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.r119-tall-167814498000611.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 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 DNAwalker-PT-14ringLRLarge, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814498000611
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 7.2K Feb 25 13:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 13:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 13:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 13:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Feb 25 13:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 25 13:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 13:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 13:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 14 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 135K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679417084062

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=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-14ringLRLarge
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 16:44:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-21 16:44:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:44:45] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2023-03-21 16:44:45] [INFO ] Transformed 33 places.
[2023-03-21 16:44:45] [INFO ] Transformed 312 transitions.
[2023-03-21 16:44:45] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 117 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 4 ms.25450KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 26 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 16:44:45] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
// Phase 1: matrix 311 rows 33 cols
[2023-03-21 16:44:45] [INFO ] Computed 0 place invariants in 19 ms
[2023-03-21 16:44:46] [INFO ] Dead Transitions using invariants and state equation in 485 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 536 ms. Remains : 33/33 places, 312/312 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 11 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 16:44:46] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:44:46] [INFO ] Invariant cache hit.
[2023-03-21 16:44:46] [INFO ] Implicit Places using invariants in 57 ms returned []
[2023-03-21 16:44:46] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:44:46] [INFO ] Invariant cache hit.
[2023-03-21 16:44:46] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 16:44:46] [INFO ] Implicit Places using invariants and state equation in 338 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
[2023-03-21 16:44:46] [INFO ] Redundant transitions in 19 ms returned []
[2023-03-21 16:44:46] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:44:46] [INFO ] Invariant cache hit.
[2023-03-21 16:44:46] [INFO ] Dead Transitions using invariants and state equation in 118 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 553 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96541 resets, run took 4561 ms (no deadlock found). (steps per millisecond=274 )
Random directed walk for 1250005 steps, including 21761 resets, run took 3168 ms (no deadlock found). (steps per millisecond=394 )
[2023-03-21 16:44:54] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:44:54] [INFO ] Invariant cache hit.
[2023-03-21 16:44:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 16:44:54] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2023-03-21 16:44:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 16:44:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 16:44:54] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2023-03-21 16:44:54] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 16:44:54] [INFO ] [Nat]Added 71 Read/Feed constraints in 13 ms returned sat
[2023-03-21 16:44:54] [INFO ] Computed and/alt/rep : 72/612/72 causal constraints (skipped 209 transitions) in 23 ms.
[2023-03-21 16:45:00] [INFO ] Added : 1 causal constraints over 1 iterations in 6051 ms. Result :unknown
Parikh directed walk for 1100 steps, including 130 resets, run took 7 ms. (steps per millisecond=157 )
Random directed walk for 500001 steps, including 8733 resets, run took 1253 ms (no deadlock found). (steps per millisecond=399 )
Random walk for 500000 steps, including 38577 resets, run took 1742 ms (no deadlock found). (steps per millisecond=287 )
Random directed walk for 500012 steps, including 8731 resets, run took 1223 ms (no deadlock found). (steps per millisecond=408 )
Random walk for 500000 steps, including 38581 resets, run took 1758 ms (no deadlock found). (steps per millisecond=284 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 10 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2023-03-21 16:45:06] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:45:06] [INFO ] Invariant cache hit.
[2023-03-21 16:45:06] [INFO ] Implicit Places using invariants in 111 ms returned []
[2023-03-21 16:45:06] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:45:06] [INFO ] Invariant cache hit.
[2023-03-21 16:45:06] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 16:45:07] [INFO ] Implicit Places using invariants and state equation in 336 ms returned []
Implicit Place search using SMT with State Equation took 450 ms to find 0 implicit places.
[2023-03-21 16:45:07] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-21 16:45:07] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:45:07] [INFO ] Invariant cache hit.
[2023-03-21 16:45:07] [INFO ] Dead Transitions using invariants and state equation in 102 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 574 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96771 resets, run took 4383 ms (no deadlock found). (steps per millisecond=285 )
Random directed walk for 1250027 steps, including 21765 resets, run took 3046 ms (no deadlock found). (steps per millisecond=410 )
[2023-03-21 16:45:14] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2023-03-21 16:45:14] [INFO ] Invariant cache hit.
[2023-03-21 16:45:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 16:45:14] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2023-03-21 16:45:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 16:45:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 16:45:14] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2023-03-21 16:45:14] [INFO ] State equation strengthened by 71 read => feed constraints.
[2023-03-21 16:45:15] [INFO ] [Nat]Added 71 Read/Feed constraints in 14 ms returned sat
[2023-03-21 16:45:15] [INFO ] Computed and/alt/rep : 72/612/72 causal constraints (skipped 209 transitions) in 25 ms.
[2023-03-21 16:45:20] [INFO ] Added : 1 causal constraints over 1 iterations in 5605 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 93 ms.
Parikh directed walk for 1600 steps, including 103 resets, run took 7 ms. (steps per millisecond=228 )
Random directed walk for 500028 steps, including 8709 resets, run took 1225 ms (no deadlock found). (steps per millisecond=408 )
Random walk for 500000 steps, including 38624 resets, run took 1745 ms (no deadlock found). (steps per millisecond=286 )
Random directed walk for 500014 steps, including 8730 resets, run took 1216 ms (no deadlock found). (steps per millisecond=411 )
Random walk for 500000 steps, including 38723 resets, run took 1762 ms (no deadlock found). (steps per millisecond=283 )
[2023-03-21 16:45:26] [INFO ] Flatten gal took : 67 ms
[2023-03-21 16:45:26] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-21 16:45:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 33 places, 312 transitions and 916 arcs took 4 ms.
Total runtime 41447 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA ReachabilityDeadlock FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679417145800

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023
property name is ReachabilityDeadlock
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 33 places, 312 transitions and 916 arcs
pnml2lts-sym: Petri net DNAwalker_PT_14ringLRLarge analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 312->169 groups
pnml2lts-sym: Regrouping took 0.020 real 0.020 user 0.000 sys
pnml2lts-sym: state vector length is 33; there are 169 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: Exploration took 2719349 group checks and 0 next state calls
pnml2lts-sym: reachability took 17.270 real 68.770 user 0.200 sys
pnml2lts-sym: No deadlocks found
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 1860879029 states, 18657 nodes
pnml2lts-sym: group_next: 1440 nodes total
pnml2lts-sym: group_explored: 1253 nodes, 1158 short vectors total
pnml2lts-sym: max token count: 2

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="DNAwalker-PT-14ringLRLarge"
export BK_EXAMINATION="ReachabilityDeadlock"
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 DNAwalker-PT-14ringLRLarge, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r119-tall-167814498000611"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-14ringLRLarge.tgz
mv DNAwalker-PT-14ringLRLarge execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;