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-171620175500072.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 AutoFlight-PT-04b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r470-smll-171620175500072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 19 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 19 15:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 22:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 12 22:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Apr 12 22:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Apr 12 22:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:28 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 91K 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 1717191357201

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-04b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:35:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-05-31 21:35:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:35:59] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2024-05-31 21:35:59] [INFO ] Transformed 390 places.
[2024-05-31 21:36:00] [INFO ] Transformed 388 transitions.
[2024-05-31 21:36:00] [INFO ] Found NUPN structural information;
[2024-05-31 21:36:00] [INFO ] Parsed PT model containing 390 places and 388 transitions and 906 arcs in 437 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 390/390 places, 388/388 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 152 transitions
Trivial Post-agglo rules discarded 152 transitions
Performed 152 trivial Post agglomeration. Transition count delta: 152
Iterating post reduction 0 with 152 rules applied. Total rules applied 152 place count 390 transition count 236
Reduce places removed 152 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 180 rules applied. Total rules applied 332 place count 238 transition count 208
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 340 place count 230 transition count 208
Performed 55 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 55 Pre rules applied. Total rules applied 340 place count 230 transition count 153
Deduced a syphon composed of 55 places in 3 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 3 with 110 rules applied. Total rules applied 450 place count 175 transition count 153
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 0 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 3 with 148 rules applied. Total rules applied 598 place count 101 transition count 79
Applied a total of 598 rules in 142 ms. Remains 101 /390 variables (removed 289) and now considering 79/388 (removed 309) transitions.
// Phase 1: matrix 79 rows 101 cols
[2024-05-31 21:36:00] [INFO ] Computed 28 invariants in 22 ms
[2024-05-31 21:36:00] [INFO ] Implicit Places using invariants in 576 ms returned [31, 34, 37, 40, 100]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 636 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 96/390 places, 79/388 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 96 transition count 75
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 92 transition count 75
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 20 place count 86 transition count 69
Applied a total of 20 rules in 10 ms. Remains 86 /96 variables (removed 10) and now considering 69/79 (removed 10) transitions.
// Phase 1: matrix 69 rows 86 cols
[2024-05-31 21:36:00] [INFO ] Computed 23 invariants in 3 ms
[2024-05-31 21:36:01] [INFO ] Implicit Places using invariants in 210 ms returned []
[2024-05-31 21:36:01] [INFO ] Invariant cache hit.
[2024-05-31 21:36:01] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-31 21:36:01] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 550 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 86/390 places, 69/388 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1374 ms. Remains : 86/390 places, 69/388 transitions.
Discarding 16 transitions out of 69. Remains 53
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (2069 resets) in 2786 ms. (14 steps per ms) remains 9/52 properties
BEST_FIRST walk for 40004 steps (198 resets) in 215 ms. (185 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (195 resets) in 154 ms. (258 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (218 resets) in 99 ms. (400 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (217 resets) in 124 ms. (320 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (217 resets) in 102 ms. (388 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (215 resets) in 71 ms. (555 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (221 resets) in 91 ms. (434 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (214 resets) in 105 ms. (377 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (219 resets) in 115 ms. (344 steps per ms) remains 9/9 properties
[2024-05-31 21:36:02] [INFO ] Invariant cache hit.
[2024-05-31 21:36:02] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 40/54 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 40/61 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 32/86 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 32/109 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2024-05-31 21:36:03] [INFO ] Deduced a trap composed of 4 places in 69 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 69/155 variables, 86/196 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 20/216 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 0/155 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 155/155 variables, and 216 constraints, problems are : Problem set: 0 solved, 9 unsolved in 940 ms.
Refiners :[Domain max(s): 86/86 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 40/54 variables, 7/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 40/61 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 32/86 variables, 16/77 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 32/109 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 9 unsolved
[2024-05-31 21:36:03] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/86 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 69/155 variables, 86/197 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 20/217 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/155 variables, 9/226 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/155 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/155 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 155/155 variables, and 226 constraints, problems are : Problem set: 0 solved, 9 unsolved in 670 ms.
Refiners :[Domain max(s): 86/86 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 2/2 constraints]
After SMT, in 1668ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 8 different solutions.
Parikh walk visited 5 properties in 1926 ms.
Support contains 8 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 69/69 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 81 transition count 64
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 81 transition count 64
Free-agglomeration rule applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 81 transition count 54
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 30 place count 71 transition count 54
Applied a total of 30 rules in 25 ms. Remains 71 /86 variables (removed 15) and now considering 54/69 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 71/86 places, 54/69 transitions.
RANDOM walk for 4000000 steps (191383 resets) in 9905 ms. (403 steps per ms) remains 1/4 properties
BEST_FIRST walk for 3203276 steps (44646 resets) in 3723 ms. (860 steps per ms) remains 0/1 properties
Able to resolve query QuasiLiveness after proving 53 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 10936 ms.
ITS solved all properties within timeout

BK_STOP 1717191370539

--------------------
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="AutoFlight-PT-04b"
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 AutoFlight-PT-04b, 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-171620175500072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-04b.tgz
mv AutoFlight-PT-04b 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 ;