Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r023-oct2-167813610300267.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5348
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 r023-oct2-167813610300267
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 6.0K Feb 25 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Feb 25 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 15:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 25 15:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 18:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Feb 25 18:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Feb 25 18:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 18:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 91K Mar 5 18:22 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 1678988060909

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
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
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 17:34:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 17:34:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 17:34:24] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2023-03-16 17:34:24] [INFO ] Transformed 390 places.
[2023-03-16 17:34:24] [INFO ] Transformed 388 transitions.
[2023-03-16 17:34:24] [INFO ] Found NUPN structural information;
[2023-03-16 17:34:24] [INFO ] Parsed PT model containing 390 places and 388 transitions and 906 arcs in 216 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 390/390 places, 388/388 transitions.
Drop transitions 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 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 1 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 35 ms. Remains 101 /390 variables (removed 289) and now considering 79/388 (removed 309) transitions.
// Phase 1: matrix 79 rows 101 cols
[2023-03-16 17:34:24] [INFO ] Computed 28 place invariants in 24 ms
[2023-03-16 17:34:25] [INFO ] Implicit Places using invariants in 828 ms returned [31, 34, 37, 40, 100]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 872 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 4 ms. Remains 86 /96 variables (removed 10) and now considering 69/79 (removed 10) transitions.
// Phase 1: matrix 69 rows 86 cols
[2023-03-16 17:34:25] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-16 17:34:25] [INFO ] Implicit Places using invariants in 454 ms returned []
[2023-03-16 17:34:25] [INFO ] Invariant cache hit.
[2023-03-16 17:34:26] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-16 17:34:26] [INFO ] Implicit Places using invariants and state equation in 647 ms returned []
Implicit Place search using SMT with State Equation took 1104 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 2015 ms. Remains : 86/390 places, 69/388 transitions.
Discarding 16 transitions out of 69. Remains 53
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 507 resets, run finished after 303 ms. (steps per millisecond=33 ) properties (out of 52) seen :40
Incomplete Best-First random walk after 10000 steps, including 49 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 49 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 56 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 54 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 53 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 12) seen :2
Incomplete Best-First random walk after 10001 steps, including 64 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 64 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 56 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-16 17:34:27] [INFO ] Invariant cache hit.
[2023-03-16 17:34:27] [INFO ] [Real]Absence check using 23 positive place invariants in 5 ms returned sat
[2023-03-16 17:34:27] [INFO ] After 300ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-16 17:34:27] [INFO ] [Nat]Absence check using 23 positive place invariants in 5 ms returned sat
[2023-03-16 17:34:27] [INFO ] After 206ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-16 17:34:27] [INFO ] State equation strengthened by 20 read => feed constraints.
[2023-03-16 17:34:27] [INFO ] After 110ms SMT Verify possible using 20 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-16 17:34:28] [INFO ] Deduced a trap composed of 6 places in 46 ms of which 9 ms to minimize.
[2023-03-16 17:34:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2023-03-16 17:34:28] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 2 ms to minimize.
[2023-03-16 17:34:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2023-03-16 17:34:28] [INFO ] After 394ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 84 ms.
[2023-03-16 17:34:28] [INFO ] After 815ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 1027 ms.
Support contains 12 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 69/69 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 82 transition count 65
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 82 transition count 65
Free-agglomeration rule applied 10 times.
Iterating global reduction 0 with 10 rules applied. Total rules applied 18 place count 82 transition count 55
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 28 place count 72 transition count 55
Applied a total of 28 rules in 16 ms. Remains 72 /86 variables (removed 14) and now considering 55/69 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 72/86 places, 55/69 transitions.
Incomplete random walk after 1000000 steps, including 47913 resets, run finished after 13281 ms. (steps per millisecond=75 ) properties (out of 8) seen :5
Incomplete Best-First random walk after 1000001 steps, including 13920 resets, run finished after 4901 ms. (steps per millisecond=204 ) properties (out of 3) seen :0
Interrupted Best-First random walk after 914247 steps, including 12701 resets, run timeout after 5001 ms. (steps per millisecond=182 ) properties seen 0
Incomplete Best-First random walk after 1000001 steps, including 9527 resets, run finished after 3832 ms. (steps per millisecond=260 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 55 rows 72 cols
[2023-03-16 17:34:56] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-16 17:34:56] [INFO ] [Real]Absence check using 23 positive place invariants in 158 ms returned sat
[2023-03-16 17:34:56] [INFO ] After 567ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 17:34:57] [INFO ] [Nat]Absence check using 23 positive place invariants in 157 ms returned sat
[2023-03-16 17:34:57] [INFO ] After 48ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 17:34:57] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-16 17:34:57] [INFO ] After 85ms SMT Verify possible using 30 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 17:34:57] [INFO ] After 130ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 25 ms.
[2023-03-16 17:34:57] [INFO ] After 564ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 132 ms.
Support contains 5 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 55/55 transitions.
Free-agglomeration rule applied 4 times.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 72 transition count 51
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 51
Applied a total of 8 rules in 6 ms. Remains 68 /72 variables (removed 4) and now considering 51/55 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 68/72 places, 51/55 transitions.
Finished random walk after 2648 steps, including 120 resets, run visited all 3 properties in 18 ms. (steps per millisecond=147 )
Able to resolve query QuasiLiveness after proving 53 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 33542 ms.
ITS solved all properties within timeout

BK_STOP 1678988097937

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /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 2-5348"
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 r023-oct2-167813610300267"
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 ;