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.r478-tall-171620516400366.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is CloudDeployment-PT-5a, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r478-tall-171620516400366
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.6K Apr 22 14:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 11 16:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 165K Apr 11 16:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Apr 11 16:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 11 16:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 230K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1717179632220

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-5a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:20:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2024-05-31 18:20:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:20:33] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2024-05-31 18:20:33] [INFO ] Transformed 180 places.
[2024-05-31 18:20:33] [INFO ] Transformed 675 transitions.
[2024-05-31 18:20:33] [INFO ] Found NUPN structural information;
[2024-05-31 18:20:33] [INFO ] Parsed PT model containing 180 places and 675 transitions and 3959 arcs in 209 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 80 transitions
Reduce redundant transitions removed 80 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.14868KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 180/180 places, 595/595 transitions.
Graph (trivial) has 201 edges and 180 vertex of which 50 / 180 are part of one of the 15 SCC in 3 ms
Free SCC test removed 35 places
Ensure Unique test removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Computed a total of 100 stabilizing places and 345 stable transitions
Graph (complete) has 1567 edges and 145 vertex of which 134 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.8 ms
Discarding 11 places :
Also discarding 0 output transitions
Computed a total of 89 stabilizing places and 344 stable transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 10 place count 126 transition count 457
Iterating global reduction 0 with 8 rules applied. Total rules applied 18 place count 126 transition count 457
Computed a total of 81 stabilizing places and 311 stable transitions
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 20 place count 124 transition count 455
Iterating global reduction 0 with 2 rules applied. Total rules applied 22 place count 124 transition count 455
Computed a total of 79 stabilizing places and 309 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 123 transition count 454
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 123 transition count 454
Computed a total of 78 stabilizing places and 308 stable transitions
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 54 place count 108 transition count 499
Computed a total of 63 stabilizing places and 353 stable transitions
Computed a total of 63 stabilizing places and 353 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 130 transitions
Redundant transition composition rules discarded 130 transitions
Iterating global reduction 0 with 130 rules applied. Total rules applied 184 place count 108 transition count 369
Computed a total of 63 stabilizing places and 278 stable transitions
Computed a total of 63 stabilizing places and 278 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 185 place count 107 transition count 368
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Applied a total of 185 rules in 172 ms. Remains 107 /180 variables (removed 73) and now considering 368/595 (removed 227) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 186 ms. Remains : 107/180 places, 368/595 transitions.
Random walk for 1250000 steps, including 24469 resets, run took 2296 ms (no deadlock found). (steps per millisecond=544 )
Random directed walk for 1250005 steps, including 7511 resets, run took 2117 ms (no deadlock found). (steps per millisecond=590 )
[2024-05-31 18:20:38] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
// Phase 1: matrix 154 rows 107 cols
[2024-05-31 18:20:38] [INFO ] Computed 19 invariants in 14 ms
[2024-05-31 18:20:38] [INFO ] [Real]Absence check using 0 positive and 19 generalized place invariants in 5 ms returned sat
[2024-05-31 18:20:38] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-31 18:20:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 18:20:38] [INFO ] [Nat]Absence check using 0 positive and 19 generalized place invariants in 5 ms returned sat
[2024-05-31 18:20:38] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2024-05-31 18:20:38] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-31 18:20:38] [INFO ] [Nat]Added 6 Read/Feed constraints in 8 ms returned sat
[2024-05-31 18:20:38] [INFO ] Computed and/alt/rep : 114/207/114 causal constraints (skipped 13 transitions) in 36 ms.
[2024-05-31 18:20:38] [INFO ] Added : 62 causal constraints over 13 iterations in 207 ms. Result :sat
Parikh directed walk for 6400 steps, including 126 resets, run took 20 ms. (steps per millisecond=320 )
Random directed walk for 500003 steps, including 3015 resets, run took 855 ms (no deadlock found). (steps per millisecond=584 )
Random walk for 500000 steps, including 9791 resets, run took 829 ms (no deadlock found). (steps per millisecond=603 )
Random directed walk for 500002 steps, including 2996 resets, run took 830 ms (no deadlock found). (steps per millisecond=602 )
Random walk for 500000 steps, including 9776 resets, run took 824 ms (no deadlock found). (steps per millisecond=606 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 107/107 places, 368/368 transitions.
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Computed a total of 62 stabilizing places and 278 stable transitions
Applied a total of 0 rules in 13 ms. Remains 107 /107 variables (removed 0) and now considering 368/368 (removed 0) transitions.
[2024-05-31 18:20:42] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2024-05-31 18:20:42] [INFO ] Invariant cache hit.
[2024-05-31 18:20:42] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-31 18:20:42] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2024-05-31 18:20:42] [INFO ] Invariant cache hit.
[2024-05-31 18:20:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-31 18:20:42] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-31 18:20:42] [INFO ] Redundant transitions in 259 ms returned []
Running 337 sub problems to find dead transitions.
[2024-05-31 18:20:42] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2024-05-31 18:20:42] [INFO ] Invariant cache hit.
[2024-05-31 18:20:42] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 2 (OVERLAPS) 5/107 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 4 (OVERLAPS) 153/260 variables, 107/126 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 7 (OVERLAPS) 0/260 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 337 unsolved
No progress, stopping.
After SMT solving in domain Real declared 260/261 variables, and 132 constraints, problems are : Problem set: 0 solved, 337 unsolved in 7850 ms.
Refiners :[Generalized P Invariants (flows): 19/19 constraints, State Equation: 107/107 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 337/337 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 337 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 2 (OVERLAPS) 5/107 variables, 5/19 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/107 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 4 (OVERLAPS) 153/260 variables, 107/126 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/260 variables, 6/132 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 337/469 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 337 unsolved
At refinement iteration 8 (OVERLAPS) 0/260 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 337 unsolved
No progress, stopping.
After SMT solving in domain Int declared 260/261 variables, and 469 constraints, problems are : Problem set: 0 solved, 337 unsolved in 12418 ms.
Refiners :[Generalized P Invariants (flows): 19/19 constraints, State Equation: 107/107 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 337/337 constraints, Known Traps: 0/0 constraints]
After SMT, in 20603ms problems are : Problem set: 0 solved, 337 unsolved
Search for dead transitions found 0 dead transitions in 20618ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 21133 ms. Remains : 107/107 places, 368/368 transitions.
Random walk for 1250000 steps, including 24511 resets, run took 2065 ms (no deadlock found). (steps per millisecond=605 )
Random directed walk for 1250006 steps, including 7488 resets, run took 2084 ms (no deadlock found). (steps per millisecond=599 )
[2024-05-31 18:21:07] [INFO ] Flow matrix only has 154 transitions (discarded 214 similar events)
[2024-05-31 18:21:07] [INFO ] Invariant cache hit.
[2024-05-31 18:21:07] [INFO ] [Real]Absence check using 0 positive and 19 generalized place invariants in 3 ms returned sat
[2024-05-31 18:21:07] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 18:21:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 18:21:07] [INFO ] [Nat]Absence check using 0 positive and 19 generalized place invariants in 3 ms returned sat
[2024-05-31 18:21:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 18:21:07] [INFO ] State equation strengthened by 6 read => feed constraints.
[2024-05-31 18:21:07] [INFO ] [Nat]Added 6 Read/Feed constraints in 7 ms returned sat
[2024-05-31 18:21:07] [INFO ] Computed and/alt/rep : 114/207/114 causal constraints (skipped 13 transitions) in 18 ms.
[2024-05-31 18:21:07] [INFO ] Added : 66 causal constraints over 14 iterations in 153 ms. Result :sat
Parikh directed walk for 6600 steps, including 144 resets, run took 20 ms. (steps per millisecond=330 )
Random directed walk for 500003 steps, including 3006 resets, run took 818 ms (no deadlock found). (steps per millisecond=611 )
Random walk for 500000 steps, including 9784 resets, run took 815 ms (no deadlock found). (steps per millisecond=613 )
Random directed walk for 500005 steps, including 3005 resets, run took 815 ms (no deadlock found). (steps per millisecond=613 )
Random walk for 500000 steps, including 9811 resets, run took 831 ms (no deadlock found). (steps per millisecond=601 )
[2024-05-31 18:21:11] [INFO ] Flatten gal took : 73 ms
[2024-05-31 18:21:11] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2024-05-31 18:21:11] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 180 places, 595 transitions and 3679 arcs took 7 ms.
Total runtime 38093 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : ReachabilityDeadlock

BK_STOP 1717179671600

--------------------
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 ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2024
property name is ReachabilityDeadlock
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="CloudDeployment-PT-5a"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is CloudDeployment-PT-5a, 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 r478-tall-171620516400366"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5a.tgz
mv CloudDeployment-PT-5a 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 ;