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 2011 transition count 4006
Applied a total of 4 rules in 122 ms. Remains 2011 /2013 variables (removed 2) and now considering 4006/4008 (removed 2) transitions.
// Phase 1: matrix 4006 rows 2011 cols
[2024-06-01 00:01:16] [INFO ] Computed 0 invariants in 674 ms
[2024-06-01 00:01:19] [INFO ] Implicit Places using invariants in 3332 ms returned []
[2024-06-01 00:01:19] [INFO ] Invariant cache hit.
[2024-06-01 00:01:26] [INFO ] Implicit Places using invariants and state equation in 7018 ms returned []
Implicit Place search using SMT with State Equation took 10357 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 2011/3519 places, 4006/4008 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 15806 ms. Remains : 2011/3519 places, 4006/4008 transitions.
Discarding 1999 transitions out of 4006. Remains 2007
Initial state reduction rules removed 5 formulas.
RANDOM walk for 40000 steps (5741 resets) in 10972 ms. (3 steps per ms) remains 560/2002 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 560/560 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 560/560 properties
[2024-06-01 00:01:29] [INFO ] Invariant cache hit.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/563 variables, 563/563 constraints. Problems are: Problem set: 0 solved, 560 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/6017 variables, and 563 constraints, problems are : Problem set: 0 solved, 560 unsolved in 5104 ms.
Refiners :[Domain max(s): 563/2011 constraints, State Equation: 0/2011 constraints, PredecessorRefiner: 560/224 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 560 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/563 variables, 563/563 constraints. Problems are: Problem set: 0 solved, 560 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/6017 variables, and 563 constraints, problems are : Problem set: 0 solved, 560 unsolved in 5055 ms.
Refiners :[Domain max(s): 563/2011 constraints, State Equation: 0/2011 constraints, PredecessorRefiner: 336/224 constraints, Known Traps: 0/0 constraints]
After SMT, in 19101ms problems are : Problem set: 0 solved, 560 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 563 out of 2011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2011/2011 places, 4006/4006 transitions.
Graph (complete) has 2759 edges and 2011 vertex of which 2010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.17 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 2010 transition count 4003
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 2010 transition count 4001
Deduced a syphon composed of 2 places in 3 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 2007 transition count 4001
Discarding 1435 places :
Symmetric choice reduction at 1 with 1435 rule applications. Total rules 1444 place count 572 transition count 2566
Iterating global reduction 1 with 1435 rules applied. Total rules applied 2879 place count 572 transition count 2566
Ensure Unique test removed 1435 transitions
Reduce isomorphic transitions removed 1435 transitions.
Iterating post reduction 1 with 1435 rules applied. Total rules applied 4314 place count 572 transition count 1131
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 4319 place count 572 transition count 1126
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 4324 place count 567 transition count 1126
Applied a total of 4324 rules in 418 ms. Remains 567 /2011 variables (removed 1444) and now considering 1126/4006 (removed 2880) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 418 ms. Remains : 567/2011 places, 1126/4006 transitions.
RANDOM walk for 134192 steps (19857 resets) in 5478 ms. (24 steps per ms) remains 0/560 properties
Able to resolve query QuasiLiveness after proving 2007 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 41381 ms.
ITS solved all properties within timeout

BK_STOP 1717200111379

--------------------
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-0500"
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-0500, 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-171620124600177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0500.tgz
mv AirplaneLD-PT-0500 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 ;